* [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop
@ 2025-06-21 15:44 syzbot
2025-07-12 0:18 ` syzbot
2025-07-28 21:30 ` syzbot
0 siblings, 2 replies; 5+ messages in thread
From: syzbot @ 2025-06-21 15:44 UTC (permalink / raw)
To: akpm, linux-kernel, linux-mm, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: 52da431bf03b Merge tag 'libnvdimm-fixes-6.16-rc3' of git:/..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15caf50c580000
kernel config: https://syzkaller.appspot.com/x/.config?x=6a237c32900fc479
dashboard link: https://syzkaller.appspot.com/bug?extid=2642f347f7309b4880dc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/97afcc470d39/disk-52da431b.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/dc0ebacae4ba/vmlinux-52da431b.xz
kernel image: https://storage.googleapis.com/syzbot-assets/85dd67feecea/bzImage-52da431b.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2642f347f7309b4880dc@syzkaller.appspotmail.com
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (0 ticks this GP) idle=1c34/1/0x4000000000000000 softirq=161556/161556 fqs=0
rcu: (detected by 0, t=10506 jiffies, g=161353, q=257 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 3068 Comm: syz.2.12969 Not tainted 6.16.0-rc2-syzkaller-00047-g52da431bf03b #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:89 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0xa5/0x2c0 mm/kasan/generic.c:189
Code: 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb 41 80 3b 00 0f 85 de 01 00 00 <49> ff c3 48 ff c3 75 ee e9 21 01 00 00 44 89 dd 83 e5 07 0f 84 b5
RSP: 0018:ffffc90000a08b70 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff819ed95d
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff99d17f20
RBP: ffffc90000a08c78 R08: ffffffff99d17f23 R09: 1ffffffff33a2fe4
R10: dffffc0000000000 R11: fffffbfff33a2fe4 R12: 0000000000000001
R13: ffff88805f06d5e8 R14: fffffbfff33a2fe5 R15: 1ffffffff33a2fe4
FS: 0000000000000000(0000) GS:ffff888125d85000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6119f32f98 CR3: 000000000df38000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
instrument_atomic_read include/linux/instrumented.h:68 [inline]
atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]
debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline]
do_raw_spin_unlock+0x4d/0x240 kernel/locking/spinlock_debug.c:141
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]
_raw_spin_unlock_irqrestore+0x78/0x110 kernel/locking/spinlock.c:194
debug_object_activate+0x2e2/0x420 lib/debugobjects.c:836
debug_hrtimer_activate kernel/time/hrtimer.c:445 [inline]
debug_activate kernel/time/hrtimer.c:484 [inline]
enqueue_hrtimer+0x30/0x3a0 kernel/time/hrtimer.c:1088
__run_hrtimer kernel/time/hrtimer.c:1778 [inline]
__hrtimer_run_queues+0x656/0xc60 kernel/time/hrtimer.c:1825
hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1887
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
__sysvec_apic_timer_interrupt+0x10b/0x410 arch/x86/kernel/apic/apic.c:1056
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1050
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x137/0x190 kernel/locking/lockdep.c:5948
Code: 01 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 89 73 3a 07 <48> 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc900047272d0 EFLAGS: 00000206
RAX: fafe2bb1bb0f2700 RBX: 0000000000000001 RCX: fafe2bb1bb0f2700
RDX: 0000000000000000 RSI: ffffffff8db5a486 RDI: ffffffff8be1b800
RBP: 00000000ffffffff R08: 0000000000000000 R09: ffffffff822cc8f7
R10: dffffc0000000000 R11: fffff940002e65a9 R12: 0000000000000246
R13: ffff888030045a00 R14: ffffffff8e13eda0 R15: 0000000000000001
lookup_page_ext mm/page_ext.c:254 [inline]
page_ext_lookup+0xe7/0x180 mm/page_ext.c:520
page_ext_iter_begin include/linux/page_ext.h:132 [inline]
page_table_check_clear+0x278/0x700 mm/page_table_check.c:78
ptep_get_and_clear_full arch/x86/include/asm/jump_label.h:-1 [inline]
get_and_clear_full_ptes include/linux/pgtable.h:714 [inline]
zap_present_folio_ptes mm/memory.c:1505 [inline]
zap_present_ptes mm/memory.c:1590 [inline]
do_zap_pte_range mm/memory.c:1691 [inline]
zap_pte_range mm/memory.c:1735 [inline]
zap_pmd_range mm/memory.c:1827 [inline]
zap_pud_range mm/memory.c:1856 [inline]
zap_p4d_range mm/memory.c:1877 [inline]
unmap_page_range+0x3249/0x41c0 mm/memory.c:1898
unmap_single_vma mm/memory.c:1941 [inline]
unmap_vmas+0x399/0x580 mm/memory.c:1985
exit_mmap+0x248/0xb50 mm/mmap.c:1284
__mmput+0x118/0x420 kernel/fork.c:1121
exit_mm+0x1da/0x2c0 kernel/exit.c:581
do_exit+0x640/0x22e0 kernel/exit.c:943
do_group_exit+0x21c/0x2d0 kernel/exit.c:1104
get_signal+0x125e/0x1310 kernel/signal.c:3034
arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111
exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f611918e929
Code: Unable to access opcode bytes at 0x7f611918e8ff.
RSP: 002b:00007f6119f330e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f61193b5fa8 RCX: 00007f611918e929
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f61193b5fa8
RBP: 00007f61193b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f61193b5fac
R13: 0000000000000000 R14: 00007fff0affa0b0 R15: 00007fff0affa198
</TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g161353 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=1 timer-softirq=69309
rcu: rcu_preempt kthread starved for 10506 jiffies! g161353 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:I stack:26888 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x16a2/0x4cb0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6878
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
---
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop
2025-06-21 15:44 [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop syzbot
@ 2025-07-12 0:18 ` syzbot
2025-07-28 21:30 ` syzbot
1 sibling, 0 replies; 5+ messages in thread
From: syzbot @ 2025-07-12 0:18 UTC (permalink / raw)
To: akpm, cgroups, hannes, linux-kernel, linux-mm, mhocko,
muchun.song, roman.gushchin, shakeel.butt, syzkaller-bugs
syzbot has found a reproducer for the following issue on:
HEAD commit: 40f92e79b0aa Merge tag 'block-6.16-20250710' of git://git...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=139f2d82580000
kernel config: https://syzkaller.appspot.com/x/.config?x=b309c907eaab29da
dashboard link: https://syzkaller.appspot.com/bug?extid=2642f347f7309b4880dc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=179f2d82580000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-40f92e79.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8022f6fa9a48/vmlinux-40f92e79.xz
kernel image: https://storage.googleapis.com/syzbot-assets/565fa9fa3299/bzImage-40f92e79.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2642f347f7309b4880dc@syzkaller.appspotmail.com
#5: ffffffff8e13f160 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#5: ffffffff8e13f160 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#5: ffffffff8e13f160 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6770
2 locks held by fido_id/5515:
=============================================
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-...!: (8 ticks this GP) idle=07d4/1/0x4000000000000000 softirq=37345/37345 fqs=0
rcu: (t=11778 jiffies g=24965 q=168 ncpus=1)
rcu: rcu_preempt kthread starved for 11778 jiffies! g24965 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:28200 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
CPU: 0 UID: 0 PID: 5507 Comm: syz.0.16 Not tainted 6.16.0-rc5-syzkaller-00193-g40f92e79b0aa #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110 kernel/locking/spinlock.c:194
Code: 74 05 e8 3b 0d 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 03 2e 1f f6 65 8b 05 ac 9a 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc90000007b00 EFLAGS: 00000206
RAX: fdeecc9c1cd86500 RBX: 0000000000000a02 RCX: fdeecc9c1cd86500
RDX: 0000000000000002 RSI: ffffffff8d998a4b RDI: 0000000000000001
RBP: ffffc90000007b90 R08: ffffffff8fa1f3f7 R09: 1ffffffff1f43e7e
R10: dffffc0000000000 R11: fffffbfff1f43e7f R12: dffffc0000000000
R13: ffff8880596dc110 R14: ffff8880596dc218 R15: 1ffff92000000f60
FS: 0000000000000000(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005626cd793a30 CR3: 000000000df38000 CR4: 0000000000352ef0
Call Trace:
<IRQ>
call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747
expire_timers kernel/time/timer.c:1798 [inline]
__run_timers kernel/time/timer.c:2372 [inline]
__run_timer_base+0x61a/0x860 kernel/time/timer.c:2384
run_timer_base kernel/time/timer.c:2393 [inline]
run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403
handle_softirqs+0x286/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__memcg_slab_free_hook+0x292/0x3d0 mm/memcontrol.c:3214
Code: 00 44 89 e1 d3 eb 4d 89 ef 4c 8b 6c 24 28 4c 8d 24 dd 00 00 00 00 4d 01 ec 4c 89 e3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 e7 e8 20 ed f7 ff 49 8b 2c 24 48 85 ed 0f
RSP: 0018:ffffc90002a3f518 EFLAGS: 00010a02
RAX: dffffc0000000000 RBX: 1ffff11009b39429 RCX: 0000000000000008
RDX: 00000000fffffee8 RSI: ffffea00010d1e40 RDI: ffffc90002a3f5b8
RBP: 0000000000000801 R08: ffff88804d9ca100 R09: 1ffff110086b40ab
R10: dffffc0000000000 R11: ffffed10086b40ac R12: ffff88804d9ca148
R13: ffff88804d9ca100 R14: 0000000000000000 R15: ffffea00010d1e40
memcg_slab_free_hook mm/slub.c:2206 [inline]
slab_free mm/slub.c:4640 [inline]
kmem_cache_free+0x223/0x400 mm/slub.c:4745
anon_vma_free mm/rmap.c:137 [inline]
__put_anon_vma+0x12b/0x2d0 mm/rmap.c:2756
put_anon_vma include/linux/rmap.h:117 [inline]
unlink_anon_vmas+0x503/0x670 mm/rmap.c:444
free_pgtables+0x7bf/0xaf0 mm/memory.c:402
exit_mmap+0x444/0xb50 mm/mmap.c:1295
__mmput+0x118/0x420 kernel/fork.c:1121
exit_mm+0x1da/0x2c0 kernel/exit.c:581
do_exit+0x648/0x22e0 kernel/exit.c:952
do_group_exit+0x21c/0x2d0 kernel/exit.c:1105
get_signal+0x1286/0x1340 kernel/signal.c:3034
arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111
exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f506cd8e52b
Code: Unable to access opcode bytes at 0x7f506cd8e501.
RSP: 002b:00007fff239d9450 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 00000000ffffff75 RCX: 00007f506cd8e52b
RDX: 00007fff239d94d0 RSI: 0000000040085507 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00007f506d0e0320 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00002000000002c0
R13: 0000000000000000 R14: 00007f506cfb5fa0 R15: 0000000000000004
</TASK>
task:init state:S stack:18776 pid:1 tgid:1 ppid:0 task_flags:0x400100 flags:0x00004002
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
schedule_hrtimeout_range_clock+0x1c5/0x2f0 kernel/time/sleep_timeout.c:207
do_sigtimedwait+0x386/0x680 kernel/signal.c:3782
__do_sys_rt_sigtimedwait kernel/signal.c:3826 [inline]
__se_sys_rt_sigtimedwait+0x1cd/0x2b0 kernel/signal.c:3804
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd0ae646407
RSP: 002b:00007ffc586c2070 EFLAGS: 00000202 ORIG_RAX: 0000000000000080
RAX: ffffffffffffffda RBX: 00007fd0ae4f6c80 RCX: 00007fd0ae646407
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fd0ae860498
RBP: 00007fd0ae860490 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000202 R12: 00007fd0ae860490
R13: 00007ffc586c20ec R14: 00007fd0ae8a0000 R15: 0000559f223e1d98
</TASK>
task:kthreadd state:S stack:25752 pid:2 tgid:2 ppid:0 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
kthreadd+0x3e3/0x770 kernel/kthread.c:835
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:pool_workqueue_ state:S stack:28552 pid:3 tgid:3 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
kthread_worker_fn+0x4c2/0xb60 kernel/kthread.c:1017
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-rcu_g state:I stack:30152 pid:4 tgid:4 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-sync_ state:I stack:30248 pid:5 tgid:5 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-kvfre state:I stack:30248 pid:6 tgid:6 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-slub_ state:I stack:30248 pid:7 tgid:7 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-netns state:I stack:30328 pid:8 tgid:8 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/0:0 state:R running task stack:19848 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/0:1 state:I stack:25032 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (wg-crypt-wg2)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/0:0H state:I stack:27880 pid:11 tgid:11 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_highpri)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/u4:0 state:I stack:23016 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/u4:1 state:I stack:22472 pid:13 tgid:13 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-mm_pe state:I stack:30248 pid:14 tgid:14 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:ksoftirqd/0 state:R running task stack:21512 pid:15 tgid:15 ppid:2 task_flags:0x4208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
smpboot_thread_fn+0x5bd/0xa60 kernel/smpboot.c:160
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:rcu_preempt state:R running task stack:28200 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:rcu_exp_par_gp_ state:S stack:30312 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
kthread_worker_fn+0x4c2/0xb60 kernel/kthread.c:1017
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:rcu_exp_gp_kthr state:S stack:29000 pid:18 tgid:18 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
kthread_worker_fn+0x4c2/0xb60 kernel/kthread.c:1017
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:migration/0 state:R running task stack:29952 pid:19 tgid:19 ppid:2 task_flags:0x4208040 flags:0x00004000
Stopper: 0x0 <- 0x0
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
smpboot_thread_fn+0x5bd/0xa60 kernel/smpboot.c:160
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:cpuhp/0 state:S stack:25336 pid:20 tgid:20 ppid:2 task_flags:0x4208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
smpboot_thread_fn+0x5bd/0xa60 kernel/smpboot.c:160
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kdevtmpfs state:S stack:25416 pid:21 tgid:21 ppid:2 task_flags:0x208140 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
devtmpfs_work_loop+0xce2/0xd20 drivers/base/devtmpfs.c:413
devtmpfsd+0x4d/0x50 drivers/base/devtmpfs.c:446
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-inet_ state:I stack:30248 pid:22 tgid:22 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:rcu_tasks_kthre state:I stack:28168 pid:23 tgid:23 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rcu_tasks_one_gp+0x877/0xdf0 kernel/rcu/tasks.h:611
rcu_tasks_kthread+0x195/0x1c0 kernel/rcu/tasks.h:658
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:rcu_tasks_trace state:I stack:28584 pid:24 tgid:24 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rcu_tasks_one_gp+0x877/0xdf0 kernel/rcu/tasks.h:611
rcu_tasks_kthread+0x195/0x1c0 kernel/rcu/tasks.h:658
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kauditd state:S stack:28776 pid:25 tgid:25 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
kauditd_thread+0x894/0x9a0 kernel/audit.c:911
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:khungtaskd state:R running task stack:29496 pid:26 tgid:26 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
watchdog+0x90/0x1030 kernel/hung_task.c:474
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:oom_reaper state:S stack:30184 pid:27 tgid:27 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
oom_reaper+0x112/0xae0 mm/oom_kill.c:650
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-write state:I stack:30248 pid:28 tgid:28 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kcompactd0 state:R running task stack:25480 pid:29 tgid:29 ppid:2 task_flags:0x210040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
kcompactd+0x406/0x1290 mm/compaction.c:3223
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kcompactd1 state:R running task stack:25088 pid:30 tgid:30 ppid:2 task_flags:0x210040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
kcompactd+0x406/0x1290 mm/compaction.c:3223
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/u4:2 state:R running task stack:23512 pid:31 tgid:31 ppid:2 task_flags:0x4208160 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:ksmd state:S stack:29800 pid:32 tgid:32 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
ksm_scan_thread+0x38e/0x4b0 mm/ksm.c:2692
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:khugepaged state:S stack:29384 pid:33 tgid:33 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
khugepaged_wait_work mm/khugepaged.c:2586 [inline]
khugepaged+0x13b3/0x1690 mm/khugepaged.c:2598
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-kbloc state:I stack:30248 pid:34 tgid:34 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-blkcg state:I stack:30248 pid:35 tgid:35 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-kinte state:I stack:30248 pid:36 tgid:36 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:irq/9-acpi state:S stack:30152 pid:37 tgid:37 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
irq_wait_for_interrupt kernel/irq/manage.c:1065 [inline]
irq_thread+0x482/0x670 kernel/irq/manage.c:1253
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-tpm_d state:I stack:30248 pid:38 tgid:38 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-ata_s state:I stack:30248 pid:39 tgid:39 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-md state:I stack:30248 pid:40 tgid:40 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-md_bi state:I stack:30248 pid:41 tgid:41 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-edac- state:I stack:30248 pid:42 tgid:42 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/u4:3 state:I stack:21720 pid:43 tgid:43 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-ib-co state:I stack:30248 pid:44 tgid:44 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/u5:0 state:I stack:25400 pid:45 tgid:45 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (hci0)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-ib-co state:I stack:30248 pid:46 tgid:46 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-ib_mc state:I stack:30248 pid:47 tgid:47 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-ib_nl state:I stack:30248 pid:48 tgid:48 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/0:1H state:I stack:24056 pid:49 tgid:49 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (kblockd)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-rpcio state:I stack:30248 pid:50 tgid:50 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-xprti state:I stack:30248 pid:51 tgid:51 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-cfg80 state:I stack:30248 pid:52 tgid:52 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/u4:4 state:I stack:23272 pid:54 tgid:54 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (events_unbound)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/0:2 state:I stack:23912 pid:55 tgid:55 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: 0x0 (wg-crypt-wg2)
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
worker_thread+0xa82/0xda0 kernel/workqueue.c:3417
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kswapd0 state:S stack:27544 pid:78 tgid:78 ppid:2 task_flags:0x220840 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
kswapd_try_to_sleep mm/vmscan.c:7271 [inline]
kswapd+0x6ea/0x2830 mm/vmscan.c:7329
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kswapd1 state:S stack:23512 pid:79 tgid:79 ppid:2 task_flags:0x220840 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
kswapd_try_to_sleep mm/vmscan.c:7271 [inline]
kswapd+0x6ea/0x2830 mm/vmscan.c:7329
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:ecryptfs-kthrea state:S stack:30280 pid:84 tgid:84 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
ecryptfs_threadfn+0x14e/0x3c0 fs/ecryptfs/kthread.c:48
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nfsio state:I stack:30248 pid:87 tgid:87 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-cifsi state:I stack:30248 pid:88 tgid:88 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-smb3d state:I stack:30248 pid:89 tgid:89 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-cifsf state:I stack:30248 pid:90 tgid:90 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-cifso state:I stack:30248 pid:91 tgid:91 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-defer state:I stack:30248 pid:92 tgid:92 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-serve state:I stack:30248 pid:93 tgid:93 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-cfid_ state:I stack:30248 pid:94 tgid:94 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-cifs- state:I stack:30248 pid:95 tgid:95 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:jfsIO state:S stack:30440 pid:102 tgid:102 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
jfsIOWait+0x10a/0x270 fs/jfs/jfs_logmgr.c:2331
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:jfsCommit state:S stack:30152 pid:103 tgid:103 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
jfs_lazycommit+0x852/0xa90 fs/jfs/jfs_txnmgr.c:2761
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:jfsSync state:S stack:30344 pid:104 tgid:104 ppid:2 task_flags:0x200040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
jfs_sync+0x4b4/0x650 fs/jfs/jfs_txnmgr.c:2948
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-xfsal state:I stack:30248 pid:105 tgid:105 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-xfs_m state:I stack:30248 pid:106 tgid:106 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-user_ state:I stack:30248 pid:108 tgid:108 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-gfs2_ state:I stack:30248 pid:110 tgid:110 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-pencr state:I stack:30248 pid:113 tgid:113 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-pdecr state:I stack:30248 pid:115 tgid:115 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-crypt state:I stack:30248 pid:117 tgid:117 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-kthro state:I stack:30248 pid:119 tgid:119 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:irq/26-aerdrv state:S stack:30152 pid:138 tgid:138 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
irq_wait_for_interrupt kernel/irq/manage.c:1065 [inline]
irq_thread+0x482/0x670 kernel/irq/manage.c:1253
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-acpi_ state:I stack:30248 pid:157 tgid:157 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nfit state:I stack:30248 pid:162 tgid:162 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:hwrng state:R running task stack:29336 pid:756 tgid:756 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
hwrng_fillfn+0x2f0/0x400 drivers/char/hw_random/core.c:515
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:card1-crtc0 state:S stack:30392 pid:778 tgid:778 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
kthread_worker_fn+0x4c2/0xb60 kernel/kthread.c:1017
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd0- state:I stack:30248 pid:840 tgid:840 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd1- state:I stack:30248 pid:843 tgid:843 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd2- state:I stack:30248 pid:844 tgid:844 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd3- state:I stack:30248 pid:849 tgid:849 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd4- state:I stack:30248 pid:852 tgid:852 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd5- state:I stack:30248 pid:855 tgid:855 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd6- state:I stack:30248 pid:858 tgid:858 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd7- state:I stack:30248 pid:861 tgid:861 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd8- state:I stack:30248 pid:864 tgid:864 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd9- state:I stack:30248 pid:867 tgid:867 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd10 state:I stack:30248 pid:870 tgid:870 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd11 state:I stack:30248 pid:873 tgid:873 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd12 state:I stack:30248 pid:876 tgid:876 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd13 state:I stack:30248 pid:879 tgid:879 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd14 state:I stack:30248 pid:882 tgid:882 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nbd15 state:I stack:30248 pid:885 tgid:885 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-iscsi state:I stack:30248 pid:945 tgid:945 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nvme- state:I stack:30248 pid:962 tgid:962 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nvme- state:I stack:30248 pid:965 tgid:965 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nvme- state:I stack:30248 pid:967 tgid:967 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nvme_ state:I stack:30248 pid:978 tgid:978 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nvmet state:I stack:30248 pid:980 tgid:980 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nvmet state:I stack:30248 pid:981 tgid:981 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
task:kworker/R-nvmet state:I stack:29912 pid:982 tgid:982 ppid:2 task_flags:0x4208060 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5401 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6790
__schedule_loop kernel/sched/core.c:6868 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6883
rescuer_thread+0xc69/0xdd0 kernel/workqueue.c:3552
kthread+0x70e/0x8a0 kernel/kthread.c:46
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop
2025-06-21 15:44 [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop syzbot
2025-07-12 0:18 ` syzbot
@ 2025-07-28 21:30 ` syzbot
2025-07-29 1:06 ` Hillf Danton
1 sibling, 1 reply; 5+ messages in thread
From: syzbot @ 2025-07-28 21:30 UTC (permalink / raw)
To: akpm, cgroups, hannes, jackmanb, linux-kernel, linux-mm, mhocko,
mhocko, muchun.song, netdev, roman.gushchin, shakeel.butt, surenb,
syzkaller-bugs, vbabka, ziy
syzbot has found a reproducer for the following issue on:
HEAD commit: afd8c2c9e2e2 Merge branch 'ipv6-f6i-fib6_siblings-and-rt-f..
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=13c71034580000
kernel config: https://syzkaller.appspot.com/x/.config?x=a4bcc0a11b3192be
dashboard link: https://syzkaller.appspot.com/bug?extid=2642f347f7309b4880dc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17b284a2580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17c71034580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/6f29edec8e85/disk-afd8c2c9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8490ef85f5cd/vmlinux-afd8c2c9.xz
kernel image: https://storage.googleapis.com/syzbot-assets/1357e17669cb/bzImage-afd8c2c9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2642f347f7309b4880dc@syzkaller.appspotmail.com
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (3 ticks this GP) idle=8da4/1/0x4000000000000000 softirq=18768/18768 fqs=0
rcu: (detected by 1, t=10502 jiffies, g=13833, q=887 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5983 Comm: syz-executor Not tainted 6.16.0-rc7-syzkaller-00100-gafd8c2c9e2e2 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__lock_acquire+0x316/0xd20 kernel/locking/lockdep.c:5188
Code: 8b 54 24 0c 83 e2 01 c1 e2 12 44 09 e2 41 c1 e6 14 41 09 d6 8b 54 24 10 c1 e2 13 c1 e5 15 09 d5 09 cd 44 09 f5 41 89 6c c7 20 <45> 89 44 c7 24 4c 89 7c 24 10 4d 8d 34 c7 81 e5 ff 1f 00 00 48 0f
RSP: 0018:ffffc90000007b40 EFLAGS: 00000002
RAX: 000000000000000a RBX: ffffffff8e13f0e0 RCX: 0000000000000007
RDX: 0000000000080000 RSI: 0000000000004000 RDI: ffff88802c368000
RBP: 00000000000a4007 R08: 0000000000000000 R09: ffffffff898d70e8
R10: dffffc0000000000 R11: ffffed100fc2785e R12: 0000000000024000
R13: 0000000000000000 R14: 0000000000024000 R15: ffff88802c368af0
FS: 0000000000000000(0000) GS:ffff888125c23000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556e2015c8 CR3: 000000000df38000 CR4: 00000000003526f0
Call Trace:
<IRQ>
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5871
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
advance_sched+0xa14/0xc90 net/sched/sch_taprio.c:985
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1825
hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1887
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
__sysvec_apic_timer_interrupt+0x108/0x410 arch/x86/kernel/apic/apic.c:1056
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1050
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:debug_lockdep_rcu_enabled+0xf/0x40 kernel/rcu/update.c:320
Code: cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 83 3d 17 30 34 04 00 74 1e <83> 3d 3a 60 34 04 00 74 15 65 48 8b 0c 25 08 d0 9f 92 31 c0 83 b9
RSP: 0018:ffffc90003f0ef70 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffffff90d8d001 RCX: ffffc90003f0ff60
RDX: ffffc90003f0f001 RSI: dffffc0000000000 RDI: ffffc90003f0f050
RBP: dffffc0000000000 R08: ffffc90003f0ff48 R09: 0000000000000000
R10: ffffc90003f0f098 R11: fffff520007e1e15 R12: ffffc90003f0ff58
R13: ffffc90003f08000 R14: ffffc90003f0f048 R15: ffffffff8172aae5
rcu_read_unlock include/linux/rcupdate.h:869 [inline]
class_rcu_destructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0x195c/0x2390 arch/x86/kernel/unwind_orc.c:680
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
save_stack+0xf5/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1248 [inline]
free_unref_folios+0xc66/0x14d0 mm/page_alloc.c:2763
folios_put_refs+0x559/0x640 mm/swap.c:992
free_pages_and_swap_cache+0x277/0x520 mm/swap_state.c:264
__tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:397 [inline]
tlb_flush_mmu+0x3a0/0x680 mm/mmu_gather.c:404
tlb_finish_mmu+0xc3/0x1d0 mm/mmu_gather.c:497
exit_mmap+0x44c/0xb50 mm/mmap.c:1297
__mmput+0x118/0x420 kernel/fork.c:1121
exit_mm+0x1da/0x2c0 kernel/exit.c:581
do_exit+0x648/0x22e0 kernel/exit.c:952
do_group_exit+0x21c/0x2d0 kernel/exit.c:1105
get_signal+0x1286/0x1340 kernel/signal.c:3034
arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111
exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f730c585213
Code: Unable to access opcode bytes at 0x7f730c5851e9.
RSP: 002b:00007ffe0103af48 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: fffffffffffffffc RBX: 0000000000000000 RCX: 00007f730c585213
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055556e1e67d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 000000000003604b R15: 00007ffe0103b0e0
</TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g13833 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=10563
rcu: rcu_preempt kthread starved for 10502 jiffies! g13833 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:I stack:26792 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16fd/0x4cf0 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop
2025-07-28 21:30 ` syzbot
@ 2025-07-29 1:06 ` Hillf Danton
2025-07-29 4:47 ` syzbot
0 siblings, 1 reply; 5+ messages in thread
From: Hillf Danton @ 2025-07-29 1:06 UTC (permalink / raw)
To: syzbot; +Cc: linux-kernel, syzkaller-bugs
> Date: Mon, 28 Jul 2025 14:30:28 -0700 [thread overview]
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: afd8c2c9e2e2 Merge branch 'ipv6-f6i-fib6_siblings-and-rt-f..
> git tree: net
> console output: https://syzkaller.appspot.com/x/log.txt?x=13c71034580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=a4bcc0a11b3192be
> dashboard link: https://syzkaller.appspot.com/bug?extid=2642f347f7309b4880dc
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17b284a2580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17c71034580000
#syz test upstream master
--- x/net/sched/sch_taprio.c
+++ y/net/sched/sch_taprio.c
@@ -918,7 +918,7 @@ static enum hrtimer_restart advance_sche
int num_tc = netdev_get_num_tc(dev);
struct sched_entry *entry, *next;
struct Qdisc *sch = q->root;
- ktime_t end_time;
+ ktime_t end_time, now;
int tc;
spin_lock(&q->current_entry_lock);
@@ -980,6 +980,11 @@ first_run:
rcu_assign_pointer(q->current_entry, next);
spin_unlock(&q->current_entry_lock);
+ now = timer->base->get_time();
+ now = ktime_add_us(now, 2);
+ /* is end_time sane? */
+ if (ktime_after(now, end_time))
+ end_time = now;
hrtimer_set_expires(&q->advance_timer, end_time);
rcu_read_lock();
--
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop
2025-07-29 1:06 ` Hillf Danton
@ 2025-07-29 4:47 ` syzbot
0 siblings, 0 replies; 5+ messages in thread
From: syzbot @ 2025-07-29 4:47 UTC (permalink / raw)
To: hdanton, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+2642f347f7309b4880dc@syzkaller.appspotmail.com
Tested-by: syzbot+2642f347f7309b4880dc@syzkaller.appspotmail.com
Tested on:
commit: ae388edd Merge tag 'landlock-6.17-rc1' of git://git.ke..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=13dd1782580000
kernel config: https://syzkaller.appspot.com/x/.config?x=97ec33249d4bfda3
dashboard link: https://syzkaller.appspot.com/bug?extid=2642f347f7309b4880dc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
patch: https://syzkaller.appspot.com/x/patch.diff?x=133e94a2580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2025-07-29 4:47 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2025-06-21 15:44 [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop syzbot
2025-07-12 0:18 ` syzbot
2025-07-28 21:30 ` syzbot
2025-07-29 1:06 ` Hillf Danton
2025-07-29 4:47 ` syzbot
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