From: syzbot <syzbot+1068f09c44d151250c33@syzkaller.appspotmail.com>
To: acme@kernel.org, alexander.shishkin@linux.intel.com,
jolsa@redhat.com, linux-kernel@vger.kernel.org, mingo@redhat.com,
namhyung@kernel.org, peterz@infradead.org,
syzkaller-bugs@googlegroups.com
Subject: possible deadlock in uprobe_clear_state
Date: Wed, 12 Dec 2018 03:11:05 -0800 [thread overview]
Message-ID: <00000000000010a9fb057cd14174@google.com> (raw)
Hello,
syzbot found the following crash on:
HEAD commit: f5d582777bcb Merge branch 'for-linus' of git://git.kernel...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16e6b2fb400000
kernel config: https://syzkaller.appspot.com/x/.config?x=c8970c89a0efbb23
dashboard link: https://syzkaller.appspot.com/bug?extid=1068f09c44d151250c33
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+1068f09c44d151250c33@syzkaller.appspotmail.com
======================================================
WARNING: possible circular locking dependency detected
4.20.0-rc6+ #150 Not tainted
------------------------------------------------------
khugepaged/1025 is trying to acquire lock:
000000006e466c89 (delayed_uprobe_lock){+.+.}, at:
uprobe_clear_state+0xb4/0x390 kernel/events/uprobes.c:1511
but task is already holding lock:
000000006b315a29 (fs_reclaim){+.+.}, at:
fs_reclaim_acquire.part.97+0x0/0x30 mm/internal.h:79
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (fs_reclaim){+.+.}:
__fs_reclaim_acquire mm/page_alloc.c:3730 [inline]
fs_reclaim_acquire.part.97+0x24/0x30 mm/page_alloc.c:3741
fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3742
slab_pre_alloc_hook mm/slab.h:418 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc_trace+0x2d/0x750 mm/slab.c:3618
kmalloc include/linux/slab.h:546 [inline]
kzalloc include/linux/slab.h:741 [inline]
delayed_uprobe_add kernel/events/uprobes.c:313 [inline]
update_ref_ctr+0x36f/0x590 kernel/events/uprobes.c:447
uprobe_write_opcode+0x94b/0xc50 kernel/events/uprobes.c:496
set_swbp+0x2a/0x40
install_breakpoint.isra.24+0x161/0x840 kernel/events/uprobes.c:885
register_for_each_vma+0xa38/0xee0 kernel/events/uprobes.c:1041
uprobe_apply+0xee/0x140 kernel/events/uprobes.c:1192
uprobe_perf_open kernel/trace/trace_uprobe.c:1087 [inline]
trace_uprobe_register+0x771/0xcf0 kernel/trace/trace_uprobe.c:1227
perf_trace_event_open kernel/trace/trace_event_perf.c:181 [inline]
perf_trace_event_init+0x1a5/0x990 kernel/trace/trace_event_perf.c:203
perf_uprobe_init+0x1f1/0x280 kernel/trace/trace_event_perf.c:329
perf_uprobe_event_init+0x106/0x1a0 kernel/events/core.c:8503
perf_try_init_event+0x137/0x2f0 kernel/events/core.c:9770
perf_init_event kernel/events/core.c:9801 [inline]
perf_event_alloc.part.94+0x1d54/0x3740 kernel/events/core.c:10074
perf_event_alloc kernel/events/core.c:10430 [inline]
__do_sys_perf_event_open+0xada/0x3020 kernel/events/core.c:10531
__se_sys_perf_event_open kernel/events/core.c:10420 [inline]
__x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10420
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
-> #0 (delayed_uprobe_lock){+.+.}:
lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844
__mutex_lock_common kernel/locking/mutex.c:925 [inline]
__mutex_lock+0x166/0x16f0 kernel/locking/mutex.c:1072
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
uprobe_clear_state+0xb4/0x390 kernel/events/uprobes.c:1511
__mmput kernel/fork.c:1041 [inline]
mmput+0x1bc/0x610 kernel/fork.c:1066
binder_alloc_free_page+0x5ab/0x1520
drivers/android/binder_alloc.c:983
__list_lru_walk_one+0x29d/0x8c0 mm/list_lru.c:234
list_lru_walk_one+0xa5/0xe0 mm/list_lru.c:278
list_lru_walk_node+0x43/0x280 mm/list_lru.c:307
list_lru_walk include/linux/list_lru.h:214 [inline]
binder_shrink_scan+0x164/0x220 drivers/android/binder_alloc.c:1019
do_shrink_slab+0x501/0xd30 mm/vmscan.c:557
shrink_slab+0x389/0x8c0 mm/vmscan.c:706
shrink_node+0x431/0x16b0 mm/vmscan.c:2758
shrink_zones mm/vmscan.c:2987 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3049
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3264
__perform_reclaim mm/page_alloc.c:3773 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
__alloc_pages_slowpath+0xa48/0x2de0 mm/page_alloc.c:4185
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
khugepaged_alloc_page+0x95/0x190 mm/khugepaged.c:773
collapse_huge_page mm/khugepaged.c:963 [inline]
khugepaged_scan_pmd+0x1715/0x3d60 mm/khugepaged.c:1216
khugepaged_scan_mm_slot mm/khugepaged.c:1725 [inline]
khugepaged_do_scan mm/khugepaged.c:1806 [inline]
khugepaged+0xf20/0x1750 mm/khugepaged.c:1851
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(fs_reclaim);
lock(delayed_uprobe_lock);
lock(fs_reclaim);
lock(delayed_uprobe_lock);
*** DEADLOCK ***
3 locks held by khugepaged/1025:
#0: 000000006b315a29 (fs_reclaim){+.+.}, at:
fs_reclaim_acquire.part.97+0x0/0x30 mm/internal.h:79
#1: 0000000086326917 (shrinker_rwsem){++++}, at: shrink_slab+0x207/0x8c0
mm/vmscan.c:696
#2: 000000000790c708 (&alloc->mutex){+.+.}, at:
binder_alloc_free_page+0x12f/0x1520 drivers/android/binder_alloc.c:953
stack backtrace:
CPU: 0 PID: 1025 Comm: khugepaged Not tainted 4.20.0-rc6+ #150
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x244/0x39d lib/dump_stack.c:113
print_circular_bug.isra.35.cold.54+0x1bd/0x27d
kernel/locking/lockdep.c:1221
check_prev_add kernel/locking/lockdep.c:1863 [inline]
check_prevs_add kernel/locking/lockdep.c:1976 [inline]
validate_chain kernel/locking/lockdep.c:2347 [inline]
__lock_acquire+0x3399/0x4c20 kernel/locking/lockdep.c:3341
lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844
__mutex_lock_common kernel/locking/mutex.c:925 [inline]
__mutex_lock+0x166/0x16f0 kernel/locking/mutex.c:1072
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
uprobe_clear_state+0xb4/0x390 kernel/events/uprobes.c:1511
__mmput kernel/fork.c:1041 [inline]
mmput+0x1bc/0x610 kernel/fork.c:1066
binder_alloc_free_page+0x5ab/0x1520 drivers/android/binder_alloc.c:983
__list_lru_walk_one+0x29d/0x8c0 mm/list_lru.c:234
list_lru_walk_one+0xa5/0xe0 mm/list_lru.c:278
list_lru_walk_node+0x43/0x280 mm/list_lru.c:307
list_lru_walk include/linux/list_lru.h:214 [inline]
binder_shrink_scan+0x164/0x220 drivers/android/binder_alloc.c:1019
do_shrink_slab+0x501/0xd30 mm/vmscan.c:557
shrink_slab+0x389/0x8c0 mm/vmscan.c:706
shrink_node+0x431/0x16b0 mm/vmscan.c:2758
shrink_zones mm/vmscan.c:2987 [inline]
do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3049
try_to_free_pages+0x4d0/0xb90 mm/vmscan.c:3264
__perform_reclaim mm/page_alloc.c:3773 [inline]
__alloc_pages_direct_reclaim mm/page_alloc.c:3795 [inline]
__alloc_pages_slowpath+0xa48/0x2de0 mm/page_alloc.c:4185
__alloc_pages_nodemask+0xad8/0xea0 mm/page_alloc.c:4393
__alloc_pages include/linux/gfp.h:473 [inline]
__alloc_pages_node include/linux/gfp.h:486 [inline]
khugepaged_alloc_page+0x95/0x190 mm/khugepaged.c:773
collapse_huge_page mm/khugepaged.c:963 [inline]
khugepaged_scan_pmd+0x1715/0x3d60 mm/khugepaged.c:1216
khugepaged_scan_mm_slot mm/khugepaged.c:1725 [inline]
khugepaged_do_scan mm/khugepaged.c:1806 [inline]
khugepaged+0xf20/0x1750 mm/khugepaged.c:1851
kthread+0x35a/0x440 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
netlink: 48 bytes leftover after parsing attributes in process
`syz-executor1'.
binder: 15394:15401 got transaction with invalid fd, -1
binder_transaction: 14 callbacks suppressed
binder: 15394:15401 transaction failed 29201/-9, size 24-8 line 3077
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
netlink: 48 bytes leftover after parsing attributes in process
`syz-executor1'.
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: send failed reply for transaction 4652 to 15394:15401
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15394:15401 ioctl c0306201 20000380 returned -14
binder: 15407:15408 ioctl 40046207 0 returned -16
binder_alloc: binder_alloc_mmap_handler: 15394 20001000-20004000 already
mapped failed -16
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15407:15414 got reply transaction with no transaction stack
binder: 15394:15401 ioctl 40046207 0 returned -16
binder: 15407:15414 transaction failed 29201/-71, size 24-4 line 2741
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
binder_alloc: 15394: binder_alloc_buf, no vma
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: 15394:15418 transaction failed 29189/-3, size 0-0 line 2973
binder_release_work: 24 callbacks suppressed
binder: undelivered TRANSACTION_ERROR: 29190
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29201
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15428:15430 got transaction with invalid fd, -1
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: 15428:15430 transaction failed 29201/-9, size 24-8 line 3077
binder: send failed reply for transaction 4657 to 15428:15430
binder: 15428:15430 ioctl c0306201 20000380 returned -14
binder_alloc: binder_alloc_mmap_handler: 15428 20001000-20004000 already
mapped failed -16
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder_alloc: 15428: binder_alloc_buf, no vma
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15428:15430 ioctl 40046207 0 returned -16
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15428:15435 transaction failed 29189/-3, size 0-0 line 2973
binder: undelivered TRANSACTION_ERROR: 29190
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29201
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29201
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: 15449:15452 got transaction with invalid fd, -1
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
binder: 15449:15452 transaction failed 29201/-9, size 24-8 line 3077
binder_alloc: binder_alloc_mmap_handler: 15407 20001000-20004000 already
mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15407:15457 ioctl 40046207 0 returned -16
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
binder: undelivered TRANSACTION_ERROR: 29201
binder: send failed reply for transaction 4661 to 15449:15452
binder: 15449:15452 ioctl c0306201 20000380 returned -14
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: binder_alloc_mmap_handler: 15449 20001000-20004000 already
mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15463:15466 ioctl 40046207 0 returned -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15449:15452 ioctl 40046207 0 returned -16
binder_alloc: 15449: binder_alloc_buf, no vma
binder: 15449:15467 transaction failed 29189/-3, size 0-0 line 2973
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29201
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: 15463:15469 got reply transaction with no transaction stack
binder: 15463:15469 transaction failed 29201/-71, size 24-4 line 2741
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: undelivered TRANSACTION_ERROR: 29190
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15478:15484 got transaction with invalid fd, -1
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: 15478:15484 transaction failed 29201/-9, size 24-8 line 3077
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: send failed reply for transaction 4666 to 15478:15484
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: 15478:15484 ioctl c0306201 20000380 returned -14
binder: BINDER_SET_CONTEXT_MGR already set
binder_alloc: 15478: binder_alloc_buf, no vma
binder: 15478:15484 ioctl 40046207 0 returned -16
binder: 15478:15492 transaction failed 29189/-3, size 0-0 line 2973
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
binder: 15497:15499 got transaction with invalid fd, -1
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
binder: send failed reply for transaction 4670 to 15497:15499
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15497:15499 ioctl c0306201 20000380 returned -14
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: 15497: binder_alloc_buf, no vma
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15463:15469 ioctl 40046207 0 returned -16
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
binder: 15497:15499 ioctl 40046207 0 returned -16
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: 15463:15469 got reply transaction with no transaction stack
binder: 15497:15506 got reply transaction with no transaction stack
binder: undelivered TRANSACTION_COMPLETE
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15497:15506 ioctl c0306201 20000380 returned -14
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
binder: 15518:15521 got reply transaction with no transaction stack
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15528:15530 ioctl 40046207 0 returned -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15528:15535 got reply transaction with no transaction stack
binder: release 15518:15519 transaction 4677 in, still active
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: 15518:15519 ioctl 40046207 0 returned -16
binder: 15528:15535 ioctl c0306201 20000380 returned -14
binder: send failed reply for transaction 4677 to 15528:15535
binder_alloc: 15528: binder_alloc_buf, no vma
binder: undelivered TRANSACTION_COMPLETE
binder: 15528:15530 ioctl c0306201 20000380 returned -14
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
binder_transaction: 1 callbacks suppressed
binder: 15546:15555 got reply transaction with no transaction stack
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15557:15560 ioctl 40046207 0 returned -16
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder_alloc_mmap_handler: 5 callbacks suppressed
binder_alloc: binder_alloc_mmap_handler: 15546 20001000-20004000 already
mapped failed -16
binder: 15557:15564 got reply transaction with no transaction stack
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15557:15564 ioctl c0306201 20000380 returned -14
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15546:15552 ioctl 40046207 0 returned -16
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: 15546:15552 got reply transaction with no transaction stack
binder: release 15546:15552 transaction 4684 in, still active
binder: send failed reply for transaction 4684 to 15557:15560
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
binder: 15579:15588 got reply transaction with no transaction stack
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: binder_alloc_mmap_handler: 15557 20001000-20004000 already
mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15557:15564 ioctl 40046207 0 returned -16
binder_alloc: binder_alloc_mmap_handler: 15579 20001000-20004000 already
mapped failed -16
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: BINDER_SET_CONTEXT_MGR already set
binder: undelivered TRANSACTION_COMPLETE
binder: release 15579:15584 transaction 4689 in, still active
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
binder: 15579:15584 ioctl 40046207 0 returned -16
binder: send failed reply for transaction 4689 to 15557:15606
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
binder: 15612:15615 got transaction with invalid fd, -1
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
binder: send failed reply for transaction 4691 to 15612:15615
binder: 15612:15615 ioctl c0306201 20000380 returned -14
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
binder_alloc: binder_alloc_mmap_handler: 15612 20001000-20004000 already
mapped failed -16
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
binder: BINDER_SET_CONTEXT_MGR already set
binder_alloc: 15612: binder_alloc_buf, no vma
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
binder: 15612:15615 ioctl 40046207 0 returned -16
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: 15629:15644 got reply transaction with no transaction stack
binder: 15633:15638 ioctl 40046207 0 returned -16
binder: 15633:15645 got reply transaction with no transaction stack
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: binder_alloc_mmap_handler: 15629 20001000-20004000 already
mapped failed -16
binder: 15633:15645 ioctl c0306201 20000380 returned -14
binder: BINDER_SET_CONTEXT_MGR already set
binder_alloc: binder_alloc_mmap_handler: 15633 20001000-20004000 already
mapped failed -16
binder: 15629:15635 ioctl 40046207 0 returned -16
binder: release 15629:15635 transaction 4696 in, still active
binder: send failed reply for transaction 4696 to 15633:15645
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: 15633: binder_alloc_buf, no vma
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
binder: 15655:15664 got reply transaction with no transaction stack
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
binder: 15665:15666 ioctl 40046207 0 returned -16
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: binder_alloc_mmap_handler: 15655 20001000-20004000 already
mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15665:15673 got reply transaction with no transaction stack
binder: release 15655:15658 transaction 4702 in, still active
binder: 15665:15673 ioctl c0306201 20000380 returned -14
binder: 15655:15658 ioctl 40046207 0 returned -16
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
binder: 15678:15686 got reply transaction with no transaction stack
binder_transaction: 19 callbacks suppressed
binder: 15678:15686 transaction failed 29201/-71, size 24-4 line 2741
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: binder_alloc_mmap_handler: 15665 20001000-20004000 already
mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15665:15673 ioctl 40046207 0 returned -16
binder_alloc: binder_alloc_mmap_handler: 15678 20001000-20004000 already
mapped failed -16
binder: undelivered TRANSACTION_COMPLETE
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
binder_release_work: 29 callbacks suppressed
binder: undelivered TRANSACTION_ERROR: 29189
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: release 15678:15681 transaction 4706 in, still active
binder_send_failed_reply: 1 callbacks suppressed
binder: send failed reply for transaction 4706 to 15665:15702
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
binder: undelivered TRANSACTION_ERROR: 29201
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_ERROR: 29201
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
binder: 15711:15712 got transaction with invalid fd, -1
binder: 15711:15712 transaction failed 29201/-9, size 24-8 line 3077
binder: send failed reply for transaction 4708 to 15711:15712
binder: 15711:15712 ioctl c0306201 20000380 returned -14
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder_alloc: binder_alloc_mmap_handler: 15711 20001000-20004000 already
mapped failed -16
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
binder: 15713:15721 got reply transaction with no transaction stack
binder: 15713:15716 ioctl 40046207 0 returned -16
binder: 15713:15721 transaction failed 29201/-71, size 24-4 line 2741
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: 15711:15712 ioctl 40046207 0 returned -16
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
binder_alloc: 15711: binder_alloc_buf, no vma
binder: undelivered TRANSACTION_ERROR: 29201
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
binder: 15711:15731 transaction failed 29201/-71, size 24-8 line 2741
binder: undelivered TRANSACTION_ERROR: 29190
binder: 15711:15720 transaction failed 29189/-3, size 0-0 line 2973
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: 15711:15731 ioctl c0306201 20000380 returned -14
binder: undelivered TRANSACTION_ERROR: 29201
binder: 15740:15745 transaction failed 29201/-71, size 24-4 line 2741
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_COMPLETE
binder: undelivered TRANSACTION_ERROR: 29201
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: 15749:15751 ioctl 40046207 0 returned -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15749:15755 transaction failed 29201/-71, size 24-8 line 2741
binder: 15740:15745 transaction failed 29201/-71, size 24-4 line 2741
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
binder: 15740:15743 ioctl 40046207 0 returned -16
binder: release 15740:15743 transaction 4715 in, still active
binder: 15749:15755 ioctl c0306201 20000380 returned -14
binder: send failed reply for transaction 4715 to 15749:15755
binder: undelivered TRANSACTION_ERROR: 29201
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: 15749: binder_alloc_buf, no vma
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
binder: 15749:15755 transaction failed 29189/-3, size 0-0 line 2973
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
binder: undelivered TRANSACTION_COMPLETE
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: 15765:15773 transaction failed 29201/-71, size 24-4 line 2741
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15780:15788 ioctl 40046207 0 returned -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15765:15769 ioctl 40046207 0 returned -16
binder: release 15765:15769 transaction 4722 in, still active
binder: send failed reply for transaction 4722 to 15780:15788
binder: 15780:15789 ioctl c0306201 20000380 returned -14
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15780:15789 ioctl 40046207 0 returned -16
binder: undelivered TRANSACTION_COMPLETE
binder: 15780:15827 ioctl c0306201 20000380 returned -14
binder: BINDER_SET_CONTEXT_MGR already set
binder: release 15791:15793 transaction 4726 in, still active
binder: 15791:15793 ioctl 40046207 0 returned -16
binder: send failed reply for transaction 4726 to 15780:15827
binder: undelivered TRANSACTION_COMPLETE
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
binder: 15831:15837 got transaction with invalid fd, -1
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
binder: send failed reply for transaction 4730 to 15831:15837
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15831:15837 ioctl c0306201 20000380 returned -14
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop5' (00000000738b34bd): kobject_uevent_env
binder_alloc_mmap_handler: 6 callbacks suppressed
binder_alloc: binder_alloc_mmap_handler: 15831 20001000-20004000 already
mapped failed -16
binder: 15839:15841 ioctl 40046207 0 returned -16
kobject: 'loop5' (00000000738b34bd): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: 15831: binder_alloc_buf, no vma
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: 15831:15837 ioctl 40046207 0 returned -16
binder_transaction: 9 callbacks suppressed
binder: 15839:15841 got reply transaction with no transaction stack
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: binder_alloc_mmap_handler: 15839 20001000-20004000 already
mapped failed -16
binder: undelivered TRANSACTION_COMPLETE
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
binder: BINDER_SET_CONTEXT_MGR already set
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
kobject: 'loop3' (00000000aa6c5897): kobject_uevent_env
binder: 15857:15859 ioctl 40046207 0 returned -16
kobject: 'loop3' (00000000aa6c5897): fill_kobj_path: path
= '/devices/virtual/block/loop3'
binder: 15857:15864 got reply transaction with no transaction stack
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
binder: 15857:15864 ioctl c0306201 20000380 returned -14
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder_alloc: binder_alloc_mmap_handler: 15857 20001000-20004000 already
mapped failed -16
kobject: 'kvm' (0000000048f78b94): kobject_uevent_env
binder: BINDER_SET_CONTEXT_MGR already set
binder: 15868:15871 ioctl 40046207 0 returned -16
binder_alloc: 15857: binder_alloc_buf, no vma
binder: 15857:15859 got reply transaction with no transaction stack
kobject: 'kvm' (0000000048f78b94): fill_kobj_path: path
= '/devices/virtual/misc/kvm'
binder: 15857:15859 ioctl c0306201 20000380 returned -14
binder: 15868:15871 got reply transaction with no transaction stack
kobject: 'loop1' (000000000959b2d0): kobject_uevent_env
binder_alloc: binder_alloc_mmap_handler: 15868 20001000-20004000 already
mapped failed -16
kobject: 'loop1' (000000000959b2d0): fill_kobj_path: path
= '/devices/virtual/block/loop1'
binder: 15868:15871 got reply transaction with no transaction stack
kobject: 'loop0' (0000000048a3337e): kobject_uevent_env
kobject: 'loop0' (0000000048a3337e): fill_kobj_path: path
= '/devices/virtual/block/loop0'
binder: 15881:15882 got transaction with invalid fd, -1
kobject: 'loop4' (000000003440eab0): kobject_uevent_env
binder: send failed reply for transaction 4744 to 15881:15882
kobject: 'loop4' (000000003440eab0): fill_kobj_path: path
= '/devices/virtual/block/loop4'
binder: 15881:15882 ioctl c0306201 20000380 returned -14
binder_alloc: binder_alloc_mmap_handler: 15881 20001000-20004000 already
mapped failed -16
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this bug report. See:
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syzbot.
reply other threads:[~2018-12-12 11:11 UTC|newest]
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