From: kernel test robot <yi1.lai@intel.com>
To: "Jim Cromie" <jim.cromie@gmail.com>,
"Łukasz Bartosik" <ukaszb@chromium.org>
Cc: oe-lkp@lists.linux.dev, lkp@intel.com, yi1.lai@intel.com
Subject: [jimc:dd-ratelimit-2] [lib/dynamic_debug] 29d01faf08: Oops:general_protection_fault,probably_for_non-canonical_address#:#[##]SMP_KASAN
Date: Fri, 21 Aug 2026 11:11:27 +0800 [thread overview]
Message-ID: <202608210932.fe556b16-lkp@intel.com> (raw)
Hello,
kernel test robot noticed "Oops:general_protection_fault,probably_for_non-canonical_address#:#[##]SMP_KASAN" on:
commit: 29d01faf08d63c34e46af173536be5af2aaab4fb ("lib/dynamic_debug: Refactor ddebug_arena to vmalloc backing") https://github.com/jimc/linux.git dd-ratelimit-2
in testcase: boot
config: x86_64-randconfig-076-20260819
compiler: gcc-14
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 32G
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <yi1.lai@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202608210932.fe556b16-lkp@intel.com
[ 3.318502][ T1] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:323
[ 3.320918][ T1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 3.322846][ T1] preempt_count: 1, expected: 0
[ 3.324116][ T1] RCU nest depth: 0, expected: 0
[ 3.325518][ T1] 1 lock held by swapper/0/1:
[ 3.326720][ T1] #0: ffffffffa589ac98 ((dd_builtin_site_map.mt).ma_lock){+.+.}-{3:3}, at: arena_mtree_store_range (linux/spinlock.h:342 maple_tree.c:5704)
[ 3.329140][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 7.2.0+ #1 PREEMPT(full)
[ 3.329153][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 3.329158][ T1] Call Trace:
[ 3.329163][ T1] <TASK>
[ 3.329168][ T1] dump_stack_lvl (dump_stack.c:94 dump_stack.c:120)
[ 3.329186][ T1] dump_stack (dump_stack.c:129)
[ 3.329193][ T1] __might_resched.cold (sched/core.c:9197)
[ 3.329205][ T1] __might_sleep (sched/core.c:9126)
[ 3.329214][ T1] __kmalloc_cache_node_noprof (linux/sched/mm.h:323 (discriminator 1) slub.c:4537 (discriminator 1) slub.c:4897 (discriminator 1) slub.c:5504 (discriminator 1))
[ 3.329223][ T1] ? check_prev_add (locking/lockdep.c:3242 (discriminator 2))
[ 3.329233][ T1] ? __get_vm_area_node (linux/slab.h:1193 vmalloc.c:3237)
[ 3.329245][ T1] __get_vm_area_node (linux/slab.h:1193 vmalloc.c:3237)
[ 3.329259][ T1] __vmalloc_node_range_noprof (vmalloc.c:4064)
[ 3.329268][ T1] ? ddebug_arena_alloc_node+0x148/0x380
[ 3.329284][ T1] ? __vmalloc_area_node (x86/include/asm/bitops.h:202 (discriminator 1))
[ 3.329292][ T1] ? mark_held_locks (locking/lockdep.c:4325)
[ 3.329301][ T1] __vmalloc_node_noprof (vmalloc.c:4165 (discriminator 4))
[ 3.329308][ T1] ? ddebug_arena_alloc_node+0x148/0x380
[ 3.329315][ T1] ? trace_hardirqs_on (trace/trace_preemptirq.c:79 (discriminator 1))
[ 3.329328][ T1] vmalloc_noprof (vmalloc.c:4200)
[ 3.329335][ T1] ddebug_arena_alloc_node+0x148/0x380
[ 3.329347][ T1] ddebug_arena_alloc (dynamic_debug.c:121)
[ 3.329354][ T1] mas_alloc_nodes (arena_maple_tree.c:155 maple_tree.c:139 maple_tree.c:1089)
[ 3.329365][ T1] ? lock_is_held_type (locking/lockdep.c:5601 locking/lockdep.c:5940)
[ 3.329379][ T1] arena_mas_store_gfp (maple_tree.c:3719 maple_tree.c:4893)
[ 3.329396][ T1] ? arena_mtree_alloc_cyclic (maple_tree.c:5858)
[ 3.329414][ T1] ? ddebug_increment_call_count (dynamic_debug.c:201)
[ 3.329421][ T1] arena_mtree_store_range (maple_tree.c:5705)
[ 3.329429][ T1] ? arena_mas_store_gfp (linux/maple_tree.h:796 (discriminator 4))
[ 3.329452][ T1] ddebug_store_tagged_range (dynamic_debug.c:489)
[ 3.329462][ T1] ddebug_grow_tree (dynamic_debug.c:527 (discriminator 1))
[ 3.329483][ T1] ddebug_condense_sites (dynamic_debug.c:565 dynamic_debug.c:556)
[ 3.329494][ T1] dynamic_debug_init (dynamic_debug.c:2758)
[ 3.329503][ T1] ? lockdep_hardirqs_on_prepare (locking/lockdep.c:4674)
[ 3.329513][ T1] ? dynamic_debug_init_control (dynamic_debug.c:2595)
[ 3.329531][ T1] ? dynamic_debug_init_control (dynamic_debug.c:2595)
[ 3.329538][ T1] do_one_initcall (main.c:1347)
[ 3.329549][ T1] ? trace_event_raw_event_initcall_level (trace/events/initcall.h:10)
[ 3.329557][ T1] ? __register_sysctl_table (linux/spinlock.h:390 proc/proc_sysctl.c:1402)
[ 3.329577][ T1] kernel_init_freeable (main.c:1454 (discriminator 1) main.c:1647 (discriminator 1))
[ 3.329584][ T1] ? rest_init (main.c:717)
[ 3.329591][ T1] kernel_init (main.c:1548)
[ 3.329596][ T1] ? rest_init (main.c:717)
[ 3.329602][ T1] ret_from_fork (x86/kernel/process.c:158)
[ 3.329610][ T1] ? exit_thread (x86/include/asm/bitops.h:202 (discriminator 1))
[ 3.329615][ T1] ? __kasan_check_read (kasan/shadow.c:31 (discriminator 1))
[ 3.329624][ T1] ? __switch_to (linux/instrumented.h:82 asm-generic/bitops/instrumented-non-atomic.h:141 linux/thread_info.h:133 linux/sched.h:2087 x86/include/asm/fpu/sched.h:34 x86/kernel/process_64.c:619)
[ 3.329631][ T1] ? rest_init (main.c:717)
[ 3.329641][ T1] ret_from_fork_asm (x86/entry/entry_64.S:245)
[ 3.329664][ T1] </TASK>
[ 3.329882][ T1] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN
[ 3.330111][ T1] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[ 3.330111][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W 7.2.0+ #1 PREEMPT(full)
[ 3.330111][ T1] Tainted: [W]=WARN
[ 3.330111][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 3.330111][ T1] RIP: 0010:mas_wr_store_type (maple_tree.c:351 maple_tree.c:356 maple_tree.c:3685)
[ 3.330111][ T1] Code: 79 18 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 51 07 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 59 18 30 db 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 a9 08 00 00 b8 06 00 00 00 f6 03 01 74 05 b8 08
All code
========
0: 79 18 jns 0x1a
2: 48 89 fa mov %rdi,%rdx
5: 48 c1 ea 03 shr $0x3,%rdx
9: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
d: 0f 85 51 07 00 00 jne 0x764
13: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1a: fc ff df
1d: 48 8b 59 18 mov 0x18(%rcx),%rbx
21: 30 db xor %bl,%bl
23: 48 89 da mov %rbx,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
2a:* 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 a9 08 00 00 jne 0x8dd
34: b8 06 00 00 00 mov $0x6,%eax
39: f6 03 01 testb $0x1,(%rbx)
3c: 74 05 je 0x43
3e: b8 .byte 0xb8
3f: 08 .byte 0x8
Code starting with the faulting instruction ===========================================
0: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
4: 0f 85 a9 08 00 00 jne 0x8b3
a: b8 06 00 00 00 mov $0x6,%eax
f: f6 03 01 testb $0x1,(%rbx)
12: 74 05 je 0x19
14: b8 .byte 0xb8
15: 08 .byte 0x8
[ 3.330111][ T1] RSP: 0000:ffffc9000001f948 EFLAGS: 00010246
[ 3.330111][ T1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000001fb30
[ 3.330111][ T1] RDX: 0000000000000000 RSI: ffffffffa589ac98 RDI: ffffc9000001fb48
[ 3.330111][ T1] RBP: ffffc9000001f998 R08: ffffc9000001fa60 R09: ffffffffffffffff
[ 3.330111][ T1] R10: 0000000000000003 R11: ffffffffa1e01720 R12: 0000000000000000
[ 3.330111][ T1] R13: ffffc9000001fa58 R14: 0000000000000000 R15: ffffffffffffffff
[ 3.330111][ T1] FS: 0000000000000000(0000) GS:ffff88877653b000(0000) knlGS:0000000000000000
[ 3.330111][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3.330111][ T1] CR2: ffff88883ffff000 CR3: 00000003e52bb000 CR4: 00000000000406f0
[ 3.330111][ T1] Call Trace:
[ 3.330111][ T1] <TASK>
[ 3.330111][ T1] ? lock_is_held_type (locking/lockdep.c:5601 locking/lockdep.c:5940)
[ 3.330111][ T1] arena_mas_store_gfp (maple_tree.c:3714 maple_tree.c:4893)
[ 3.330111][ T1] ? arena_mtree_alloc_cyclic (maple_tree.c:5858)
[ 3.330111][ T1] ? ddebug_increment_call_count (dynamic_debug.c:201)
[ 3.330111][ T1] arena_mtree_store_range (maple_tree.c:5705)
[ 3.330111][ T1] ? arena_mas_store_gfp (linux/maple_tree.h:796 (discriminator 4))
[ 3.330111][ T1] ddebug_store_tagged_range (dynamic_debug.c:489)
[ 3.330111][ T1] ddebug_grow_tree (dynamic_debug.c:527 (discriminator 1))
[ 3.330111][ T1] ddebug_condense_sites (dynamic_debug.c:565 dynamic_debug.c:556)
[ 3.330111][ T1] dynamic_debug_init (dynamic_debug.c:2758)
[ 3.330111][ T1] ? lockdep_hardirqs_on_prepare (locking/lockdep.c:4674)
[ 3.330111][ T1] ? dynamic_debug_init_control (dynamic_debug.c:2595)
[ 3.330111][ T1] do_one_initcall (main.c:1347)
[ 3.330111][ T1] ? trace_event_raw_event_initcall_level (trace/events/initcall.h:10)
[ 3.330111][ T1] ? __register_sysctl_table (linux/spinlock.h:390 proc/proc_sysctl.c:1402)
[ 3.330111][ T1] kernel_init_freeable (main.c:1454 (discriminator 1) main.c:1647 (discriminator 1))
[ 3.330111][ T1] ? rest_init (main.c:717)
[ 3.330111][ T1] kernel_init (main.c:1548)
[ 3.330111][ T1] ? rest_init (main.c:717)
[ 3.330111][ T1] ret_from_fork (x86/kernel/process.c:158)
[ 3.330111][ T1] ? exit_thread (x86/include/asm/bitops.h:202 (discriminator 1))
[ 3.330111][ T1] ? __kasan_check_read (kasan/shadow.c:31 (discriminator 1))
[ 3.330111][ T1] ? __switch_to (linux/instrumented.h:82 asm-generic/bitops/instrumented-non-atomic.h:141 linux/thread_info.h:133 linux/sched.h:2087 x86/include/asm/fpu/sched.h:34 x86/kernel/process_64.c:619)
[ 3.330111][ T1] ? rest_init (main.c:717)
[ 3.330111][ T1] ret_from_fork_asm (x86/entry/entry_64.S:245)
[ 3.330111][ T1] </TASK>
[ 3.330111][ T1] Modules linked in:
[ 3.330128][ T1] ---[ end trace 0000000000000000 ]---
[ 3.332123][ T1] RIP: 0010:mas_wr_store_type (maple_tree.c:351 maple_tree.c:356 maple_tree.c:3685)
[ 3.334118][ T1] Code: 79 18 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 51 07 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 59 18 30 db 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 a9 08 00 00 b8 06 00 00 00 f6 03 01 74 05 b8 08
All code
========
0: 79 18 jns 0x1a
2: 48 89 fa mov %rdi,%rdx
5: 48 c1 ea 03 shr $0x3,%rdx
9: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
d: 0f 85 51 07 00 00 jne 0x764
13: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1a: fc ff df
1d: 48 8b 59 18 mov 0x18(%rcx),%rbx
21: 30 db xor %bl,%bl
23: 48 89 da mov %rbx,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
2a:* 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 a9 08 00 00 jne 0x8dd
34: b8 06 00 00 00 mov $0x6,%eax
39: f6 03 01 testb $0x1,(%rbx)
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260821/202608210932.fe556b16-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-08-21 3:11 UTC|newest]
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