general protection fault, probably for non-canonical address 0xdffffcc02000800c: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x0000060100040060-0x0000060100040067]
CPU: 1 PID: 4493 Comm: udevd Not tainted 6.5.0-next-20230905-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:lookup_object lib/debugobjects.c:195 [inline]
RIP: 0010:debug_object_deactivate lib/debugobjects.c:785 [inline]
RIP: 0010:debug_object_deactivate+0x175/0x320 lib/debugobjects.c:771
Code: da 48 c1 ea 03 80 3c 02 00 0f 85 54 01 00 00 48 8b 1b 48 85 db 0f 84 82 00 00 00 48 8d 7b 18 41 83 c4 01 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 11 01 00 00 4c 3b 7b 18 75 c4 48 8d 7b 10 48 b8
RSP: 0018:ffffc900001f0c90 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000060100040048 RCX: ffffffff816915ce
RDX: 000000c02000800c RSI: 0000000000000006 RDI: 0000060100040060
RBP: ffffc900001f0d78 R08: 0000000000000001 R09: fffff5200003e180
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000004
R13: 1ffff9200003e196 R14: ffffffff8a8f19e0 R15: ffff88807bd814d8
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc16bbb000 CR3: 000000000c976000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
debug_timer_deactivate kernel/time/timer.c:787 [inline]
debug_deactivate kernel/time/timer.c:831 [inline]
detach_timer kernel/time/timer.c:878 [inline]
expire_timers kernel/time/timer.c:1734 [inline]
__run_timers+0x5f9/0xb10 kernel/time/timer.c:2022
run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
__do_softirq+0x218/0x965 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1074
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 66 6f 9d 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <f3> 0f 1e fa 65 8b 05 2d dc 7b 7e 89 c1 48 8b 34 24 81 e1 00 01 00
RSP: 0018:ffffc9000315f4c0 EFLAGS: 00000283
RAX: 0000000000000000 RBX: ffffc9000315f590 RCX: 0000000000000000
RDX: ffff88807cc75940 RSI: ffffffff813a56c5 RDI: 0000000000000005
RBP: ffffc9000315f908 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: ffffffff81dda39b R12: ffffc9000315f598
R13: ffffc9000315f5a0 R14: ffffc90003158000 R15: ffffc90003160000
on_stack arch/x86/include/asm/stacktrace.h:60 [inline]
stack_access_ok+0x1d7/0x270 arch/x86/kernel/unwind_orc.c:393
deref_stack_reg arch/x86/kernel/unwind_orc.c:403 [inline]
unwind_next_frame+0x1a98/0x2390 arch/x86/kernel/unwind_orc.c:648
arch_stack_walk+0xfa/0x170 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
kasan_set_track+0x25/0x30 mm/kasan/common.c:52
kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522
____kasan_slab_free mm/kasan/common.c:236 [inline]
____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200
kasan_slab_free include/linux/kasan.h:164 [inline]
slab_free_hook mm/slub.c:1800 [inline]
slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826
slab_free mm/slub.c:3809 [inline]
kmem_cache_free+0xf0/0x480 mm/slub.c:3831
remove_vma+0x128/0x170 mm/mmap.c:146
exit_mmap+0x453/0xa60 mm/mmap.c:3234
__mmput+0x12a/0x4d0 kernel/fork.c:1349
mmput+0x62/0x70 kernel/fork.c:1371
exit_mm kernel/exit.c:567 [inline]
do_exit+0x9b4/0x2a20 kernel/exit.c:861
do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
get_signal+0x23d1/0x27b0 kernel/signal.c:2892
arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7efc166be3cd
Code: Unable to access opcode bytes at 0x7efc166be3a3.
RSP: 002b:00007ffccc0a6b40 EFLAGS: 00000246 ORIG_RAX: 00000000000000ea
RAX: 0000000000000000 RBX: 00007efc16a93c80 RCX: 00007efc166be3cd
RDX: 0000000000000006 RSI: 000000000000118d RDI: 000000000000118d
RBP: 000000000000118d R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000006
R13: 00007ffccc0a6d50 R14: 0000000000001000 R15: 0000000000000000
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:lookup_object lib/debugobjects.c:195 [inline]
RIP: 0010:debug_object_deactivate lib/debugobjects.c:785 [inline]
RIP: 0010:debug_object_deactivate+0x175/0x320 lib/debugobjects.c:771
Code: da 48 c1 ea 03 80 3c 02 00 0f 85 54 01 00 00 48 8b 1b 48 85 db 0f 84 82 00 00 00 48 8d 7b 18 41 83 c4 01 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 11 01 00 00 4c 3b 7b 18 75 c4 48 8d 7b 10 48 b8
RSP: 0018:ffffc900001f0c90 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: 0000060100040048 RCX: ffffffff816915ce
RDX: 000000c02000800c RSI: 0000000000000006 RDI: 0000060100040060
RBP: ffffc900001f0d78 R08: 0000000000000001 R09: fffff5200003e180
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000004
R13: 1ffff9200003e196 R14: ffffffff8a8f19e0 R15: ffff88807bd814d8
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc16bbb000 CR3: 000000000c976000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 c1 ea 03 shr $0x3,%rdx
4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
8: 0f 85 54 01 00 00 jne 0x162
e: 48 8b 1b mov (%rbx),%rbx
11: 48 85 db test %rbx,%rbx
14: 0f 84 82 00 00 00 je 0x9c
1a: 48 8d 7b 18 lea 0x18(%rbx),%rdi
1e: 41 83 c4 01 add $0x1,%r12d
22: 48 89 fa mov %rdi,%rdx
25: 48 c1 ea 03 shr $0x3,%rdx
* 29: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2d: 0f 85 11 01 00 00 jne 0x144
33: 4c 3b 7b 18 cmp 0x18(%rbx),%r15
37: 75 c4 jne 0xfffffffd
39: 48 8d 7b 10 lea 0x10(%rbx),%rdi
3d: 48 rex.W
3e: b8 .byte 0xb8