------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci1
WARNING: kernel/workqueue.c:2270 at __queue_work+0xd08/0x1150 kernel/workqueue.c:2269, CPU#1: udevd/20276
Modules linked in:
CPU: 1 UID: 0 PID: 20276 Comm: udevd Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__queue_work+0xd0c/0x1150 kernel/workqueue.c:2269
Code: 00 00 00 fc ff df 49 8d 94 24 78 01 00 00 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 04 04 00 00 48 8d 3d d8 92 0c 0f 48 8b 75 18 <67> 48 0f b9 3a e9 2a f7 ff ff e8 e5 c9 38 00 90 0f 0b 90 e9 b2 f5
RSP: 0018:ffffc90000a08be8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff11013478151
RDX: ffff8880592b1178 RSI: ffffffff8a833ed0 RDI: ffffffff90dc64e0
RBP: ffff88809a3c0a70 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000000 R12: ffff8880592b1000
R13: 1ffff9200014118f R14: ffffffff81cfe320 R15: 0000000000000001
FS: 00007f90b6fbb880(0000) GS:ffff888124448000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2daf5ff8 CR3: 000000002984a000 CR4: 00000000003526f0
Call Trace:
call_timer_fn+0x19a/0x670 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1794 [inline]
__run_timers+0x570/0xb30 kernel/time/timer.c:2373
__run_timer_base kernel/time/timer.c:2385 [inline]
__run_timer_base kernel/time/timer.c:2377 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2394
run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2404
handle_softirqs+0x1eb/0x9e0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__seqprop_spinlock_sequence include/linux/seqlock.h:228 [inline]
RIP: 0010:read_seqbegin include/linux/seqlock.h:838 [inline]
RIP: 0010:read_seqbegin_or_lock include/linux/seqlock.h:1150 [inline]
RIP: 0010:read_seqbegin_or_lock include/linux/seqlock.h:1146 [inline]
RIP: 0010:prepend_path+0x157/0x1060 fs/d_path.c:166
Code: 75 08 48 c7 c7 48 69 41 8e e8 25 a5 49 ff 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 f3 6d 6d ff 58 48 85 db 0f 85 0f 0d 00 00 04 73 6d ff 48 c7 c2 40 69 41 8e 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000fbff538 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff829b3484
RDX: ffff88802db68000 RSI: ffffffff829b3493 RDI: ffffffff829b4cbb
RBP: ffffc9000fbff648 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888037cc8ffe
R13: 1ffff92001f7feb7 R14: dffffc0000000000 R15: ffff888037cc8ffd
d_absolute_path+0xfb/0x1b0 fs/d_path.c:234
tomoyo_get_absolute_path security/tomoyo/realpath.c:101 [inline]
tomoyo_realpath_from_path+0x358/0x690 security/tomoyo/realpath.c:271
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_check_open_permission+0x2af/0x3c0 security/tomoyo/file.c:776
tomoyo_file_open+0x6b/0x90 security/tomoyo/tomoyo.c:334
security_file_open+0xb5/0x1e0 security/security.c:2636
do_dentry_open+0x5aa/0x1660 fs/open.c:926
vfs_open+0x82/0x3f0 fs/open.c:1081
do_open fs/namei.c:4671 [inline]
path_openat+0x208c/0x31a0 fs/namei.c:4830
do_file_open+0x20e/0x430 fs/namei.c:4859
do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
do_sys_open fs/open.c:1372 [inline]
__do_sys_openat fs/open.c:1388 [inline]
__se_sys_openat fs/open.c:1383 [inline]
__x64_sys_openat+0x12d/0x210 fs/open.c:1383
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f90b68a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007fffe52b33a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f90b6fbb880 RCX: 00007f90b68a7407
RDX: 0000000000080000 RSI: 000055d660d0c6f0 RDI: ffffffffffffff9c
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000055d637dbb95f
R13: 000055d637dcc660 R14: 0000000000000000 R15: 00000000ffffffff
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 fc add %bh,%ah
4: ff lcall (bad)
5: df 49 8d fisttps -0x73(%rcx)
8: 94 xchg %eax,%esp
9: 24 78 and $0x78,%al
b: 01 00 add %eax,(%rax)
d: 00 48 89 add %cl,-0x77(%rax)
10: f9 stc
11: 48 c1 e9 03 shr $0x3,%rcx
15: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1)
19: 0f 85 04 04 00 00 jne 0x423
1f: 48 8d 3d d8 92 0c 0f lea 0xf0c92d8(%rip),%rdi # 0xf0c92fe
26: 48 8b 75 18 mov 0x18(%rbp),%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: e9 2a f7 ff ff jmp 0xfffff75e
34: e8 e5 c9 38 00 call 0x38ca1e
39: 90 nop
3a: 0f 0b ud2
3c: 90 nop
3d: e9 .byte 0xe9
3e: b2 f5 mov $0xf5,%dl