------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci2
WARNING: kernel/workqueue.c:2259 at __queue_work+0xd38/0xfb0 kernel/workqueue.c:2257, CPU#0: syz.5.4479/20347
Modules linked in:
CPU: 0 UID: 0 PID: 20347 Comm: syz.5.4479 Not tainted 6.16.0-rc2-next-20250617-syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__queue_work+0xd38/0xfb0 kernel/workqueue.c:2257
Code: 42 80 3c 20 00 74 08 4c 89 ef e8 b3 c6 99 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 80 dd 89 8b 4c 89 fa e8 49 37 f9 ff 90 <0f> 0b 90 90 e9 1a f5 ff ff e8 1a 9a 35 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc90000007b10 EFLAGS: 00010046
RAX: eb26decfdc803c00 RBX: 0000000000000100 RCX: ffff88801c3b9e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff1100b341138 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfaa0c R12: dffffc0000000000
R13: ffff88803246c948 R14: 0000000000000008 R15: ffff888059a08978
FS: 00007f48b81e96c0(0000) GS:ffff888125c40000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe1ca5ffe00 CR3: 0000000029762000 CR4: 00000000003526f0
Call Trace:
<IRQ>
call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747
expire_timers kernel/time/timer.c:1793 [inline]
__run_timers kernel/time/timer.c:2372 [inline]
__run_timer_base+0x646/0x860 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+0x283/0x870 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:memset_orig+0x42/0xb0 arch/x86/lib/memset_64.S:73
Code: 41 83 e1 07 75 74 48 89 d1 48 c1 e9 06 74 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 48 89 47 10 48 89 47 18 <48> 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d8
RSP: 0018:ffffc90004496e78 EFLAGS: 00000212
RAX: 0000000000000000 RBX: 0000000000001000 RCX: 000000000000002f
RDX: 0000000000001000 RSI: 0000000000000000 RDI: ffff88807b44c400
RBP: ffffc90004496fd8 R08: ffff88807b44cfff R09: 0000000000000000
R10: ffff88807b44c000 R11: ffffed100f689a00 R12: ffffc90004497108
R13: 0000000000000000 R14: 0000000000001000 R15: 1ffff92000892e21
zero_to_iter lib/iov_iter.c:449 [inline]
iterate_kvec include/linux/iov_iter.h:86 [inline]
iterate_and_advance2 include/linux/iov_iter.h:306 [inline]
iterate_and_advance include/linux/iov_iter.h:328 [inline]
iov_iter_zero+0xb7d/0x1690 lib/iov_iter.c:455
shmem_file_read_iter+0x5fa/0x930 mm/shmem.c:3428
__kernel_read+0x46c/0x8c0 fs/read_write.c:530
integrity_kernel_read+0x89/0xd0 security/integrity/iint.c:28
ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:480 [inline]
ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline]
ima_calc_file_hash+0x85e/0x16f0 security/integrity/ima/ima_crypto.c:568
ima_collect_measurement+0x428/0x8d0 security/integrity/ima/ima_api.c:293
process_measurement+0x1121/0x1a40 security/integrity/ima/ima_main.c:405
ima_file_mmap+0x1a2/0x1f0 security/integrity/ima/ima_main.c:495
security_mmap_file+0x7a4/0xa60 security/security.c:2982
vm_mmap_pgoff+0x12c/0x4c0 mm/util.c:573
ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:607
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: 0033:0x7f48b738e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f48b81e9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f48b75b6080 RCX: 00007f48b738e929
RDX: b635773f04ebbeed RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f48b7410b39 R08: 0000000000000004 R09: 0000000000005000
R10: 0000000000080010 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f48b75b6080 R15: 00007fff4e8962e8
</TASK>
----------------
Code disassembly (best guess):
0: 41 83 e1 07 and $0x7,%r9d
4: 75 74 jne 0x7a
6: 48 89 d1 mov %rdx,%rcx
9: 48 c1 e9 06 shr $0x6,%rcx
d: 74 39 je 0x48
f: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
16: 00 00
18: 48 ff c9 dec %rcx
1b: 48 89 07 mov %rax,(%rdi)
1e: 48 89 47 08 mov %rax,0x8(%rdi)
22: 48 89 47 10 mov %rax,0x10(%rdi)
26: 48 89 47 18 mov %rax,0x18(%rdi)
* 2a: 48 89 47 20 mov %rax,0x20(%rdi) <-- trapping instruction
2e: 48 89 47 28 mov %rax,0x28(%rdi)
32: 48 89 47 30 mov %rax,0x30(%rdi)
36: 48 89 47 38 mov %rax,0x38(%rdi)
3a: 48 8d 7f 40 lea 0x40(%rdi),%rdi
3e: 75 d8 jne 0x18