------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: CPU: 0 PID: 6068 at kernel/workqueue.c:2255 __queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Modules linked in:
CPU: 0 UID: 0 PID: 6068 Comm: dhcpcd-run-hook Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 4b 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 a0 00 ac 8b e8 be 1e f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 df 78 38 00 90 0f 0b 90 e9 b4 f5 ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a3358
RDX: ffff88802f57a440 RSI: ffffffff817a3365 RDI: 0000000000000001
RBP: ffff888025780970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff92000000f8f
R13: 0000000080000101 R14: ffffffff81832460 R15: ffff88807ad3d978
FS: 0000000000000000(0000) GS:ffff8881246b9000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb341847286 CR3: 0000000074ae9000 CR4: 00000000003526f0
Call Trace:
call_timer_fn+0x197/0x620 kernel/time/timer.c:1747
expire_timers kernel/time/timer.c:1793 [inline]
__run_timers+0x569/0x960 kernel/time/timer.c:2372
__run_timer_base kernel/time/timer.c:2384 [inline]
__run_timer_base kernel/time/timer.c:2376 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2393
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
handle_softirqs+0x216/0x8e0 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5872
Code: a9 3e 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 62 84 13 0f 0f 82 74 02 00 00 8b 35 1a b6 13 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 b9 a8 3e 12 0f 85 c7 02 00 00 48 83 c4
RSP: 0018:ffffc90005adf470 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8e5c1220 RCX: 00000000b8ab626d
RDX: 0000000000000000 RSI: ffffffff8de2ace0 RDI: ffffffff8c162900
RBP: 0000000000000002 R08: 5a24332f1958086d R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
page_table_check_clear+0x190/0x740 mm/page_table_check.c:77
__page_table_check_pte_clear+0xf1/0x100 mm/page_table_check.c:154
page_table_check_pte_clear include/linux/page_table_check.h:51 [inline]
ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1270 [inline]
get_and_clear_full_ptes include/linux/pgtable.h:725 [inline]
zap_present_folio_ptes mm/memory.c:1499 [inline]
zap_present_ptes mm/memory.c:1581 [inline]
do_zap_pte_range mm/memory.c:1682 [inline]
zap_pte_range mm/memory.c:1726 [inline]
zap_pmd_range mm/memory.c:1818 [inline]
zap_pud_range mm/memory.c:1847 [inline]
zap_p4d_range mm/memory.c:1868 [inline]
unmap_page_range+0x24fc/0x42c0 mm/memory.c:1889
unmap_single_vma.constprop.0+0x153/0x240 mm/memory.c:1932
unmap_vmas+0x218/0x470 mm/memory.c:1976
exit_mmap+0x1b9/0xb90 mm/mmap.c:1280
__mmput+0x12a/0x410 kernel/fork.c:1130
mmput+0x62/0x70 kernel/fork.c:1152
exec_mmap fs/exec.c:901 [inline]
begin_new_exec+0x15a7/0x38b0 fs/exec.c:1156
load_elf_binary+0x8e7/0x4fe0 fs/binfmt_elf.c:995
search_binary_handler fs/exec.c:1670 [inline]
exec_binprm fs/exec.c:1702 [inline]
bprm_execve fs/exec.c:1754 [inline]
bprm_execve+0x8be/0x1640 fs/exec.c:1730
do_execveat_common.isra.0+0x4a5/0x610 fs/exec.c:1860
do_execve fs/exec.c:1934 [inline]
__do_sys_execve fs/exec.c:2010 [inline]
__se_sys_execve fs/exec.c:2005 [inline]
__x64_sys_execve+0x8e/0xb0 fs/exec.c:2005
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb34178d107
Code: Unable to access opcode bytes at 0x7fb34178d0dd.
RSP: 002b:00007ffeb2a76628 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 0000560e096b5e38 RCX: 00007fb34178d107
RDX: 0000560e096b5e60 RSI: 0000560e096b5e38 RDI: 0000560e096b5ef0
RBP: 0000560e096b5ef0 R08: 00007ffeb2a7aebc R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000560e096b5e60
R13: 00007fb341952e8b R14: 0000560e096b5e60 R15: 0000000000000000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 3e 12 83 f8 07 0f 87 ds adc -0x78f0f808(%rbx),%al
7: bc 02 00 00 89 mov $0x89000002,%esp
c: c0 48 0f a3 rorb $0xa3,0xf(%rax)
10: 05 62 84 13 0f add $0xf138462,%eax
15: 0f 82 74 02 00 00 jb 0x28f
1b: 8b 35 1a b6 13 0f mov 0xf13b61a(%rip),%esi # 0xf13b63b
21: 85 f6 test %esi,%esi
23: 0f 85 8d 00 00 00 jne 0xb6
* 29: 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction
2e: 65 48 2b 05 b9 a8 3e sub %gs:0x123ea8b9(%rip),%rax # 0x123ea8ef
35: 12
36: 0f 85 c7 02 00 00 jne 0x303
3c: 48 rex.W
3d: 83 .byte 0x83
3e: c4 .byte 0xc4