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workqueue: cannot queue hci_cmd_timeout on wq hci1
WARNING: CPU: 1 PID: 15051 at kernel/workqueue.c:2258 __queue_work+0xd38/0xfb0 kernel/workqueue.c:2256
Modules linked in:
CPU: 1 UID: 0 PID: 15051 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__queue_work+0xd38/0xfb0 kernel/workqueue.c:2256
Code: 42 80 3c 20 00 74 08 4c 89 ef e8 03 b0 9b 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 20 db 69 8b 4c 89 fa e8 b9 31 f9 ff 90 <0f> 0b 90 90 e9 1a f5 ff ff e8 5a 13 36 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc90000a08b10 EFLAGS: 00010046
RAX: e24751fc0ba91b00 RBX: 0000000000000100 RCX: ffff888032a25ac0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff1100f5b0238 R08: ffff8880b8724293 R09: 1ffff110170e4852
R10: dffffc0000000000 R11: ffffed10170e4853 R12: dffffc0000000000
R13: ffff88805af54990 R14: 0000000000000008 R15: ffff88807ad81178
FS: 00005555703ea500(0000) GS:ffff888125e27000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa531d17d60 CR3: 000000003150a000 CR4: 00000000003526f0
Call Trace:
call_timer_fn+0x17b/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:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1052
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_get_return_address+0x56/0x90 arch/x86/kernel/unwind_orc.c:369
Code: 83 c3 48 49 89 df 49 c1 ef 03 43 80 3c 37 00 74 08 48 89 df e8 3b 15 b2 00 48 8b 3b e8 a3 d1 18 00 85 c0 74 14 43 80 3c 37 00 <74> 08 48 89 df e8 20 15 b2 00 48 8b 03 eb 02 31 c0 5b 41 5e 41 5f
RSP: 0018:ffffc90003846728 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffc90003846790 RCX: e24751fc0ba91b00
RDX: 0000000000000001 RSI: ffffffff8d9ccc43 RDI: ffffffff8932d194
RBP: ffffc900038467d0 R08: ffffc900038472b0 R09: 0000000000000000
R10: ffffc90003846798 R11: fffff52000708cf5 R12: ffff888032a25ac0
R13: ffff88807ca4a5a0 R14: dffffc0000000000 R15: 1ffff92000708cf2
arch_stack_walk+0xfc/0x150 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:56 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
unpoison_slab_object mm/kasan/common.c:342 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:368
kasan_slab_alloc include/linux/kasan.h:252 [inline]
slab_post_alloc_hook mm/slub.c:4946 [inline]
slab_alloc_node mm/slub.c:5245 [inline]
kmem_cache_alloc_noprof+0x367/0x6e0 mm/slub.c:5252
__kernfs_new_node+0xd7/0x7e0 fs/kernfs/dir.c:637
kernfs_new_node+0x102/0x210 fs/kernfs/dir.c:713
__kernfs_create_file+0x4b/0x2e0 fs/kernfs/file.c:1057
sysfs_add_file_mode_ns+0x238/0x300 fs/sysfs/file.c:313
sysfs_merge_group+0x177/0x310 fs/sysfs/group.c:376
dpm_sysfs_add+0xd2/0x270 drivers/base/power/sysfs.c:704
device_add+0x4d8/0xb50 drivers/base/core.c:3649
netdev_register_kobject+0x178/0x310 net/core/net-sysfs.c:2358
register_netdevice+0x126c/0x1ae0 net/core/dev.c:11294
ipcaif_newlink+0x20c/0x4f0 net/caif/chnl_net.c:452
rtnl_newlink_create+0x30d/0xb00 net/core/rtnetlink.c:3833
__rtnl_newlink net/core/rtnetlink.c:3950 [inline]
rtnl_newlink+0x16e4/0x1c80 net/core/rtnetlink.c:4065
rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6954
netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552
netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
netlink_unicast+0x82c/0x9e0 net/netlink/af_netlink.c:1346
netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg+0x219/0x270 net/socket.c:742
__sys_sendto+0x3bd/0x520 net/socket.c:2244
__do_sys_sendto net/socket.c:2251 [inline]
__se_sys_sendto net/socket.c:2247 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2247
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa530f90d5c
Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b
RSP: 002b:00007fffce6d1d00 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fa531d14620 RCX: 00007fa530f90d5c
RDX: 0000000000000038 RSI: 00007fa531d14670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fffce6d1d54 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fa531d14670 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 83 c3 48 add $0x48,%ebx
3: 49 89 df mov %rbx,%r15
6: 49 c1 ef 03 shr $0x3,%r15
a: 43 80 3c 37 00 cmpb $0x0,(%r15,%r14,1)
f: 74 08 je 0x19
11: 48 89 df mov %rbx,%rdi
14: e8 3b 15 b2 00 call 0xb21554
19: 48 8b 3b mov (%rbx),%rdi
1c: e8 a3 d1 18 00 call 0x18d1c4
21: 85 c0 test %eax,%eax
23: 74 14 je 0x39
25: 43 80 3c 37 00 cmpb $0x0,(%r15,%r14,1)
* 2a: 74 08 je 0x34 <-- trapping instruction
2c: 48 89 df mov %rbx,%rdi
2f: e8 20 15 b2 00 call 0xb21554
34: 48 8b 03 mov (%rbx),%rax
37: eb 02 jmp 0x3b
39: 31 c0 xor %eax,%eax
3b: 5b pop %rbx
3c: 41 5e pop %r14
3e: 41 5f pop %r15