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workqueue: cannot queue hci_cmd_timeout on wq hci3
WARNING: kernel/workqueue.c:2297 at __queue_work+0xcee/0x1270 kernel/workqueue.c:2296, CPU#0: syz.2.3033/25642
Modules linked in:
CPU: 0 UID: 0 PID: 25642 Comm: syz.2.3033 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__queue_work+0xcf2/0x1270 kernel/workqueue.c:2296
Code: 00 00 00 fc ff df 49 8d 94 24 70 01 00 00 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 3d 05 00 00 48 8d 3d 72 04 0b 0f 48 8b 75 18 <67> 48 0f b9 3a 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03
RSP: 0018:ffffc90000007bd0 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff11008ecc94e
RDX: ffff88807c36c170 RSI: ffffffff8a7eabd0 RDI: ffffffff90da1e80
RBP: ffff888047664a58 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000000 R12: ffff88807c36c000
R13: 1ffff92000000f8d R14: ffffffff81cf1fa0 R15: 0000000000000001
FS: 00007fc390aed6c0(0000) GS:ffff888124383000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 000000005f921000 CR4: 00000000003526f0
DR0: 0000000000000009 DR1: 00000000000000c9 DR2: 00000000000000f3
DR3: 00000000000000c0 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x19a/0x640 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1794 [inline]
__run_timers+0x583/0xaf0 kernel/time/timer.c:2374
__run_timer_base kernel/time/timer.c:2386 [inline]
__run_timer_base kernel/time/timer.c:2378 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2395
run_timer_softirq+0x1a/0x50 kernel/time/timer.c:2405
handle_softirqs+0x1ea/0xa00 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x162/0x210 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1061
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:finish_task_switch.isra.0+0x2d3/0x1010 kernel/sched/core.c:5245
Code: 2f 0a 00 00 41 c7 87 e0 0d 00 00 00 00 00 00 e9 0f 04 00 00 49 8d 7f 48 e8 ea fb b6 09 e8 d5 9e 3b 00 fb 48 8d bb c8 16 00 00 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84
RSP: 0018:ffffc9000f65f100 EFLAGS: 00000202
RAX: 0000000000001025 RBX: ffff8880318fa540 RCX: 0000000000000080
RDX: 0000000000000000 RSI: ffffffff8df0f4f8 RDI: ffff8880318fbc08
RBP: ffffc9000f65f158 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88807c86ca80
R13: 0000000000000001 R14: ffffffff90d742e4 R15: ffff8880b843b280
context_switch kernel/sched/core.c:5391 [inline]
__schedule+0x129d/0x67a0 kernel/sched/core.c:7189
preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7513
irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x205/0x970 kernel/entry/common.c:164
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x54/0x70 kernel/kcov.c:222
Code: e9 11 ec 83 09 8b 82 ec 16 00 00 85 c0 74 f1 8b 82 c8 16 00 00 83 f8 02 75 e6 48 8b 8a d0 16 00 00 8b 92 cc 16 00 00 48 8b 01 <48> 83 c0 01 48 39 d0 73 cd 48 89 01 48 89 34 c1 e9 d7 eb 83 09 0f
RSP: 0018:ffffc9000f65f3e8 EFLAGS: 00000246
RAX: 000000000000b0fa RBX: ffff88801ccc0ad0 RCX: ffffc9000663a000
RDX: 0000000000080000 RSI: ffffffff8280f91e RDI: ffff8880318fa540
RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000002689 R11: 0000000000000000 R12: ffff8880318fa540
R13: 0000000006ea0636 R14: 0000000000002689 R15: 000000000002a689
__update_page_owner_free_handle.isra.0+0x14e/0x4d0 mm/page_owner.c:284
__reset_page_owner+0x93/0x190 mm/page_owner.c:321
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0x794/0x10a0 mm/page_alloc.c:2938
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4570 [inline]
slab_alloc_node mm/slub.c:4899 [inline]
kmem_cache_alloc_noprof+0x241/0x6e0 mm/slub.c:4906
ebitmap_read+0x266/0x8e0 security/selinux/ss/ebitmap.c:425
read_cons_helper+0x4e4/0xa50 security/selinux/ss/policydb.c:1294
class_read+0x381/0x9b0 security/selinux/ss/policydb.c:1375
policydb_read+0x7af/0x3ab0 security/selinux/ss/policydb.c:2588
security_load_policy+0x15c/0x1080 security/selinux/ss/services.c:2325
sel_write_load+0x28f/0x560 security/selinux/selinuxfs.c:570
vfs_write+0x2aa/0x1070 fs/read_write.c:686
ksys_write+0x12a/0x250 fs/read_write.c:740
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc38fb9ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc390aed028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc38fe15fa0 RCX: 00007fc38fb9ce59
RDX: 0000000000011000 RSI: 0000200000000000 RDI: 0000000000000008
RBP: 00007fc38fc32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc38fe16038 R14: 00007fc38fe15fa0 R15: 00007ffd04ef0668
----------------
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 70 and $0x70,%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 3d 05 00 00 jne 0x55c
1f: 48 8d 3d 72 04 0b 0f lea 0xf0b0472(%rip),%rdi # 0xf0b0498
26: 48 8b 75 18 mov 0x18(%rbp),%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
36: fc ff df
39: 48 89 ea mov %rbp,%rdx
3c: 48 c1 ea 03 shr $0x3,%rdx