------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci2
WARNING: kernel/workqueue.c:2251 at __queue_work+0xc9d/0x10e0 kernel/workqueue.c:2250, CPU#0: syz-executor/5940
Modules linked in:
CPU: 0 UID: 0 PID: 5940 Comm: syz-executor Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__queue_work+0xca1/0x10e0 kernel/workqueue.c:2250
Code: 78 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 0c 04 00 00 48 8d 3d f3 90 07 0f 48 8b 75 18 <67> 48 0f b9 3a e9 90 f7 ff ff e8 d0 11 3a 00 90 0f 0b 90 e9 15 f6
RSP: 0018:ffffc90000007be8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff11009417951
RDX: ffff8880487c4178 RSI: ffffffff8a68d660 RDI: ffffffff908bd7d0
RBP: ffff88804a0bca70 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: ffff888023718b30 R12: 1ffff92000000f8f
R13: ffffffff81845820 R14: 0000000080000100 R15: ffff8880487c4000
FS: 0000000000000000(0000) GS:ffff8880976fc000(0063) knlGS:00000000574b1440
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7427250 CR3: 000000002926a000 CR4: 0000000000352ef0
Call Trace:
call_timer_fn+0x19a/0x5a0 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1794 [inline]
__run_timers+0x569/0xae0 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/0x40 kernel/time/timer.c:2404
handle_softirqs+0x219/0x950 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:56 [inline]
RIP: 0010:stack_access_ok+0x53/0x200 arch/x86/kernel/unwind_orc.c:409
Code: 83 ec 08 80 3c 02 00 0f 85 94 01 00 00 4c 8d 6b 10 4c 8b 7b 08 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 80 3c 02 00 <0f> 85 52 01 00 00 48 89 da 48 8b 4b 10 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc90003f86b58 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc90003f86c08 RCX: ffffffff912e75cc
RDX: 1ffff920007f0d83 RSI: ffffc90003f87568 RDI: ffffc90003f86c08
RBP: ffffc90003f87568 R08: 0000000000000001 R09: 0000000088be6a78
R10: 0000000000000002 R11: 00000000000115ba R12: 0000000000000008
R13: ffffc90003f86c18 R14: ffffc90003f86c10 R15: ffffc90003f80000
deref_stack_reg arch/x86/kernel/unwind_orc.c:419 [inline]
unwind_next_frame+0x1509/0x20b0 arch/x86/kernel/unwind_orc.c:663
arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_stack+0x160/0x1f0 mm/page_owner.c:165
__set_page_owner+0x91/0x560 mm/page_owner.c:341
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1af/0x220 mm/page_alloc.c:1846
prep_new_page mm/page_alloc.c:1854 [inline]
get_page_from_freelist+0xd0b/0x31a0 mm/page_alloc.c:3915
__alloc_frozen_pages_noprof+0x25f/0x2430 mm/page_alloc.c:5210
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2486
alloc_frozen_pages_noprof mm/mempolicy.c:2557 [inline]
alloc_pages_noprof+0x131/0x390 mm/mempolicy.c:2577
get_free_pages_noprof+0x10/0xb0 mm/page_alloc.c:5269
__kasan_populate_vmalloc_do mm/kasan/shadow.c:364 [inline]
__kasan_populate_vmalloc+0xa0/0x220 mm/kasan/shadow.c:424
kasan_populate_vmalloc include/linux/kasan.h:579 [inline]
alloc_vmap_area+0x98d/0x2a50 mm/vmalloc.c:2124
__get_vm_area_node+0x1ca/0x330 mm/vmalloc.c:3219
__vmalloc_node_range_noprof+0x247/0x16b0 mm/vmalloc.c:4011
__vmalloc_node_noprof+0xad/0xf0 mm/vmalloc.c:4111
xt_compat_init_offsets+0xe6/0x1f0 net/netfilter/x_tables.c:733
compat_table_info+0xb7/0x5f0 net/ipv6/netfilter/ip6_tables.c:950
compat_get_entries+0x211/0x860 net/ipv6/netfilter/ip6_tables.c:1611
do_ip6t_get_ctl+0x51f/0xa50 net/ipv6/netfilter/ip6_tables.c:1674
nf_getsockopt+0x7c/0xe0 net/netfilter/nf_sockopt.c:116
ipv6_getsockopt+0x1f7/0x280 net/ipv6/ipv6_sockglue.c:1473
tcp_getsockopt+0xa1/0x100 net/ipv4/tcp.c:4834
do_sock_getsockopt+0x324/0x410 net/socket.c:2383
__sys_getsockopt+0x123/0x1b0 net/socket.c:2412
__do_compat_sys_socketcall net/compat.c:494 [inline]
__se_compat_sys_socketcall net/compat.c:423 [inline]
__ia32_compat_sys_socketcall+0x4ba/0x780 net/compat.c:423
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0xe8/0x680 arch/x86/entry/syscall_32.c:307
do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:332
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f97579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000ffe7ead0 EFLAGS: 00000282 ORIG_RAX: 0000000000000066
RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00000000ffe7eb08
RDX: 00000000ffe7eb84 RSI: 00000000ffe7ebdc RDI: 00000000f7426ff4
RBP: 00000000f7428ba0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 78 01 js 0x3
2: 00 00 add %al,(%rax)
4: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
b: fc ff df
e: 48 89 f9 mov %rdi,%rcx
11: 48 c1 e9 03 shr $0x3,%rcx
15: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1)
19: 0f 85 0c 04 00 00 jne 0x42b
1f: 48 8d 3d f3 90 07 0f lea 0xf0790f3(%rip),%rdi # 0xf079119
26: 48 8b 75 18 mov 0x18(%rbp),%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: e9 90 f7 ff ff jmp 0xfffff7c4
34: e8 d0 11 3a 00 call 0x3a1209
39: 90 nop
3a: 0f 0b ud2
3c: 90 nop
3d: e9 .byte 0xe9
3e: 15 .byte 0x15
3f: f6 .byte 0xf6