------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci5 WARNING: kernel/workqueue.c:2297 at __queue_work+0xcee/0x1130 kernel/workqueue.c:2296, CPU#3: syz-executor/1685 Modules linked in: CPU: 3 UID: 0 PID: 1685 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 04/01/2014 RIP: 0010:__queue_work+0xcf2/0x1130 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 00 04 00 00 48 8d 3d 92 92 0b 0f 48 8b 75 18 <67> 48 0f b9 3a e9 44 f7 ff ff e8 3f 82 39 00 90 0f 0b 90 e9 cc f5 RSP: 0018:ffffc900006f8bd0 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff1100257594e RDX: ffff888062bb3170 RSI: ffffffff8a7fa420 RDI: ffffffff90da9c20 RBP: ffff888012baca58 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000000 R12: ffff888062bb3000 R13: 1ffff920000df18d R14: ffffffff81cf1aa0 R15: 0000000000000001 FS: 00005555852f4500(0000) GS:ffff8880d6676000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f70857acd58 CR3: 000000003b897000 CR4: 0000000000352ef0 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:vsnprintf+0xfa/0x1240 lib/vsprintf.c:2887 Code: f6 4c 89 eb 48 c7 44 24 28 ff ff ff ff 48 f7 d3 e8 1b 52 81 f6 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 <4c> 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 82 0f 00 00 45 0f b6 26 RSP: 0018:ffffc90005ca7440 EFLAGS: 00000a06 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8b87398d RDX: 1ffffffff18287b8 RSI: ffffffff8b8739c5 RDI: ffff88803cee4a00 RBP: ffffc90005ca7530 R08: 0000000000000007 R09: 000000007fffffff R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90005ca7660 R13: 0000000000000000 R14: ffffffff8c143dc0 R15: 1ffff92000b94e94 tomoyo_supervisor+0x122/0x1340 security/tomoyo/common.c:2204 tomoyo_audit_path_log security/tomoyo/file.c:169 [inline] tomoyo_path_permission security/tomoyo/file.c:592 [inline] tomoyo_path_permission+0x270/0x3b0 security/tomoyo/file.c:577 tomoyo_check_open_permission+0x37f/0x3c0 security/tomoyo/file.c:782 tomoyo_file_open+0x6b/0x90 security/tomoyo/tomoyo.c:334 security_file_open+0xb5/0x1e0 security/security.c:2739 do_dentry_open+0x5aa/0x1660 fs/open.c:924 vfs_open+0x82/0x3f0 fs/open.c:1079 do_open fs/namei.c:4699 [inline] path_openat+0x208c/0x31a0 fs/namei.c:4858 do_file_open+0x20e/0x430 fs/namei.c:4887 do_sys_openat2+0x10d/0x1e0 fs/open.c:1364 do_sys_open fs/open.c:1370 [inline] __do_sys_openat fs/open.c:1386 [inline] __se_sys_openat fs/open.c:1381 [inline] __x64_sys_openat+0x12d/0x210 fs/open.c:1381 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5b5695d60e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007ffc85cf1798 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00005555852f4500 RCX: 00007f5b5695d60e RDX: 0000000000000000 RSI: 00007ffc85cf1900 RDI: ffffffffffffff9c RBP: 00007ffc85cf1900 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc85cf2990 R13: 00007f5b56a32120 R14: 00005555852f44e8 R15: 0000000000000005 ---------------- 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 00 04 00 00 jne 0x41f 1f: 48 8d 3d 92 92 0b 0f lea 0xf0b9292(%rip),%rdi # 0xf0b92b8 26: 48 8b 75 18 mov 0x18(%rbp),%rsi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 44 f7 ff ff jmp 0xfffff778 34: e8 3f 82 39 00 call 0x398278 39: 90 nop 3a: 0f 0b ud2 3c: 90 nop 3d: e9 .byte 0xe9 3e: cc int3 3f: f5 cmc