------------[ cut here ]------------ WARNING: CPU: 1 PID: 2974 at kernel/workqueue.c:1438 __queue_work+0xe36/0x1200 kernel/workqueue.c:1438 Modules linked in: CPU: 1 PID: 2974 Comm: udevd Not tainted 6.0.0-syzkaller-06475-g4c86114194e6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:__queue_work+0xe36/0x1200 kernel/workqueue.c:1438 Code: e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 e2 bb 79 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 63 6a 2d 00 85 db 75 42 e8 9a 6d 2d 00 <0f> 0b e9 4a f8 ff ff e8 8e 6d 2d 00 0f 0b e9 dc f7 ff ff e8 82 6d RSP: 0018:ffffc900003f8cb8 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000100 RDX: ffff88807c198140 RSI: ffffffff814cd3c6 RDI: 0000000000000005 RBP: ffffc900003f8d70 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000001 R12: ffff8880208ecb30 R13: 1ffff9200007f1a8 R14: ffffffff814d2f20 R15: ffff888073f81800 FS: 00007f557d351840(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01cdbd000 CR3: 000000007c07f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1514 [inline] __run_timers.part.0+0x4a3/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1d0/0x9c8 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:write_comp_data+0x3c/0x90 kernel/kcov.c:229 Code: 01 00 00 49 89 f8 65 48 8b 14 25 80 6f 02 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 bc 15 00 00 85 c0 74 4f 8b 82 98 15 00 00 <83> f8 03 75 44 48 8b 82 a0 15 00 00 8b 92 9c 15 00 00 48 8b 38 48 RSP: 0018:ffffc9000346f2b0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffffffff8423a46e RDX: ffff88807c198140 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc9000346f3d0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000020 R11: 000000000008c07c R12: 000000000000001b R13: ffffffff8a43118a R14: 1ffff9200068de5a R15: 0000000000000020 format_decode+0x12e/0xad0 lib/vsprintf.c:2529 vsnprintf+0x155/0x14f0 lib/vsprintf.c:2747 tomoyo_supervisor+0xff/0xf10 security/tomoyo/common.c:2060 tomoyo_audit_path_number_log security/tomoyo/file.c:235 [inline] tomoyo_path_number_perm+0x3eb/0x550 security/tomoyo/file.c:734 tomoyo_path_mknod+0x10d/0x190 security/tomoyo/tomoyo.c:239 security_path_mknod+0xf9/0x170 security/security.c:1150 may_o_create fs/namei.c:3235 [inline] lookup_open.isra.0+0x49f/0x12a0 fs/namei.c:3376 open_last_lookups fs/namei.c:3481 [inline] path_openat+0x996/0x28f0 fs/namei.c:3688 do_filp_open+0x1b6/0x400 fs/namei.c:3718 do_sys_openat2+0x16d/0x4c0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1337 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f557cf25697 Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f RSP: 002b:00007ffd7ef69d10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000556df9690040 RCX: 00007f557cf25697 RDX: 0000000000080141 RSI: 0000556df96730d8 RDI: 00000000ffffff9c RBP: 0000556df96730d8 R08: 00000000ffffffff R09: 0000000000000000 R10: 00000000000001a4 R11: 0000000000000246 R12: 0000000000080141 R13: ffffffffffffffff R14: 00000000ffffffff R15: 00000000ffffffff ---------------- Code disassembly (best guess): 0: 01 00 add %eax,(%rax) 2: 00 49 89 add %cl,-0x77(%rcx) 5: f8 clc 6: 65 48 8b 14 25 80 6f mov %gs:0x26f80,%rdx d: 02 00 f: a9 00 01 ff 00 test $0xff0100,%eax 14: 74 0e je 0x24 16: 85 f6 test %esi,%esi 18: 74 59 je 0x73 1a: 8b 82 bc 15 00 00 mov 0x15bc(%rdx),%eax 20: 85 c0 test %eax,%eax 22: 74 4f je 0x73 24: 8b 82 98 15 00 00 mov 0x1598(%rdx),%eax * 2a: 83 f8 03 cmp $0x3,%eax <-- trapping instruction 2d: 75 44 jne 0x73 2f: 48 8b 82 a0 15 00 00 mov 0x15a0(%rdx),%rax 36: 8b 92 9c 15 00 00 mov 0x159c(%rdx),%edx 3c: 48 8b 38 mov (%rax),%rdi 3f: 48 rex.W