------------[ cut here ]------------ WARNING: CPU: 1 PID: 2973 at kernel/workqueue.c:1438 __queue_work+0xf70/0x13b0 kernel/workqueue.c:1438 Modules linked in: CPU: 1 PID: 2973 Comm: udevd Not tainted 6.1.0-rc3-syzkaller-00239-g10d916c86eca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__queue_work+0xf70/0x13b0 kernel/workqueue.c:1438 Code: e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 d8 95 79 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 e9 fd 2d 00 85 db 75 42 e8 10 01 2e 00 <0f> 0b e9 7e f7 ff ff e8 04 01 2e 00 0f 0b e9 10 f7 ff ff e8 f8 00 RSP: 0018:ffffc900003e8c98 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000100 RDX: ffff88807b7c4100 RSI: ffffffff814dd370 RDI: 0000000000000005 RBP: ffffc900003e8d60 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000001 R12: ffff8880870ecb30 R13: ffff8880870ecb78 R14: 0000000000000000 R15: ffff88801ea92800 FS: 00007fbfcfa92840(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd547d82058 CR3: 000000007b492000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x1da/0x7c0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1514 [inline] __run_timers.part.0+0x4a3/0xaf0 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+0x1f7/0xad8 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:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:write_comp_data+0x21/0x90 kernel/kcov.c:236 Code: 84 00 00 00 00 00 0f 1f 00 65 8b 05 39 9f 86 7e 49 89 f1 89 c6 49 89 d2 81 e6 00 01 00 00 49 89 f8 65 48 8b 14 25 80 6f 02 00 00 01 ff 00 74 0e 85 f6 74 59 8b 82 8c 15 00 00 85 c0 74 4f 8b RSP: 0018:ffffc90003467868 EFLAGS: 00000246 RAX: 0000000080000000 RBX: 1ffff9200068cf11 RCX: ffffffff83c1619c RDX: ffff88807b7c4100 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000008c07e R12: 0000000000040002 R13: 0000000000000007 R14: 0000000000000000 R15: 000000000000001c avc_audit_required security/selinux/include/avc.h:92 [inline] avc_audit security/selinux/include/avc.h:133 [inline] avc_has_perm+0xdc/0x1b0 security/selinux/avc.c:1193 inode_has_perm+0x19a/0x220 security/selinux/hooks.c:1632 file_path_has_perm security/selinux/hooks.c:1677 [inline] selinux_file_open+0x318/0x400 security/selinux/hooks.c:3922 security_file_open+0x45/0xb0 security/security.c:1648 do_dentry_open+0x575/0x13f0 fs/open.c:869 do_open fs/namei.c:3557 [inline] path_openat+0x1bf6/0x2860 fs/namei.c:3713 do_filp_open+0x1b6/0x400 fs/namei.c:3740 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: 0033:0x7fbfcfb8d697 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:00007ffeaa03c4a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000556e94c08490 RCX: 00007fbfcfb8d697 RDX: 0000000000080000 RSI: 00007ffeaa03c5d8 RDI: 00000000ffffff9c RBP: 00007ffeaa03c5d8 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 0000556e94c08490 R14: 0000000000000001 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 84 00 test %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 00 add %al,(%rax) 6: 0f 1f 00 nopl (%rax) 9: 65 8b 05 39 9f 86 7e mov %gs:0x7e869f39(%rip),%eax # 0x7e869f49 10: 49 89 f1 mov %rsi,%r9 13: 89 c6 mov %eax,%esi 15: 49 89 d2 mov %rdx,%r10 18: 81 e6 00 01 00 00 and $0x100,%esi 1e: 49 89 f8 mov %rdi,%r8 21: 65 48 8b 14 25 80 6f mov %gs:0x26f80,%rdx 28: 02 00 * 2a: a9 00 01 ff 00 test $0xff0100,%eax <-- trapping instruction 2f: 74 0e je 0x3f 31: 85 f6 test %esi,%esi 33: 74 59 je 0x8e 35: 8b 82 8c 15 00 00 mov 0x158c(%rdx),%eax 3b: 85 c0 test %eax,%eax 3d: 74 4f je 0x8e 3f: 8b .byte 0x8b