------------[ cut here ]------------ WARNING: CPU: 0 PID: 6191 at kernel/time/posix-timers.c:849 timer_wait_running+0x22c/0x260 kernel/time/posix-timers.c:849 Modules linked in: CPU: 0 PID: 6191 Comm: syz-executor.4 Not tainted 5.10.161 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:timer_wait_running+0x22c/0x260 kernel/time/posix-timers.c:849 Code: 00 48 c7 c2 e0 89 48 84 be 8c 02 00 00 48 c7 c7 40 8a 48 84 c6 05 8d f9 31 04 01 e8 2b 0b a1 02 e9 86 fe ff ff e8 34 6f 0d 00 <0f> 0b e9 e0 fe ff ff e8 d8 19 39 00 e9 27 fe ff ff e8 de 19 39 00 RSP: 0018:ffff8880359ffe88 EFLAGS: 00010212 RAX: 0000000000000046 RBX: 0000000000000000 RCX: ffffc90003208000 RDX: 0000000000040000 RSI: ffffffff8132bfac RDI: ffffffff84489658 RBP: ffff88803bfec000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880359ffed8 R13: 0000000000000000 R14: ffffffff844895e0 R15: 0000000000000000 FS: 00007f8f64c3a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f64c3a718 CR3: 0000000040246000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: __do_sys_timer_delete kernel/time/posix-timers.c:1017 [inline] __se_sys_timer_delete kernel/time/posix-timers.c:1004 [inline] __x64_sys_timer_delete+0x2c8/0x350 kernel/time/posix-timers.c:1004 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f8f676e5b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8f64c3a188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e2 RAX: ffffffffffffffda RBX: 00007f8f677f9020 RCX: 00007f8f676e5b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f8f6773ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5a12949f R14: 00007f8f64c3a300 R15: 0000000000022000 irq event stamp: 541 hardirqs last enabled at (551): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2561 hardirqs last disabled at (560): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2476 softirqs last enabled at (292): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (287): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace c5a4fdb437f45a4d ]--- FAT-fs (loop7): bogus number of reserved sectors FAT-fs (loop7): Can't find a valid FAT filesystem SELinux: Context I[,`Y !'0V υ{ ƈOD@t|L Ddu1CbU m95a-]~EW/: bS%MΧ is not valid (left unmapped). audit: type=1400 audit(1672981910.046:13): avc: denied { relabelto } for pid=6203 comm="syz-executor.0" name="NETLINK" dev="sockfs" ino=18624 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=netlink_route_socket permissive=1 trawcon=EA49C5EE5B2C7F1584605920CEC9CA2127307F9556F5A111110F9209CF857B81C20ACFC688144F83440640747C4CBA0C87446475A2311AA0D7436255FE8B0CB99092E7B56D39A7D0356187F02D18F6E65D85B67E9F45572F3ACA1720CBC3EE6253259B4DBBCEA7 FAT-fs (loop7): Unrecognized mount option "./file1" or missing value