[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty5. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.172' (ECDSA) to the list of known hosts. executing program [* ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ *] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (13s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (14s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (14s / 1min 30s)[* ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[ 21.992979][ T22] audit: type=1400 audit(1611056039.922:8): avc: denied { execmem } for pid=351 comm="syz-executor934" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 22.021815][ T354] incfs: Can't find or create .incomplete dir in ./file0 [ 22.029679][ T357] incfs: Can't find or create .incomplete dir in ./file0 [ 22.038203][ T354] BUG: Dentry 00000000ce33b616{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 22.048417][ T354] ------------[ cut here ]------------ [ 22.053863][ T354] WARNING: CPU: 1 PID: 354 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.062150][ T354] Kernel panic - not syncing: panic_on_warn set ... [ 22.068746][ T354] CPU: 1 PID: 354 Comm: syz-executor934 Not tainted 5.4.89-syzkaller-00266-g445b69a6f3d9 #0 [ 22.078769][ T354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.088792][ T354] Call Trace: [ 22.092054][ T354] dump_stack+0x1dd/0x24e [ 22.096394][ T354] ? devkmsg_release+0x11c/0x11c [ 22.101303][ T354] ? show_regs_print_info+0x12/0x12 [ 22.106466][ T354] ? vprintk_store+0x690/0x690 [ 22.111202][ T354] ? console_trylock+0x166/0x1c0 [ 22.116103][ T354] ? umount_check+0x110/0x1c0 [ 22.120749][ T354] ? umount_check+0x110/0x1c0 [ 22.125392][ T354] panic+0x285/0x750 [ 22.129296][ T354] ? __warn+0xfa/0x200 [ 22.133331][ T354] ? nmi_panic+0x90/0x90 [ 22.137538][ T354] ? devkmsg_release+0x11c/0x11c [ 22.142449][ T354] ? is_valid_bugaddr+0xa0/0x150 [ 22.147348][ T354] ? umount_check+0x179/0x1c0 [ 22.151987][ T354] __warn+0x1fd/0x200 [ 22.155936][ T354] ? umount_check+0x179/0x1c0 [ 22.160581][ T354] report_bug+0x390/0x4d0 [ 22.164880][ T354] ? umount_check+0x179/0x1c0 [ 22.169521][ T354] do_invalid_op+0x6e/0x110 [ 22.173988][ T354] invalid_op+0x1e/0x30 [ 22.178112][ T354] RIP: 0010:umount_check+0x179/0x1c0 [ 22.183362][ T354] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 03 52 1d 85 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 57 43 b0 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff [ 22.202964][ T354] RSP: 0018:ffff8881e036f700 EFLAGS: 00010296 [ 22.209012][ T354] RAX: 0000000000000059 RBX: ffffffff8548cdb0 RCX: a729c30e7ff26700 [ 22.216957][ T354] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 22.224906][ T354] RBP: ffff8881e91b3420 R08: ffffffff814e4601 R09: ffffed103ee25e08 [ 22.232864][ T354] R10: ffffed103ee25e08 R11: 0000000000000000 R12: dffffc0000000000 [ 22.240806][ T354] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efefb330 [ 22.249640][ T354] ? vprintk_emit+0x3b1/0x500 [ 22.254285][ T354] d_walk+0x2e9/0x570 [ 22.258238][ T354] ? __d_free+0x20/0x20 [ 22.262374][ T354] shrink_dcache_for_umount+0x8a/0x1b0 [ 22.267796][ T354] generic_shutdown_super+0x63/0x2a0 [ 22.273045][ T354] kill_block_super+0x79/0xd0 [ 22.277688][ T354] deactivate_locked_super+0xaf/0x100 [ 22.283024][ T354] deactivate_super+0x1b8/0x280 [ 22.287840][ T354] ? deactivate_locked_super+0x100/0x100 [ 22.293440][ T354] ? dput+0x4ed/0x5e0 [ 22.297390][ T354] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.302467][ T354] ? find_next_bit+0xd8/0x120 [ 22.307109][ T354] cleanup_mnt+0x432/0x4e0 [ 22.311494][ T354] task_work_run+0x176/0x1a0 [ 22.316061][ T354] do_exit+0xcc2/0x2830 [ 22.320198][ T354] ? mm_update_next_owner+0x5d0/0x5d0 [ 22.325543][ T354] ? stack_trace_snprint+0x150/0x150 [ 22.330799][ T354] ? futex_exit_release+0xc0/0xc0 [ 22.335791][ T354] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.340930][ T354] ? _raw_spin_lock_irqsave+0x210/0x210 [ 22.346440][ T354] do_group_exit+0x155/0x2b0 [ 22.350998][ T354] get_signal+0x13ec/0x1f00 [ 22.355468][ T354] ? ptrace_notify+0x340/0x340 [ 22.360220][ T354] do_signal+0x92/0x5d0 [ 22.364375][ T354] ? __se_sys_futex+0x34d/0x470 [ 22.369209][ T354] ? signal_fault+0x1f0/0x1f0 [ 22.373870][ T354] ? __x64_sys_futex+0x1d/0xf0 [ 22.378604][ T354] prepare_exit_to_usermode+0x207/0x310 [ 22.384136][ T354] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.389995][ T354] RIP: 0033:0x44a269 [ 22.393865][ T354] Code: Bad RIP value. [ 22.397916][ T354] RSP: 002b:00007fbd4e59ed98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 22.406306][ T354] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 000000000044a269 [ 22.414256][ T354] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 22.422197][ T354] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 22.430137][ T354] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 22.438091][ T354] R13: 0000000000004002 R14: 0001800200746166 R15: 2e73666b6d903ceb [ 22.446680][ T354] Kernel Offset: disabled [ 22.450995][ T354] Rebooting in 86400 seconds..