[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty1. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. executing program [* ] 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)[** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[ 24.147585][ T22] audit: type=1400 audit(1609072948.501:8): avc: denied { execmem } for pid=359 comm="syz-executor891" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 24.184613][ T362] incfs: Can't find or create .incomplete dir in ./file0 [ 24.193301][ T365] BUG: Dentry 0000000070fa6426{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 24.203531][ T365] ------------[ cut here ]------------ [ 24.208974][ T365] WARNING: CPU: 1 PID: 365 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 24.217461][ T365] Kernel panic - not syncing: panic_on_warn set ... [ 24.224026][ T365] CPU: 1 PID: 365 Comm: syz-executor891 Not tainted 5.4.85-syzkaller-00188-g8657d5d6282f #0 [ 24.234150][ T365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.244192][ T365] Call Trace: [ 24.247456][ T365] dump_stack+0x1dd/0x24e [ 24.251753][ T365] ? devkmsg_release+0x11c/0x11c [ 24.256658][ T365] ? show_regs_print_info+0x12/0x12 [ 24.261826][ T365] ? vprintk_store+0x690/0x690 [ 24.266572][ T365] ? console_trylock+0x166/0x1c0 [ 24.271499][ T365] ? umount_check+0xc0/0x1c0 [ 24.276054][ T365] ? umount_check+0xc0/0x1c0 [ 24.280632][ T365] panic+0x285/0x750 [ 24.284497][ T365] ? __warn+0xfa/0x200 [ 24.288550][ T365] ? nmi_panic+0x90/0x90 [ 24.292780][ T365] ? devkmsg_release+0x11c/0x11c [ 24.297705][ T365] ? is_valid_bugaddr+0xa0/0x150 [ 24.302609][ T365] ? umount_check+0x179/0x1c0 [ 24.307290][ T365] __warn+0x1fd/0x200 [ 24.311238][ T365] ? umount_check+0x179/0x1c0 [ 24.315883][ T365] report_bug+0x390/0x4d0 [ 24.320195][ T365] ? umount_check+0x179/0x1c0 [ 24.324849][ T365] do_invalid_op+0x6e/0x110 [ 24.329327][ T365] invalid_op+0x1e/0x30 [ 24.333456][ T365] RIP: 0010:umount_check+0x179/0x1c0 [ 24.338724][ T365] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 63 43 1d 85 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 27 54 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 [ 24.358402][ T365] RSP: 0018:ffff8881dfd2f700 EFLAGS: 00010296 [ 24.364435][ T365] RAX: 0000000000000059 RBX: ffffffff8548cd30 RCX: 5ab2b1fe42654e00 [ 24.372652][ T365] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 24.380699][ T365] RBP: ffff8881e9af9420 R08: ffffffff814e3421 R09: ffffed103ee25e08 [ 24.388676][ T365] R10: ffffed103ee25e08 R11: 0000000000000000 R12: dffffc0000000000 [ 24.396620][ T365] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efdeb330 [ 24.404569][ T365] ? vprintk_emit+0x3b1/0x500 [ 24.409216][ T365] d_walk+0x2e9/0x570 [ 24.413166][ T365] ? __d_free+0x20/0x20 [ 24.417308][ T365] shrink_dcache_for_umount+0x8a/0x1b0 [ 24.422735][ T365] generic_shutdown_super+0x63/0x2a0 [ 24.428054][ T365] kill_block_super+0x79/0xd0 [ 24.432704][ T365] deactivate_locked_super+0xaf/0x100 [ 24.438188][ T365] deactivate_super+0x1b8/0x280 [ 24.443032][ T365] ? deactivate_locked_super+0x100/0x100 [ 24.448642][ T365] ? dput+0x4ed/0x5e0 [ 24.452612][ T365] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 24.457696][ T365] ? find_next_bit+0xd8/0x120 [ 24.462350][ T365] cleanup_mnt+0x432/0x4e0 [ 24.466738][ T365] task_work_run+0x176/0x1a0 [ 24.471383][ T365] do_exit+0xcc2/0x2830 [ 24.475533][ T365] ? mm_update_next_owner+0x5d0/0x5d0 [ 24.481063][ T365] ? stack_trace_snprint+0x150/0x150 [ 24.486323][ T365] ? futex_exit_release+0xc0/0xc0 [ 24.491355][ T365] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 24.496439][ T365] ? _raw_spin_lock_irqsave+0x210/0x210 [ 24.501952][ T365] do_group_exit+0x155/0x2b0 [ 24.506511][ T365] get_signal+0x13ec/0x1f00 [ 24.510987][ T365] ? ptrace_notify+0x340/0x340 [ 24.515720][ T365] do_signal+0x92/0x5d0 [ 24.519847][ T365] ? __se_sys_futex+0x34d/0x470 [ 24.524665][ T365] ? signal_fault+0x1f0/0x1f0 [ 24.529330][ T365] ? __x64_sys_futex+0x1d/0xf0 [ 24.534088][ T365] prepare_exit_to_usermode+0x207/0x310 [ 24.539614][ T365] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.545494][ T365] RIP: 0033:0x44a219 [ 24.549383][ T365] Code: Bad RIP value. [ 24.553435][ T365] RSP: 002b:00007f2e989b4d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 24.561816][ T365] RAX: fffffffffffffe00 RBX: 00000000006dbc38 RCX: 000000000044a219 [ 24.569759][ T365] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc38 [ 24.577698][ T365] RBP: 00000000006dbc30 R08: 0000000000000000 R09: 0000000000000000 [ 24.585667][ T365] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 24.593620][ T365] R13: 0000000000004002 R14: 0001800200746166 R15: 2e7366ae5d903ceb [ 24.602395][ T365] Kernel Offset: disabled [ 24.606709][ T365] Rebooting in 86400 seconds..