Warning: Permanently added '10.128.0.31' (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 (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 (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)[** ] A start job is running for dev-ttyS0.device (16s / 1min 30s)[* ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (19s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (19s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (20s / 1min 30s)[ 27.367397][ T22] audit: type=1400 audit(1608113655.962:8): avc: denied { execmem } for pid=358 comm="syz-executor801" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 27.398495][ T360] incfs: Can't find or create .incomplete dir in ./file0 [ 27.406419][ T360] BUG: Dentry 00000000d65a5e0e{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 27.416613][ T360] ------------[ cut here ]------------ [ 27.422057][ T360] WARNING: CPU: 0 PID: 360 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 27.430351][ T360] Kernel panic - not syncing: panic_on_warn set ... [ 27.436932][ T360] CPU: 0 PID: 360 Comm: syz-executor801 Not tainted 5.4.83-syzkaller-00111-ga741f29f3ed2 #0 [ 27.446963][ T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.457016][ T360] Call Trace: [ 27.460288][ T360] dump_stack+0x1dd/0x24e [ 27.464592][ T360] ? devkmsg_release+0x11c/0x11c [ 27.469524][ T360] ? show_regs_print_info+0x12/0x12 [ 27.474720][ T360] ? vprintk_store+0x690/0x690 [ 27.479461][ T360] ? console_trylock+0x166/0x1c0 [ 27.484373][ T360] ? umount_check+0xb0/0x1c0 [ 27.488946][ T360] ? umount_check+0xb0/0x1c0 [ 27.493510][ T360] panic+0x285/0x750 [ 27.497405][ T360] ? __warn+0xfa/0x200 [ 27.501449][ T360] ? nmi_panic+0x90/0x90 [ 27.505665][ T360] ? devkmsg_release+0x11c/0x11c [ 27.510594][ T360] ? is_valid_bugaddr+0xa0/0x150 [ 27.515526][ T360] ? umount_check+0x179/0x1c0 [ 27.520195][ T360] __warn+0x1fd/0x200 [ 27.524167][ T360] ? umount_check+0x179/0x1c0 [ 27.528832][ T360] report_bug+0x390/0x4d0 [ 27.533153][ T360] ? umount_check+0x179/0x1c0 [ 27.537804][ T360] do_invalid_op+0x6e/0x110 [ 27.542307][ T360] invalid_op+0x1e/0x30 [ 27.546440][ T360] RIP: 0010:umount_check+0x179/0x1c0 [ 27.551712][ T360] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 63 3f 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 [ 27.571306][ T360] RSP: 0018:ffff8881e8befa40 EFLAGS: 00010292 [ 27.577345][ T360] RAX: 0000000000000059 RBX: ffffffff8548cd30 RCX: 96b85625e3f28a00 [ 27.585294][ T360] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 27.597151][ T360] RBP: ffff8881e845c420 R08: ffffffff814e3431 R09: ffffed103ee05e08 [ 27.605104][ T360] R10: ffffed103ee05e08 R11: 0000000000000000 R12: dffffc0000000000 [ 27.613069][ T360] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881effdf990 [ 27.621043][ T360] ? vprintk_emit+0x3b1/0x500 [ 27.625699][ T360] d_walk+0x2e9/0x570 [ 27.629655][ T360] ? __d_free+0x20/0x20 [ 27.633802][ T360] shrink_dcache_for_umount+0x8a/0x1b0 [ 27.639234][ T360] generic_shutdown_super+0x63/0x2a0 [ 27.644517][ T360] kill_block_super+0x79/0xd0 [ 27.649170][ T360] deactivate_locked_super+0xaf/0x100 [ 27.654523][ T360] deactivate_super+0x1b8/0x280 [ 27.659368][ T360] ? deactivate_locked_super+0x100/0x100 [ 27.665010][ T360] ? dput+0x4ed/0x5e0 [ 27.668973][ T360] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 27.674071][ T360] ? find_next_bit+0xd8/0x120 [ 27.678735][ T360] cleanup_mnt+0x432/0x4e0 [ 27.683144][ T360] task_work_run+0x176/0x1a0 [ 27.687721][ T360] do_exit+0xcc2/0x2830 [ 27.691860][ T360] ? mm_update_next_owner+0x5d0/0x5d0 [ 27.697225][ T360] ? __up_read+0x6f/0x1b0 [ 27.701554][ T360] ? kfree+0x12c/0x660 [ 27.705601][ T360] ? check_preemption_disabled+0x15a/0x330 [ 27.711405][ T360] ? debug_smp_processor_id+0x20/0x20 [ 27.716768][ T360] do_group_exit+0x155/0x2b0 [ 27.721354][ T360] __do_sys_exit_group+0x13/0x20 [ 27.726294][ T360] __se_sys_exit_group+0x10/0x10 [ 27.731223][ T360] __x64_sys_exit_group+0x37/0x40 [ 27.736238][ T360] do_syscall_64+0xcb/0x150 [ 27.740719][ T360] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.746587][ T360] RIP: 0033:0x443778 [ 27.750480][ T360] Code: Bad RIP value. [ 27.754547][ T360] RSP: 002b:00007ffd8f418d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.762935][ T360] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000443778 [ 27.770895][ T360] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 [ 27.778863][ T360] RBP: 00000000004c3ad0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 27.786829][ T360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 27.794792][ T360] R13: 00000000006d6180 R14: 0000000000000000 R15: 0000000000000000 [ 27.803221][ T360] Kernel Offset: disabled [ 27.807621][ T360] Rebooting in 86400 seconds..