Starting OpenBSD Secure Shell server... Starting Permit User Sessions... [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty1. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.20' (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 (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)[ 19.184569][ T22] audit: type=1400 audit(1610374276.179:8): avc: denied { execmem } for pid=357 comm="syz-executor717" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 19.211201][ T360] incfs: Can't find or create .incomplete dir in ./file0 [ 19.218924][ T360] BUG: Dentry 00000000e5235221{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 19.229007][ T360] ------------[ cut here ]------------ [ 19.234448][ T360] WARNING: CPU: 0 PID: 360 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 19.242752][ T360] Kernel panic - not syncing: panic_on_warn set ... [ 19.249312][ T360] CPU: 0 PID: 360 Comm: syz-executor717 Not tainted 5.4.88-syzkaller-00116-gc9951e5d80dd #0 [ 19.259343][ T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.269367][ T360] Call Trace: [ 19.272628][ T360] dump_stack+0x1dd/0x24e [ 19.276919][ T360] ? devkmsg_release+0x11c/0x11c [ 19.281822][ T360] ? show_regs_print_info+0x12/0x12 [ 19.287016][ T360] ? vprintk_store+0x690/0x690 [ 19.291760][ T360] ? console_trylock+0x166/0x1c0 [ 19.296659][ T360] ? umount_check+0x130/0x1c0 [ 19.301318][ T360] ? umount_check+0x130/0x1c0 [ 19.305958][ T360] panic+0x285/0x750 [ 19.309815][ T360] ? __warn+0xfa/0x200 [ 19.313843][ T360] ? nmi_panic+0x90/0x90 [ 19.318048][ T360] ? devkmsg_release+0x11c/0x11c [ 19.322959][ T360] ? is_valid_bugaddr+0xa0/0x150 [ 19.327859][ T360] ? umount_check+0x179/0x1c0 [ 19.332505][ T360] __warn+0x1fd/0x200 [ 19.336451][ T360] ? umount_check+0x179/0x1c0 [ 19.341096][ T360] report_bug+0x390/0x4d0 [ 19.345389][ T360] ? umount_check+0x179/0x1c0 [ 19.350029][ T360] do_invalid_op+0x6e/0x110 [ 19.354495][ T360] invalid_op+0x1e/0x30 [ 19.358615][ T360] RIP: 0010:umount_check+0x179/0x1c0 [ 19.363863][ T360] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 c3 48 1d 85 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 4e 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 [ 19.383438][ T360] RSP: 0018:ffff8881e86bf700 EFLAGS: 00010296 [ 19.389475][ T360] RAX: 0000000000000059 RBX: ffffffff8548cd70 RCX: 5a721d94bec14000 [ 19.397411][ T360] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 19.405347][ T360] RBP: ffff8881e8460420 R08: ffffffff814e3ed1 R09: ffffed103ee05e08 [ 19.413306][ T360] R10: ffffed103ee05e08 R11: 0000000000000000 R12: dffffc0000000000 [ 19.421270][ T360] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881eff79110 [ 19.429247][ T360] ? vprintk_emit+0x3b1/0x500 [ 19.433979][ T360] d_walk+0x2e9/0x570 [ 19.437948][ T360] ? __d_free+0x20/0x20 [ 19.442087][ T360] shrink_dcache_for_umount+0x8a/0x1b0 [ 19.447520][ T360] generic_shutdown_super+0x63/0x2a0 [ 19.452771][ T360] kill_block_super+0x79/0xd0 [ 19.457408][ T360] deactivate_locked_super+0xaf/0x100 [ 19.462751][ T360] deactivate_super+0x1b8/0x280 [ 19.467566][ T360] ? deactivate_locked_super+0x100/0x100 [ 19.473192][ T360] ? dput+0x4ed/0x5e0 [ 19.477144][ T360] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.482230][ T360] ? find_next_bit+0xd8/0x120 [ 19.486872][ T360] cleanup_mnt+0x432/0x4e0 [ 19.491278][ T360] task_work_run+0x176/0x1a0 [ 19.495831][ T360] do_exit+0xcc2/0x2830 [ 19.499956][ T360] ? mm_update_next_owner+0x5d0/0x5d0 [ 19.505291][ T360] ? check_preemption_disabled+0x15a/0x330 [ 19.511066][ T360] ? futex_exit_release+0xc0/0xc0 [ 19.516078][ T360] ? debug_smp_processor_id+0x20/0x20 [ 19.521415][ T360] ? stack_trace_snprint+0x150/0x150 [ 19.526676][ T360] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.531772][ T360] ? _raw_spin_lock_irqsave+0x210/0x210 [ 19.537278][ T360] do_group_exit+0x155/0x2b0 [ 19.541834][ T360] get_signal+0x13ec/0x1f00 [ 19.546304][ T360] ? ptrace_notify+0x340/0x340 [ 19.551030][ T360] do_signal+0x92/0x5d0 [ 19.555150][ T360] ? __se_sys_futex+0x34d/0x470 [ 19.559961][ T360] ? kfree+0x12c/0x660 [ 19.563998][ T360] ? signal_fault+0x1f0/0x1f0 [ 19.568635][ T360] ? ksys_mount+0xe0/0xf0 [ 19.572923][ T360] ? __x64_sys_futex+0x1d/0xf0 [ 19.577650][ T360] prepare_exit_to_usermode+0x207/0x310 [ 19.583345][ T360] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.589212][ T360] RIP: 0033:0x44a1b9 [ 19.593099][ T360] Code: Bad RIP value. [ 19.597127][ T360] RSP: 002b:00007fd6a041dd98 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 19.605527][ T360] RAX: 0000000000000001 RBX: 00000000006dbc28 RCX: 000000000044a1b9 [ 19.613488][ T360] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00000000006dbc2c [ 19.621514][ T360] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 19.629464][ T360] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 19.637399][ T360] R13: 0000000020004002 R14: 00010108005d15cd R15: 66736f646b6d1c60 [ 19.646281][ T360] Kernel Offset: disabled [ 19.650587][ T360] Rebooting in 86400 seconds..