Warning: Permanently added '10.128.0.65' (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)[ 19.593074][ T22] audit: type=1400 audit(1610917824.610:8): avc: denied { execmem } for pid=357 comm="syz-executor629" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 19.620110][ T359] incfs: Can't find or create .index dir in ./file0 [ 19.627811][ T359] BUG: Dentry 0000000027ff9616{i=0,n=.index} still in use (1) [unmount of sysfs sysfs] [ 19.637588][ T359] ------------[ cut here ]------------ [ 19.643070][ T359] WARNING: CPU: 0 PID: 359 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 19.651394][ T359] Kernel panic - not syncing: panic_on_warn set ... [ 19.657959][ T359] CPU: 0 PID: 359 Comm: syz-executor629 Not tainted 5.4.89-syzkaller-00264-gdc04463953b2 #0 [ 19.667981][ T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.678004][ T359] Call Trace: [ 19.681292][ T359] dump_stack+0x1dd/0x24e [ 19.685602][ T359] ? devkmsg_release+0x11c/0x11c [ 19.690508][ T359] ? show_regs_print_info+0x12/0x12 [ 19.695672][ T359] ? vprintk_store+0x690/0x690 [ 19.700399][ T359] ? console_trylock+0x166/0x1c0 [ 19.705300][ T359] ? umount_check+0x100/0x1c0 [ 19.709946][ T359] ? umount_check+0x100/0x1c0 [ 19.714593][ T359] panic+0x285/0x750 [ 19.718455][ T359] ? __warn+0xfa/0x200 [ 19.722510][ T359] ? nmi_panic+0x90/0x90 [ 19.726717][ T359] ? devkmsg_release+0x11c/0x11c [ 19.731623][ T359] ? is_valid_bugaddr+0xa0/0x150 [ 19.736523][ T359] ? umount_check+0x179/0x1c0 [ 19.741160][ T359] __warn+0x1fd/0x200 [ 19.745135][ T359] ? umount_check+0x179/0x1c0 [ 19.749794][ T359] report_bug+0x390/0x4d0 [ 19.754089][ T359] ? umount_check+0x179/0x1c0 [ 19.758742][ T359] do_invalid_op+0x6e/0x110 [ 19.763211][ T359] invalid_op+0x1e/0x30 [ 19.767335][ T359] RIP: 0010:umount_check+0x179/0x1c0 [ 19.772600][ T359] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 c3 53 1d 85 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 42 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 [ 19.792173][ T359] RSP: 0018:ffff8881e8cf7a00 EFLAGS: 00010296 [ 19.798201][ T359] RAX: 0000000000000055 RBX: ffffffff8547f4d8 RCX: fa1a1a8c0b467300 [ 19.806136][ T359] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 19.814074][ T359] RBP: ffff8881e8b18420 R08: ffffffff814e4601 R09: ffffed103ee05e08 [ 19.822010][ T359] R10: ffffed103ee05e08 R11: 0000000000000000 R12: dffffc0000000000 [ 19.829948][ T359] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efec6660 [ 19.837892][ T359] ? vprintk_emit+0x3b1/0x500 [ 19.842548][ T359] d_walk+0x2e9/0x570 [ 19.846505][ T359] ? __d_free+0x20/0x20 [ 19.850626][ T359] shrink_dcache_for_umount+0x8a/0x1b0 [ 19.856046][ T359] generic_shutdown_super+0x63/0x2a0 [ 19.861295][ T359] kill_anon_super+0x36/0x60 [ 19.865861][ T359] kernfs_kill_sb+0x120/0x140 [ 19.870506][ T359] sysfs_kill_sb+0x1e/0x30 [ 19.874886][ T359] deactivate_locked_super+0xaf/0x100 [ 19.880223][ T359] deactivate_super+0x1b8/0x280 [ 19.885051][ T359] ? deactivate_locked_super+0x100/0x100 [ 19.890651][ T359] ? dput+0x4ed/0x5e0 [ 19.894598][ T359] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.899674][ T359] ? find_next_bit+0xd8/0x120 [ 19.904325][ T359] cleanup_mnt+0x432/0x4e0 [ 19.908715][ T359] task_work_run+0x176/0x1a0 [ 19.913281][ T359] do_exit+0xcc2/0x2830 [ 19.917404][ T359] ? mm_update_next_owner+0x5d0/0x5d0 [ 19.922754][ T359] ? __up_read+0x6f/0x1b0 [ 19.927047][ T359] ? __down_read+0x210/0x210 [ 19.931604][ T359] ? check_preemption_disabled+0x15a/0x330 [ 19.937376][ T359] ? debug_smp_processor_id+0x20/0x20 [ 19.942724][ T359] do_group_exit+0x155/0x2b0 [ 19.947282][ T359] ? do_user_addr_fault+0x6dd/0xb10 [ 19.952448][ T359] __do_sys_exit_group+0x13/0x20 [ 19.957364][ T359] __se_sys_exit_group+0x10/0x10 [ 19.962264][ T359] __x64_sys_exit_group+0x37/0x40 [ 19.967269][ T359] do_syscall_64+0xcb/0x150 [ 19.971738][ T359] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.977608][ T359] RIP: 0033:0x43f758 [ 19.981490][ T359] Code: Bad RIP value. [ 19.985539][ T359] RSP: 002b:00007ffebd7788e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.993917][ T359] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000043f758 [ 20.001858][ T359] RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 [ 20.009802][ T359] RBP: 00000000004bf710 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 20.017777][ T359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 20.025720][ T359] R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 [ 20.034105][ T359] Kernel Offset: disabled [ 20.038412][ T359] Rebooting in 86400 seconds..