Starting OpenBSD Secure Shell server...
         Starting Permit User Sessions...
[  OK  ] Started Permit User Sessions.
[  OK  ] Started Getty on tty5.
[  OK  ] Started Getty on tty3.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Getty on tty6.
[  OK  ] Started Getty on tty2.
[  OK  ] Started Getty on tty4.
[  OK  ] Started OpenBSD Secure Shell server.
Warning: Permanently added '10.128.10.25' (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 (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 (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)[   20.360362][   T22] audit: type=1400 audit(1632808537.443:8): avc:  denied  { execmem } for  pid=341 comm="syz-executor078" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   20.392795][  T344] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[   20.402926][  T344] EXT4-fs error (device loop0): __ext4_new_inode:930: comm syz-executor078: reserved inode found cleared - inode=1
[   20.415694][  T344] incfs: Can't find or create .index dir in ./file0
[   20.424494][  T348] BUG: Dentry ffff8881ec931110{i=0,n=.index}  still in use (1) [unmount of ext4 loop0]
[   20.434425][  T348] ------------[ cut here ]------------
[   20.439921][  T348] WARNING: CPU: 0 PID: 348 at fs/dcache.c:1597 umount_check+0x179/0x1c0
[   20.448209][  T348] Modules linked in:
[   20.452101][  T348] CPU: 0 PID: 348 Comm: syz-executor078 Not tainted 5.4.125-syzkaller-00011-gd52ac987ad2a #0
[   20.462309][  T348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   20.472340][  T348] RIP: 0010:umount_check+0x179/0x1c0
[   20.477594][  T348] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 a0 0a e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 a2 af 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
[   20.497438][  T348] RSP: 0018:ffff8881dadb7738 EFLAGS: 00010282
[   20.503489][  T348] RAX: 0000000000000054 RBX: ffffffff85faa1c0 RCX: 048f64a4718d4e00
[   20.511431][  T348] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[   20.519382][  T348] RBP: ffff8881e6cba420 R08: ffffffff814e90d7 R09: ffffed103edc9608
[   20.527319][  T348] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000
[   20.535257][  T348] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ec931110
[   20.543199][  T348] FS:  00007f83025df700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   20.552092][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.558642][  T348] CR2: 00007f83026a4158 CR3: 0000000005e0e000 CR4: 00000000003406f0
[   20.566586][  T348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.574526][  T348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.582465][  T348] Call Trace:
[   20.585748][  T348]  d_walk+0x2d9/0x540
[   20.589698][  T348]  ? __d_free+0x20/0x20
[   20.593819][  T348]  shrink_dcache_for_umount+0x8a/0x1a0
[   20.599243][  T348]  generic_shutdown_super+0x63/0x2a0
[   20.604507][  T348]  kill_block_super+0x79/0xd0
[   20.609182][  T348]  deactivate_locked_super+0xaf/0x100
[   20.614529][  T348]  deactivate_super+0x1b3/0x270
[   20.619350][  T348]  ? deactivate_locked_super+0x100/0x100
[   20.624948][  T348]  ? dput+0x4de/0x5d0
[   20.628898][  T348]  ? _raw_spin_lock_irq+0xa4/0x1b0
[   20.634585][  T348]  ? find_next_bit+0xc6/0x110
[   20.639228][  T348]  cleanup_mnt+0x432/0x4e0
[   20.643629][  T348]  task_work_run+0x186/0x1b0
[   20.643643][  T348]  do_exit+0xcb9/0x2bf0
[   20.652333][  T348]  ? mm_update_next_owner+0x5c0/0x5c0
[   20.657706][  T348]  ? _raw_spin_lock_irq+0xa4/0x1b0
[   20.662912][  T348]  ? _raw_spin_lock_irqsave+0x210/0x210
[   20.668448][  T348]  do_group_exit+0x15c/0x2c0
[   20.673020][  T348]  get_signal+0x164f/0x1fc0
[   20.677838][  T348]  ? ptrace_notify+0x340/0x340
[   20.682674][  T348]  ? check_preemption_disabled+0x154/0x330
[[   20.688574][  T348]  do_signal+0x8d/0x610
[   20.692796][  T348]  ? signal_fault+0x1e0/0x1e0
     *[0[   20.697464][  T348]  ? __x64_sys_futex+0x1d/0xf0
[   20.703595][  T348]  prepare_exit_to_usermode+0x207/0x310
m] [   20.709561][  T348]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   20.715692][  T348] RIP: 0033:0x7f8302653239
[   20.720096][  T348] Code: Bad RIP value.
[   20.724141][  T348] RSP: 002b:00007f83025df2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[   20.732555][  T348] RAX: fffffffffffffe00 RBX: 00007f83026d83f0 RCX: 00007f8302653239
[   20.740519][  T348] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f83026d83f8
[   20.748506][  T348] RBP: 00007f83026d83fc R08: 0000000000000000 R09: 0000000000000000
A start job is r[   20.756459][  T348] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
[   20.765846][  T348] R13: e5d26e84aa4cf3c6 R14: 6e656d6572636e69 R15: 00007f83026d83f8
[   20.773827][  T348] ---[ end trace 5376bb9c5790ef43 ]---
unning for dev-ttyS0.device (13s / 1min 30s)[   20.788232][  T348] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds.  Have a nice day...