Starting Permit User Sessions...
         Starting OpenBSD Secure Shell server...
[  OK  ] Started Permit User Sessions.
[  OK  ] Started Getty on tty3.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Getty on tty4.
[  OK  ] Started Getty on tty2.
[  OK  ] Started Getty on tty5.
[  OK  ] Started Getty on tty6.
[  OK  ] Started OpenBSD Secure Shell server.
Warning: Permanently added '10.128.0.112' (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)[   19.809096][   T22] audit: type=1400 audit(1633856992.908:8): avc:  denied  { execmem } for  pid=335 comm="syz-executor410" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   19.841117][  T337] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[   19.850650][  T337] EXT4-fs error (device loop0): __ext4_new_inode:930: comm syz-executor410: reserved inode found cleared - inode=1
[   19.863253][  T337] incfs: Can't find or create .index dir in ./file0
[   19.870613][  T337] BUG: Dentry ffff8881ecbe5880{i=0,n=.index}  still in use (1) [unmount of ext4 loop0]
[   19.880308][  T337] ------------[ cut here ]------------
[   19.885754][  T337] WARNING: CPU: 0 PID: 337 at fs/dcache.c:1597 umount_check+0x179/0x1c0
[   19.894093][  T337] Modules linked in:
[   19.897958][  T337] CPU: 0 PID: 337 Comm: syz-executor410 Not tainted 5.4.125-syzkaller-00026-g23c18f1ad0fc #0
[   19.908065][  T337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   19.918094][  T337] RIP: 0010:umount_check+0x179/0x1c0
[   19.923377][  T337] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 08 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 07 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
[   19.942949][  T337] RSP: 0018:ffff8881e5087a58 EFLAGS: 00010282
[   19.948980][  T337] RAX: 0000000000000054 RBX: ffffffff85faa1c0 RCX: f7caab3953bba900
[   19.956921][  T337] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[   19.964858][  T337] RBP: ffff8881e5869420 R08: ffffffff814e90e7 R09: ffffed103edc9608
[   19.972816][  T337] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000
[   19.972821][  T337] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecbe5880
[   19.972827][  T337] FS:  000055555737a300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   19.972837][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.004264][  T337] CR2: 00007f061b87f1d0 CR3: 0000000005e0e000 CR4: 00000000003406f0
[   20.012216][  T337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   20.020268][  T337] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   20.028219][  T337] Call Trace:
[[   20.031493][  T337]  d_walk+0x2d9/0x540
[   20.035881][  T337]  ? __d_free+0x20/0x20
[   20.040037][  T337]  shrink_dcache_for_umount+0x8a/0x1a0
[   20.045481][  T337]  generic_shutdown_super+0x63/0x2a0
[   20.050754][  T337]  kill_block_super+0x79/0xd0
[   20.055416][  T337]  deactivate_locked_super+0xaf/0x100
[   20.060769][  T337]  deactivate_super+0x1b3/0x270
   *[0;1[   20.065595][  T337]  ? deactivate_locked_super+0x100/0x100
[   20.072665][  T337]  ? dput+0x4de/0x5d0
;31m*[   20.076639][  T337]  ? _raw_spin_lock_irq+0xa4/0x1b0
[   20.083107][  T337]  ? find_next_bit+0xc6/0x110
*] [   20.087761][  T337]  cleanup_mnt+0x432/0x4e0
[   20.092750][  T337]  task_work_run+0x186/0x1b0
[   20.097325][  T337]  do_exit+0xcb9/0x2bf0
[   20.101461][  T337]  ? mm_update_next_owner+0x5c0/0x5c0
A start job is r[   20.106812][  T337]  ? __up_read+0x6f/0x1b0
[   20.112593][  T337]  ? __down_read+0x210/0x210
unning for dev-t[   20.117157][  T337]  ? check_preemption_disabled+0x154/0x330
[   20.124318][  T337]  ? debug_smp_processor_id+0x20/0x20
[   20.129670][  T337]  do_group_exit+0x15c/0x2c0
tyS0.device (11s[   20.134238][  T337]  ? do_user_addr_fault+0x6b0/0xb40
[   20.140792][  T337]  __do_sys_exit_group+0x13/0x20
 / 1min 30s)[   20.145706][  T337]  __se_sys_exit_group+0x10/0x10
[   20.151650][  T337]  __x64_sys_exit_group+0x37/0x40
[   20.156649][  T337]  do_syscall_64+0xcb/0x1e0
[   20.161127][  T337]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   20.166991][  T337] RIP: 0033:0x7f061b80a0a9
[   20.171378][  T337] Code: Bad RIP value.
[   20.175420][  T337] RSP: 002b:00007ffd824636d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   20.183879][  T337] RAX: ffffffffffffffda RBX: 00007f061b87e330 RCX: 00007f061b80a0a9
[   20.191818][  T337] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   20.199761][  T337] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f061b878e40
[   20.207700][  T337] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f061b87e330
[   20.215646][  T337] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   20.223586][  T337] ---[ end trace 9c4bf196249cd50f ]---
[   20.236029][  T337] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds.  Have a nice day...