[  OK  ] Started Getty on tty4.
[  OK  ] Started Getty on tty1.
[  OK  ] Started Getty on tty3.
[  OK  ] Started Getty on tty2.
[  OK  ] Started OpenBSD Secure Shell server.
Warning: Permanently added '10.128.1.11' (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)[     *] 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 (16s / 1min 30s)[   22.876886][   T22] audit: type=1400 audit(1631510096.834:8): avc:  denied  { execmem } for  pid=347 comm="syz-executor532" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   22.910093][  T350] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[   22.920348][  T350] EXT4-fs error (device loop0): __ext4_new_inode:930: comm syz-executor532: reserved inode found cleared - inode=1
[   22.932698][  T350] incfs: Can't find or create .index dir in ./file0
[   22.940887][  T350] BUG: Dentry ffff8881ecb62aa0{i=0,n=.index}  still in use (1) [unmount of ext4 loop0]
[   22.950543][  T350] ------------[ cut here ]------------
[   22.955974][  T350] WARNING: CPU: 0 PID: 350 at fs/dcache.c:1597 umount_check+0x179/0x1c0
[   22.964343][  T350] Modules linked in:
[   22.968215][  T350] CPU: 0 PID: 350 Comm: syz-executor532 Not tainted 5.4.125-syzkaller-00017-g8670e680e307 #0
[   22.978331][  T350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   22.988391][  T350] RIP: 0010:umount_check+0x179/0x1c0
[   22.993643][  T350] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 0c 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
[   23.013221][  T350] RSP: 0018:ffff8881e54e7738 EFLAGS: 00010282
[   23.019432][  T350] RAX: 0000000000000054 RBX: ffffffff85faa1c0 RCX: feec301fe478ef00
[   23.027379][  T350] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[   23.035350][  T350] RBP: ffff8881ee354420 R08: ffffffff814e90d7 R09: ffffed103edc9608
[   23.043380][  T350] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000
[   23.051326][  T350] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecb62aa0
[   23.059270][  T350] FS:  00007fb7d6d38700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   23.068167][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.074816][  T350] CR2: 00000000004d15c0 CR3: 0000000005e0e000 CR4: 00000000001406f0
[   23.082845][  T350] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.090875][  T350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.098826][  T350] Call Trace:
[   23.102092][  T350]  d_walk+0x2d9/0x540
[   23.106047][  T350]  ? __d_free+0x20/0x20
[   23.110169][  T350]  shrink_dcache_for_umount+0x8a/0x1a0
[   23.115692][  T350]  generic_shutdown_super+0x63/0x2a0
[   23.120959][  T350]  kill_block_super+0x79/0xd0
[   23.125604][  T350]  deactivate_locked_super+0xaf/0x100
[   23.130942][  T350]  deactivate_super+0x1b3/0x270
[   23.135771][  T350]  ? deactivate_locked_super+0x100/0x100
[   23.141374][  T350]  ? dput+0x4de/0x5d0
[   23.145332][  T350]  ? _raw_spin_lock_irq+0xa4/0x1b0
[   23.150419][  T350]  ? find_next_bit+0xc6/0x110
[   23.155070][  T350]  cleanup_mnt+0x432/0x4e0
[   23.159465][  T350]  task_work_run+0x186/0x1b0
[   23.164044][  T350]  do_exit+0xcb9/0x2bf0
[   23.164054][  T350]  ? mm_update_next_owner+0x5c0/0x5c0
[   23.164068][  T350]  ? debug_smp_processor_id+0x20/0x20
[   23.178883][  T350]  ? stack_trace_snprint+0x150/0x150
[   23.184175][  T350]  ? _raw_spin_lock_irq+0xa4/0x1b0
[   23.189285][  T350]  ? _raw_spin_lock_irqsave+0x210/0x210
[   23.194811][  T350]  do_group_exit+0x15c/0x2c0
[   23.199726][  T350]  get_signal+0x164f/0x1fc0
[[   23.204222][  T350]  ? ptrace_notify+0x340/0x340
[   23.209042][  T350]  ? check_preemption_disabled+0x154/0x330
[   23.214835][  T350]  do_signal+0x8d/0x610
[   23.218991][  T350]  ? kfree+0xe0/0x660
*[[   23.222954][  T350]  ? signal_fault+0x1e0/0x1e0
[   23.228990][  T350]  ? ksys_mount+0xe0/0xf0
0;31m*    ] [   23.233302][  T350]  ? __x64_sys_futex+0x1d/0xf0
[   23.239418][  T350]  prepare_exit_to_usermode+0x207/0x310
[   23.244963][  T350]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   23.250839][  T350] RIP: 0033:0x44a109
[   23.254750][  T350] Code: Bad RIP value.
A start job is r[   23.258886][  T350] RSP: 002b:00007fb7d6d382f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[   23.268749][  T350] RAX: fffffffffffffe00 RBX: 00000000004cb400 RCX: 000000000044a109
[   23.276729][  T350] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004cb408
[   23.284858][  T350] RBP: 00000000004cb40c R08: 0000000000000000 R09: 0000000000000000
[   23.292812][  T350] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
unning for dev-t[   23.300767][  T350] R13: e5d26e84aa4cf3c6 R14: 6e656d6572636e69 R15: 00000000004cb408
[   23.310111][  T350] ---[ end trace 74119ba6cb61ef36 ]---
tyS0.device (16s / 1min 30s)[   23.318296][  T350] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds.  Have a nice day...