Warning: Permanently added '10.128.1.82' (ECDSA) to the list of known hosts.
executing program
[[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (8s / 1min 30s)[K[[0;1;31m*[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (9s / 1min 30s)[K[[0;31m*[0;1;31m*[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (9s / 1min 30s)[K[ [0;31m*[0;1;31m*[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (10s / 1min 30s)[K[ [0;31m*[0;1;31m*[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (11s / 1min 30s)[K[ [0;31m*[0;1;31m*[0m[0;31m*[0m] A start job is running for dev-ttyS0.device (11s / 1min 30s)[K[ [0;31m*[0;1;31m*[0m] A start job is running for dev-ttyS0.device (12s / 1min 30s)[K[ [0;31m*[0m] A start job is running for dev-ttyS0.device (12s / 1min 30s)[K[ [0;31m*[0;1;31m*[0m] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ 21.103818][ T22] audit: type=1400 audit(1615592338.433:8): avc: denied { execmem } for pid=337 comm="syz-executor067" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 21.132704][ T339] EXT4-fs (loop0): mounting ext2 file system using the ext4 subsystem
[ 21.143847][ T339] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[ 21.153548][ T339] incfs: Can't find or create .index dir in ./file0
[ 21.160831][ T339] BUG: Dentry ffff8881efe71dd0{i=0,n=.index} still in use (1) [unmount of ext2 loop0]
[ 21.170565][ T339] ------------[ cut here ]------------
[ 21.176284][ T339] WARNING: CPU: 1 PID: 339 at fs/dcache.c:1597 umount_check+0x179/0x1c0
[ 21.184579][ T339] Kernel panic - not syncing: panic_on_warn set ...
[ 21.191150][ T339] CPU: 1 PID: 339 Comm: syz-executor067 Not tainted 5.4.105-syzkaller-00495-g11abbf486c2e #0
[ 21.201288][ T339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 21.211344][ T339] Call Trace:
[ 21.214622][ T339] dump_stack+0x1d8/0x24e
[ 21.218975][ T339] ? devkmsg_release+0x11c/0x11c
[ 21.223890][ T339] ? show_regs_print_info+0x12/0x12
[ 21.229178][ T339] ? vprintk_store+0x680/0x680
[ 21.233930][ T339] ? console_trylock+0x166/0x1c0
[ 21.238856][ T339] ? umount_check+0x150/0x1c0
[ 21.243529][ T339] ? umount_check+0x150/0x1c0
[ 21.248198][ T339] panic+0x285/0x740
[ 21.252100][ T339] ? __warn+0xfa/0x200
[ 21.256144][ T339] ? nmi_panic+0x90/0x90
[ 21.260359][ T339] ? devkmsg_release+0x11c/0x11c
[ 21.265270][ T339] ? is_valid_bugaddr+0xa0/0x150
[ 21.270198][ T339] ? umount_check+0x179/0x1c0
[ 21.274857][ T339] __warn+0x1f1/0x200
[ 21.278825][ T339] ? umount_check+0x179/0x1c0
[ 21.283493][ T339] report_bug+0x380/0x4d0
[ 21.287829][ T339] ? umount_check+0x179/0x1c0
[ 21.292495][ T339] do_invalid_op+0x6e/0x110
[ 21.296976][ T339] invalid_op+0x1e/0x30
[ 21.301107][ T339] RIP: 0010:umount_check+0x179/0x1c0
[ 21.306386][ T339] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 e9 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 b7 e9 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
[ 21.325983][ T339] RSP: 0018:ffff8881e9777a58 EFLAGS: 00010282
[ 21.332028][ T339] RAX: 0000000000000054 RBX: ffffffff85fa92e0 RCX: eb03027bcf35db00
[ 21.339978][ T339] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[ 21.347929][ T339] RBP: ffff8881e9b76420 R08: ffffffff814e8047 R09: ffffed103ede5e08
[ 21.355887][ T339] R10: ffffed103ede5e08 R11: 0000000000000000 R12: dffffc0000000000
[ 21.363843][ T339] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efe71dd0
[ 21.371805][ T339] ? vprintk_emit+0x457/0x4c0
[ 21.376464][ T339] d_walk+0x2d9/0x540
[ 21.380429][ T339] ? __d_free+0x20/0x20
[ 21.384560][ T339] shrink_dcache_for_umount+0x8a/0x1a0
[ 21.390014][ T339] generic_shutdown_super+0x63/0x2a0
[ 21.395277][ T339] kill_block_super+0x79/0xd0
[ 21.399934][ T339] deactivate_locked_super+0xaf/0x100
[ 21.405279][ T339] deactivate_super+0x1b3/0x270
[ 21.410104][ T339] ? deactivate_locked_super+0x100/0x100
[ 21.415770][ T339] ? dput+0x4de/0x5d0
[ 21.419731][ T339] ? _raw_spin_lock_irq+0xa4/0x1b0
[ 21.424832][ T339] ? find_next_bit+0xc6/0x110
[ 21.429488][ T339] cleanup_mnt+0x432/0x4e0
[ 21.433885][ T339] task_work_run+0x186/0x1b0
[ 21.438481][ T339] do_exit+0xcb9/0x2bf0
[ 21.442634][ T339] ? mm_update_next_owner+0x5c0/0x5c0
[ 21.447997][ T339] ? __up_read+0x6f/0x1b0
[ 21.452303][ T339] ? __down_read+0x210/0x210
[ 21.456878][ T339] ? check_preemption_disabled+0x154/0x330
[ 21.462702][ T339] ? debug_smp_processor_id+0x20/0x20
[ 21.468074][ T339] do_group_exit+0x15c/0x2c0
[ 21.472651][ T339] ? do_user_addr_fault+0x6b0/0xb40
[ 21.477839][ T339] __do_sys_exit_group+0x13/0x20
[ 21.482760][ T339] __se_sys_exit_group+0x10/0x10
[ 21.487671][ T339] __x64_sys_exit_group+0x37/0x40
[ 21.492671][ T339] do_syscall_64+0xcb/0x1e0
[ 21.497163][ T339] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 21.503224][ T339] RIP: 0033:0x442fa9
[ 21.507108][ T339] Code: Bad RIP value.
[ 21.511149][ T339] RSP: 002b:00007ffc866426f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 21.519555][ T339] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 0000000000442fa9
[ 21.527508][ T339] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 21.535466][ T339] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000004af000
[ 21.543419][ T339] R10: 0000000001004005 R11: 0000000000000246 R12: 00000000004b42f0
[ 21.551385][ T339] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 21.559408][ T339] Kernel Offset: disabled
[ 21.563742][ T339] Rebooting in 86400 seconds..