Starting OpenBSD Secure Shell server... Starting Permit User Sessions... [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts. [* ] 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)[ 18.681344][ T22] audit: type=1400 audit(1626130312.880:8): avc: denied { execmem } for pid=336 comm="syz-executor969" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 18.709674][ T338] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 18.719664][ T338] EXT4-fs error (device loop0): __ext4_new_inode:930: comm syz-executor969: reserved inode found cleared - inode=1 [ 18.732867][ T338] incfs: Can't find or create .index dir in ./file0 [ 18.740084][ T338] BUG: Dentry ffff8881ecaa7ee0{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 18.749958][ T338] ------------[ cut here ]------------ [ 18.755408][ T338] WARNING: CPU: 0 PID: 338 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 18.763711][ T338] Modules linked in: [ 18.767581][ T338] CPU: 0 PID: 338 Comm: syz-executor969 Not tainted 5.4.125-syzkaller-00003-g9c09b1ce4b07 #0 [ 18.777691][ T338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.787816][ T338] RIP: 0010:umount_check+0x179/0x1c0 [ 18.795354][ T338] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 a0 07 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 18.815084][ T338] RSP: 0018:ffff8881e589fa58 EFLAGS: 00010282 [ 18.821135][ T338] RAX: 0000000000000054 RBX: ffffffff85faa080 RCX: bae02e71e16f6100 [ 18.829082][ T338] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 18.837127][ T338] RBP: ffff8881e5f61420 R08: ffffffff814e90a7 R09: ffffed103edc9608 [ 18.845069][ T338] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 18.853026][ T338] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecaa7ee0 [ 18.861015][ T338] FS: 0000000001601300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 18.869918][ T338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.876471][ T338] CR2: 00000000004b51d0 CR3: 0000000005e0e000 CR4: 00000000001406f0 [ 18.884420][ T338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.892365][ T338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.900327][ T338] Call Trace: [ 18.903641][ T338] d_walk+0x2d9/0x540 [ 18.907610][ T338] ? __d_free+0x20/0x20 [ 18.911819][ T338] shrink_dcache_for_umount+0x8a/0x1a0 [ 18.917272][ T338] generic_shutdown_super+0x63/0x2a0 [ 18.922526][ T338] kill_block_super+0x79/0xd0 [ 18.927191][ T338] deactivate_locked_super+0xaf/0x100 [ 18.932536][ T338] deactivate_super+0x1b3/0x270 [ 18.937355][ T338] ? deactivate_locked_super+0x100/0x100 [ 18.942971][ T338] ? dput+0x4de/0x5d0 [ 18.946920][ T338] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 18.951999][ T338] ? find_next_bit+0xc6/0x110 [ 18.956643][ T338] cleanup_mnt+0x432/0x4e0 [ 18.961029][ T338] task_work_run+0x186/0x1b0 [ 18.965605][ T338] do_exit+0xcb9/0x2bf0 [ 18.969729][ T338] ? mm_update_next_owner+0x5c0/0x5c0 [ 18.975069][ T338] ? __up_read+0x6f/0x1b0 [ 18.979390][ T338] ? __down_read+0x210/0x210 [ 18.979399][ T338] ? check_preemption_disabled+0x154/0x330 [ 18.979405][ T338] ? debug_smp_processor_id+0x20/0x20 [ 18.979417][ T338] do_group_exit+0x15c/0x2c0 [ 18.999704][ T338] ? do_user_addr_fault+0x6b0/0xb40 [ 19.004912][ T338] __do_sys_exit_group+0x13/0x20 [ 19.009831][ T338] __se_sys_exit_group+0x10/0x10 [ 19.014757][ T338] __x64_sys_exit_group+0x37/0x40 [ 19.020094][ T338] do_syscall_64+0xcb/0x1e0 [ 19.024607][ T338] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.030481][ T338] RIP: 0033:0x442f69 [[ 19.034365][ T338] Code: Bad RIP value. [ 19.038481][ T338] RSP: 002b:00007ffcb0dd5218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.046881][ T338] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 0000000000442f69 [ 19.054835][ T338] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 19.062787][ T338] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000004af000 [ 19.070741][ T338] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0 [ 19.078709][ T338] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 19.086664][ T338] ---[ end trace 94b4b692dc1f14aa ]--- **] A st[ 19.094855][ T338] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... art job is running for dev-ttyS0.device (12s / 1min 30s)