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 (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)[ **] 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 (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)[ 22.149135][ T22] audit: type=1400 audit(1628361909.676:8): avc: denied { execmem } for pid=325 comm="syz-executor635" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 22.190926][ T327] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 22.200684][ T327] EXT4-fs error (device loop0): __ext4_new_inode:930: comm syz-executor635: reserved inode found cleared - inode=1 [ 22.213541][ T327] incfs: Can't find or create .index dir in ./file0 [ 22.220864][ T327] BUG: Dentry ffff8881eca8aaa0{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 22.230543][ T327] ------------[ cut here ]------------ [ 22.236017][ T327] WARNING: CPU: 1 PID: 327 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.244299][ T327] Modules linked in: [ 22.248167][ T327] CPU: 1 PID: 327 Comm: syz-executor635 Not tainted 5.4.125-syzkaller-00001-g306607c78507 #0 [ 22.258275][ T327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.268307][ T327] RIP: 0010:umount_check+0x179/0x1c0 [ 22.273645][ T327] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 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 [ 22.293214][ T327] RSP: 0018:ffff8881e596fa58 EFLAGS: 00010282 [ 22.299245][ T327] RAX: 0000000000000054 RBX: ffffffff85faa1c0 RCX: 017d97c3038e1400 [ 22.307180][ T327] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 22.315120][ T327] RBP: ffff8881d9882420 R08: ffffffff814e90d7 R09: ffffed103ede9608 [ 22.323071][ T327] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 22.331021][ T327] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881eca8aaa0 [ 22.338965][ T327] FS: 0000000001a2a300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.347862][ T327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.354417][ T327] CR2: 00000000004b51d0 CR3: 0000000005e0e000 CR4: 00000000001406e0 [ 22.362372][ T327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.370310][ T327] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.378249][ T327] Call Trace: [ 22.381519][ T327] d_walk+0x2d9/0x540 [ 22.385471][ T327] ? __d_free+0x20/0x20 [ 22.389595][ T327] shrink_dcache_for_umount+0x8a/0x1a0 [ 22.395021][ T327] generic_shutdown_super+0x63/0x2a0 [ 22.400276][ T327] kill_block_super+0x79/0xd0 [ 22.404918][ T327] deactivate_locked_super+0xaf/0x100 [ 22.410272][ T327] deactivate_super+0x1b3/0x270 [ 22.415091][ T327] ? deactivate_locked_super+0x100/0x100 [ 22.420687][ T327] ? dput+0x4de/0x5d0 [ 22.424635][ T327] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.429711][ T327] ? find_next_bit+0xc6/0x110 [ 22.434369][ T327] cleanup_mnt+0x432/0x4e0 [ 22.438754][ T327] task_work_run+0x186/0x1b0 [ 22.443314][ T327] do_exit+0xcb9/0x2bf0 [ 22.447437][ T327] ? mm_update_next_owner+0x5c0/0x5c0 [ 22.452777][ T327] ? __up_read+0x6f/0x1b0 [ 22.457070][ T327] ? __down_read+0x210/0x210 [ 22.461625][ T327] ? check_preemption_disabled+0x154/0x330 [ 22.467397][ T327] ? debug_smp_processor_id+0x20/0x20 [ 22.472735][ T327] do_group_exit+0x15c/0x2c0 [ 22.477290][ T327] ? do_user_addr_fault+0x6b0/0xb40 [ 22.482453][ T327] __do_sys_exit_group+0x13/0x20 [ 22.487360][ T327] __se_sys_exit_group+0x10/0x10 [ 22.492276][ T327] __x64_sys_exit_group+0x37/0x40 [ 22.497266][ T327] do_syscall_64+0xcb/0x1e0 [ 22.501734][ T327] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.507591][ T327] RIP: 0033:0x442e99 [ 22.511454][ T327] Code: Bad RIP value. [ 22.515490][ T327] RSP: 002b:00007fff2c1e3ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.523863][ T327] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 0000000000442e99 [ 22.531799][ T327] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 22.539735][ T327] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000004af000 [ 22.547674][ T327] R10: 0000000002000000 R11: 0000000000000246 R12: 00000000004b42f0 [ 22.555609][ T327] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 22.563560][ T327] ---[ end trace 0d77649c25c55a48 ]--- [* ] A start job is runni[ 22.572335][ T327] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... ng for dev-ttyS0.device (15s / 1min 30s)