Warning: Permanently added '10.128.1.120' (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)[ 22.295821][ T22] audit: type=1400 audit(1633945669.822:8): avc: denied { execmem } for pid=335 comm="syz-executor563" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 22.339189][ T336] incfs: Can't find or create .incomplete dir in ./file0 [ 22.347118][ T336] BUG: Dentry ffff8881ecaf1000{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 22.357229][ T336] ------------[ cut here ]------------ [ 22.362666][ T336] WARNING: CPU: 1 PID: 336 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.370971][ T336] Modules linked in: [ 22.374835][ T336] CPU: 1 PID: 336 Comm: syz-executor563 Not tainted 5.4.125-syzkaller-00026-g23c18f1ad0fc #0 [ 22.384958][ T336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.395002][ T336] RIP: 0010:umount_check+0x179/0x1c0 [ 22.400271][ T336] 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 [ 22.419847][ T336] RSP: 0018:ffff8881e5477a58 EFLAGS: 00010282 [ 22.425881][ T336] RAX: 0000000000000059 RBX: ffffffff85fc5e40 RCX: 41eba8c35a629200 [ 22.433821][ T336] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 22.441870][ T336] RBP: ffff8881db35d420 R08: ffffffff814e90e7 R09: ffffed103ede9608 [ 22.449811][ T336] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 22.457752][ T336] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecaf1000 [ 22.465694][ T336] FS: 00005555567a2300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.474587][ T336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.481150][ T336] CR2: 00007f60403321d0 CR3: 00000001de9a2000 CR4: 00000000003406e0 [ 22.489109][ T336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.497049][ T336] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.504993][ T336] Call Trace: [ 22.508254][ T336] d_walk+0x2d9/0x540 [ 22.512203][ T336] ? __d_free+0x20/0x20 [ 22.516327][ T336] shrink_dcache_for_umount+0x8a/0x1a0 [ 22.521757][ T336] generic_shutdown_super+0x63/0x2a0 [ 22.527009][ T336] kill_block_super+0x79/0xd0 [ 22.531653][ T336] deactivate_locked_super+0xaf/0x100 [ 22.537004][ T336] deactivate_super+0x1b3/0x270 [ 22.541821][ T336] ? deactivate_locked_super+0x100/0x100 [ 22.547418][ T336] ? dput+0x4de/0x5d0 [ 22.551379][ T336] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.556471][ T336] ? find_next_bit+0xc6/0x110 [ 22.561143][ T336] cleanup_mnt+0x432/0x4e0 [ 22.565625][ T336] task_work_run+0x186/0x1b0 [ 22.570186][ T336] do_exit+0xcb9/0x2bf0 [ 22.574313][ T336] ? mm_update_next_owner+0x5c0/0x5c0 [ 22.579672][ T336] ? __up_read+0x6f/0x1b0 [ 22.583982][ T336] ? __down_read+0x210/0x210 [ 22.588538][ T336] ? check_preemption_disabled+0x154/0x330 [ 22.594321][ T336] ? debug_smp_processor_id+0x20/0x20 [ 22.599660][ T336] do_group_exit+0x15c/0x2c0 [ 22.604217][ T336] ? do_user_addr_fault+0x6b0/0xb40 [ 22.609398][ T336] __do_sys_exit_group+0x13/0x20 [ 22.614304][ T336] __se_sys_exit_group+0x10/0x10 [ 22.619209][ T336] __x64_sys_exit_group+0x37/0x40 [ 22.624289][ T336] do_syscall_64+0xcb/0x1e0 [ 22.628759][ T336] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.634625][ T336] RIP: 0033:0x7f60402bcff9 [ 22.639011][ T336] Code: Bad RIP value. [ 22.643041][ T336] RSP: 002b:00007ffef145bc98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.651419][ T336] RAX: ffffffffffffffda RBX: 00007f6040331330 RCX: 00007f60402bcff9 [ 22.659365][ T336] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 22.667308][ T336] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f604032be40 [ 22.675247][ T336] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6040331330 [ 22.683186][ T336] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 22.691127][ T336] ---[ end trace f37fe9bf92250bd0 ]--- [*[0;1;3[ 22.698188][ T336] BUG: Dentry ffff8881ecaf1000{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] 1m** [ 22.709384][ T336] ------------[ cut here ]------------ [ 22.716018][ T336] WARNING: CPU: 1 PID: 336 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.724306][ T336] Modules linked in: [ 22.728177][ T336] CPU: 1 PID: 336 Comm: syz-executor563 Tainted: G W 5.4.125-syzkaller-00026-g23c18f1ad0fc #0 [ 22.739687][ T336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.749725][ T336] RIP: 0010:umount_check+0x179/0x1c0 [ 22.754985][ T336] 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 [ 22.774565][ T336] RSP: 0018:ffff8881e5477a58 EFLAGS: 00010282 [ 22.780615][ T336] RAX: 0000000000000059 RBX: ffffffff85fc5e40 RCX: 41eba8c35a629200 [ 22.788557][ T336] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 22.796500][ T336] RBP: ffff8881db35d420 R08: ffffffff814e90e7 R09: ffffed103ede9608 [ 22.804441][ T336] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 22.812382][ T336] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecaf1000 [ 22.820324][ T336] FS: 00005555567a2300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.829225][ T336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.835784][ T336] CR2: 00007fc5d0039148 CR3: 00000001ee1a7000 CR4: 00000000003406e0 [ 22.843731][ T336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.851675][ T336] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.859617][ T336] Call Trace: [ 22.862886][ T336] d_walk+0x2d9/0x540 [ 22.866838][ T336] ? __d_free+0x20/0x20 [ 22.870966][ T336] shrink_dcache_for_umount+0x8a/0x1a0 [ 22.876398][ T336] generic_shutdown_super+0x63/0x2a0 [ 22.881651][ T336] kill_block_super+0x79/0xd0 [ 22.886296][ T336] deactivate_locked_super+0xaf/0x100 [ 22.891650][ T336] deactivate_super+0x1b3/0x270 [ 22.896468][ T336] ? deactivate_locked_super+0x100/0x100 [ 22.902069][ T336] ? dput+0x4de/0x5d0 [ 22.906021][ T336] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.911101][ T336] ? find_next_bit+0xc6/0x110 [ 22.915746][ T336] cleanup_mnt+0x432/0x4e0 [ 22.920131][ T336] task_work_run+0x186/0x1b0 [ 22.924692][ T336] do_exit+0xcb9/0x2bf0 [ 22.928818][ T336] ? mm_update_next_owner+0x5c0/0x5c0 [ 22.934184][ T336] ? __up_read+0x6f/0x1b0 [ 22.938481][ T336] ? __down_read+0x210/0x210 [ 22.943039][ T336] ? check_preemption_disabled+0x154/0x330 [ 22.948812][ T336] ? debug_smp_processor_id+0x20/0x20 [ 22.954154][ T336] do_group_exit+0x15c/0x2c0 [ 22.958713][ T336] ? do_user_addr_fault+0x6b0/0xb40 [ 22.963882][ T336] __do_sys_exit_group+0x13/0x20 [ 22.968794][ T336] __se_sys_exit_group+0x10/0x10 [ 22.973703][ T336] __x64_sys_exit_group+0x37/0x40 [ 22.978707][ T336] do_syscall_64+0xcb/0x1e0 [ 22.983183][ T336] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.989046][ T336] RIP: 0033:0x7f60402bcff9 [ 22.993440][ T336] Code: Bad RIP value. [ 22.997475][ T336] RSP: 002b:00007ffef145bc98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.005862][ T336] RAX: ffffffffffffffda RBX: 00007f6040331330 RCX: 00007f60402bcff9 [ 23.013810][ T336] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 23.021754][ T336] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f604032be40 [ 23.029693][ T336] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6040331330 [ 23.037646][ T336] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 23.045592][ T336] ---[ end trace f37fe9bf92250bd1 ]--- ] A start job is running for dev-ttyS0.dev[ 23.055255][ T336] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... ice (16s / 1min 30s)