Warning: Permanently added '10.128.1.94' (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 (10s / 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)[ 21.340558][ T22] audit: type=1400 audit(1633244689.424:8): avc: denied { execmem } for pid=335 comm="syz-executor628" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 21.381945][ T338] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 21.391549][ T338] EXT4-fs error (device loop0): __ext4_new_inode:930: comm syz-executor628: reserved inode found cleared - inode=1 [ 21.407778][ T338] incfs: Can't find or create .index dir in ./file0 [ 21.416686][ T338] BUG: Dentry ffff8881ecb76660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 21.426389][ T338] ------------[ cut here ]------------ [ 21.431833][ T338] WARNING: CPU: 0 PID: 338 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 21.440120][ T338] Modules linked in: [ 21.443989][ T338] CPU: 0 PID: 338 Comm: syz-executor628 Not tainted 5.4.125-syzkaller-00030-g1e429b8f9eb9 #0 [ 21.454137][ T338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.464171][ T338] RIP: 0010:umount_check+0x179/0x1c0 [ 21.470964][ T338] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 a0 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 [ 21.490559][ T338] RSP: 0018:ffff8881dc7d7738 EFLAGS: 00010282 [ 21.496689][ T338] RAX: 0000000000000054 RBX: ffffffff85faa1c0 RCX: e65bd84e857e7000 [ 21.504630][ T338] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 21.512570][ T338] RBP: ffff8881f34e9420 R08: ffffffff814e90e7 R09: ffffed103edc9608 [ 21.520510][ T338] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 21.528472][ T338] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecb76660 [ 21.536502][ T338] FS: 00007fe1887d3700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 21.545411][ T338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.551960][ T338] CR2: 000055afc5d06a80 CR3: 0000000005e0e000 CR4: 00000000003406f0 [ 21.560163][ T338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.568106][ T338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.576044][ T338] Call Trace: [ 21.579305][ T338] d_walk+0x2d9/0x540 [ 21.583256][ T338] ? __d_free+0x20/0x20 [ 21.587378][ T338] shrink_dcache_for_umount+0x8a/0x1a0 [ 21.592809][ T338] generic_shutdown_super+0x63/0x2a0 [ 21.598061][ T338] kill_block_super+0x79/0xd0 [ 21.602706][ T338] deactivate_locked_super+0xaf/0x100 [ 21.608050][ T338] deactivate_super+0x1b3/0x270 [ 21.612868][ T338] ? deactivate_locked_super+0x100/0x100 [ 21.618467][ T338] ? dput+0x4de/0x5d0 [ 21.622416][ T338] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 21.627498][ T338] ? find_next_bit+0xc6/0x110 [ 21.632143][ T338] cleanup_mnt+0x432/0x4e0 [ 21.636528][ T338] task_work_run+0x186/0x1b0 [ 21.641087][ T338] do_exit+0xcb9/0x2bf0 [ 21.645212][ T338] ? mm_update_next_owner+0x5c0/0x5c0 [ 21.650551][ T338] ? debug_smp_processor_id+0x20/0x20 [ 21.655903][ T338] ? stack_trace_snprint+0x150/0x150 [ 21.661160][ T338] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 21.666248][ T338] ? _raw_spin_lock_irqsave+0x210/0x210 [ 21.671764][ T338] do_group_exit+0x15c/0x2c0 [ 21.676323][ T338] get_signal+0x164f/0x1fc0 [ 21.680806][ T338] ? ptrace_notify+0x340/0x340 [ 21.685538][ T338] ? check_preemption_disabled+0x154/0x330 [ 21.691315][ T338] do_signal+0x8d/0x610 [ 21.695526][ T338] ? kfree+0xe0/0x660 [ 21.699480][ T338] ? signal_fault+0x1e0/0x1e0 [ 21.704132][ T338] ? ksys_mount+0xe0/0xf0 [ 21.708468][ T338] ? __x64_sys_futex+0x1d/0xf0 [ 21.708477][ T338] prepare_exit_to_usermode+0x207/0x310 [ 21.708491][ T338] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.724691][ T338] RIP: 0033:0x7fe188826239 [ 21.729090][ T338] Code: Bad RIP value. [ 21.733183][ T338] RSP: 002b:00007fe1887d32f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 21.741576][ T338] RAX: fffffffffffffe00 RBX: 00007fe1888ab3e0 RCX: 00007fe188826239 [ 21.749543][ T338] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe1888ab3e8 [ 21.757841][ T338] RBP: 00007fe1888ab3ec R08: 0000000000000000 R09: 0000000000000000 [ 21.765813][ T338] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 21.773781][ T338] R13: e5d26e84aa4cf3c6 R14: 6e656d6572636e69 R15: 00007fe1888ab3e8 [ 21.781740][ T338] ---[ end trace a6f01e1a56a69ad9 ]--- [ *[0;1;[ 21.787967][ T338] BUG: Dentry ffff8881ecb76660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] 31m**[ 21.798349][ T338] ------------[ cut here ]------------ [ 21.805035][ T338] WARNING: CPU: 0 PID: 338 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 21.813336][ T338] Modules linked in: ] [ 21.817225][ T338] CPU: 0 PID: 338 Comm: syz-executor628 Tainted: G W 5.4.125-syzkaller-00030-g1e429b8f9eb9 #0 [ 21.829430][ T338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.839580][ T338] RIP: 0010:umount_check+0x179/0x1c0 [ 21.844851][ T338] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 a0 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 [ 21.864440][ T338] RSP: 0018:ffff8881dc7d7738 EFLAGS: 00010282 [ 21.870491][ T338] RAX: 0000000000000054 RBX: ffffffff85faa1c0 RCX: e65bd84e857e7000 A start job is r[ 21.878454][ T338] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 21.887791][ T338] RBP: ffff8881f34e9420 R08: ffffffff814e90e7 R09: ffffed103edc9608 [ 21.895745][ T338] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 21.903696][ T338] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecb76660 [ 21.911656][ T338] FS: 00007fe1887d3700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 unning for dev-t[ 21.920564][ T338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.928502][ T338] CR2: 00007fe18882620f CR3: 0000000005e0e000 CR4: 00000000003406f0 [ 21.936502][ T338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 tyS0.device (15s[ 21.944617][ T338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.953962][ T338] Call Trace: [ 21.957254][ T338] d_walk+0x2d9/0x540 / 1min 30s)[ 21.961225][ T338] ? __d_free+0x20/0x20 [ 21.966385][ T338] shrink_dcache_for_umount+0x8a/0x1a0 [ 21.971868][ T338] generic_shutdown_super+0x63/0x2a0 [ 21.977180][ T338] kill_block_super+0x79/0xd0 [ 21.981829][ T338] deactivate_locked_super+0xaf/0x100 [ 21.987260][ T338] deactivate_super+0x1b3/0x270 [ 21.992084][ T338] ? deactivate_locked_super+0x100/0x100 [ 21.997689][ T338] ? dput+0x4de/0x5d0 [ 22.001642][ T338] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.006721][ T338] ? find_next_bit+0xc6/0x110 [ 22.011364][ T338] cleanup_mnt+0x432/0x4e0 [ 22.015750][ T338] task_work_run+0x186/0x1b0 [ 22.020340][ T338] do_exit+0xcb9/0x2bf0 [ 22.024464][ T338] ? mm_update_next_owner+0x5c0/0x5c0 [ 22.029800][ T338] ? debug_smp_processor_id+0x20/0x20 [ 22.035139][ T338] ? stack_trace_snprint+0x150/0x150 [ 22.040392][ T338] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.045468][ T338] ? _raw_spin_lock_irqsave+0x210/0x210 [ 22.051089][ T338] do_group_exit+0x15c/0x2c0 [ 22.055694][ T338] get_signal+0x164f/0x1fc0 [ 22.060260][ T338] ? ptrace_notify+0x340/0x340 [ 22.065001][ T338] ? check_preemption_disabled+0x154/0x330 [ 22.070775][ T338] do_signal+0x8d/0x610 [ 22.074918][ T338] ? kfree+0xe0/0x660 [ 22.078901][ T338] ? signal_fault+0x1e0/0x1e0 [ 22.083548][ T338] ? ksys_mount+0xe0/0xf0 [ 22.087846][ T338] ? __x64_sys_futex+0x1d/0xf0 [ 22.092601][ T338] prepare_exit_to_usermode+0x207/0x310 [ 22.098122][ T338] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.104002][ T338] RIP: 0033:0x7fe188826239 [ 22.108411][ T338] Code: Bad RIP value. [ 22.112456][ T338] RSP: 002b:00007fe1887d32f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 22.120850][ T338] RAX: fffffffffffffe00 RBX: 00007fe1888ab3e0 RCX: 00007fe188826239 [ 22.128791][ T338] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe1888ab3e8 [ 22.136738][ T338] RBP: 00007fe1888ab3ec R08: 0000000000000000 R09: 0000000000000000 [ 22.144682][ T338] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 22.152638][ T338] R13: e5d26e84aa4cf3c6 R14: 6e656d6572636e69 R15: 00007fe1888ab3e8 [ 22.160587][ T338] ---[ end trace a6f01e1a56a69ada ]--- [ 22.173183][ T338] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...