Starting Permit User Sessions... [ OK ] Started Permit User Sessions. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty1. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty4. [ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. executing program [* ] 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)[ 21.836499][ T22] audit: type=1400 audit(1632981403.373:8): avc: denied { execmem } for pid=342 comm="syz-executor218" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 21.868432][ T344] incfs: Can't find or create .incomplete dir in ./file0 [ 21.876382][ T344] BUG: Dentry ffff8881ecaf5440{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 21.886589][ T344] ------------[ cut here ]------------ [ 21.892031][ T344] WARNING: CPU: 1 PID: 344 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 21.900317][ T344] Modules linked in: [ 21.904184][ T344] CPU: 1 PID: 344 Comm: syz-executor218 Not tainted 5.4.125-syzkaller-00029-g12806d81361b #0 [ 21.914338][ T344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.924373][ T344] RIP: 0010:umount_check+0x179/0x1c0 [ 21.929751][ T344] 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 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 [ 21.949338][ T344] RSP: 0018:ffff8881e5997a58 EFLAGS: 00010282 [ 21.955376][ T344] RAX: 0000000000000059 RBX: ffffffff85fc5e40 RCX: 45caf418df30af00 [ 21.963488][ T344] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 21.971467][ T344] RBP: ffff8881e5f0c420 R08: ffffffff814e90e7 R09: ffffed103ede9608 [ 21.979415][ T344] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 21.987355][ T344] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecaf5440 [ 21.995295][ T344] FS: 00005555558fa300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.004197][ T344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.010768][ T344] CR2: 00007f1ff4a2a1d0 CR3: 00000001e6e79000 CR4: 00000000003406e0 [ 22.018717][ T344] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.026662][ T344] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.034647][ T344] Call Trace: [ 22.037911][ T344] d_walk+0x2d9/0x540 [ 22.041898][ T344] ? __d_free+0x20/0x20 [ 22.046028][ T344] shrink_dcache_for_umount+0x8a/0x1a0 [ 22.051509][ T344] generic_shutdown_super+0x63/0x2a0 [ 22.056775][ T344] kill_block_super+0x79/0xd0 [ 22.061426][ T344] deactivate_locked_super+0xaf/0x100 [ 22.066768][ T344] deactivate_super+0x1b3/0x270 [ 22.071672][ T344] ? deactivate_locked_super+0x100/0x100 [ 22.077357][ T344] ? dput+0x4de/0x5d0 [ 22.081304][ T344] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.086392][ T344] ? find_next_bit+0xc6/0x110 [ 22.091034][ T344] cleanup_mnt+0x432/0x4e0 [ 22.095417][ T344] task_work_run+0x186/0x1b0 [ 22.099973][ T344] do_exit+0xcb9/0x2bf0 [ 22.104098][ T344] ? mm_update_next_owner+0x5c0/0x5c0 [ 22.109436][ T344] ? __up_read+0x6f/0x1b0 [ 22.113729][ T344] ? __down_read+0x210/0x210 [ 22.118299][ T344] ? check_preemption_disabled+0x154/0x330 [ 22.124068][ T344] ? debug_smp_processor_id+0x20/0x20 [ 22.129415][ T344] do_group_exit+0x15c/0x2c0 [ 22.133971][ T344] ? do_user_addr_fault+0x6b0/0xb40 [ 22.139136][ T344] __do_sys_exit_group+0x13/0x20 [ 22.144060][ T344] __se_sys_exit_group+0x10/0x10 [ 22.148965][ T344] __x64_sys_exit_group+0x37/0x40 [ 22.153975][ T344] do_syscall_64+0xcb/0x1e0 [ 22.158450][ T344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.164306][ T344] RIP: 0033:0x7f1ff49b4fa9 [ 22.168690][ T344] Code: Bad RIP value. [ 22.172753][ T344] RSP: 002b:00007fff13379168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.181137][ T344] RAX: ffffffffffffffda RBX: 00007f1ff4a29330 RCX: 00007f1ff49b4fa9 [ 22.189076][ T344] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 22.197015][ T344] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f1ff4a23e40 [ 22.204953][ T344] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1ff4a29330 [ 22.212893][ T344] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 22.220835][ T344] ---[ end trace a173582cc379e627 ]--- [ *[0;1[ 22.228834][ T344] BUG: Dentry ffff8881ecaf5440{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] ;31m*[ 22.240135][ T344] ------------[ cut here ]------------ [ 22.246720][ T344] WARNING: CPU: 1 PID: 344 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.255020][ T344] Modules linked in: [ 22.258886][ T344] CPU: 1 PID: 344 Comm: syz-executor218 Tainted: G W 5.4.125-syzkaller-00029-g12806d81361b #0 [ 22.270386][ T344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.280415][ T344] RIP: 0010:umount_check+0x179/0x1c0 [ 22.285707][ T344] 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 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 [ 22.305287][ T344] RSP: 0018:ffff8881e5997a58 EFLAGS: 00010282 [ 22.311326][ T344] RAX: 0000000000000059 RBX: ffffffff85fc5e40 RCX: 45caf418df30af00 [ 22.319440][ T344] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 22.327382][ T344] RBP: ffff8881e5f0c420 R08: ffffffff814e90e7 R09: ffffed103ede9608 [ 22.335322][ T344] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 22.343349][ T344] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecaf5440 [ 22.351292][ T344] FS: 00005555558fa300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.360189][ T344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.366746][ T344] CR2: 00007f1ff49b4f7f CR3: 00000001ee1c5000 CR4: 00000000003406e0 [ 22.374691][ T344] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.382633][ T344] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.390585][ T344] Call Trace: [ 22.393851][ T344] d_walk+0x2d9/0x540 [ 22.397803][ T344] ? __d_free+0x20/0x20 [ 22.401950][ T344] shrink_dcache_for_umount+0x8a/0x1a0 [ 22.407402][ T344] generic_shutdown_super+0x63/0x2a0 [ 22.412661][ T344] kill_block_super+0x79/0xd0 [ 22.417312][ T344] deactivate_locked_super+0xaf/0x100 [ 22.422661][ T344] deactivate_super+0x1b3/0x270 [ 22.427483][ T344] ? deactivate_locked_super+0x100/0x100 [ 22.433087][ T344] ? dput+0x4de/0x5d0 [ 22.437051][ T344] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.442136][ T344] ? find_next_bit+0xc6/0x110 [ 22.446787][ T344] cleanup_mnt+0x432/0x4e0 [ 22.451175][ T344] task_work_run+0x186/0x1b0 [ 22.455744][ T344] do_exit+0xcb9/0x2bf0 [ 22.459876][ T344] ? mm_update_next_owner+0x5c0/0x5c0 [ 22.465228][ T344] ? __up_read+0x6f/0x1b0 [ 22.469539][ T344] ? __down_read+0x210/0x210 [ 22.474098][ T344] ? check_preemption_disabled+0x154/0x330 [ 22.479877][ T344] ? debug_smp_processor_id+0x20/0x20 [ 22.485226][ T344] do_group_exit+0x15c/0x2c0 [ 22.489793][ T344] ? do_user_addr_fault+0x6b0/0xb40 [ 22.494961][ T344] __do_sys_exit_group+0x13/0x20 [ 22.499871][ T344] __se_sys_exit_group+0x10/0x10 [ 22.504779][ T344] __x64_sys_exit_group+0x37/0x40 [ 22.509773][ T344] do_syscall_64+0xcb/0x1e0 [ 22.514245][ T344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.520155][ T344] RIP: 0033:0x7f1ff49b4fa9 [ 22.524544][ T344] Code: Bad RIP value. [ 22.528576][ T344] RSP: 002b:00007fff13379168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.536961][ T344] RAX: ffffffffffffffda RBX: 00007f1ff4a29330 RCX: 00007f1ff49b4fa9 [ 22.544900][ T344] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 22.552849][ T344] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f1ff4a23e40 [ 22.560795][ T344] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1ff4a29330 [ 22.568910][ T344] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 22.576862][ T344] ---[ end trace a173582cc379e628 ]--- * ] A start job is running for dev-ttyS0.device (15s / 1min [ 22.586826][ T344] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... 30s)