Starting Permit User Sessions...
Starting OpenBSD Secure Shell server...
[[0;32m OK [0m] Started Permit User Sessions.
[[0;32m OK [0m] Started Getty on tty4.
[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Started Getty on tty1.
[[0;32m OK [0m] Started Getty on tty2.
[[0;32m OK [0m] Started Getty on tty5.
[[0;32m OK [0m] Started Getty on tty6.
[[0;32m OK [0m] Started OpenBSD Secure Shell server.
Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts.
executing program
[[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (8s / 1min 30s)[K[[0;1;31m*[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (9s / 1min 30s)[K[[0;31m*[0;1;31m*[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (9s / 1min 30s)[K[ [0;31m*[0;1;31m*[0m[0;31m* [0m] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ 18.379955][ T22] audit: type=1400 audit(1616863624.572:8): avc: denied { execmem } for pid=326 comm="syz-executor784" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 18.412170][ T328] incfs: Can't find or create .incomplete dir in ./file0
[ 18.420079][ T328] BUG: Dentry ffff8881eff19990{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0]
[ 18.430679][ T328] ------------[ cut here ]------------
[ 18.436213][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0
[ 18.444690][ T328] Modules linked in:
[ 18.448559][ T328] CPU: 0 PID: 328 Comm: syz-executor784 Not tainted 5.4.108-syzkaller-00846-g7af03784d889 #0
[ 18.458675][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 18.468732][ T328] RIP: 0010:umount_check+0x179/0x1c0
[ 18.474017][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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
[ 18.493686][ T328] RSP: 0018:ffff8881e95bfa58 EFLAGS: 00010282
[ 18.499871][ T328] RAX: 0000000000000059 RBX: ffffffff85fc4de0 RCX: 8ae91f0de1137100
[ 18.507847][ T328] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
[ 18.515896][ T328] RBP: ffff8881f15f4420 R08: ffffffff814e8847 R09: ffffed103edc5e08
[ 18.523842][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000
[ 18.531820][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881eff19990
[ 18.539793][ T328] FS: 0000000001cb8300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 18.548717][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.555279][ T328] CR2: 00000000004b51d0 CR3: 0000000005e0e000 CR4: 00000000001406f0
[ 18.563238][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 18.571193][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 18.579239][ T328] Call Trace:
[ 18.582505][ T328] d_walk+0x2d9/0x540
[ 18.586460][ T328] ? __d_free+0x20/0x20
[ 18.590587][ T328] shrink_dcache_for_umount+0x8a/0x1a0
[ 18.596025][ T328] generic_shutdown_super+0x63/0x2a0
[ 18.601376][ T328] kill_block_super+0x79/0xd0
[ 18.606055][ T328] deactivate_locked_super+0xaf/0x100
[ 18.611408][ T328] deactivate_super+0x1b3/0x270
[ 18.616235][ T328] ? deactivate_locked_super+0x100/0x100
[ 18.621840][ T328] ? dput+0x4de/0x5d0
[ 18.629083][ T328] ? _raw_spin_lock_irq+0xa4/0x1b0
[ 18.634178][ T328] ? find_next_bit+0xc6/0x110
[ 18.638842][ T328] cleanup_mnt+0x432/0x4e0
[ 18.643237][ T328] task_work_run+0x186/0x1b0
[ 18.648238][ T328] do_exit+0xcb9/0x2bf0
[ 18.653930][ T328] ? mm_update_next_owner+0x5c0/0x5c0
[ 18.659276][ T328] ? __up_read+0x6f/0x1b0
[ 18.663587][ T328] ? __down_read+0x210/0x210
[ 18.668158][ T328] ? check_preemption_disabled+0x154/0x330
[ 18.673932][ T328] ? debug_smp_processor_id+0x20/0x20
[ 18.679275][ T328] do_group_exit+0x15c/0x2c0
[ 18.683852][ T328] ? do_user_addr_fault+0x6b0/0xb40
[ 18.689020][ T328] __do_sys_exit_group+0x13/0x20
[ 18.693942][ T328] __se_sys_exit_group+0x10/0x10
[ 18.698859][ T328] __x64_sys_exit_group+0x37/0x40
[ 18.703940][ T328] do_syscall_64+0xcb/0x1e0
[ 18.708423][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 18.714284][ T328] RIP: 0033:0x442e69
[ 18.718168][ T328] Code: Bad RIP value.
[ 18.722467][ T328] RSP: 002b:00007ffd314c6288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 18.730861][ T328] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 0000000000442e69
[ 18.738914][ T328] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 18.746866][ T328] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000004af000
[ 18.754821][ T328] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0
[ 18.762784][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[ 18.770745][ T328] ---[ end trace 132e653843559e7d ]---
[ 18.776437][ T328] BUG: Dentry ffff8881eff19990{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0]
[ 18.786595][ T328] ------------[ cut here ]------------
[ 18.792051][ T328] WARNING: CPU: 0 PID: 328 at fs/dcache.c:1597 umount_check+0x179/0x1c0
[ 18.800527][ T328] Modules linked in:
[ 18.804397][ T328] CPU: 0 PID: 328 Comm: syz-executor784 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0
[ 18.816767][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 18.826947][ T328] RIP: 0010:umount_check+0x179/0x1c0
[ 18.832221][ T328] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 f1 e8 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 dc 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
[ 18.851826][ T328] RSP: 0018:ffff8881e95bfa58 EFLAGS: 00010282
[ 18.857935][ T328] RAX: 0000000000000059 RBX: ffffffff85fc4de0 RCX: 8ae91f0de1137100
[ 18.865974][ T328] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[ 18.873940][ T328] RBP: ffff8881f15f4420 R08: ffffffff814e8847 R09: ffffed103edc5e08
[ 18.881892][ T328] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000
[ 18.889861][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881eff19990
[ 18.897818][ T328] FS: 0000000001cb8300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 18.906748][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.913461][ T328] CR2: 0000000000442e3f CR3: 0000000005e0e000 CR4: 00000000001406f0
[ 18.921537][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 18.929824][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 18.937791][ T328] Call Trace:
[ 18.941081][ T328] d_walk+0x2d9/0x540
[ 18.945055][ T328] ? __d_free+0x20/0x20
[ 18.945066][ T328] shrink_dcache_for_umount+0x8a/0x1a0
[ 18.945075][ T328] generic_shutdown_super+0x63/0x2a0
[ 18.945090][ T328] kill_block_super+0x79/0xd0
[ 18.964617][ T328] deactivate_locked_super+0xaf/0x100
[ 18.970087][ T328] deactivate_super+0x1b3/0x270
[ 18.974927][ T328] ? deactivate_locked_super+0x100/0x100
[K[ 18.980560][ T328] ? dput+0x4de/0x5d0
[ 18.984875][ T328] ? _raw_spin_lock_irq+0xa4/0x1b0
[ 18.990000][ T328] ? find_next_bit+0xc6/0x110
[ 18.994677][ T328] cleanup_mnt+0x432/0x4e0
[[ 18.999082][ T328] task_work_run+0x186/0x1b0
[ 19.003738][ T328] do_exit+0xcb9/0x2bf0
[ 19.007893][ T328] ? mm_update_next_owner+0x5c0/0x5c0
[0;31m*[0;1;[ 19.013250][ T328] ? __up_read+0x6f/0x1b0
[ 19.018956][ T328] ? __down_read+0x210/0x210
31m*[0m[0;31m*[ 19.023550][ T328] ? check_preemption_disabled+0x154/0x330
[ 19.030996][ T328] ? debug_smp_processor_id+0x20/0x20
[ 19.036509][ T328] do_group_exit+0x15c/0x2c0
[0m] [ 19.041153][ T328] ? do_user_addr_fault+0x6b0/0xb40
[ 19.046952][ T328] __do_sys_exit_group+0x13/0x20
[ 19.051903][ T328] __se_sys_exit_group+0x10/0x10
[ 19.056961][ T328] __x64_sys_exit_group+0x37/0x40
[ 19.062000][ T328] do_syscall_64+0xcb/0x1e0
[ 19.066506][ T328] entry_SYSCALL_64_after_hwframe+0x44/0xa9
A start job is r[ 19.072385][ T328] RIP: 0033:0x442e69
unning for dev-t[ 19.077657][ T328] Code: Bad RIP value.
[ 19.083259][ T328] RSP: 002b:00007ffd314c6288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 19.091667][ T328] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 0000000000442e69
tyS0.device (11s[ 19.099834][ T328] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 19.109194][ T328] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000004af000
[ 19.117153][ T328] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0
[ 19.125210][ T328] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[