Warning: Permanently added '10.128.0.94' (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 (8s / 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)[ 18.658445][ T22] audit: type=1400 audit(1616932375.979:8): avc: denied { execmem } for pid=337 comm="syz-executor261" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 18.689076][ T338] incfs: Can't find or create .incomplete dir in ./file0 [ 18.697352][ T338] BUG: Dentry ffff8881efb88110{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 18.707478][ T338] ------------[ cut here ]------------ [ 18.712930][ T338] WARNING: CPU: 0 PID: 338 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 18.712932][ T338] Modules linked in: [ 18.712943][ T338] CPU: 0 PID: 338 Comm: syz-executor261 Not tainted 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 18.712952][ T338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.745320][ T338] RIP: 0010:umount_check+0x179/0x1c0 [ 18.750581][ T338] 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 [ 18.770156][ T338] RSP: 0018:ffff8881e969fa58 EFLAGS: 00010282 [ 18.776508][ T338] RAX: 0000000000000059 RBX: ffffffff85fc4de0 RCX: e3f493a6f5ed7b00 [ 18.784464][ T338] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 18.792427][ T338] RBP: ffff8881e97a2420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 18.800469][ T338] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 18.808459][ T338] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efb88110 [ 18.816519][ T338] FS: 0000000001764300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 18.825427][ T338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.831992][ T338] CR2: 00000000004b51d0 CR3: 00000001e1655000 CR4: 00000000001406f0 [ 18.839947][ T338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.847895][ T338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.855849][ T338] Call Trace: [ 18.859119][ T338] d_walk+0x2d9/0x540 [ *[ 18.863078][ T338] ? __d_free+0x20/0x20 [ 18.868596][ T338] shrink_dcache_for_umount+0x8a/0x1a0 [ 18.874038][ T338] generic_shutdown_super+0x63/0x2a0 [ 18.879306][ T338] kill_block_super+0x79/0xd0 [ 18.884089][ T338] deactivate_locked_super+0xaf/0x100 [ 18.889443][ T338] deactivate_super+0x1b3/0x270 [ 18.894294][ T338] ? deactivate_locked_super+0x100/0x100 [ 18.899920][ T338] ? dput+0x4de/0x5d0 *[[ 18.903927][ T338] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 18.910398][ T338] ? find_next_bit+0xc6/0x110 [ 18.915057][ T338] cleanup_mnt+0x432/0x4e0 [ 18.919457][ T338] task_work_run+0x186/0x1b0 [ 18.924028][ T338] do_exit+0xcb9/0x2bf0 [ 18.928168][ T338] ? mm_update_next_owner+0x5c0/0x5c0 0;31m*] A st[ 18.933532][ T338] ? __up_read+0x6f/0x1b0 [ 18.939225][ T338] ? __down_read+0x210/0x210 [ 18.943799][ T338] ? check_preemption_disabled+0x154/0x330 [ 18.949588][ T338] ? debug_smp_processor_id+0x20/0x20 [ 18.954942][ T338] do_group_exit+0x15c/0x2c0 [ 18.959512][ T338] ? do_user_addr_fault+0x6b0/0xb40 [ 18.964690][ T338] __do_sys_exit_group+0x13/0x20 [ 18.969606][ T338] __se_sys_exit_group+0x10/0x10 [ 18.974526][ T338] __x64_sys_exit_group+0x37/0x40 [ 18.979528][ T338] do_syscall_64+0xcb/0x1e0 [ 18.984100][ T338] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 18.989981][ T338] RIP: 0033:0x442e69 [ 18.993862][ T338] Code: Bad RIP value. art job is runni[ 18.997909][ T338] RSP: 002b:00007fff42f3cfb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.007681][ T338] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 0000000000442e69 [ 19.015643][ T338] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 19.023613][ T338] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000004af000 [ 19.031595][ T338] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0 [ 19.039551][ T338] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 19.047510][ T338] ---[ end trace 25f76b067c28c96c ]--- ng for dev-ttyS0[ 19.053030][ T338] BUG: Dentry ffff8881efb88110{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] .device (11s / 1[ 19.064468][ T338] ------------[ cut here ]------------ [ 19.071256][ T338] WARNING: CPU: 0 PID: 338 at fs/dcache.c:1597 umount_check+0x179/0x1c0 min 30s)[ 19.079553][ T338] Modules linked in: [ 19.084141][ T338] CPU: 0 PID: 338 Comm: syz-executor261 Tainted: G W 5.4.108-syzkaller-00846-g7af03784d889 #0 [ 19.095648][ T338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.105686][ T338] RIP: 0010:umount_check+0x179/0x1c0 [ 19.110954][ T338] 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 [ 19.130537][ T338] RSP: 0018:ffff8881e969fa58 EFLAGS: 00010282 [ 19.136582][ T338] RAX: 0000000000000059 RBX: ffffffff85fc4de0 RCX: e3f493a6f5ed7b00 [ 19.144556][ T338] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 19.152493][ T338] RBP: ffff8881e97a2420 R08: ffffffff814e8847 R09: ffffed103edc5e08 [ 19.160442][ T338] R10: ffffed103edc5e08 R11: 0000000000000000 R12: dffffc0000000000 [ 19.168380][ T338] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881efb88110 [ 19.176321][ T338] FS: 0000000001764300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 19.185214][ T338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.191782][ T338] CR2: 0000000000442e3f CR3: 00000001e1655000 CR4: 00000000001406f0 [ 19.199733][ T338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 19.207677][ T338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 19.215617][ T338] Call Trace: [ 19.218939][ T338] d_walk+0x2d9/0x540 [ 19.222889][ T338] ? __d_free+0x20/0x20 [ 19.227015][ T338] shrink_dcache_for_umount+0x8a/0x1a0 [ 19.232441][ T338] generic_shutdown_super+0x63/0x2a0 [ 19.237692][ T338] kill_block_super+0x79/0xd0 [ 19.242365][ T338] deactivate_locked_super+0xaf/0x100 [ 19.247703][ T338] deactivate_super+0x1b3/0x270 [ 19.252532][ T338] ? deactivate_locked_super+0x100/0x100 [ 19.258130][ T338] ? dput+0x4de/0x5d0 [ 19.262077][ T338] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 19.267163][ T338] ? find_next_bit+0xc6/0x110 [ 19.271808][ T338] cleanup_mnt+0x432/0x4e0 [ 19.276205][ T338] task_work_run+0x186/0x1b0 [ 19.280761][ T338] do_exit+0xcb9/0x2bf0 [ 19.284884][ T338] ? mm_update_next_owner+0x5c0/0x5c0 [ 19.290240][ T338] ? __up_read+0x6f/0x1b0 [ 19.294536][ T338] ? __down_read+0x210/0x210 [ 19.299093][ T338] ? check_preemption_disabled+0x154/0x330 [ 19.304869][ T338] ? debug_smp_processor_id+0x20/0x20 [ 19.310208][ T338] do_group_exit+0x15c/0x2c0 [ 19.314767][ T338] ? do_user_addr_fault+0x6b0/0xb40 [ 19.319931][ T338] __do_sys_exit_group+0x13/0x20 [ 19.324836][ T338] __se_sys_exit_group+0x10/0x10 [ 19.329741][ T338] __x64_sys_exit_group+0x37/0x40 [ 19.334745][ T338] do_syscall_64+0xcb/0x1e0 [ 19.339215][ T338] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 19.345071][ T338] RIP: 0033:0x442e69 [ 19.348941][ T338] Code: Bad RIP value. [ 19.353081][ T338] RSP: 002b:00007fff42f3cfb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.361466][ T338] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 0000000000442e69 [ 19.369417][ T338] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 19.377355][ T338] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000004af000 [ 19.385307][ T338] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0 [ 19.393248][ T338] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 19.401204][ T338] ---[ end trace 25f76b067c28c96d ]--- [ 19.410428][