Warning: Permanently added '10.128.0.83' (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 (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 (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)[ 20.378227][ T22] audit: type=1400 audit(1628107491.435:8): avc: denied { execmem } for pid=334 comm="syz-executor602" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 20.422665][ T335] incfs: Can't find or create .index dir in ./file0 [ 20.432004][ T335] BUG: Dentry ffff8881ecbbb000{i=0,n=.index} still in use (1) [unmount of msdos loop0] [ 20.441899][ T335] ------------[ cut here ]------------ [ 20.447354][ T335] WARNING: CPU: 0 PID: 335 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 20.455839][ T335] Modules linked in: [ 20.459716][ T335] CPU: 0 PID: 335 Comm: syz-executor602 Not tainted 5.4.125-syzkaller-00012-ge7e1f9adf836 #0 [ 20.469827][ T335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.479863][ T335] RIP: 0010:umount_check+0x179/0x1c0 [ 20.485115][ T335] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 a0 0c e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 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 [ 20.504703][ T335] RSP: 0018:ffff8881e5807a58 EFLAGS: 00010282 [ 20.510749][ T335] RAX: 0000000000000055 RBX: ffffffff85fc6160 RCX: 9e85aeb3b4f6d300 [ 20.518693][ T335] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 20.526649][ T335] RBP: ffff8881eed6b420 R08: ffffffff814e90d7 R09: ffffed103edc9608 [ 20.534593][ T335] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 20.542536][ T335] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecbbb000 [ 20.550478][ T335] FS: 00000000011463c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 20.559383][ T335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.565937][ T335] CR2: 000055e9ed6bd000 CR3: 00000001e04bd000 CR4: 00000000001406f0 [ 20.573881][ T335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.581837][ T335] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.589775][ T335] Call Trace: [ 20.593043][ T335] d_walk+0x2d9/0x540 [ 20.596998][ T335] ? __d_free+0x20/0x20 [ 20.601136][ T335] shrink_dcache_for_umount+0x8a/0x1a0 [ 20.606562][ T335] generic_shutdown_super+0x63/0x2a0 [ 20.611818][ T335] kill_block_super+0x79/0xd0 [ 20.616465][ T335] deactivate_locked_super+0xaf/0x100 [ 20.621805][ T335] deactivate_super+0x1b3/0x270 [ 20.626637][ T335] ? deactivate_locked_super+0x100/0x100 [ 20.632237][ T335] ? dput+0x4de/0x5d0 [ 20.636188][ T335] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 20.641270][ T335] ? find_next_bit+0xc6/0x110 [ 20.645927][ T335] cleanup_mnt+0x432/0x4e0 [ 20.650315][ T335] task_work_run+0x186/0x1b0 [ 20.654880][ T335] do_exit+0xcb9/0x2bf0 [ 20.659005][ T335] ? finish_task_switch+0x130/0x550 [ 20.664173][ T335] ? mm_update_next_owner+0x5c0/0x5c0 [ 20.669518][ T335] ? debug_smp_processor_id+0x20/0x20 [ 20.674871][ T335] ? __schedule+0x9b8/0x1170 [ 20.679433][ T335] ? __fpregs_load_activate+0x1d7/0x3c0 [ 20.684950][ T335] do_group_exit+0x15c/0x2c0 [ 20.689514][ T335] __do_sys_exit_group+0x13/0x20 [ 20.694423][ T335] __se_sys_exit_group+0x10/0x10 [ 20.699332][ T335] __x64_sys_exit_group+0x37/0x40 [ 20.704325][ T335] do_syscall_64+0xcb/0x1e0 [ 20.708800][ T335] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.714663][ T335] RIP: 0033:0x4434c9 [ 20.718535][ T335] Code: Bad RIP value. [ 20.722574][ T335] RSP: 002b:00007ffe27a208e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.730954][ T335] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 00000000004434c9 [ 20.738894][ T335] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 20.746834][ T335] RBP: 0000000000000001 R08: ffffffffffffffc4 R09: 0000000000000000 [ 20.754782][ T335] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0 [ 20.762741][ T335] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 20.770685][ T335] ---[ end trace aa35ab90cac1b838 ]--- [ ***[ 20.779477][ T335] BUG: Dentry ffff8881ecbbb000{i=0,n=.index} still in use (1) [unmount of msdos loop0] ] A start [ 20.789482][ T335] ------------[ cut here ]------------ [ 20.796197][ T335] WARNING: CPU: 1 PID: 335 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 20.804480][ T335] Modules linked in: [ 20.808357][ T335] CPU: 1 PID: 335 Comm: syz-executor602 Tainted: G W 5.4.125-syzkaller-00012-ge7e1f9adf836 #0 [ 20.820042][ T335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.830088][ T335] RIP: 0010:umount_check+0x179/0x1c0 [ 20.835350][ T335] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 a0 0c e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 37 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 [ 20.854939][ T335] RSP: 0018:ffff8881e5807a58 EFLAGS: 00010282 [ 20.860976][ T335] RAX: 0000000000000055 RBX: ffffffff85fc6160 RCX: 9e85aeb3b4f6d300 [ 20.868926][ T335] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 20.876873][ T335] RBP: ffff8881eed6b420 R08: ffffffff814e90d7 R09: ffffed103ede9608 [ 20.884904][ T335] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 20.892863][ T335] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecbbb000 [ 20.900816][ T335] FS: 00000000011463c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 20.909714][ T335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.916288][ T335] CR2: 000056092d4f2340 CR3: 00000001e937d000 CR4: 00000000001406e0 [ 20.924355][ T335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.932305][ T335] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.940245][ T335] Call Trace: [ 20.943512][ T335] d_walk+0x2d9/0x540 [ 20.947466][ T335] ? __d_free+0x20/0x20 [ 20.951594][ T335] shrink_dcache_for_umount+0x8a/0x1a0 [ 20.957030][ T335] generic_shutdown_super+0x63/0x2a0 [ 20.962283][ T335] kill_block_super+0x79/0xd0 [ 20.966929][ T335] deactivate_locked_super+0xaf/0x100 [ 20.972280][ T335] deactivate_super+0x1b3/0x270 [ 20.977285][ T335] ? deactivate_locked_super+0x100/0x100 [ 20.982892][ T335] ? dput+0x4de/0x5d0 [ 20.986844][ T335] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 20.991936][ T335] ? find_next_bit+0xc6/0x110 [ 20.996675][ T335] cleanup_mnt+0x432/0x4e0 [ 21.001097][ T335] task_work_run+0x186/0x1b0 [ 21.005658][ T335] do_exit+0xcb9/0x2bf0 [ 21.009786][ T335] ? finish_task_switch+0x130/0x550 [ 21.014955][ T335] ? mm_update_next_owner+0x5c0/0x5c0 [ 21.020298][ T335] ? debug_smp_processor_id+0x20/0x20 [ 21.025642][ T335] ? __schedule+0x9b8/0x1170 [ 21.030203][ T335] ? __fpregs_load_activate+0x1d7/0x3c0 [ 21.035891][ T335] do_group_exit+0x15c/0x2c0 [ 21.040452][ T335] __do_sys_exit_group+0x13/0x20 [ 21.045363][ T335] __se_sys_exit_group+0x10/0x10 [ 21.050271][ T335] __x64_sys_exit_group+0x37/0x40 [ 21.055284][ T335] do_syscall_64+0xcb/0x1e0 [ 21.059758][ T335] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.065618][ T335] RIP: 0033:0x4434c9 [ 21.069482][ T335] Code: Bad RIP value. [ 21.073514][ T335] RSP: 002b:00007ffe27a208e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 21.081890][ T335] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 00000000004434c9 [ 21.089829][ T335] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 21.097768][ T335] RBP: 0000000000000001 R08: ffffffffffffffc4 R09: 0000000000000000 [ 21.105727][ T335] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0 [ 21.113667][ T335] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 21.121608][ T335] ---[ end trace aa35ab90cac1b839 ]--- job is running for dev-ttyS0.dev[ 21.128938][ T335] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... ice (13s / 1min 30s)