Warning: Permanently added '10.128.0.97' (ECDSA) to the list of known hosts. executing program [ *] 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)[ *** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (16s / 1min 30s)[* ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[ 24.514352][ T22] audit: type=1400 audit(1633029593.905:8): avc: denied { execmem } for pid=333 comm="syz-executor878" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 24.550445][ T336] incfs: Can't find or create .incomplete dir in ./file0 [ 24.567081][ T339] BUG: Dentry ffff8881ecba7880{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 24.577313][ T339] ------------[ cut here ]------------ [ 24.582768][ T339] WARNING: CPU: 0 PID: 339 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 24.591058][ T339] Modules linked in: [ 24.594930][ T339] CPU: 0 PID: 339 Comm: syz-executor878 Not tainted 5.4.125-syzkaller-00029-g12806d81361b #0 [ 24.605041][ T339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.615093][ T339] RIP: 0010:umount_check+0x179/0x1c0 [ 24.620358][ T339] 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 [ 24.639944][ T339] RSP: 0018:ffff8881e5f37738 EFLAGS: 00010282 [ 24.639951][ T339] RAX: 0000000000000059 RBX: ffffffff85fc5e40 RCX: 8aa423fafbc31800 [ 24.639955][ T339] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 24.639966][ T339] RBP: ffff8881f3aeb420 R08: ffffffff814e90e7 R09: ffffed103edc9608 [ 24.669900][ T339] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 24.677852][ T339] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecba7880 [ 24.685841][ T339] FS: 00007f4f1cc8c700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 24.694750][ T339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.701318][ T339] CR2: 00007f4f1cd50f78 CR3: 0000000005e0e000 CR4: 00000000003406f0 [ 24.709610][ T339] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.717576][ T339] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.725553][ T339] Call Trace: [*[ 24.728846][ T339] d_walk+0x2d9/0x540 [ 24.734215][ T339] ? __d_free+0x20/0x20 [0;31m* [ 24.738353][ T339] shrink_dcache_for_umount+0x8a/0x1a0 [ 24.745096][ T339] generic_shutdown_super+0x63/0x2a0 [ 24.750381][ T339] kill_block_super+0x79/0xd0 [ 24.755046][ T339] deactivate_locked_super+0xaf/0x100 ] [ 24.760399][ T339] deactivate_super+0x1b3/0x270 [ 24.765393][ T339] ? deactivate_locked_super+0x100/0x100 [ 24.771066][ T339] ? dput+0x4de/0x5d0 [ 24.775039][ T339] ? _raw_spin_lock_irq+0xa4/0x1b0 A start job is r[ 24.780151][ T339] ? find_next_bit+0xc6/0x110 [ 24.786221][ T339] cleanup_mnt+0x432/0x4e0 [ 24.790630][ T339] task_work_run+0x186/0x1b0 unning for dev-t[ 24.795209][ T339] do_exit+0xcb9/0x2bf0 tyS0.device (17s[ 24.800726][ T339] ? mm_update_next_owner+0x5c0/0x5c0 [ 24.807554][ T339] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 24.812647][ T339] ? _raw_spin_lock_irqsave+0x210/0x210 / 1min 30s)[ 24.818176][ T339] do_group_exit+0x15c/0x2c0 [ 24.823803][ T339] get_signal+0x164f/0x1fc0 [ 24.828309][ T339] ? ptrace_notify+0x340/0x340 [ 24.833084][ T339] do_signal+0x8d/0x610 [ 24.837235][ T339] ? signal_fault+0x1e0/0x1e0 [ 24.841899][ T339] ? __x64_sys_futex+0x1d/0xf0 [ 24.846635][ T339] prepare_exit_to_usermode+0x207/0x310 [ 24.852174][ T339] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.858038][ T339] RIP: 0033:0x7f4f1cd00059 [ 24.862431][ T339] Code: Bad RIP value. [ 24.866466][ T339] RSP: 002b:00007f4f1cc8c308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 24.874846][ T339] RAX: 0000000000000001 RBX: 00007f4f1cd843f8 RCX: 00007f4f1cd00059 [ 24.883830][ T339] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f1cd843fc [ 24.891772][ T339] RBP: 00007f4f1cd843f0 R08: 00007f4f1cc8c6b8 R09: 0000000000000000 [ 24.899712][ T339] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f1cd843fc [ 24.907656][ T339] R13: 0030656c69662f2e R14: 6e656d6572636e69 R15: 0000000000022000 [ 24.915599][ T339] ---[ end trace 440cfcb0e793fba2 ]--- [ 24.921875][ T339] BUG: Dentry ffff8881ecba7880{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 24.932159][ T339] ------------[ cut here ]------------ [ 24.937609][ T339] WARNING: CPU: 0 PID: 339 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 24.945896][ T339] Modules linked in: [ 24.949780][ T339] CPU: 0 PID: 339 Comm: syz-executor878 Tainted: G W 5.4.125-syzkaller-00029-g12806d81361b #0 [ 24.961304][ T339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.971450][ T339] RIP: 0010:umount_check+0x179/0x1c0 [ 24.976706][ T339] 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 [ 24.996281][ T339] RSP: 0018:ffff8881e5f37738 EFLAGS: 00010282 [ 25.002341][ T339] RAX: 0000000000000059 RBX: ffffffff85fc5e40 RCX: 8aa423fafbc31800 [ 25.010283][ T339] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 25.018228][ T339] RBP: ffff8881f3aeb420 R08: ffffffff814e90e7 R09: ffffed103edc9608 [ 25.026171][ T339] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 25.034116][ T339] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ecba7880 [ 25.042070][ T339] FS: 00007f4f1cc8c700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.050976][ T339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.057533][ T339] CR2: 00007f4f1cd0002f CR3: 00000001de069000 CR4: 00000000003406f0 [ 25.065483][ T339] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.073447][ T339] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.081400][ T339] Call Trace: [ 25.084666][ T339] d_walk+0x2d9/0x540 [ 25.088616][ T339] ? __d_free+0x20/0x20 [ 25.092753][ T339] shrink_dcache_for_umount+0x8a/0x1a0 [ 25.098184][ T339] generic_shutdown_super+0x63/0x2a0 [ 25.103464][ T339] kill_block_super+0x79/0xd0 [ 25.108109][ T339] deactivate_locked_super+0xaf/0x100 [ 25.113479][ T339] deactivate_super+0x1b3/0x270 [ 25.118298][ T339] ? deactivate_locked_super+0x100/0x100 [ 25.123897][ T339] ? dput+0x4de/0x5d0 [ 25.127846][ T339] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 25.132925][ T339] ? find_next_bit+0xc6/0x110 [ 25.137584][ T339] cleanup_mnt+0x432/0x4e0 [ 25.141985][ T339] task_work_run+0x186/0x1b0 [ 25.146547][ T339] do_exit+0xcb9/0x2bf0 [ 25.150674][ T339] ? mm_update_next_owner+0x5c0/0x5c0 [ 25.156015][ T339] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 25.161095][ T339] ? _raw_spin_lock_irqsave+0x210/0x210 [ 25.166613][ T339] do_group_exit+0x15c/0x2c0 [ 25.171176][ T339] get_signal+0x164f/0x1fc0 [ 25.175653][ T339] ? ptrace_notify+0x340/0x340 [ 25.180389][ T339] do_signal+0x8d/0x610 [ 25.184527][ T339] ? signal_fault+0x1e0/0x1e0 [ 25.189175][ T339] ? __x64_sys_futex+0x1d/0xf0 [ 25.193907][ T339] prepare_exit_to_usermode+0x207/0x310 [ 25.199439][ T339] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.205298][ T339] RIP: 0033:0x7f4f1cd00059 [ 25.209695][ T339] Code: Bad RIP value. [ 25.213728][ T339] RSP: 002b:00007f4f1cc8c308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 25.222116][ T339] RAX: 0000000000000001 RBX: 00007f4f1cd843f8 RCX: 00007f4f1cd00059 [ 25.230063][ T339] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f1cd843fc [ 25.238005][ T339] RBP: 00007f4f1cd843f0 R08: 00007f4f1cc8c6b8 R09: 0000000000000000 [ 25.245945][ T339] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f1cd843fc [ 25.253884][ T339] R13: 0030656c69662f2e R14: 6e656d6572636e69 R15: 0000000000022000 [ 25.261825][ T339] ---[ end trace 440cfcb0e793fba3 ]--- [ 25.272029][ T339] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...