Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. executing program [ *** ] 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 (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)[ 23.013879][ T22] audit: type=1400 audit(1625699292.629:8): avc: denied { execmem } for pid=343 comm="syz-executor031" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 23.051159][ T344] incfs: Can't find or create .incomplete dir in ./file0 [ 23.059093][ T344] BUG: Dentry ffff8881dcc18880{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 23.069226][ T344] ------------[ cut here ]------------ [ 23.074694][ T344] WARNING: CPU: 0 PID: 344 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 23.082986][ T344] Modules linked in: [ 23.086867][ T344] CPU: 0 PID: 344 Comm: syz-executor031 Not tainted 5.4.125-syzkaller-00244-g972d251662ee #0 [ 23.096980][ T344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.107022][ T344] RIP: 0010:umount_check+0x179/0x1c0 [ 23.112277][ T344] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 09 e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 a7 a3 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 [ 23.131869][ T344] RSP: 0018:ffff8881e60f7a58 EFLAGS: 00010282 [ 23.137922][ T344] RAX: 0000000000000059 RBX: ffffffff85fc5d00 RCX: db3d7b16c5760000 [ 23.145880][ T344] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 23.153826][ T344] RBP: ffff8881dafbb420 R08: ffffffff814e90a7 R09: ffffed103edc9608 [ 23.161780][ T344] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 23.169736][ T344] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881dcc18880 [ 23.177685][ T344] FS: 0000000000aec300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 23.186596][ T344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.193159][ T344] CR2: 00000000004b51d0 CR3: 0000000005e0e000 CR4: 00000000001406f0 [ 23.201104][ T344] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.209050][ T344] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.216997][ T344] Call Trace: [ 23.220264][ T344] d_walk+0x2d9/0x540 [ 23.224225][ T344] ? __d_free+0x20/0x20 [ 23.228371][ T344] shrink_dcache_for_umount+0x8a/0x1a0 [ 23.233816][ T344] generic_shutdown_super+0x63/0x2a0 [ 23.239120][ T344] kill_block_super+0x79/0xd0 [ 23.243773][ T344] deactivate_locked_super+0xaf/0x100 [ 23.249153][ T344] deactivate_super+0x1b3/0x270 [ 23.253977][ T344] ? deactivate_locked_super+0x100/0x100 [ 23.259587][ T344] ? dput+0x4de/0x5d0 [ 23.263555][ T344] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 23.268635][ T344] ? find_next_bit+0xc6/0x110 [ 23.273309][ T344] cleanup_mnt+0x432/0x4e0 [ 23.277697][ T344] task_work_run+0x186/0x1b0 [ 23.282268][ T344] do_exit+0xcb9/0x2bf0 [ 23.286397][ T344] ? mm_update_next_owner+0x5c0/0x5c0 [ 23.291751][ T344] ? __up_read+0x6f/0x1b0 [ 23.296060][ T344] ? __down_read+0x210/0x210 [ 23.300617][ T344] ? check_preemption_disabled+0x154/0x330 [ 23.306393][ T344] ? debug_smp_processor_id+0x20/0x20 [ 23.311746][ T344] do_group_exit+0x15c/0x2c0 [ 23.316316][ T344] ? do_user_addr_fault+0x6b0/0xb40 [ 23.321494][ T344] __do_sys_exit_group+0x13/0x20 [ 23.326410][ T344] __se_sys_exit_group+0x10/0x10 [ 23.331337][ T344] __x64_sys_exit_group+0x37/0x40 [ 23.336508][ T344] do_syscall_64+0xcb/0x1e0 [ 23.341007][ T344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.346875][ T344] RIP: 0033:0x442e09 [ 23.350755][ T344] Code: Bad RIP value. [ 23.354787][ T344] RSP: 002b:00007ffcaedbbc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.363162][ T344] RAX: ffffffffffffffda RBX: 00000000004b42f0 RCX: 0000000000442e09 [ 23.371105][ T344] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 23.379048][ T344] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00000000004af000 [ 23.386994][ T344] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b42f0 [ 23.394961][ T344] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 23.402908][ T344] ---[ end trace a8fda53304a3ccfd ]--- [ 23.411897][ T344] VFS: Busy inodes aft