Warning: Permanently added '10.128.1.249' (ECDSA) to the list of known hosts. executing program [ 22.402297][ T22] audit: type=1400 audit(1635050609.889:73): avc: denied { execmem } for pid=298 comm="syz-executor007" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.405833][ T22] audit: type=1400 audit(1635050609.889:74): avc: denied { mounton } for pid=299 comm="syz-executor007" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 22.409290][ T22] audit: type=1400 audit(1635050609.889:75): avc: denied { mount } for pid=299 comm="syz-executor007" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 22.413024][ T22] audit: type=1400 audit(1635050609.889:76): avc: denied { mounton } for pid=299 comm="syz-executor007" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 22.423716][ T22] audit: type=1400 audit(1635050609.909:77): avc: denied { read write } for pid=299 comm="syz-executor007" name="loop0" dev="devtmpfs" ino=1680 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 22.447962][ T22] audit: type=1400 audit(1635050609.909:78): avc: denied { open } for pid=299 comm="syz-executor007" path="/dev/loop0" dev="devtmpfs" ino=1680 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 22.466632][ T299] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 22.472327][ T22] audit: type=1400 audit(1635050609.909:79): avc: denied { ioctl } for pid=299 comm="syz-executor007" path="/dev/loop0" dev="devtmpfs" ino=1680 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 22.501766][ T299] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor007: reserved inode found cleared - inode=1 [ 22.506725][ T22] audit: type=1400 audit(1635050609.909:80): avc: denied { mounton } for pid=299 comm="syz-executor007" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 22.518669][ T299] incfs: Can't find or create .index dir in ./file0 [ 22.541410][ T22] audit: type=1400 audit(1635050609.969:81): avc: denied { mount } for pid=299 comm="syz-executor007" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 22.569624][ T22] audit: type=1400 audit(1635050609.989:82): avc: denied { mounton } for pid=299 comm="syz-executor007" path="/root/file0" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 22.569761][ T299] BUG: Dentry ffff8881e6a4c000{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 22.602124][ T299] ------------[ cut here ]------------ [ 22.607602][ T299] WARNING: CPU: 1 PID: 299 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.615884][ T299] Modules linked in: [ 22.619750][ T299] CPU: 1 PID: 299 Comm: syz-executor007 Not tainted 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 22.629857][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.639887][ T299] RIP: 0010:umount_check+0x179/0x1c0 [ 22.645139][ T299] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 e0 14 c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 b7 0e b3 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 [ 22.664709][ T299] RSP: 0018:ffff8881de1d7b78 EFLAGS: 00010286 [ 22.670741][ T299] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: bcf9c132ad0d2800 [ 22.678713][ T299] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 22.686687][ T299] RBP: ffff8881ddc53420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 22.694658][ T299] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 22.702627][ T299] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e6a4c000 [ 22.710563][ T299] FS: 0000555555568300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.719551][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.726099][ T299] CR2: 00007fdc8aa751d0 CR3: 00000001ed6a5000 CR4: 00000000003406e0 [ 22.734038][ T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.741974][ T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.749910][ T299] Call Trace: [ 22.753169][ T299] d_walk+0x2d9/0x540 [ 22.757118][ T299] ? __d_free+0x20/0x20 [ 22.761239][ T299] shrink_dcache_for_umount+0x8a/0x1a0 [ 22.766663][ T299] generic_shutdown_super+0x63/0x2a0 [ 22.771911][ T299] kill_block_super+0x79/0xd0 [ 22.776556][ T299] deactivate_locked_super+0xaf/0x100 [ 22.781891][ T299] deactivate_super+0x168/0x210 [ 22.786724][ T299] cleanup_mnt+0x432/0x4e0 [ 22.791105][ T299] task_work_run+0x186/0x1b0 [ 22.795661][ T299] do_exit+0xc0a/0x2aa0 [ 22.799787][ T299] do_group_exit+0x15c/0x2c0 [ 22.804340][ T299] ? do_user_addr_fault+0x6b0/0xb40 [ 22.809506][ T299] __do_sys_exit_group+0x13/0x20 [ 22.814409][ T299] __se_sys_exit_group+0x10/0x10 [ 22.819311][ T299] __x64_sys_exit_group+0x37/0x40 [ 22.824301][ T299] do_syscall_64+0xcb/0x1e0 [ 22.828772][ T299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.834629][ T299] RIP: 0033:0x7fdc8aa000d9 [ 22.839018][ T299] Code: Bad RIP value. [ 22.843055][ T299] RSP: 002b:00007ffd0aa681a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.851433][ T299] RAX: ffffffffffffffda RBX: 00007fdc8aa74330 RCX: 00007fdc8aa000d9 [ 22.859375][ T299] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 22.867314][ T299] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fdc8aa6ee40 [ 22.875253][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdc8aa74330 [ 22.883223][ T299] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 22.891167][ T299] ---[ end trace 3ea287a08182930f ]--- [ 22.898512][ T299] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...