Warning: Permanently added '10.128.1.34' (ECDSA) to the list of known hosts. executing program [ 21.583483][ T22] audit: type=1400 audit(1635401622.780:73): avc: denied { execmem } for pid=299 comm="syz-executor288" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.604445][ T22] audit: type=1400 audit(1635401622.780:74): avc: denied { mounton } for pid=301 comm="syz-executor288" 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 [ 21.629857][ T22] audit: type=1400 audit(1635401622.780:75): avc: denied { mount } for pid=301 comm="syz-executor288" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 21.630413][ T302] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 21.652424][ T22] audit: type=1400 audit(1635401622.780:76): avc: denied { mounton } for pid=301 comm="syz-executor288" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 21.662580][ T302] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor288: reserved inode found cleared - inode=1 [ 21.682875][ T22] audit: type=1400 audit(1635401622.800:77): avc: denied { read write } for pid=301 comm="syz-executor288" name="loop0" dev="devtmpfs" ino=9364 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.695496][ T302] incfs: Can't find or create .index dir in ./file0 [ 21.719315][ T22] audit: type=1400 audit(1635401622.800:78): avc: denied { open } for pid=301 comm="syz-executor288" path="/dev/loop0" dev="devtmpfs" ino=9364 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.749871][ T22] audit: type=1400 audit(1635401622.800:79): avc: denied { ioctl } for pid=301 comm="syz-executor288" path="/dev/loop0" dev="devtmpfs" ino=9364 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.750105][ T302] BUG: Dentry ffff8881e72c5110{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 21.775600][ T22] audit: type=1400 audit(1635401622.800:80): avc: denied { mounton } for pid=301 comm="syz-executor288" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 21.785336][ T302] ------------[ cut here ]------------ [ 21.808301][ T22] audit: type=1400 audit(1635401622.860:81): avc: denied { mount } for pid=301 comm="syz-executor288" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 21.813708][ T302] WARNING: CPU: 1 PID: 302 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 21.813710][ T302] Modules linked in: [ 21.813719][ T302] CPU: 1 PID: 302 Comm: syz-executor288 Not tainted 5.4.147-syzkaller-00039-gcbb80ec0faf2 #0 [ 21.813723][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.813731][ T302] RIP: 0010:umount_check+0x179/0x1c0 [ 21.813742][ T302] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 13 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 [ 21.835543][ T22] audit: type=1400 audit(1635401622.860:82): avc: denied { mounton } for pid=301 comm="syz-executor288" path="/root/file0" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 21.843785][ T302] RSP: 0018:ffff8881ddd1f980 EFLAGS: 00010292 [ 21.843792][ T302] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 0dd3a8aace896400 [ 21.843796][ T302] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 21.843805][ T302] RBP: ffff8881ddd00420 R08: ffffffff814b2a4c R09: ffffed103bba3ee9 [ 21.945913][ T302] R10: ffffed103bba3ee9 R11: 0000000000000000 R12: dffffc0000000000 [ 21.953855][ T302] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e72c5110 [ 21.961797][ T302] FS: 00007ff02f33c700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 21.970696][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.977268][ T302] CR2: 00007fd26c940dff CR3: 0000000005c0e000 CR4: 00000000003406e0 [ 21.985212][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.993154][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.001100][ T302] Call Trace: [ 22.004365][ T302] d_walk+0x2d9/0x540 [ 22.008768][ T302] ? __d_free+0x20/0x20 [ 22.012893][ T302] shrink_dcache_for_umount+0x8a/0x1a0 [ 22.018332][ T302] generic_shutdown_super+0x63/0x2a0 [ 22.023586][ T302] kill_block_super+0x79/0xd0 [ 22.028244][ T302] deactivate_locked_super+0xaf/0x100 [ 22.033595][ T302] deactivate_super+0x168/0x210 [ 22.038420][ T302] cleanup_mnt+0x432/0x4e0 [ 22.042892][ T302] task_work_run+0x186/0x1b0 [ 22.047468][ T302] do_exit+0xc0a/0x2aa0 [ 22.051598][ T302] do_group_exit+0x15c/0x2c0 [ 22.056160][ T302] get_signal+0x150f/0x1e00 [ 22.060637][ T302] ? ksys_mount+0xe0/0xf0 [ 22.064944][ T302] ? kfree+0xe0/0x660 [ 22.068900][ T302] do_signal+0x3b/0x580 [ 22.073053][ T302] prepare_exit_to_usermode+0x207/0x310 [ 22.078575][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.084446][ T302] RIP: 0033:0x7ff02f38f1c9 [ 22.088966][ T302] Code: Bad RIP value. [ 22.093010][ T302] RSP: 002b:00007ff02f33c2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 22.101626][ T302] RAX: fffffffffffffe00 RBX: 00007ff02f4143e0 RCX: 00007ff02f38f1c9 [ 22.109675][ T302] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff02f4143e8 [ 22.117620][ T302] RBP: 00007ff02f4143ec R08: 0000000000000000 R09: 0000000000000000 [ 22.125582][ T302] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 22.133630][ T302] R13: e5d26e84aa4cf3c6 R14: 6e656d6572636e69 R15: 00007ff02f4143e8 [ 22.141580][ T302] ---[ end trace f4aad65c174e4507 ]--- [ 22.149313][ T302] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...