Warning: Permanently added '10.128.1.222' (ECDSA) to the list of known hosts. executing program [ 22.683357][ T22] audit: type=1400 audit(1635429350.049:73): avc: denied { execmem } for pid=298 comm="syz-executor964" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.706542][ T22] audit: type=1400 audit(1635429350.069:74): avc: denied { mounton } for pid=299 comm="syz-executor964" 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 [ 22.730516][ T22] audit: type=1400 audit(1635429350.069:75): avc: denied { mount } for pid=299 comm="syz-executor964" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 22.752850][ T22] audit: type=1400 audit(1635429350.069:76): avc: denied { mounton } for pid=299 comm="syz-executor964" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 22.774635][ T22] audit: type=1400 audit(1635429350.089:77): avc: denied { read write } for pid=299 comm="syz-executor964" name="loop0" dev="devtmpfs" ino=9358 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 22.799741][ T22] audit: type=1400 audit(1635429350.089:78): avc: denied { open } for pid=299 comm="syz-executor964" path="/dev/loop0" dev="devtmpfs" ino=9358 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 22.801734][ T301] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 22.823885][ T22] audit: type=1400 audit(1635429350.089:79): avc: denied { ioctl } for pid=299 comm="syz-executor964" path="/dev/loop0" dev="devtmpfs" ino=9358 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 22.849996][ T301] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor964: reserved inode found cleared - inode=1 [ 22.858561][ T22] audit: type=1400 audit(1635429350.139:80): avc: denied { mounton } for pid=299 comm="syz-executor964" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 22.870756][ T301] incfs: Can't find or create .index dir in ./file0 [ 22.893227][ T22] audit: type=1400 audit(1635429350.199:81): avc: denied { mount } for pid=299 comm="syz-executor964" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 22.905931][ T301] syz-executor964 (301) used greatest stack depth: 26312 bytes left [ 22.929532][ T22] audit: type=1400 audit(1635429350.199:82): avc: denied { mounton } for pid=299 comm="syz-executor964" path="/root/file0" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 22.952850][ T304] BUG: Dentry ffff8881e6671110{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 22.962512][ T304] ------------[ cut here ]------------ [ 22.967950][ T304] WARNING: CPU: 1 PID: 304 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.976271][ T304] Modules linked in: [ 22.980135][ T304] CPU: 1 PID: 304 Comm: syz-executor964 Not tainted 5.4.147-syzkaller-00039-gcbb80ec0faf2 #0 [ 22.990286][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.000314][ T304] RIP: 0010:umount_check+0x179/0x1c0 [ 23.005573][ T304] 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 [ 23.025243][ T304] RSP: 0018:ffff8881dded7980 EFLAGS: 00010292 [ 23.031274][ T304] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 3def14c06669ad00 [ 23.039234][ T304] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 23.047172][ T304] RBP: ffff8881ddd6a420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 23.055109][ T304] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 23.063045][ T304] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e6671110 [ 23.070985][ T304] FS: 00007f0e92c24700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.079889][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.086438][ T304] CR2: 00007f0e92c23f98 CR3: 00000001ed7e3000 CR4: 00000000003406e0 [ 23.094380][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.102410][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.110346][ T304] Call Trace: [ 23.113614][ T304] d_walk+0x2d9/0x540 [ 23.117564][ T304] ? __d_free+0x20/0x20 [ 23.121686][ T304] shrink_dcache_for_umount+0x8a/0x1a0 [ 23.127110][ T304] generic_shutdown_super+0x63/0x2a0 [ 23.132372][ T304] kill_block_super+0x79/0xd0 [ 23.137016][ T304] deactivate_locked_super+0xaf/0x100 [ 23.142354][ T304] deactivate_super+0x168/0x210 [ 23.147172][ T304] cleanup_mnt+0x432/0x4e0 [ 23.151554][ T304] task_work_run+0x186/0x1b0 [ 23.156122][ T304] do_exit+0xc0a/0x2aa0 [ 23.160245][ T304] do_group_exit+0x15c/0x2c0 [ 23.164802][ T304] get_signal+0x150f/0x1e00 [ 23.169274][ T304] do_signal+0x3b/0x580 [ 23.173404][ T304] prepare_exit_to_usermode+0x207/0x310 [ 23.178919][ T304] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.184783][ T304] RIP: 0033:0x7f0e92c98219 [ 23.189165][ T304] Code: Bad RIP value. [ 23.193196][ T304] RSP: 002b:00007f0e92c242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 23.201569][ T304] RAX: fffffffffffffe00 RBX: 00007f0e92d1d3f0 RCX: 00007f0e92c98219 [ 23.209506][ T304] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0e92d1d3f8 [ 23.217442][ T304] RBP: 00007f0e92d1d3fc R08: 0000000000000000 R09: 0000000000000000 [ 23.225379][ T304] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 23.233315][ T304] R13: e5d26e84aa4cf3c6 R14: 6e656d6572636e69 R15: 00007f0e92d1d3f8 [ 23.241255][ T304] ---[ end trace 355e5f8400416a8e ]--- [ 23.249217][ T304] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...