[ 7.693828][ T22] audit: type=1400 audit(1634988185.099:67): avc: denied { read write } for pid=236 comm="getty" name="utmp" dev="tmpfs" ino=10138 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.697491][ T22] audit: type=1400 audit(1634988185.099:68): avc: denied { open } for pid=236 comm="getty" path="/run/utmp" dev="tmpfs" ino=10138 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.701078][ T22] audit: type=1400 audit(1634988185.099:69): avc: denied { lock } for pid=236 comm="getty" path="/run/utmp" dev="tmpfs" ino=10138 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.704266][ T22] audit: type=1400 audit(1634988185.099:70): avc: denied { read } for pid=236 comm="getty" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 syzkaller syzkaller login: [ 12.865258][ T22] audit: type=1400 audit(1634988190.269:71): avc: denied { transition } for pid=264 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.870382][ T22] audit: type=1400 audit(1634988190.279:72): avc: denied { write } for pid=264 comm="sh" path="pipe:[704]" dev="pipefs" ino=704 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.1.252' (ECDSA) to the list of known hosts. executing program [ 24.823976][ T22] audit: type=1400 audit(1634988202.229:73): avc: denied { execmem } for pid=298 comm="syz-executor275" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.828350][ T22] audit: type=1400 audit(1634988202.229:74): avc: denied { mounton } for pid=299 comm="syz-executor275" 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 [ 24.832117][ T22] audit: type=1400 audit(1634988202.229:75): avc: denied { mount } for pid=299 comm="syz-executor275" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 24.835611][ T22] audit: type=1400 audit(1634988202.229:76): avc: denied { mounton } for pid=299 comm="syz-executor275" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 24.847798][ T22] audit: type=1400 audit(1634988202.249:77): avc: denied { mounton } for pid=299 comm="syz-executor275" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.853019][ T299] incfs: Can't find or create .index dir in ./file0 [ 24.870509][ T22] audit: type=1400 audit(1634988202.259:78): avc: denied { mount } for pid=299 comm="syz-executor275" name="/" dev="9p" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 24.899436][ T299] BUG: Dentry ffff8881e6a7caa0{i=0,n=.index} still in use (1) [unmount of 9p 9p] [ 24.899482][ T22] audit: type=1400 audit(1634988202.259:79): avc: denied { mounton } for pid=299 comm="syz-executor275" path="/root/file0" dev="9p" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 24.908658][ T299] ------------[ cut here ]------------ [ 24.931182][ T22] audit: type=1400 audit(1634988202.259:80): avc: denied { write } for pid=299 comm="syz-executor275" name="/" dev="9p" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 24.936581][ T299] WARNING: CPU: 0 PID: 299 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 24.958079][ T22] audit: type=1400 audit(1634988202.259:81): avc: denied { add_name } for pid=299 comm="syz-executor275" name=".index" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 24.966367][ T299] Modules linked in: [ 24.966378][ T299] CPU: 0 PID: 299 Comm: syz-executor275 Not tainted 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 24.966382][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.966397][ T299] RIP: 0010:umount_check+0x179/0x1c0 [ 24.987379][ T22] audit: type=1400 audit(1634988202.259:82): avc: denied { create } for pid=299 comm="syz-executor275" name=".index" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=dir permissive=1 [ 24.991222][ 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 [ 24.991226][ T299] RSP: 0018:ffff8881de08fb58 EFLAGS: 00010282 [ 25.062594][ T299] RAX: 000000000000004f RBX: ffffffff85de78e0 RCX: 27c1f4af29334600 [ 25.070567][ T299] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 25.078505][ T299] RBP: ffff8881de25a420 R08: ffffffff814b2a4c R09: ffffed103edc9608 [ 25.086441][ T299] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 25.094379][ T299] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e6a7caa0 [ 25.102316][ T299] FS: 00005555562de300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.111214][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.117780][ T299] CR2: 00007f3bb8382290 CR3: 00000001edc66000 CR4: 00000000003406f0 [ 25.125729][ T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.133670][ T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.141605][ T299] Call Trace: [ 25.144867][ T299] d_walk+0x2d9/0x540 [ 25.148830][ T299] ? __d_free+0x20/0x20 [ 25.152959][ T299] shrink_dcache_for_umount+0x8a/0x1a0 [ 25.158390][ T299] generic_shutdown_super+0x63/0x2a0 [ 25.163639][ T299] kill_anon_super+0x36/0x60 [ 25.168193][ T299] v9fs_kill_super+0x48/0x90 [ 25.172750][ T299] deactivate_locked_super+0xaf/0x100 [ 25.178092][ T299] deactivate_super+0x168/0x210 [ 25.182907][ T299] cleanup_mnt+0x432/0x4e0 [ 25.187288][ T299] task_work_run+0x186/0x1b0 [ 25.191843][ T299] do_exit+0xc0a/0x2aa0 [ 25.195964][ T299] do_group_exit+0x15c/0x2c0 [ 25.200526][ T299] ? do_user_addr_fault+0x6b0/0xb40 [ 25.205706][ T299] __do_sys_exit_group+0x13/0x20 [ 25.210610][ T299] __se_sys_exit_group+0x10/0x10 [ 25.215512][ T299] __x64_sys_exit_group+0x37/0x40 [ 25.220511][ T299] do_syscall_64+0xcb/0x1e0 [ 25.224981][ T299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.230848][ T299] RIP: 0033:0x7f3bb830c9a9 [ 25.235233][ T299] Code: Bad RIP value. [ 25.239266][ T299] RSP: 002b:00007ffddaf25bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.247731][ T299] RAX: ffffffffffffffda RBX: 00007f3bb83813f0 RCX: 00007f3bb830c9a9 [ 25.255668][ T299] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 25.263605][ T299] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f3bb837be40 [ 25.271552][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3bb83813f0 [ 25.279488][ T299] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 25.287427][ T299] ---[ end trace eedf99dc52fe48f0 ]--- [ 25.293605][ T299] VFS: Busy inodes after unmount of 9p. Self-destruct in 5 seconds. Have a nice day... [ 25.304080][ T299] 9pnet: Found fid 0 not clunked [ 25.309000][ T299] 9pnet: Found fid 1 not clunked