[ 7.710167][ T22] audit: type=1400 audit(1635316222.089:67): avc: denied { read write } for pid=234 comm="getty" name="utmp" dev="tmpfs" ino=9462 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.713027][ T22] audit: type=1400 audit(1635316222.089:68): avc: denied { open } for pid=234 comm="getty" path="/run/utmp" dev="tmpfs" ino=9462 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.715949][ T22] audit: type=1400 audit(1635316222.089:69): avc: denied { lock } for pid=234 comm="getty" path="/run/utmp" dev="tmpfs" ino=9462 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.718861][ T22] audit: type=1400 audit(1635316222.089:70): avc: denied { read } for pid=234 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: [ 13.930447][ T22] audit: type=1400 audit(1635316228.319:71): avc: denied { transition } for pid=265 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 [ 13.933748][ T22] audit: type=1400 audit(1635316228.319:72): avc: denied { write } for pid=265 comm="sh" path="pipe:[10592]" dev="pipefs" ino=10592 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts. executing program [ 20.459328][ T22] audit: type=1400 audit(1635316234.839:73): avc: denied { execmem } for pid=298 comm="syz-executor890" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.480441][ T22] audit: type=1400 audit(1635316234.859:74): avc: denied { mounton } for pid=300 comm="syz-executor890" 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 [ 20.504503][ T22] audit: type=1400 audit(1635316234.859:75): avc: denied { mount } for pid=300 comm="syz-executor890" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 20.513307][ T300] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 20.526837][ T22] audit: type=1400 audit(1635316234.869:76): avc: denied { mounton } for pid=300 comm="syz-executor890" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 20.550830][ T300] incfs: Can't find or create .index dir in ./file0 [ 20.557933][ T22] audit: type=1400 audit(1635316234.889:77): avc: denied { read write } for pid=300 comm="syz-executor890" name="loop0" dev="devtmpfs" ino=9365 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.588422][ T22] audit: type=1400 audit(1635316234.889:78): avc: denied { open } for pid=300 comm="syz-executor890" path="/dev/loop0" dev="devtmpfs" ino=9365 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.588558][ T300] BUG: Dentry ffff8881e667e660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 20.612570][ T22] audit: type=1400 audit(1635316234.889:79): avc: denied { ioctl } for pid=300 comm="syz-executor890" path="/dev/loop0" dev="devtmpfs" ino=9365 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.622203][ T300] ------------[ cut here ]------------ [ 20.647778][ T22] audit: type=1400 audit(1635316234.889:80): avc: denied { mounton } for pid=300 comm="syz-executor890" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 20.653200][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 20.653207][ T300] Modules linked in: [ 20.675851][ T22] audit: type=1400 audit(1635316234.929:81): avc: denied { mount } for pid=300 comm="syz-executor890" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 20.684376][ T300] CPU: 1 PID: 300 Comm: syz-executor890 Not tainted 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 20.684380][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.684394][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 20.688266][ T22] audit: type=1400 audit(1635316234.939:82): avc: denied { mounton } for pid=300 comm="syz-executor890" path="/root/file0" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 20.710001][ T300] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 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 [ 20.710006][ T300] RSP: 0018:ffff8881de52fb78 EFLAGS: 00010286 [ 20.710012][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: ec523b2738d67a00 [ 20.710015][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 20.710018][ T300] RBP: ffff8881de708420 R08: ffffffff814b2a4c R09: ffffed103bca5f27 [ 20.710022][ T300] R10: ffffed103bca5f27 R11: 0000000000000000 R12: dffffc0000000000 [ 20.710025][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e667e660 [ 20.710030][ T300] FS: 00005555562bf300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 20.710035][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.710044][ T300] CR2: 00007fdeec7991d0 CR3: 00000001ed003000 CR4: 00000000003406e0 [ 20.847669][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.855631][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.863571][ T300] Call Trace: [ 20.866831][ T300] d_walk+0x2d9/0x540 [ 20.870777][ T300] ? __d_free+0x20/0x20 [ 20.874899][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 20.880331][ T300] generic_shutdown_super+0x63/0x2a0 [ 20.885580][ T300] kill_block_super+0x79/0xd0 [ 20.890222][ T300] deactivate_locked_super+0xaf/0x100 [ 20.895581][ T300] deactivate_super+0x168/0x210 [ 20.900399][ T300] cleanup_mnt+0x432/0x4e0 [ 20.904797][ T300] task_work_run+0x186/0x1b0 [ 20.909354][ T300] do_exit+0xc0a/0x2aa0 [ 20.913474][ T300] do_group_exit+0x15c/0x2c0 [ 20.918032][ T300] ? do_user_addr_fault+0x6b0/0xb40 [ 20.923202][ T300] __do_sys_exit_group+0x13/0x20 [ 20.928122][ T300] __se_sys_exit_group+0x10/0x10 [ 20.933028][ T300] __x64_sys_exit_group+0x37/0x40 [ 20.938030][ T300] do_syscall_64+0xcb/0x1e0 [ 20.942503][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 20.948373][ T300] RIP: 0033:0x7fdeec724069 [ 20.952755][ T300] Code: Bad RIP value. [ 20.956783][ T300] RSP: 002b:00007ffd4b348f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.965154][ T300] RAX: ffffffffffffffda RBX: 00007fdeec798330 RCX: 00007fdeec724069 [ 20.973090][ T300] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 20.981027][ T300] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fdeec792e40 [ 20.988979][ T300] R10: 0000000000010000 R11: 0000000000000246 R12: 00007fdeec798330 [ 20.996924][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 21.004880][ T300] ---[ end trace a0e8e77dc0a35a5a ]--- [