Warning: Permanently added '10.128.1.112' (ECDSA) to the list of known hosts. executing program [ 26.501767][ T22] audit: type=1400 audit(1634552466.040:73): avc: denied { execmem } for pid=298 comm="syz-executor344" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 26.521182][ T22] audit: type=1400 audit(1634552466.040:74): avc: denied { mounton } for pid=299 comm="syz-executor344" 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 [ 26.545340][ T22] audit: type=1400 audit(1634552466.040:75): avc: denied { mount } for pid=299 comm="syz-executor344" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 26.551741][ T299] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 26.567677][ T22] audit: type=1400 audit(1634552466.040:76): avc: denied { mounton } for pid=299 comm="syz-executor344" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 26.594516][ T299] EXT4-fs error (device loop0): __ext4_new_inode:930: comm syz-executor344: reserved inode found cleared - inode=1 [ 26.598002][ T22] audit: type=1400 audit(1634552466.060:77): avc: denied { read write } for pid=299 comm="syz-executor344" name="loop0" dev="devtmpfs" ino=1154 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 26.610589][ T299] incfs: Can't find or create .index dir in ./file0 [ 26.634239][ T22] audit: type=1400 audit(1634552466.060:78): avc: denied { open } for pid=299 comm="syz-executor344" path="/dev/loop0" dev="devtmpfs" ino=1154 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 26.664958][ T22] audit: type=1400 audit(1634552466.060:79): avc: denied { ioctl } for pid=299 comm="syz-executor344" path="/dev/loop0" dev="devtmpfs" ino=1154 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 26.665326][ T299] BUG: Dentry ffff8881e71bf440{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 26.690636][ T22] audit: type=1400 audit(1634552466.070:80): avc: denied { mounton } for pid=299 comm="syz-executor344" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 26.700227][ T299] ------------[ cut here ]------------ [ 26.722824][ T22] audit: type=1400 audit(1634552466.110:81): avc: denied { mount } for pid=299 comm="syz-executor344" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 26.728234][ T299] WARNING: CPU: 0 PID: 299 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 26.749995][ T22] audit: type=1400 audit(1634552466.130:82): avc: denied { mounton } for pid=299 comm="syz-executor344" path="/root/file0" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 26.758255][ T299] Modules linked in: [ 26.758267][ T299] CPU: 0 PID: 299 Comm: syz-executor344 Not tainted 5.4.125-syzkaller-00028-g73e6d86c30ee #0 [ 26.758276][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.805071][ T299] RIP: 0010:umount_check+0x179/0x1c0 [ 26.810327][ T299] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 20 0d e9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 07 a2 af 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 [ 26.829982][ T299] RSP: 0018:ffff8881de68fa58 EFLAGS: 00010282 [ 26.836015][ T299] RAX: 0000000000000054 RBX: ffffffff85faa1c0 RCX: 12341080312d1700 [ 26.843952][ T299] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 26.851900][ T299] RBP: ffff8881de06d420 R08: ffffffff814e90e7 R09: 0000000000000003 [ 26.859849][ T299] R10: ffffed103bcd1ec1 R11: 0000000000000004 R12: dffffc0000000000 [ 26.867795][ T299] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e71bf440 [ 26.875741][ T299] FS: 000055555663c300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.884638][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.891190][ T299] CR2: 00007f7ce03431d0 CR3: 00000001ed060000 CR4: 00000000003406f0 [ 26.899134][ T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.907081][ T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.915021][ T299] Call Trace: [ 26.918284][ T299] d_walk+0x2d9/0x540 [ 26.922234][ T299] ? __d_free+0x20/0x20 [ 26.926358][ T299] shrink_dcache_for_umount+0x8a/0x1a0 [ 26.931788][ T299] generic_shutdown_super+0x63/0x2a0 [ 26.937042][ T299] kill_block_super+0x79/0xd0 [ 26.941690][ T299] deactivate_locked_super+0xaf/0x100 [ 26.947032][ T299] deactivate_super+0x1b3/0x270 [ 26.951849][ T299] ? deactivate_locked_super+0x100/0x100 [ 26.957448][ T299] ? dput+0x4de/0x5d0 [ 26.961398][ T299] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 26.966489][ T299] ? find_next_bit+0xc6/0x110 [ 26.971143][ T299] cleanup_mnt+0x432/0x4e0 [ 26.975530][ T299] task_work_run+0x186/0x1b0 [ 26.980087][ T299] do_exit+0xcb9/0x2bf0 [ 26.984217][ T299] ? mm_update_next_owner+0x5c0/0x5c0 [ 26.989569][ T299] ? __up_read+0x6f/0x1b0 [ 26.993867][ T299] ? __down_read+0x210/0x210 [ 26.998425][ T299] ? check_preemption_disabled+0x154/0x330 [ 27.004201][ T299] ? debug_smp_processor_id+0x20/0x20 [ 27.009548][ T299] do_group_exit+0x15c/0x2c0 [ 27.014115][ T299] ? do_user_addr_fault+0x6b0/0xb40 [ 27.019287][ T299] __do_sys_exit_group+0x13/0x20 [ 27.024196][ T299] __se_sys_exit_group+0x10/0x10 [ 27.029104][ T299] __x64_sys_exit_group+0x37/0x40 [ 27.034098][ T299] do_syscall_64+0xcb/0x1e0 [ 27.038570][ T299] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.044431][ T299] RIP: 0033:0x7f7ce02ce0a9 [ 27.048820][ T299] Code: Bad RIP value. [ 27.052855][ T299] RSP: 002b:00007ffdcd615f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.061231][ T299] RAX: ffffffffffffffda RBX: 00007f7ce0342330 RCX: 00007f7ce02ce0a9 [ 27.069171][ T299] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 27.077108][ T299] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f7ce033ce40 [ 27.085046][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ce0342330 [ 27.092987][ T299] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 27.100927][ T299] ---[ end trace a