Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. executing program [ 21.810273][ T23] audit: type=1400 audit(1635243118.229:73): avc: denied { execmem } for pid=365 comm="syz-executor749" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.827154][ T367] ====================================================== [ 21.827154][ T367] WARNING: the mand mount option is being deprecated and [ 21.827154][ T367] will be removed in v5.15! [ 21.827154][ T367] ====================================================== [ 21.832487][ T23] audit: type=1400 audit(1635243118.229:74): avc: denied { mounton } for pid=366 comm="syz-executor749" 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 [ 21.879473][ T23] audit: type=1400 audit(1635243118.229:75): avc: denied { mount } for pid=366 comm="syz-executor749" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 21.901931][ T23] audit: type=1400 audit(1635243118.229:76): avc: denied { mounton } for pid=366 comm="syz-executor749" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 21.906520][ T367] incfs: Can't find or create .incomplete dir in ./file0 [ 21.923741][ T23] audit: type=1400 audit(1635243118.239:77): avc: denied { read write } for pid=366 comm="syz-executor749" name="loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.955199][ T23] audit: type=1400 audit(1635243118.239:78): avc: denied { open } for pid=366 comm="syz-executor749" path="/dev/loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.955406][ T370] BUG: Dentry ffff8881195ab550{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 21.979654][ T23] audit: type=1400 audit(1635243118.239:79): avc: denied { ioctl } for pid=366 comm="syz-executor749" path="/dev/loop0" dev="devtmpfs" ino=115 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.989436][ T370] ------------[ cut here ]------------ [ 22.015106][ T23] audit: type=1400 audit(1635243118.239:80): avc: denied { mounton } for pid=366 comm="syz-executor749" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 22.020438][ T370] WARNING: CPU: 1 PID: 370 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 22.043274][ T23] audit: type=1400 audit(1635243118.299:81): avc: denied { mount } for pid=366 comm="syz-executor749" name="/" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=filesystem permissive=1 [ 22.051427][ T370] Modules linked in: [ 22.073600][ T23] audit: type=1400 audit(1635243118.299:82): avc: denied { mounton } for pid=366 comm="syz-executor749" path="/root/file0" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=dir permissive=1 [ 22.077366][ T370] CPU: 1 PID: 370 Comm: syz-executor749 Not tainted 5.10.75-syzkaller-01082-g234d53d2bb60 #0 [ 22.110063][ T370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.120126][ T370] RIP: 0010:umount_check+0x18d/0x1d0 [ 22.125397][ T370] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 40 43 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 ae d9 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 22.145002][ T370] RSP: 0018:ffffc90000bc7778 EFLAGS: 00010286 [ 22.151075][ T370] RAX: 0000000000000059 RBX: ffffffff866b3380 RCX: 35c4e06c0a5e7200 [ 22.159043][ T370] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 22.166996][ T370] RBP: ffffc90000bc77a8 R08: ffffffff81545368 R09: 0000000000000003 [ 22.174971][ T370] R10: fffff52000178e41 R11: 0000000000000004 R12: ffff8881195ab550 [ 22.182938][ T370] R13: dffffc0000000000 R14: ffff88811d9083f8 R15: 0000000000000001 [ 22.190953][ T370] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.199891][ T370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.206454][ T370] CR2: 00007fdef03d1478 CR3: 000000000640f000 CR4: 00000000003506a0 [ 22.214440][ T370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.222428][ T370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.230400][ T370] Call Trace: [ 22.233676][ T370] d_walk+0x309/0x540 [ 22.237665][ T370] ? __d_free+0x30/0x30 [ 22.241840][ T370] shrink_dcache_for_umount+0x8e/0x1b0 [ 22.247316][ T370] generic_shutdown_super+0x66/0x2c0 [ 22.252642][ T370] kill_block_super+0x80/0xe0 [ 22.257346][ T370] deactivate_locked_super+0xb0/0x100 [ 22.262724][ T370] deactivate_super+0xa5/0xd0 [ 22.267410][ T370] cleanup_mnt+0x45f/0x510 [ 22.271831][ T370] __cleanup_mnt+0x19/0x20 [ 22.276228][ T370] task_work_run+0x147/0x1b0 [ 22.280823][ T370] do_exit+0x70e/0x23a0 [ 22.284970][ T370] ? __fput+0x603/0x7d0 [ 22.289127][ T370] ? ____fput+0x15/0x20 [ 22.293265][ T370] ? syscall_exit_to_user_mode+0x24/0x40 [ 22.298900][ T370] ? do_syscall_64+0x3d/0x70 [ 22.303483][ T370] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.309550][ T370] ? mm_update_next_owner+0x6e0/0x6e0 [ 22.314918][ T370] ? __kasan_check_write+0x14/0x20 [ 22.320056][ T370] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 22.325161][ T370] do_group_exit+0x16a/0x2d0 [ 22.329759][ T370] get_signal+0x133e/0x1f80 [ 22.334505][ T370] ? ptrace_notify+0x340/0x340 [ 22.339384][ T370] ? __kasan_slab_free+0x11/0x20 [ 22.344310][ T370] ? slab_free_freelist_hook+0xb2/0x180 [ 22.349862][ T370] arch_do_signal+0x8d/0x620 [ 22.354441][ T370] ? __do_sys_rt_sigreturn+0x1e0/0x1e0 [ 22.359909][ T370] ? debug_smp_processor_id+0x1c/0x20 [ 22.365272][ T370] exit_to_user_mode_prepare+0xaa/0xe0 [ 22.370736][ T370] syscall_exit_to_user_mode+0x24/0x40 [ 22.376198][ T370] do_syscall_64+0x3d/0x70 [ 22.380624][ T370] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.386527][ T370] RIP: 0033:0x7fdef0380459 [ 22.390938][ T370] Code: Unable to access opcode bytes at RIP 0x7fdef038042f. [ 22.398300][ T370] RSP: 002b:00007fdef030c2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 22.406724][ T370] RAX: fffffffffffffe00 RBX: 00007fdef04054b0 RCX: 00007fdef0380459 [ 22.414699][ T370] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fdef04054b8 [ 22.422683][ T370] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000 [ 22.430654][ T370] R10: 0000000000000000 R11: 0000000000000246 R12: 74755f776f6c6c61 [ 22.438635][ T370] R13: 6d616e74726f6873 R14: 66666f5f656d6974 R15: 00007fdef04054b8 [ 22.446702][ T370] ---[ end trace 8468bc401ec3dc70 ]--- [ 22.452850][ T370] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day...