Warning: Permanently added '10.128.1.227' (ECDSA) to the list of known hosts. executing program [ 21.147977][ T22] audit: type=1400 audit(1634940231.369:73): avc: denied { execmem } for pid=299 comm="syz-executor601" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.169738][ T22] audit: type=1400 audit(1634940231.399:74): avc: denied { mounton } for pid=301 comm="syz-executor601" 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 [ 21.193514][ T302] FAT-fs (loop0): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) [ 21.196138][ T22] audit: type=1400 audit(1634940231.399:75): avc: denied { mount } for pid=301 comm="syz-executor601" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 21.205727][ T302] incfs: Can't find or create .incomplete dir in ./file0 [ 21.226766][ T22] audit: type=1400 audit(1634940231.399:76): avc: denied { mounton } for pid=301 comm="syz-executor601" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 21.256158][ T302] BUG: Dentry ffff8881e69d1330{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 21.256428][ T22] audit: type=1400 audit(1634940231.399:77): avc: denied { read write } for pid=301 comm="syz-executor601" name="loop0" dev="devtmpfs" ino=1162 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.266385][ T302] ------------[ cut here ]------------ [ 21.290971][ T22] audit: type=1400 audit(1634940231.399:78): avc: denied { open } for pid=301 comm="syz-executor601" path="/dev/loop0" dev="devtmpfs" ino=1162 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.296095][ T302] WARNING: CPU: 0 PID: 302 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 21.296097][ T302] Modules linked in: [ 21.296107][ T302] CPU: 0 PID: 302 Comm: syz-executor601 Not tainted 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 21.296110][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.296124][ T302] RIP: 0010:umount_check+0x179/0x1c0 [ 21.320599][ T22] audit: type=1400 audit(1634940231.399:79): avc: denied { ioctl } for pid=301 comm="syz-executor601" path="/dev/loop0" dev="devtmpfs" ino=1162 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 21.328519][ T302] 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 [ 21.328524][ T302] RSP: 0018:ffff8881de78f980 EFLAGS: 00010292 [ 21.328530][ T302] RAX: 0000000000000059 RBX: ffffffff85dc6240 RCX: f122ab2d600d7700 [ 21.328533][ T302] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 21.328538][ T302] RBP: ffff8881de794420 R08: ffffffff814b2a4c R09: ffffed103bcf1ee9 [ 21.328541][ T302] R10: ffffed103bcf1ee9 R11: 0000000000000000 R12: dffffc0000000000 [ 21.328551][ T302] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e69d1330 [ 21.332992][ T22] audit: type=1400 audit(1634940231.399:80): avc: denied { mounton } for pid=301 comm="syz-executor601" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 21.342533][ T302] FS: 00007f4a492ef700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 21.342538][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.342542][ T302] CR2: 00007f4a493930a8 CR3: 0000000005c0e000 CR4: 00000000003406f0 [ 21.342549][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.342553][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.342556][ T302] Call Trace: [ 21.342573][ T302] d_walk+0x2d9/0x540 [ 21.342581][ T302] ? __d_free+0x20/0x20 [ 21.342588][ T302] shrink_dcache_for_umount+0x8a/0x1a0 [ 21.342597][ T302] generic_shutdown_super+0x63/0x2a0 [ 21.342604][ T302] kill_block_super+0x79/0xd0 [ 21.342618][ T302] deactivate_locked_super+0xaf/0x100 [ 21.355648][ T22] audit: type=1400 audit(1634940231.419:81): avc: denied { mount } for pid=301 comm="syz-executor601" name="/" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=filesystem permissive=1 [ 21.358023][ T302] deactivate_super+0x168/0x210 [ 21.383865][ T22] audit: type=1400 audit(1634940231.419:82): avc: denied { mounton } for pid=301 comm="syz-executor601" path="/root/file0" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=dir permissive=1 [ 21.403347][ T302] cleanup_mnt+0x432/0x4e0 [ 21.403357][ T302] task_work_run+0x186/0x1b0 [ 21.403371][ T302] do_exit+0xc0a/0x2aa0 [ 21.403384][ T302] do_group_exit+0x15c/0x2c0 [ 21.612159][ T302] get_signal+0x150f/0x1e00 [ 21.616637][ T302] ? ksys_mount+0xe0/0xf0 [ 21.621024][ T302] ? kfree+0xe0/0x660 [ 21.624979][ T302] do_signal+0x3b/0x580 [ 21.629165][ T302] prepare_exit_to_usermode+0x207/0x310 [ 21.634702][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.640603][ T302] RIP: 0033:0x7f4a49342089 [ 21.645017][ T302] Code: Bad RIP value. [ 21.649082][ T302] RSP: 002b:00007f4a492ef308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 21.657550][ T302] RAX: fffffffffffffe00 RBX: 00007f4a493c73e8 RCX: 00007f4a49342089 [ 21.665517][ T302] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4a493c73e8 [ 21.673557][ T302] RBP: 00007f4a493c73e0 R08: 0000000000000000 R09: 0000000000000000 [ 21.681499][ T302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4a493c73ec [ 21.689454][ T302] R13: 0030656c69662f2e R14: 6e656d6572636e69 R15: 0000000000022000 [ 21.697418][ T302] ---[ end trace a83b58bfcfb3b813 ]--- [ 21.703287][ T302] BUG: Dentry ffff8881e69d1330{i=0,n=.incomplete} still in use (1) [unmount of vfat loop0] [ 21.713595][ T302] ------------[ cut here ]------------ [ 21.719062][ T302] WARNING: CPU: 1 PID: 302 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 21.727509][ T302] Modules linked in: [ 21.731398][ T302] CPU: 1 PID: 302 Comm: syz-executor601 Tainted: G W 5.4.147-syzkaller-00036-geb4a5a5dbd5b #0 [ 21.742934][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.752977][ T302] RIP: 0010:umount_check+0x179/0x1c0 [ 21.758237][ T302] 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 [ 21.778276][ T302] RSP: 0018:ffff8881de78f980 EFLAGS: 00010292 [ 21.784803][ T302] RAX: 0000000000000059 RBX: ffffffff85dc6240 RCX: f122ab2d600d7700 [ 21.792843][ T302] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 21.801397][ T302] RBP: ffff8881de794420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 21.809464][ T302] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 21.817413][ T302] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e69d1330 [ 21.826222][ T302] FS: 00007f4a492ef700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 21.835238][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.841802][ T302] CR2: 000055afda576384 CR3: 00000001ed072000 CR4: 00000000003406e0 [ 21.849865][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.857819][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.865780][ T302] Call Trace: [ 21.869057][ T302] d_walk+0x2d9/0x540 [ 21.873168][ T302] ? __d_free+0x20/0x20 [ 21.877591][ T302] shrink_dcache_for_umount+0x8a/0x1a0 [ 21.883121][ T302] generic_shutdown_super+0x63/0x2a0 [ 21.888383][ T302] kill_block_super+0x79/0xd0 [ 21.893038][ T302] deactivate_locked_super+0xaf/0x100 [ 21.898407][ T302] deactivate_super+0x168/0x210 [ 21.903234][ T302] cleanup_mnt+0x432/0x4e0 [ 21.907620][ T302] task_work_run+0x186/0x1b0 [ 21.912287][ T302] do_exit+0xc0a/0x2aa0 [ 21.916421][ T302] do_group_exit+0x15c/0x2c0 [ 21.920980][ T302] get_signal+0x150f/0x1e00 [ 21.925455][ T302] ? ksys_mount+0xe0/0xf0 [ 21.929749][ T302] ? kfree+0xe0/0x660 [ 21.933700][ T302] do_signal+0x3b/0x580 [ 21.937838][ T302] prepare_exit_to_usermode+0x207/0x310 [ 21.943352][ T302] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 21.949482][ T302] RIP: 0033:0x7f4a49342089 [ 21.953876][ T302] Code: Bad RIP value. [ 21.957927][ T302] RSP: 002b:00007f4a492ef308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 21.966302][ T302] RAX: fffffffffffffe00 RBX: 00007f4a493c73e8 RCX: 00007f4a49342089 [ 21.974441][ T302] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4a493c73e8 [ 21.982479][ T302] RBP: 00007f4a493c73e0 R08: 0000000000000000 R09: 0000000000000000 [ 21.990817][ T302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4a493c73ec [ 21.998761][ T302] R13: 0030656