Warning: Permanently added '10.128.1.76' (ECDSA) to the list of known hosts. executing program [ 22.393114][ T22] audit: type=1400 audit(1643901949.690:73): avc: denied { execmem } for pid=298 comm="syz-executor534" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.415211][ T22] audit: type=1400 audit(1643901949.690:74): avc: denied { mounton } for pid=300 comm="syz-executor534" 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 [ 22.439361][ T300] BUG: Dentry ffff8881e720c880{i=474,n=.incomplete} still in use (1) [unmount of incremental-fs incremental-fs] [ 22.439549][ T22] audit: type=1400 audit(1643901949.690:75): avc: denied { mount } for pid=300 comm="syz-executor534" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 22.451305][ T300] ------------[ cut here ]------------ [ 22.473703][ T22] audit: type=1400 audit(1643901949.690:76): avc: denied { mounton } for pid=300 comm="syz-executor534" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 22.478995][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.478997][ T300] Modules linked in: [ 22.479007][ T300] CPU: 1 PID: 300 Comm: syz-executor534 Not tainted 5.4.161-syzkaller-00053-gac3eac18e72e #0 [ 22.479011][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.479019][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 22.479027][ T300] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 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 [ 22.479031][ T300] RSP: 0018:ffff8881dea47b70 EFLAGS: 00010292 [ 22.479037][ T300] RAX: 000000000000006e RBX: ffffffff85de5820 RCX: d99cffd9f15bef00 [ 22.479041][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 22.479046][ T300] RBP: ffff8881de44d420 R08: ffffffff814b15ec R09: ffffed103bd48f27 [ 22.479049][ T300] R10: ffffed103bd48f27 R11: 0000000000000000 R12: dffffc0000000000 [ 22.479058][ T300] R13: 0000000000000001 R14: 0000000000000474 R15: ffff8881e720c880 [ 22.500893][ T22] audit: type=1400 audit(1643901949.720:77): avc: denied { mounton } for pid=300 comm="syz-executor534" path="/dev/binderfs" dev="devtmpfs" ino=10205 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 22.508925][ T300] FS: 000055555655e300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.508929][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.508934][ T300] CR2: 00007f0a9e8221d0 CR3: 0000000005c0e000 CR4: 00000000003406e0 [ 22.508947][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.512819][ T22] audit: type=1400 audit(1643901949.720:78): avc: denied { mount } for pid=300 comm="syz-executor534" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 22.522919][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.522922][ T300] Call Trace: [ 22.522935][ T300] d_walk+0x2d9/0x540 [ 22.522943][ T300] ? __d_free+0x20/0x20 [ 22.522956][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 22.533065][ T22] audit: type=1400 audit(1643901949.720:79): avc: denied { mounton } for pid=300 comm="syz-executor534" path="/root/file0" dev="sda1" ino=1138 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 22.538241][ T300] generic_shutdown_super+0x63/0x2a0 [ 22.538249][ T300] incfs_kill_sb+0x47/0x70 [ 22.538261][ T300] deactivate_locked_super+0xaf/0x100 [ 22.557880][ T22] audit: type=1400 audit(1643901949.720:80): avc: denied { mounton } for pid=300 comm="syz-executor534" path="/root/file0" dev="incremental-fs" ino=1138 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 22.563876][ T300] deactivate_super+0x168/0x210 [ 22.771357][ T300] cleanup_mnt+0x432/0x4e0 [ 22.775747][ T300] task_work_run+0x186/0x1b0 [ 22.780308][ T300] do_exit+0xc0a/0x2aa0 [ 22.784436][ T300] do_group_exit+0x15c/0x2c0 [ 22.788994][ T300] ? do_user_addr_fault+0x6b0/0xb40 [ 22.794160][ T300] __do_sys_exit_group+0x13/0x20 [ 22.799066][ T300] __se_sys_exit_group+0x10/0x10 [ 22.803988][ T300] __x64_sys_exit_group+0x37/0x40 [ 22.808998][ T300] do_syscall_64+0xcb/0x1e0 [ 22.813490][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.819356][ T300] RIP: 0033:0x7f0a9e7ad569 [ 22.823743][ T300] Code: Bad RIP value. [ 22.827781][ T300] RSP: 002b:00007fff966a9f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.836160][ T300] RAX: ffffffffffffffda RBX: 00007f0a9e821330 RCX: 00007f0a9e7ad569 [ 22.844111][ T300] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 22.852055][ T300] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f0a9e81be40 [ 22.860009][ T300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0a9e821330 [ 22.867955][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 22.875902][ T300] ---[ end trace 0a6cd0199c8f0b23 ]--- [ 22.881384][ T300] BUG: Dentry ffff8881e720c440{i=473,n=.index} still in use (1) [unmount of incremental-fs incremental-fs] [ 22.892893][ T300] ------------[ cut here ]------------ [ 22.898336][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 22.906623][ T300] Modules linked in: [ 22.910493][ T300] CPU: 1 PID: 300 Comm: syz-executor534 Tainted: G W 5.4.161-syzkaller-00053-gac3eac18e72e #0 [ 22.921995][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.932041][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 22.937297][ T300] Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 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 [ 22.956872][ T300] RSP: 0018:ffff8881dea47b70 EFLAGS: 00010292 [ 22.962910][ T300] RAX: 0000000000000069 RBX: ffffffff85de5820 RCX: d99cffd9f15bef00 [ 22.970851][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 22.978800][ T300] RBP: ffff8881de44d420 R08: ffffffff814b15ec R09: ffffed103edeaa08 [ 22.986767][ T300] R10: ffffed103edeaa08 R11: 0000000000000000 R12: dffffc0000000000 [ 22.994709][ T300] R13: 0000000000000001 R14: 0000000000000473 R15: ffff8881e720c440 [ 23.002651][ T300] FS: 000055555655e300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.011545][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.018096][ T300] CR2: 00007f0a9e7ad53f CR3: 0000000005c0e000 CR4: 00000000003406e0 [ 23.026037][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.033979][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.041925][ T300] Call Trace: [ 23.045192][ T300] d_walk+0x2d9/0x540 [ 23.049144][ T300] ? __d_free+0x20/0x20 [ 23.053269][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 23.058701][ T300] generic_shutdown_super+0x63/0x2a0 [ 23.063976][ T300] incfs_kill_sb+0x47/0x70 [ 23.068378][ T300] deactivate_locked_super+0xaf/0x100 [ 23.073731][ T300] deactivate_super+0x168/0x210 [ 23.078556][ T300] cleanup_mnt+0x432/0x4e0 [ 23.082943][ T300] task_work_run+0x186/0x1b0 [ 23.087503][ T300] do_exit+0xc0a/0x2aa0 [ 23.091628][ T300] do_group_exit+0x15c/0x2c0 [ 23.096306][ T300] ? do_user_addr_fault+0x6b0/0xb40 [ 23.101492][ T300] __do_sys_exit_group+0x13/0x20 [ 23.106415][ T300] __se_sys_exit_group+0x10/0x10 [ 23.111331][ T300] __x64_sys_exit_group+0x37/0x40 [ 23.116325][ T300] do_syscall_64+0xcb/0x1e0 [ 23.120798][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 23.126830][ T300] RIP: 0033:0x7f0a9e7ad569 [ 23.131219][ T300] Code: Bad RIP value. [ 23.135256][ T300] RSP: 002b:00007fff966a9f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.143636][ T300] RAX: ffffffffffffffda RBX: 00007f0a9e821330 RCX: 00007f0a9e7ad569 [ 23.151590][ T300] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 23.159548][ T300] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f0a9e81be40 [ 23.167676][ T300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0a9e821330 [ 23.175645][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 23.183602][ T300] ---[ end trace 0a6cd0199c8f0b24 ]--- [ 23.189276][ T300] VFS: Busy inodes after unmount of incremental-fs. Self-destru