[ 7.725606][ T22] audit: type=1400 audit(1635310864.940:68): avc: denied { open } for pid=235 comm="getty" path="/run/utmp" dev="tmpfs" ino=10257 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.729768][ T22] audit: type=1400 audit(1635310864.940:69): avc: denied { lock } for pid=235 comm="getty" path="/run/utmp" dev="tmpfs" ino=10257 scontext=system_u:system_r:getty_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 7.733427][ T22] audit: type=1400 audit(1635310864.940:70): avc: denied { read } for pid=235 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: [ 15.752698][ T22] audit: type=1400 audit(1635310872.980:71): avc: denied { transition } for pid=266 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 [ 15.758054][ T22] audit: type=1400 audit(1635310872.980:72): avc: denied { write } for pid=266 comm="sh" path="pipe:[565]" dev="pipefs" ino=565 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 66.932192][ T67] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.94' (ECDSA) to the list of known hosts. executing program [ 170.630480][ T22] audit: type=1400 audit(1635311027.850:73): avc: denied { execmem } for pid=300 comm="syz-executor831" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 170.650756][ T22] audit: type=1400 audit(1635311027.850:74): avc: denied { read write } for pid=300 comm="syz-executor831" name="loop0" dev="devtmpfs" ino=9399 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 170.653345][ T303] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 170.675315][ T22] audit: type=1400 audit(1635311027.850:75): avc: denied { open } for pid=300 comm="syz-executor831" path="/dev/loop0" dev="devtmpfs" ino=9399 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 170.703197][ T303] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 170.708603][ T22] audit: type=1400 audit(1635311027.850:76): avc: denied { ioctl } for pid=300 comm="syz-executor831" path="/dev/loop0" dev="devtmpfs" ino=9399 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 170.720725][ T303] incfs: Can't find or create .index dir in ./file0 [ 170.746175][ T22] audit: type=1400 audit(1635311027.860:77): avc: denied { mounton } for pid=301 comm="syz-executor831" path="/root/syzkaller.7zOvOS/0/file0" dev="sda1" ino=1139 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 170.776942][ T22] audit: type=1400 audit(1635311027.920:78): avc: denied { mount } for pid=301 comm="syz-executor831" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 170.799036][ T22] audit: type=1400 audit(1635311027.920:79): avc: denied { mounton } for pid=301 comm="syz-executor831" path="/root/syzkaller.7zOvOS/0/file0" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 170.799417][ T300] BUG: Dentry ffff8881e666b660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 170.823584][ T22] audit: type=1400 audit(1635311027.920:80): avc: denied { write } for pid=301 comm="syz-executor831" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 170.833232][ T300] ------------[ cut here ]------------ [ 170.855037][ T22] audit: type=1400 audit(1635311027.920:81): avc: denied { add_name } for pid=301 comm="syz-executor831" name=".index" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 170.860431][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 170.881342][ T22] audit: type=1400 audit(1635311027.920:82): avc: denied { create } for pid=301 comm="syz-executor831" name=".index" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=dir permissive=1 [ 170.889593][ T300] Modules linked in: [ 170.889605][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Not tainted 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 170.889608][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.889624][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 170.939355][ 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 [ 170.958943][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 170.964977][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 170.972917][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 170.980856][ T300] RBP: ffff8881de04b420 R08: ffffffff814b2a4c R09: ffffed103bceff51 [ 170.988795][ T300] R10: ffffed103bceff51 R11: 0000000000000000 R12: dffffc0000000000 [ 170.996736][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e666b660 [ 171.004851][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 171.013745][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 171.020293][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 171.028249][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 171.036194][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 171.044133][ T300] Call Trace: [ 171.047397][ T300] d_walk+0x2d9/0x540 [ 171.051351][ T300] ? __d_free+0x20/0x20 [ 171.055496][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 171.060940][ T300] generic_shutdown_super+0x63/0x2a0 [ 171.066240][ T300] kill_block_super+0x79/0xd0 [ 171.070997][ T300] deactivate_locked_super+0xaf/0x100 [ 171.076347][ T300] deactivate_super+0x168/0x210 [ 171.081199][ T300] cleanup_mnt+0x432/0x4e0 [ 171.085590][ T300] task_work_run+0x186/0x1b0 [ 171.090151][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 171.095678][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.101548][ T300] RIP: 0033:0x7f77262800d7 [ 171.105939][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 171.125513][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 171.133891][ T300] RAX: 0000000000000000 RBX: 0000000000029a73 RCX: 00007f77262800d7 [ 171.141834][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 171.149782][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 171.157808][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 171.165749][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 171.173694][ T300] ---[ end trace dd99333897308e66 ]--- executing program [ 171.180882][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... [ 171.246562][ T308] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 171.256264][ T308] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 171.268651][ T308] incfs: Can't find or create .index dir in ./file0 [ 171.277984][ T300] BUG: Dentry ffff8881e6674220{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 171.287680][ T300] ------------[ cut here ]------------ [ 171.293124][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 171.301417][ T300] Modules linked in: [ 171.305299][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 171.316801][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.326834][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 171.332084][ 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 [ 171.351740][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 171.357772][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 171.365713][ T300] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 171.373650][ T300] RBP: ffff8881de049420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 171.381592][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 171.389530][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e6674220 [ 171.397469][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 171.406379][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 171.412929][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 171.420871][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 171.428812][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 171.436837][ T300] Call Trace: [ 171.440097][ T300] d_walk+0x2d9/0x540 [ 171.444050][ T300] ? __d_free+0x20/0x20 [ 171.448176][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 171.453604][ T300] generic_shutdown_super+0x63/0x2a0 [ 171.458865][ T300] kill_block_super+0x79/0xd0 [ 171.463523][ T300] deactivate_locked_super+0xaf/0x100 [ 171.468875][ T300] deactivate_super+0x168/0x210 [ 171.473695][ T300] cleanup_mnt+0x432/0x4e0 [ 171.478080][ T300] task_work_run+0x186/0x1b0 [ 171.482639][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 171.488159][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.494020][ T300] RIP: 0033:0x7f77262800d7 [ 171.498414][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 171.517985][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 171.526376][ T300] RAX: 0000000000000000 RBX: 0000000000029cd5 RCX: 00007f77262800d7 [ 171.534315][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 171.542264][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 171.550205][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 171.558143][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 171.566093][ T300] ---[ end trace dd99333897308e67 ]--- [ 171.573284][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 171.645949][ T313] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 171.655588][ T313] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 171.668026][ T313] incfs: Can't find or create .index dir in ./file0 [ 171.676824][ T300] BUG: Dentry ffff8881e664d660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 171.686512][ T300] ------------[ cut here ]------------ [ 171.691960][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 171.700258][ T300] Modules linked in: [ 171.704133][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 171.715762][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.725805][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 171.731059][ 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 [ 171.750724][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 171.756771][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 171.764711][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 171.772663][ T300] RBP: ffff8881ddc5e420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 171.780621][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 171.788562][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e664d660 [ 171.796502][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 171.805400][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 171.811949][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 171.819900][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 171.827849][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 171.835968][ T300] Call Trace: [ 171.839237][ T300] d_walk+0x2d9/0x540 [ 171.843191][ T300] ? __d_free+0x20/0x20 [ 171.847320][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 171.852760][ T300] generic_shutdown_super+0x63/0x2a0 [ 171.858024][ T300] kill_block_super+0x79/0xd0 [ 171.862673][ T300] deactivate_locked_super+0xaf/0x100 [ 171.868048][ T300] deactivate_super+0x168/0x210 [ 171.872872][ T300] cleanup_mnt+0x432/0x4e0 [ 171.877265][ T300] task_work_run+0x186/0x1b0 [ 171.881833][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 171.887396][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 171.893263][ T300] RIP: 0033:0x7f77262800d7 [ 171.897674][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 171.917259][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 171.925645][ T300] RAX: 0000000000000000 RBX: 0000000000029e65 RCX: 00007f77262800d7 [ 171.933598][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 171.941541][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 171.949485][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 171.957436][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 171.965393][ T300] ---[ end trace dd99333897308e68 ]--- [ 171.973695][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 172.058504][ T318] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 172.069286][ T318] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 172.081546][ T318] incfs: Can't find or create .index dir in ./file0 [ 172.089670][ T300] BUG: Dentry ffff8881e66d6990{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 172.099397][ T300] ------------[ cut here ]------------ [ 172.104837][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 172.113132][ T300] Modules linked in: [ 172.117144][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 172.128658][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.138713][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 172.143981][ 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 [ 172.163554][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 172.169603][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 172.177552][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 172.185491][ T300] RBP: ffff8881ddc5f420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 172.193432][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 172.201370][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66d6990 [ 172.209311][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 172.218207][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 172.224767][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 172.232724][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 172.240753][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 172.248691][ T300] Call Trace: [ 172.251952][ T300] d_walk+0x2d9/0x540 [ 172.255913][ T300] ? __d_free+0x20/0x20 [ 172.260035][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 172.265458][ T300] generic_shutdown_super+0x63/0x2a0 [ 172.270708][ T300] kill_block_super+0x79/0xd0 [ 172.275351][ T300] deactivate_locked_super+0xaf/0x100 [ 172.280700][ T300] deactivate_super+0x168/0x210 [ 172.285516][ T300] cleanup_mnt+0x432/0x4e0 [ 172.289899][ T300] task_work_run+0x186/0x1b0 [ 172.294456][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 172.299983][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.305838][ T300] RIP: 0033:0x7f77262800d7 [ 172.310220][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 172.329798][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 172.338175][ T300] RAX: 0000000000000000 RBX: 000000000002a001 RCX: 00007f77262800d7 [ 172.346125][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 172.354064][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 172.362002][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 172.369943][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 172.377883][ T300] ---[ end trace dd99333897308e69 ]--- [ 172.385996][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 172.459208][ T323] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 172.468524][ T323] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 172.480915][ T323] incfs: Can't find or create .index dir in ./file0 [ 172.489613][ T300] BUG: Dentry ffff8881e66d7880{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 172.499351][ T300] ------------[ cut here ]------------ [ 172.504789][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 172.513111][ T300] Modules linked in: [ 172.516980][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 172.528480][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.538518][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 172.543781][ 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 [ 172.563358][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 172.569391][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 172.577354][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 172.585300][ T300] RBP: ffff8881ddf42420 R08: ffffffff814b2a4c R09: ffffed103edc9608 [ 172.593250][ T300] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 172.601188][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66d7880 [ 172.609127][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 172.618022][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 172.624572][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 172.632586][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 172.640540][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 172.648486][ T300] Call Trace: [ 172.651749][ T300] d_walk+0x2d9/0x540 [ 172.655695][ T300] ? __d_free+0x20/0x20 [ 172.659817][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 172.665242][ T300] generic_shutdown_super+0x63/0x2a0 [ 172.670517][ T300] kill_block_super+0x79/0xd0 [ 172.675160][ T300] deactivate_locked_super+0xaf/0x100 [ 172.680514][ T300] deactivate_super+0x168/0x210 [ 172.685347][ T300] cleanup_mnt+0x432/0x4e0 [ 172.689893][ T300] task_work_run+0x186/0x1b0 [ 172.694456][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 172.700014][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 172.705873][ T300] RIP: 0033:0x7f77262800d7 [ 172.710254][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 172.729832][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 172.738208][ T300] RAX: 0000000000000000 RBX: 000000000002a192 RCX: 00007f77262800d7 [ 172.746146][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 172.754129][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 172.762069][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 172.770092][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 172.778061][ T300] ---[ end trace dd99333897308e6a ]--- [ 172.785736][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 172.866782][ T328] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 172.878017][ T328] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 172.890443][ T328] incfs: Can't find or create .index dir in ./file0 [ 172.898398][ T300] BUG: Dentry ffff8881e66d7dd0{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 172.908180][ T300] ------------[ cut here ]------------ [ 172.913617][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 172.922055][ T300] Modules linked in: [ 172.925937][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 172.937484][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.947520][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 172.952777][ 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 [ 172.972597][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 172.978633][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 172.986580][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 172.994519][ T300] RBP: ffff8881dd454420 R08: ffffffff814b2a4c R09: ffffed103bceff51 [ 173.002458][ T300] R10: ffffed103bceff51 R11: 0000000000000000 R12: dffffc0000000000 [ 173.010420][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66d7dd0 [ 173.018360][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 173.027253][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 173.033803][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 173.041746][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 173.049865][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 173.057811][ T300] Call Trace: [ 173.061082][ T300] d_walk+0x2d9/0x540 [ 173.065035][ T300] ? __d_free+0x20/0x20 [ 173.069161][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 173.074594][ T300] generic_shutdown_super+0x63/0x2a0 [ 173.079849][ T300] kill_block_super+0x79/0xd0 [ 173.084634][ T300] deactivate_locked_super+0xaf/0x100 [ 173.089979][ T300] deactivate_super+0x168/0x210 [ 173.094819][ T300] cleanup_mnt+0x432/0x4e0 [ 173.099210][ T300] task_work_run+0x186/0x1b0 [ 173.103771][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 173.109289][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 173.115151][ T300] RIP: 0033:0x7f77262800d7 [ 173.119533][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 173.139105][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 173.147494][ T300] RAX: 0000000000000000 RBX: 000000000002a325 RCX: 00007f77262800d7 [ 173.155437][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 173.163391][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 173.171328][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 173.179267][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 173.187208][ T300] ---[ end trace dd99333897308e6b ]--- [ 173.194980][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 173.276566][ T333] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 173.287861][ T333] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 173.300245][ T333] incfs: Can't find or create .index dir in ./file0 [ 173.309510][ T300] BUG: Dentry ffff8881e66a4330{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 173.319250][ T300] ------------[ cut here ]------------ [ 173.324684][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 173.332970][ T300] Modules linked in: [ 173.336838][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 173.348337][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.358382][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 173.363637][ 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 [ 173.383214][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 173.389249][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 173.397190][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 173.405133][ T300] RBP: ffff8881dd456420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 173.413074][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 173.421014][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66a4330 [ 173.428956][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 173.437852][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 173.444417][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 173.452373][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 173.460326][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 173.468279][ T300] Call Trace: [ 173.471552][ T300] d_walk+0x2d9/0x540 [ 173.475505][ T300] ? __d_free+0x20/0x20 [ 173.479635][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 173.485062][ T300] generic_shutdown_super+0x63/0x2a0 [ 173.490316][ T300] kill_block_super+0x79/0xd0 [ 173.494962][ T300] deactivate_locked_super+0xaf/0x100 [ 173.500306][ T300] deactivate_super+0x168/0x210 [ 173.505136][ T300] cleanup_mnt+0x432/0x4e0 [ 173.509535][ T300] task_work_run+0x186/0x1b0 [ 173.514094][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 173.519630][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 173.525494][ T300] RIP: 0033:0x7f77262800d7 [ 173.529878][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 173.549462][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 173.557851][ T300] RAX: 0000000000000000 RBX: 000000000002a4c3 RCX: 00007f77262800d7 [ 173.565795][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 173.573746][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 173.581687][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 173.589624][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 173.597695][ T300] ---[ end trace dd99333897308e6c ]--- [ 173.605636][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 173.700223][ T338] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 173.710427][ T338] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 173.722823][ T338] incfs: Can't find or create .index dir in ./file0 [ 173.732906][ T300] BUG: Dentry ffff8881e66a5990{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 173.742741][ T300] ------------[ cut here ]------------ [ 173.748177][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 173.756476][ T300] Modules linked in: [ 173.760354][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 173.771853][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.781886][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 173.787139][ 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 [ 173.806708][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 173.812739][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 173.820839][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 173.828793][ T300] RBP: ffff8881dd3dd420 R08: ffffffff814b2a4c R09: ffffed103edc9608 [ 173.836749][ T300] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 173.844700][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66a5990 [ 173.852648][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 173.861546][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 173.868135][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 173.876080][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 173.884082][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 173.892042][ T300] Call Trace: [ 173.895312][ T300] d_walk+0x2d9/0x540 [ 173.899279][ T300] ? __d_free+0x20/0x20 [ 173.903417][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 173.909104][ T300] generic_shutdown_super+0x63/0x2a0 [ 173.914380][ T300] kill_block_super+0x79/0xd0 [ 173.919036][ T300] deactivate_locked_super+0xaf/0x100 [ 173.924390][ T300] deactivate_super+0x168/0x210 [ 173.929226][ T300] cleanup_mnt+0x432/0x4e0 [ 173.933629][ T300] task_work_run+0x186/0x1b0 [ 173.938202][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 173.943718][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 173.949577][ T300] RIP: 0033:0x7f77262800d7 [ 173.953959][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 173.973628][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 173.982003][ T300] RAX: 0000000000000000 RBX: 000000000002a66a RCX: 00007f77262800d7 [ 173.989949][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 173.997904][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 174.005843][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 174.013796][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 174.021759][ T300] ---[ end trace dd99333897308e6d ]--- [ 174.029629][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 174.097368][ T343] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 174.109087][ T343] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 174.121430][ T343] incfs: Can't find or create .index dir in ./file0 [ 174.130246][ T300] BUG: Dentry ffff8881e66e2550{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 174.140035][ T300] ------------[ cut here ]------------ [ 174.145478][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 174.153770][ T300] Modules linked in: [ 174.157638][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 174.169152][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.179268][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 174.184519][ 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 [ 174.204089][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 174.210120][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 174.218062][ T300] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 174.226002][ T300] RBP: ffff8881dd3da420 R08: ffffffff814b2a4c R09: ffffed103edc9608 [ 174.233956][ T300] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 174.241895][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66e2550 [ 174.249852][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 174.258750][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 174.265302][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 174.273256][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 174.281198][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 174.289137][ T300] Call Trace: [ 174.292401][ T300] d_walk+0x2d9/0x540 [ 174.296352][ T300] ? __d_free+0x20/0x20 [ 174.300484][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 174.305910][ T300] generic_shutdown_super+0x63/0x2a0 [ 174.311162][ T300] kill_block_super+0x79/0xd0 [ 174.315807][ T300] deactivate_locked_super+0xaf/0x100 [ 174.321144][ T300] deactivate_super+0x168/0x210 [ 174.325976][ T300] cleanup_mnt+0x432/0x4e0 [ 174.330363][ T300] task_work_run+0x186/0x1b0 [ 174.334940][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 174.340452][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 174.346311][ T300] RIP: 0033:0x7f77262800d7 [ 174.350693][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 174.370276][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 174.378654][ T300] RAX: 0000000000000000 RBX: 000000000002a7f3 RCX: 00007f77262800d7 [ 174.386594][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 executing program [ 174.394631][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 174.402585][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 174.410534][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 174.418477][ T300] ---[ end trace dd99333897308e6e ]--- [ 174.425990][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... [ 174.476044][ T348] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 174.485535][ T348] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 174.498052][ T348] incfs: Can't find or create .index dir in ./file0 [ 174.507382][ T300] BUG: Dentry ffff8881e66e2aa0{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 174.517108][ T300] ------------[ cut here ]------------ [ 174.522555][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 174.530841][ T300] Modules linked in: [ 174.534709][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 174.546213][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.556263][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 174.561528][ 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 [ 174.581112][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 174.587144][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 174.595086][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 174.603029][ T300] RBP: ffff8881dd3d9420 R08: ffffffff814b2a4c R09: ffffed103edc9608 [ 174.610974][ T300] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 174.618917][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66e2aa0 [ 174.626857][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 174.635773][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 174.642335][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 174.650286][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 174.658235][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 174.666178][ T300] Call Trace: [ 174.669457][ T300] d_walk+0x2d9/0x540 [ 174.673430][ T300] ? __d_free+0x20/0x20 [ 174.677553][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 174.682980][ T300] generic_shutdown_super+0x63/0x2a0 [ 174.688231][ T300] kill_block_super+0x79/0xd0 [ 174.692905][ T300] deactivate_locked_super+0xaf/0x100 [ 174.698339][ T300] deactivate_super+0x168/0x210 [ 174.703176][ T300] cleanup_mnt+0x432/0x4e0 [ 174.707565][ T300] task_work_run+0x186/0x1b0 [ 174.712130][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 174.717647][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 174.723505][ T300] RIP: 0033:0x7f77262800d7 [ 174.727909][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 174.747478][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 174.755855][ T300] RAX: 0000000000000000 RBX: 000000000002a973 RCX: 00007f77262800d7 [ 174.763794][ T300] RDX: 00007ffd7935b229 RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 174.771731][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 174.779670][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 174.787610][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 174.795552][ T300] ---[ end trace dd99333897308e6f ]--- [ 174.802781][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 174.866101][ T353] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 174.875826][ T353] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 174.888266][ T353] incfs: Can't find or create .index dir in ./file0 [ 174.897047][ T300] BUG: Dentry ffff8881e6731660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 174.907089][ T300] ------------[ cut here ]------------ [ 174.912530][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 174.921076][ T300] Modules linked in: [ 174.924943][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 174.936442][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 174.946596][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 174.951856][ 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 [ 174.971439][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 174.977476][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 174.985424][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 174.993475][ T300] RBP: ffff8881dc82d420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 175.001520][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 175.009467][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e6731660 [ 175.017441][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 175.026339][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 175.032900][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 175.040926][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 175.048876][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 175.056825][ T300] Call Trace: [ 175.060085][ T300] d_walk+0x2d9/0x540 [ 175.064032][ T300] ? __d_free+0x20/0x20 [ 175.068167][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 175.073589][ T300] generic_shutdown_super+0x63/0x2a0 [ 175.078933][ T300] kill_block_super+0x79/0xd0 [ 175.083577][ T300] deactivate_locked_super+0xaf/0x100 [ 175.088914][ T300] deactivate_super+0x168/0x210 [ 175.093740][ T300] cleanup_mnt+0x432/0x4e0 [ 175.098145][ T300] task_work_run+0x186/0x1b0 [ 175.102703][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 175.108223][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 175.114080][ T300] RIP: 0033:0x7f77262800d7 [ 175.118463][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 175.138044][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 175.146419][ T300] RAX: 0000000000000000 RBX: 000000000002aaf9 RCX: 00007f77262800d7 [ 175.154354][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 175.162295][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 175.170232][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 175.178169][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 175.186111][ T300] ---[ end trace dd99333897308e70 ]--- [ 175.193400][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 175.266219][ T358] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 175.277289][ T358] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 175.289868][ T358] incfs: Can't find or create .index dir in ./file0 [ 175.300007][ T300] BUG: Dentry ffff8881e6731990{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 175.309769][ T300] ------------[ cut here ]------------ [ 175.315327][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 175.323614][ T300] Modules linked in: [ 175.327503][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 175.339004][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.349039][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 175.354294][ 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 [ 175.373877][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 175.379918][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 175.387856][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 175.395820][ T300] RBP: ffff8881ddf47420 R08: ffffffff814b2a4c R09: ffffed103bceff51 [ 175.403757][ T300] R10: ffffed103bceff51 R11: 0000000000000000 R12: dffffc0000000000 [ 175.411705][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e6731990 [ 175.419647][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 175.428543][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 175.435090][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 175.443031][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 175.450972][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 175.458909][ T300] Call Trace: [ 175.462171][ T300] d_walk+0x2d9/0x540 [ 175.466123][ T300] ? __d_free+0x20/0x20 [ 175.470245][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 175.475671][ T300] generic_shutdown_super+0x63/0x2a0 [ 175.480921][ T300] kill_block_super+0x79/0xd0 [ 175.485573][ T300] deactivate_locked_super+0xaf/0x100 [ 175.490918][ T300] deactivate_super+0x168/0x210 [ 175.495745][ T300] cleanup_mnt+0x432/0x4e0 [ 175.500129][ T300] task_work_run+0x186/0x1b0 [ 175.504685][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 175.512093][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 175.517951][ T300] RIP: 0033:0x7f77262800d7 [ 175.522332][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 175.541919][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 175.550305][ T300] RAX: 0000000000000000 RBX: 000000000002ac89 RCX: 00007f77262800d7 [ 175.558252][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 175.566281][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 175.574253][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 175.582226][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 175.590170][ T300] ---[ end trace dd99333897308e71 ]--- [ 175.597948][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 175.677856][ T363] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 175.687386][ T363] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 175.699807][ T363] incfs: Can't find or create .index dir in ./file0 [ 175.708607][ T300] BUG: Dentry ffff8881e66f3990{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 175.718298][ T300] ------------[ cut here ]------------ [ 175.723750][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 175.732044][ T300] Modules linked in: [ 175.735921][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 175.747435][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.757466][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 175.762720][ 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 [ 175.782298][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 175.788339][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 175.796284][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 175.804227][ T300] RBP: ffff8881f30f6420 R08: ffffffff814b2a4c R09: ffffed103edc9608 [ 175.812172][ T300] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 175.820113][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66f3990 [ 175.828054][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 175.837005][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 175.843572][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 175.851519][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 175.859464][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 175.867416][ T300] Call Trace: [ 175.870694][ T300] d_walk+0x2d9/0x540 [ 175.874647][ T300] ? __d_free+0x20/0x20 [ 175.878777][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 175.884204][ T300] generic_shutdown_super+0x63/0x2a0 [ 175.889454][ T300] kill_block_super+0x79/0xd0 [ 175.894109][ T300] deactivate_locked_super+0xaf/0x100 [ 175.899451][ T300] deactivate_super+0x168/0x210 [ 175.904270][ T300] cleanup_mnt+0x432/0x4e0 [ 175.908664][ T300] task_work_run+0x186/0x1b0 [ 175.913253][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 175.918869][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 175.924743][ T300] RIP: 0033:0x7f77262800d7 [ 175.929147][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 175.949164][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 175.957575][ T300] RAX: 0000000000000000 RBX: 000000000002ae23 RCX: 00007f77262800d7 [ 175.965546][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 175.973494][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 175.981443][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 175.989389][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 175.997337][ T300] ---[ end trace dd99333897308e72 ]--- [ 176.005405][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 176.071378][ T368] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 176.081119][ T368] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 176.096723][ T368] incfs: Can't find or create .index dir in ./file0 [ 176.105737][ T300] BUG: Dentry ffff8881e66f5bb0{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 176.115409][ T300] ------------[ cut here ]------------ [ 176.120845][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 176.129140][ T300] Modules linked in: [ 176.133008][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 176.144517][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.154548][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 176.159797][ 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 [ 176.179367][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 176.185412][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 176.193375][ T300] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 176.201314][ T300] RBP: ffff8881dc82b420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 176.209254][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 176.217195][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66f5bb0 [ 176.225138][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 176.234035][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 176.240598][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 176.248541][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 176.256480][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 176.264420][ T300] Call Trace: [ 176.267681][ T300] d_walk+0x2d9/0x540 [ 176.271631][ T300] ? __d_free+0x20/0x20 [ 176.275766][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 176.281190][ T300] generic_shutdown_super+0x63/0x2a0 [ 176.286442][ T300] kill_block_super+0x79/0xd0 [ 176.291100][ T300] deactivate_locked_super+0xaf/0x100 [ 176.296440][ T300] deactivate_super+0x168/0x210 [ 176.301256][ T300] cleanup_mnt+0x432/0x4e0 [ 176.305639][ T300] task_work_run+0x186/0x1b0 [ 176.310200][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 176.315715][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 176.321578][ T300] RIP: 0033:0x7f77262800d7 [ 176.325962][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 176.345543][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 176.353919][ T300] RAX: 0000000000000000 RBX: 000000000002afae RCX: 00007f77262800d7 [ 176.361862][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 176.369805][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 176.377744][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 176.385684][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 176.393628][ T300] ---[ end trace dd99333897308e73 ]--- [ 176.401284][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 176.458057][ T373] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 176.468714][ T373] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 176.481037][ T373] incfs: Can't find or create .index dir in ./file0 [ 176.489049][ T300] BUG: Dentry ffff8881e66f7660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 176.498740][ T300] ------------[ cut here ]------------ [ 176.504213][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 176.512698][ T300] Modules linked in: [ 176.516584][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 176.528096][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.538133][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 176.543387][ 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 [ 176.562959][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 176.568989][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 176.576936][ T300] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 176.584876][ T300] RBP: ffff8881f3ccb420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 176.592834][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 176.600781][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66f7660 [ 176.608730][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 176.617654][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 176.624219][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 176.632178][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 176.640120][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 176.648062][ T300] Call Trace: [ 176.651329][ T300] d_walk+0x2d9/0x540 [ 176.655280][ T300] ? __d_free+0x20/0x20 [ 176.659416][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 176.664844][ T300] generic_shutdown_super+0x63/0x2a0 [ 176.670096][ T300] kill_block_super+0x79/0xd0 [ 176.674749][ T300] deactivate_locked_super+0xaf/0x100 [ 176.680085][ T300] deactivate_super+0x168/0x210 [ 176.684925][ T300] cleanup_mnt+0x432/0x4e0 [ 176.689311][ T300] task_work_run+0x186/0x1b0 [ 176.693884][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 176.699397][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 176.705258][ T300] RIP: 0033:0x7f77262800d7 [ 176.709658][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 176.729237][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 176.737662][ T300] RAX: 0000000000000000 RBX: 000000000002b130 RCX: 00007f77262800d7 [ 176.745624][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 176.753568][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 176.761511][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 176.769464][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 176.777420][ T300] ---[ end trace dd99333897308e74 ]--- [ 176.785312][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 176.849383][ T378] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 176.859101][ T378] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 176.872074][ T378] incfs: Can't find or create .index dir in ./file0 [ 176.879979][ T300] BUG: Dentry ffff8881e66f8990{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 176.889767][ T300] ------------[ cut here ]------------ [ 176.895205][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 176.903504][ T300] Modules linked in: [ 176.907373][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 176.918871][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.929151][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 176.934425][ 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 [ 176.954005][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 176.960041][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 176.967981][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 176.975924][ T300] RBP: ffff8881ef533420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 176.983959][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 176.992008][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66f8990 [ 176.999975][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 177.008887][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.015450][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 177.023500][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.031452][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.039395][ T300] Call Trace: [ 177.042662][ T300] d_walk+0x2d9/0x540 [ 177.046620][ T300] ? __d_free+0x20/0x20 [ 177.050750][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 177.056177][ T300] generic_shutdown_super+0x63/0x2a0 [ 177.061432][ T300] kill_block_super+0x79/0xd0 [ 177.066077][ T300] deactivate_locked_super+0xaf/0x100 [ 177.071417][ T300] deactivate_super+0x168/0x210 [ 177.076247][ T300] cleanup_mnt+0x432/0x4e0 [ 177.080633][ T300] task_work_run+0x186/0x1b0 [ 177.085209][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 177.090731][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 177.096614][ T300] RIP: 0033:0x7f77262800d7 [ 177.101002][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 177.120578][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 177.128959][ T300] RAX: 0000000000000000 RBX: 000000000002b2b6 RCX: 00007f77262800d7 [ 177.136899][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 177.144849][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 177.152799][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 177.160782][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 177.168727][ T300] ---[ end trace dd99333897308e75 ]--- [ 177.176532][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 177.244246][ T383] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 177.255966][ T383] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 177.268393][ T383] incfs: Can't find or create .index dir in ./file0 [ 177.276372][ T300] BUG: Dentry ffff8881e66fa770{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 177.286041][ T300] ------------[ cut here ]------------ [ 177.291490][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 177.299788][ T300] Modules linked in: [ 177.303661][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 177.315167][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.325219][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 177.330474][ 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 [ 177.350047][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 177.356094][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 177.364033][ T300] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 177.371975][ T300] RBP: ffff8881ef535420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 177.379935][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 177.387878][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66fa770 [ 177.395819][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 177.404728][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.411283][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 177.419240][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.427191][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.435136][ T300] Call Trace: [ 177.438404][ T300] d_walk+0x2d9/0x540 [ 177.442355][ T300] ? __d_free+0x20/0x20 [ 177.446479][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 177.451909][ T300] generic_shutdown_super+0x63/0x2a0 [ 177.457178][ T300] kill_block_super+0x79/0xd0 [ 177.461824][ T300] deactivate_locked_super+0xaf/0x100 [ 177.467163][ T300] deactivate_super+0x168/0x210 [ 177.471982][ T300] cleanup_mnt+0x432/0x4e0 [ 177.476366][ T300] task_work_run+0x186/0x1b0 [ 177.480925][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 177.486454][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 177.492331][ T300] RIP: 0033:0x7f77262800d7 [ 177.496736][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 177.516425][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 177.524807][ T300] RAX: 0000000000000000 RBX: 000000000002b43d RCX: 00007f77262800d7 [ 177.532771][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 177.540711][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 177.548661][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 177.556612][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 177.564579][ T300] ---[ end trace dd99333897308e76 ]--- [ 177.572377][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 177.641803][ T388] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 177.654358][ T388] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 177.666962][ T388] incfs: Can't find or create .index dir in ./file0 [ 177.676252][ T300] BUG: Dentry ffff8881e66fd880{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 177.685920][ T300] ------------[ cut here ]------------ [ 177.691361][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 177.699699][ T300] Modules linked in: [ 177.703572][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 177.715161][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.725193][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 177.730445][ 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 [ 177.750015][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 177.756049][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 177.764088][ T300] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 177.772029][ T300] RBP: ffff8881f0193420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 177.779972][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 177.787915][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66fd880 [ 177.795860][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 177.804764][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.811316][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 177.819281][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.827223][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.835251][ T300] Call Trace: [ 177.838518][ T300] d_walk+0x2d9/0x540 [ 177.842478][ T300] ? __d_free+0x20/0x20 [ 177.846614][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 177.852056][ T300] generic_shutdown_super+0x63/0x2a0 [ 177.857322][ T300] kill_block_super+0x79/0xd0 [ 177.862053][ T300] deactivate_locked_super+0xaf/0x100 [ 177.867392][ T300] deactivate_super+0x168/0x210 [ 177.872209][ T300] cleanup_mnt+0x432/0x4e0 [ 177.876593][ T300] task_work_run+0x186/0x1b0 [ 177.881162][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 177.886681][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 177.892542][ T300] RIP: 0033:0x7f77262800d7 [ 177.897098][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 177.916769][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 177.925147][ T300] RAX: 0000000000000000 RBX: 000000000002b5d0 RCX: 00007f77262800d7 [ 177.933086][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 177.941125][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 177.949067][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 177.957018][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 177.964975][ T300] ---[ end trace dd99333897308e77 ]--- [ 177.973082][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 178.053609][ T393] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 178.063155][ T393] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 178.075918][ T393] incfs: Can't find or create .index dir in ./file0 [ 178.085388][ T300] BUG: Dentry ffff8881e66feee0{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 178.095118][ T300] ------------[ cut here ]------------ [ 178.100569][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 178.108857][ T300] Modules linked in: [ 178.112739][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 178.124245][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.134285][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 178.139552][ 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 [ 178.159127][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 178.165162][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 178.173104][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 178.181046][ T300] RBP: ffff8881eedfa420 R08: ffffffff814b2a4c R09: ffffed103edc9608 [ 178.188989][ T300] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 178.196944][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66feee0 [ 178.204885][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 178.213794][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.220345][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 178.228287][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 178.236226][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.244162][ T300] Call Trace: [ 178.247424][ T300] d_walk+0x2d9/0x540 [ 178.251376][ T300] ? __d_free+0x20/0x20 [ 178.255502][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 178.260929][ T300] generic_shutdown_super+0x63/0x2a0 [ 178.266181][ T300] kill_block_super+0x79/0xd0 [ 178.270826][ T300] deactivate_locked_super+0xaf/0x100 [ 178.276179][ T300] deactivate_super+0x168/0x210 [ 178.281011][ T300] cleanup_mnt+0x432/0x4e0 [ 178.285472][ T300] task_work_run+0x186/0x1b0 [ 178.290041][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 178.295736][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 178.301625][ T300] RIP: 0033:0x7f77262800d7 [ 178.306022][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 178.325602][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 178.333987][ T300] RAX: 0000000000000000 RBX: 000000000002b76a RCX: 00007f77262800d7 [ 178.341929][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 178.349872][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 178.357812][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 178.365764][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 178.373708][ T300] ---[ end trace dd99333897308e78 ]--- [ 178.381546][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 178.458278][ T398] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 178.468949][ T398] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 178.481328][ T398] incfs: Can't find or create .index dir in ./file0 [ 178.489323][ T300] BUG: Dentry ffff8881e66ffbb0{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 178.499051][ T300] ------------[ cut here ]------------ [ 178.504504][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 178.512817][ T300] Modules linked in: [ 178.516681][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 178.528266][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.538299][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 178.543569][ 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 [ 178.563144][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 178.569265][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 178.577207][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 178.585149][ T300] RBP: ffff8881f30f2420 R08: ffffffff814b2a4c R09: ffffed103edc9608 [ 178.593089][ T300] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 178.601041][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66ffbb0 [ 178.608983][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 178.617880][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.624439][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 178.632380][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 178.640333][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.648278][ T300] Call Trace: [ 178.651541][ T300] d_walk+0x2d9/0x540 [ 178.655505][ T300] ? __d_free+0x20/0x20 [ 178.659674][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 178.665108][ T300] generic_shutdown_super+0x63/0x2a0 [ 178.670366][ T300] kill_block_super+0x79/0xd0 [ 178.675028][ T300] deactivate_locked_super+0xaf/0x100 [ 178.680373][ T300] deactivate_super+0x168/0x210 [ 178.685211][ T300] cleanup_mnt+0x432/0x4e0 [ 178.689605][ T300] task_work_run+0x186/0x1b0 [ 178.694169][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 178.699685][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 178.705545][ T300] RIP: 0033:0x7f77262800d7 [ 178.710538][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 178.730131][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 178.738510][ T300] RAX: 0000000000000000 RBX: 000000000002b900 RCX: 00007f77262800d7 [ 178.746547][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 178.754495][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 178.762618][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 178.770558][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 178.778760][ T300] ---[ end trace dd99333897308e79 ]--- [ 178.785771][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 178.856156][ T403] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 178.867411][ T403] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 178.879929][ T403] incfs: Can't find or create .index dir in ./file0 [ 178.888927][ T300] BUG: Dentry ffff8881e66ffee0{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 178.898655][ T300] ------------[ cut here ]------------ [ 178.904102][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 178.912390][ T300] Modules linked in: [ 178.916309][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 178.927816][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.937882][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 178.943152][ 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 [ 178.962726][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 178.968761][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 178.976713][ T300] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 178.984662][ T300] RBP: ffff8881f30ed420 R08: ffffffff814b2a4c R09: ffffed103bceff51 [ 178.992622][ T300] R10: ffffed103bceff51 R11: 0000000000000000 R12: dffffc0000000000 [ 179.000574][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e66ffee0 [ 179.008522][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 179.017419][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.023970][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 179.031912][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 179.039851][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 179.047788][ T300] Call Trace: [ 179.051055][ T300] d_walk+0x2d9/0x540 [ 179.055021][ T300] ? __d_free+0x20/0x20 [ 179.059144][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 179.064570][ T300] generic_shutdown_super+0x63/0x2a0 [ 179.069833][ T300] kill_block_super+0x79/0xd0 [ 179.074479][ T300] deactivate_locked_super+0xaf/0x100 [ 179.080092][ T300] deactivate_super+0x168/0x210 [ 179.085007][ T300] cleanup_mnt+0x432/0x4e0 [ 179.089391][ T300] task_work_run+0x186/0x1b0 [ 179.093947][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 179.099467][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 179.105327][ T300] RIP: 0033:0x7f77262800d7 [ 179.109712][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 179.129285][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 179.137659][ T300] RAX: 0000000000000000 RBX: 000000000002ba8f RCX: 00007f77262800d7 [ 179.145601][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 179.153540][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 179.161479][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 179.169527][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 179.177471][ T300] ---[ end trace dd99333897308e7a ]--- [ 179.185216][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 179.266424][ T408] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 179.277669][ T408] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 179.290140][ T408] incfs: Can't find or create .index dir in ./file0 [ 179.298981][ T300] BUG: Dentry ffff8881e67a6660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 179.308674][ T300] ------------[ cut here ]------------ [ 179.314112][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 179.322397][ T300] Modules linked in: [ 179.326268][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 179.337766][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.347810][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 179.353069][ 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 [ 179.372647][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 179.378685][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 179.386624][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 179.394567][ T300] RBP: ffff8881eed2c420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 179.402522][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 179.410460][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e67a6660 [ 179.418400][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 179.427308][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.433862][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 179.441807][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 179.449752][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 179.457690][ T300] Call Trace: [ 179.460965][ T300] d_walk+0x2d9/0x540 [ 179.464917][ T300] ? __d_free+0x20/0x20 [ 179.469039][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 179.474469][ T300] generic_shutdown_super+0x63/0x2a0 [ 179.479722][ T300] kill_block_super+0x79/0xd0 [ 179.484366][ T300] deactivate_locked_super+0xaf/0x100 [ 179.489964][ T300] deactivate_super+0x168/0x210 [ 179.495044][ T300] cleanup_mnt+0x432/0x4e0 [ 179.499436][ T300] task_work_run+0x186/0x1b0 [ 179.504007][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 179.509521][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 179.515401][ T300] RIP: 0033:0x7f77262800d7 [ 179.519827][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 179.539397][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 179.547795][ T300] RAX: 0000000000000000 RBX: 000000000002bc25 RCX: 00007f77262800d7 [ 179.555752][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 179.563701][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 179.571702][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 179.580089][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 179.588051][ T300] ---[ end trace dd99333897308e7b ]--- [ 179.595346][ T22] kauditd_printk_skb: 1 callbacks suppressed executing program [ 179.595354][ T22] audit: type=1400 audit(1635311036.820:84): avc: denied { remove_name } for pid=138 comm="syslogd" name="messages" dev="tmpfs" ino=216 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 179.601701][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... [ 179.624065][ T22] audit: type=1400 audit(1635311036.820:85): avc: denied { rename } for pid=138 comm="syslogd" name="messages" dev="tmpfs" ino=216 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 179.698944][ T413] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 179.710233][ T413] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 179.722711][ T413] incfs: Can't find or create .index dir in ./file0 [ 179.732814][ T300] BUG: Dentry ffff8881e6706660{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 179.742537][ T300] ------------[ cut here ]------------ [ 179.747985][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 179.756287][ T300] Modules linked in: [ 179.760162][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 179.771672][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.781715][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 179.786985][ 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 [ 179.806569][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 179.812611][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 179.820552][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 179.828496][ T300] RBP: ffff8881eed2b420 R08: ffffffff814b2a4c R09: ffffed103ede9608 [ 179.836620][ T300] R10: ffffed103ede9608 R11: 0000000000000000 R12: dffffc0000000000 [ 179.844565][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e6706660 [ 179.852516][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 179.861417][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.868039][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 179.876005][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 179.883956][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 179.891900][ T300] Call Trace: [ 179.895254][ T300] d_walk+0x2d9/0x540 [ 179.899204][ T300] ? __d_free+0x20/0x20 [ 179.903341][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 179.908779][ T300] generic_shutdown_super+0x63/0x2a0 [ 179.914048][ T300] kill_block_super+0x79/0xd0 [ 179.918703][ T300] deactivate_locked_super+0xaf/0x100 [ 179.924054][ T300] deactivate_super+0x168/0x210 [ 179.928891][ T300] cleanup_mnt+0x432/0x4e0 [ 179.933298][ T300] task_work_run+0x186/0x1b0 [ 179.937983][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 179.943503][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 179.949376][ T300] RIP: 0033:0x7f77262800d7 [ 179.953761][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 179.973341][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 179.981734][ T300] RAX: 0000000000000000 RBX: 000000000002bdd8 RCX: 00007f77262800d7 [ 179.989685][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 179.997894][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 180.005839][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 180.013781][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 180.021736][ T300] ---[ end trace dd99333897308e7c ]--- [ 180.029839][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 180.103056][ T418] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 180.112720][ T418] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 180.128187][ T418] incfs: Can't find or create .index dir in ./file0 [ 180.137193][ T300] BUG: Dentry ffff8881ed847cc0{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 180.146886][ T300] ------------[ cut here ]------------ [ 180.152334][ T300] WARNING: CPU: 1 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 180.160621][ T300] Modules linked in: [ 180.164489][ T300] CPU: 1 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 180.176004][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.186038][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 180.191302][ 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 [ 180.210873][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 180.216904][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 180.224845][ T300] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 180.232785][ T300] RBP: ffff8881ee369420 R08: ffffffff814b2a4c R09: ffffed103bceff51 [ 180.240735][ T300] R10: ffffed103bceff51 R11: 0000000000000000 R12: dffffc0000000000 [ 180.248672][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881ed847cc0 [ 180.256624][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 180.265519][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 180.272068][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406e0 [ 180.280011][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 180.288068][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 180.296018][ T300] Call Trace: [ 180.299276][ T300] d_walk+0x2d9/0x540 [ 180.303228][ T300] ? __d_free+0x20/0x20 [ 180.307350][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 180.312786][ T300] generic_shutdown_super+0x63/0x2a0 [ 180.318037][ T300] kill_block_super+0x79/0xd0 [ 180.322697][ T300] deactivate_locked_super+0xaf/0x100 [ 180.328035][ T300] deactivate_super+0x168/0x210 [ 180.332854][ T300] cleanup_mnt+0x432/0x4e0 [ 180.337239][ T300] task_work_run+0x186/0x1b0 [ 180.341819][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 180.347344][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 180.353221][ T300] RIP: 0033:0x7f77262800d7 [ 180.357604][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 180.377175][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 180.385555][ T300] RAX: 0000000000000000 RBX: 000000000002bf6c RCX: 00007f77262800d7 [ 180.393495][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220 [ 180.401456][ T300] RBP: 00007ffd7935b220 R08: 00000000ffffffff R09: 00007ffd7935b000 [ 180.409396][ T300] R10: 0000555556b52633 R11: 0000000000000202 R12: 00007ffd7935c2e0 [ 180.417335][ T300] R13: 0000555556b525f0 R14: 00007ffd7935b190 R15: 00007ffd7935c300 [ 180.425280][ T300] ---[ end trace dd99333897308e7d ]--- [ 180.432763][ T300] VFS: Busy inodes after unmount of loop0. Self-destruct in 5 seconds. Have a nice day... executing program [ 180.509750][ T423] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 180.523246][ T423] EXT4-fs error (device loop0): __ext4_new_inode:929: comm syz-executor831: reserved inode found cleared - inode=1 [ 180.535513][ T423] incfs: Can't find or create .index dir in ./file0 [ 180.543433][ T300] BUG: Dentry ffff8881e67b0990{i=0,n=.index} still in use (1) [unmount of ext4 loop0] [ 180.553263][ T300] ------------[ cut here ]------------ [ 180.558705][ T300] WARNING: CPU: 0 PID: 300 at fs/dcache.c:1597 umount_check+0x179/0x1c0 [ 180.566993][ T300] Modules linked in: [ 180.570864][ T300] CPU: 0 PID: 300 Comm: syz-executor831 Tainted: G W 5.4.147-syzkaller-00038-g7eb444cc279e #0 [ 180.582365][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 180.592413][ T300] RIP: 0010:umount_check+0x179/0x1c0 [ 180.597673][ 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 [ 180.617247][ T300] RSP: 0018:ffff8881de77fcc0 EFLAGS: 00010296 [ 180.623293][ T300] RAX: 0000000000000054 RBX: ffffffff85daa5c0 RCX: 753380694e8c5200 [ 180.631249][ T300] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 180.639203][ T300] RBP: ffff8881f30ca420 R08: ffffffff814b2a4c R09: ffffed103edc9608 [ 180.647145][ T300] R10: ffffed103edc9608 R11: 0000000000000000 R12: dffffc0000000000 [ 180.655110][ T300] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8881e67b0990 [ 180.663051][ T300] FS: 0000555556b51300(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 180.671964][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 180.678531][ T300] CR2: 0000555556b5a628 CR3: 00000001e330b000 CR4: 00000000003406f0 [ 180.686474][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 180.694685][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 180.702624][ T300] Call Trace: [ 180.705912][ T300] d_walk+0x2d9/0x540 [ 180.709874][ T300] ? __d_free+0x20/0x20 [ 180.714003][ T300] shrink_dcache_for_umount+0x8a/0x1a0 [ 180.719440][ T300] generic_shutdown_super+0x63/0x2a0 [ 180.724708][ T300] kill_block_super+0x79/0xd0 [ 180.729370][ T300] deactivate_locked_super+0xaf/0x100 [ 180.734714][ T300] deactivate_super+0x168/0x210 [ 180.739545][ T300] cleanup_mnt+0x432/0x4e0 [ 180.743963][ T300] task_work_run+0x186/0x1b0 [ 180.748530][ T300] prepare_exit_to_usermode+0x2b0/0x310 [ 180.754063][ T300] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 180.759935][ T300] RIP: 0033:0x7f77262800d7 [ 180.764358][ T300] Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 180.783953][ T300] RSP: 002b:00007ffd7935b168 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 180.792354][ T300] RAX: 0000000000000000 RBX: 000000000002c102 RCX: 00007f77262800d7 [ 180.800299][ T300] RDX: 00007ffd7935b22a RSI: 0000000000000002 RDI: 00007ffd7935b220