Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. [ 52.890200][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! executing program executing program executing program executing program executing program [ 52.988877][ T23] audit: type=1400 audit(1645198397.429:73): avc: denied { execmem } for pid=374 comm="syz-executor205" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 53.009029][ T386] incfs: ino conflict with backing FS 2 executing program executing program [ 53.015341][ T23] audit: type=1400 audit(1645198397.449:74): avc: denied { read write } for pid=377 comm="syz-executor205" name="loop2" dev="devtmpfs" ino=117 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 53.022658][ T384] incfs: ino conflict with backing FS 2 [ 53.046355][ T23] audit: type=1400 audit(1645198397.449:75): avc: denied { open } for pid=377 comm="syz-executor205" path="/dev/loop2" dev="devtmpfs" ino=117 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 53.079220][ T23] audit: type=1400 audit(1645198397.449:76): avc: denied { ioctl } for pid=377 comm="syz-executor205" path="/dev/loop2" dev="devtmpfs" ino=117 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 53.080686][ T383] incfs: ino conflict with backing FS 2 [ 53.105396][ T23] audit: type=1400 audit(1645198397.449:77): avc: denied { mounton } for pid=386 comm="syz-executor205" path="/root/syzkaller.kwQL0U/0/bus" dev="sda1" ino=1150 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 53.111486][ T381] incfs: ino conflict with backing FS 2 [ 53.140771][ T378] BUG: Dentry ffff88811aceaaa0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 53.141499][ T382] incfs: ino conflict with backing FS 2 [ 53.151044][ T378] ------------[ cut here ]------------ [ 53.157268][ T385] incfs: ino conflict with backing FS 2 [ 53.162071][ T378] WARNING: CPU: 1 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 53.162082][ T378] Modules linked in: [ 53.169674][ T23] audit: type=1400 audit(1645198397.449:78): avc: denied { mount } for pid=386 comm="syz-executor205" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 53.175979][ T378] [ 53.179826][ T23] audit: type=1400 audit(1645198397.449:79): avc: denied { mounton } for pid=386 comm="syz-executor205" path="/root/syzkaller.kwQL0U/0/bus/file0" dev="tmpfs" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 53.179843][ T23] audit: type=1400 audit(1645198397.469:80): avc: denied { mount } for pid=386 comm="syz-executor205" name="/" dev="incremental-fs" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 53.202177][ T378] CPU: 1 PID: 378 Comm: syz-executor205 Not tainted 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 53.205630][ T23] audit: type=1400 audit(1645198397.489:81): avc: denied { unmount } for pid=380 comm="syz-executor205" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 53.229183][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.252524][ T393] incfs: ino conflict with backing FS 2 [ 53.262543][ T378] RIP: 0010:umount_check+0x18d/0x1d0 [ 53.262559][ T378] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 53.322879][ T378] RSP: 0018:ffffc9000099fc88 EFLAGS: 00010286 [ 53.328936][ T378] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: c109407a1b145900 [ 53.336921][ T378] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 53.344903][ T378] RBP: ffffc9000099fcb8 R08: ffffffff815456c8 R09: ffffed103ee2a5d8 [ 53.352891][ T378] R10: ffffed103ee2a5d8 R11: 0000000000000000 R12: ffff88811aceaaa0 [ 53.360857][ T378] R13: dffffc0000000000 R14: ffff888106f893f8 R15: 0000000000000001 [ 53.368806][ T378] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.377738][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.384338][ T378] CR2: 00007ffc0ec65fd8 CR3: 000000011cf3a000 CR4: 00000000003506a0 [ 53.392312][ T378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.400278][ T378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.408236][ T378] Call Trace: [ 53.411534][ T378] d_walk+0x309/0x540 [ 53.415509][ T378] ? __d_free+0x30/0x30 [ 53.419694][ T378] shrink_dcache_for_umount+0x8e/0x1b0 [ 53.425138][ T378] generic_shutdown_super+0x66/0x2c0 [ 53.430424][ T378] kill_litter_super+0x75/0xa0 [ 53.435166][ T378] deactivate_locked_super+0xb0/0x100 [ 53.440538][ T378] deactivate_super+0xa5/0xd0 [ 53.445206][ T378] cleanup_mnt+0x45f/0x510 [ 53.449635][ T378] __cleanup_mnt+0x19/0x20 [ 53.454039][ T378] task_work_run+0x147/0x1b0 [ 53.458601][ T378] exit_to_user_mode_prepare+0xc3/0xe0 [ 53.464059][ T378] syscall_exit_to_user_mode+0x24/0x40 [ 53.469607][ T378] do_syscall_64+0x3d/0x70 [ 53.474002][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.479893][ T378] RIP: 0033:0x7fc98f9050f7 [ 53.484307][ T378] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 53.503918][ T378] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 53.512353][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 53.520418][ T378] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 53.528374][ T378] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 53.536360][ T378] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 53.544325][ T378] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 53.552303][ T378] ---[ end trace 66ce1a3e6a5614b3 ]--- [ 53.557753][ T378] BUG: Dentry ffff88811acea990{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 53.567510][ T378] ------------[ cut here ]------------ [ 53.572966][ T378] WARNING: CPU: 1 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 53.581280][ T378] Modules linked in: [ 53.585161][ T378] CPU: 1 PID: 378 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 53.596773][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.606830][ T378] RIP: 0010:umount_check+0x18d/0x1d0 [ 53.612110][ T378] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 53.631736][ T378] RSP: 0018:ffffc9000099fc88 EFLAGS: 00010286 [ 53.637782][ T378] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: c109407a1b145900 [ 53.645761][ T378] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 53.653728][ T378] RBP: ffffc9000099fcb8 R08: ffffffff815456c8 R09: fffff52000133ebd [ 53.661697][ T378] R10: fffff52000133ebd R11: 0000000000000000 R12: ffff88811acea990 [ 53.669665][ T378] R13: dffffc0000000000 R14: ffff888106f893f8 R15: 0000000000000001 [ 53.677629][ T378] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.686562][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.693149][ T378] CR2: 00007ffc0ec65fd8 CR3: 000000011cf3a000 CR4: 00000000003506a0 [ 53.701134][ T378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.709085][ T378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.717056][ T378] Call Trace: [ 53.720346][ T378] d_walk+0x309/0x540 [ 53.724320][ T378] ? __d_free+0x30/0x30 [ 53.728461][ T378] shrink_dcache_for_umount+0x8e/0x1b0 [ 53.733922][ T378] generic_shutdown_super+0x66/0x2c0 [ 53.739187][ T378] kill_litter_super+0x75/0xa0 [ 53.743947][ T378] deactivate_locked_super+0xb0/0x100 [ 53.749300][ T378] deactivate_super+0xa5/0xd0 [ 53.753983][ T378] cleanup_mnt+0x45f/0x510 [ 53.758397][ T378] __cleanup_mnt+0x19/0x20 [ 53.762815][ T378] task_work_run+0x147/0x1b0 [ 53.767385][ T378] exit_to_user_mode_prepare+0xc3/0xe0 [ 53.772847][ T378] syscall_exit_to_user_mode+0x24/0x40 [ 53.778293][ T378] do_syscall_64+0x3d/0x70 [ 53.782710][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.788580][ T378] RIP: 0033:0x7fc98f9050f7 [ 53.792992][ T378] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 53.812594][ T378] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 53.821021][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 53.828989][ T378] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 53.836960][ T378] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 53.844926][ T378] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 53.852893][ T378] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 53.860946][ T378] ---[ end trace 66ce1a3e6a5614b4 ]--- [ 53.866402][ T378] BUG: Dentry ffff88811aceaaa0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 53.866466][ T375] BUG: Dentry ffff88811ad37110{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 53.876596][ T378] ------------[ cut here ]------------ [ 53.886728][ T375] ------------[ cut here ]------------ [ 53.892147][ T378] WARNING: CPU: 1 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 53.897567][ T375] WARNING: CPU: 0 PID: 375 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 53.905856][ T378] Modules linked in: [ 53.914176][ T375] Modules linked in: [ 53.918043][ T378] CPU: 1 PID: 378 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 53.918053][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.921941][ T375] CPU: 0 PID: 375 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 53.933563][ T378] RIP: 0010:umount_check+0x18d/0x1d0 [ 53.943563][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.943580][ T375] RIP: 0010:umount_check+0x18d/0x1d0 [ 53.955193][ T378] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 53.960447][ T375] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 53.960459][ T375] RSP: 0018:ffffc900002afc88 EFLAGS: 00010286 [ 53.970503][ T378] RSP: 0018:ffffc9000099fc88 EFLAGS: 00010286 [ 53.970513][ T378] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: c109407a1b145900 [ 53.970518][ T378] RDX: 0000000000000000 RSI: 0000000080000003 RDI: 0000000000000000 [ 53.970530][ T378] RBP: ffffc9000099fcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 53.975791][ T375] [ 53.995381][ T378] R10: fffff52000133ee5 R11: 0000000000000004 R12: ffff88811aceaaa0 [ 54.014968][ T375] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: a2cad671ae25bd00 [ 54.021014][ T378] R13: dffffc0000000000 R14: ffff888106f893f8 R15: 0000000000000001 [ 54.027054][ T375] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 54.035008][ T378] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 54.042953][ T375] RBP: ffffc900002afcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 54.042966][ T375] R10: fffff52000055ee5 R11: 0000000000000004 R12: ffff88811ad37110 [ 54.050932][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.053222][ T375] R13: dffffc0000000000 R14: ffff888106f8a3f8 R15: 0000000000000001 [ 54.061189][ T378] CR2: 00007ffc0ec65fd8 CR3: 000000011cf3a000 CR4: 00000000003506a0 [ 54.061203][ T378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.069158][ T375] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 54.077112][ T378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.077122][ T378] Call Trace: [ 54.085074][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.085087][ T375] CR2: 00007ffc0ec65fd8 CR3: 00000001079f3000 CR4: 00000000003506b0 [ 54.094006][ T378] d_walk+0x309/0x540 [ 54.101957][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.109910][ T378] ? __d_free+0x30/0x30 [ 54.116461][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.124418][ T378] shrink_dcache_for_umount+0x8e/0x1b0 [ 54.132364][ T375] Call Trace: [ 54.140325][ T378] generic_shutdown_super+0x66/0x2c0 [ 54.149222][ T375] d_walk+0x309/0x540 [ 54.157176][ T378] kill_litter_super+0x75/0xa0 [ 54.160442][ T375] ? __d_free+0x30/0x30 [ 54.166995][ T378] deactivate_locked_super+0xb0/0x100 [ 54.174944][ T375] shrink_dcache_for_umount+0x8e/0x1b0 [ 54.174959][ T375] generic_shutdown_super+0x66/0x2c0 [ 54.178910][ T378] deactivate_super+0xa5/0xd0 [ 54.186857][ T375] kill_litter_super+0x75/0xa0 [ 54.186871][ T375] deactivate_locked_super+0xb0/0x100 [ 54.190999][ T378] cleanup_mnt+0x45f/0x510 [ 54.191012][ T378] __cleanup_mnt+0x19/0x20 [ 54.198956][ T375] deactivate_super+0xa5/0xd0 [ 54.204413][ T378] task_work_run+0x147/0x1b0 [ 54.207667][ T375] cleanup_mnt+0x45f/0x510 [ 54.213030][ T378] exit_to_user_mode_prepare+0xc3/0xe0 [ 54.216978][ T375] __cleanup_mnt+0x19/0x20 [ 54.221724][ T378] syscall_exit_to_user_mode+0x24/0x40 [ 54.225846][ T375] task_work_run+0x147/0x1b0 [ 54.231199][ T378] do_syscall_64+0x3d/0x70 [ 54.236623][ T375] exit_to_user_mode_prepare+0xc3/0xe0 [ 54.241885][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.246550][ T375] syscall_exit_to_user_mode+0x24/0x40 [ 54.251283][ T378] RIP: 0033:0x7fc98f9050f7 [ 54.251297][ T378] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.256639][ T375] do_syscall_64+0x3d/0x70 [ 54.261041][ T378] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 54.265428][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.270090][ T378] ORIG_RAX: 00000000000000a6 [ 54.274649][ T375] RIP: 0033:0x7fc98f9050f7 [ 54.279042][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 54.284487][ T375] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.284499][ T375] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 54.288884][ T378] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 54.294308][ T375] ORIG_RAX: 00000000000000a6 [ 54.294320][ T375] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 54.298873][ T378] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 54.298885][ T378] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 54.303279][ T375] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 54.303292][ T375] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 54.308717][ T378] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 54.314593][ T375] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 54.320029][ T378] ---[ end trace 66ce1a3e6a5614b5 ]--- [ 54.324436][ T375] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 54.344052][ T378] BUG: Dentry ffff88811acea990{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 54.348421][ T375] ---[ end trace 66ce1a3e6a5614b6 ]--- [ 54.354501][ T378] ------------[ cut here ]------------ [ 54.360342][ T375] BUG: Dentry ffff88811ad37220{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 54.364992][ T378] WARNING: CPU: 1 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 54.369395][ T375] ------------[ cut here ]------------ [ 54.377310][ T378] Modules linked in: [ 54.377324][ T378] CPU: 1 PID: 378 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 54.377335][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.396940][ T375] WARNING: CPU: 0 PID: 375 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 54.396949][ T375] Modules linked in: [ 54.402997][ T378] RIP: 0010:umount_check+0x18d/0x1d0 [ 54.403006][ T378] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 54.403018][ T378] RSP: 0018:ffffc9000099fc88 EFLAGS: 00010286 [ 54.410978][ T375] [ 54.415621][ T378] [ 54.423589][ T375] CPU: 0 PID: 375 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 54.431535][ T378] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: c109407a1b145900 [ 54.431547][ T378] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 54.439488][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.447443][ T378] RBP: ffffc9000099fcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 54.455428][ T375] RIP: 0010:umount_check+0x18d/0x1d0 [ 54.455438][ T375] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 54.455444][ T375] RSP: 0018:ffffc900002afc88 EFLAGS: 00010286 [ 54.463433][ T378] R10: fffff52000133ee5 R11: 0000000000000004 R12: ffff88811acea990 [ 54.471420][ T375] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: a2cad671ae25bd00 [ 54.476855][ T378] R13: dffffc0000000000 R14: ffff888106f893f8 R15: 0000000000000001 [ 54.484821][ T375] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 54.484827][ T375] RBP: ffffc900002afcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 54.484841][ T375] R10: fffff52000055ee5 R11: 0000000000000004 R12: ffff88811ad37220 [ 54.494533][ T378] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 54.494540][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.494553][ T378] CR2: 00007ffc0ec65fd8 CR3: 000000011cf3a000 CR4: 00000000003506a0 [ 54.499999][ T375] R13: dffffc0000000000 R14: ffff888106f8a3f8 R15: 0000000000000001 [ 54.505442][ T378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.515172][ T375] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 54.523476][ T378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.523480][ T378] Call Trace: [ 54.523498][ T378] d_walk+0x309/0x540 [ 54.523514][ T378] ? __d_free+0x30/0x30 executing program [ 54.528945][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.532838][ T378] shrink_dcache_for_umount+0x8e/0x1b0 [ 54.544434][ T375] CR2: 00007ffc0ec65fd8 CR3: 00000001079f3000 CR4: 00000000003506b0 [ 54.544445][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.544459][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.554503][ T378] generic_shutdown_super+0x66/0x2c0 [ 54.554519][ T378] kill_litter_super+0x75/0xa0 [ 54.562814][ T375] Call Trace: [ 54.562831][ T375] d_walk+0x309/0x540 [ 54.566706][ T378] deactivate_locked_super+0xb0/0x100 [ 54.571962][ T375] ? __d_free+0x30/0x30 [ 54.571971][ T375] shrink_dcache_for_umount+0x8e/0x1b0 [ 54.571979][ T375] generic_shutdown_super+0x66/0x2c0 [ 54.571993][ T375] kill_litter_super+0x75/0xa0 [ 54.591586][ T378] deactivate_super+0xa5/0xd0 [ 54.597619][ T375] deactivate_locked_super+0xb0/0x100 [ 54.599932][ T378] cleanup_mnt+0x45f/0x510 [ 54.602230][ T375] deactivate_super+0xa5/0xd0 [ 54.613829][ T378] __cleanup_mnt+0x19/0x20 [ 54.613845][ T378] task_work_run+0x147/0x1b0 [ 54.621829][ T375] cleanup_mnt+0x45f/0x510 [ 54.629812][ T378] exit_to_user_mode_prepare+0xc3/0xe0 [ 54.639888][ T375] __cleanup_mnt+0x19/0x20 [ 54.647825][ T378] syscall_exit_to_user_mode+0x24/0x40 [ 54.653108][ T375] task_work_run+0x147/0x1b0 [ 54.672721][ T378] do_syscall_64+0x3d/0x70 [ 54.678756][ T375] exit_to_user_mode_prepare+0xc3/0xe0 [ 54.686715][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.694688][ T375] syscall_exit_to_user_mode+0x24/0x40 [ 54.702686][ T378] RIP: 0033:0x7fc98f9050f7 [ 54.710648][ T375] do_syscall_64+0x3d/0x70 [ 54.718599][ T378] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.726582][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.735592][ T378] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 54.742179][ T375] RIP: 0033:0x7fc98f9050f7 [ 54.750132][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 54.758083][ T375] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.766029][ T378] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 54.766035][ T378] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 54.766040][ T378] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 54.766046][ T378] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 54.766059][ T378] ---[ end trace 66ce1a3e6a5614b7 ]--- [ 54.775017][ T375] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 54.822350][ T378] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 54.830299][ T375] ORIG_RAX: 00000000000000a6 [ 54.838864][ T395] incfs: ino conflict with backing FS 2 [ 54.840416][ T375] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 55.092142][ T375] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 55.100985][ T375] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 55.108961][ T375] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 55.116953][ T375] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 55.124944][ T375] ---[ end trace 66ce1a3e6a5614b8 ]--- [ 55.130490][ T375] BUG: Dentry ffff88811ad37110{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 55.130561][ T377] BUG: Dentry ffff88811ad37dd0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 55.140686][ T375] ------------[ cut here ]------------ [ 55.150839][ T377] ------------[ cut here ]------------ [ 55.156236][ T375] WARNING: CPU: 0 PID: 375 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 55.161673][ T377] WARNING: CPU: 1 PID: 377 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 55.169981][ T375] Modules linked in: [ 55.178264][ T377] Modules linked in: [ 55.178275][ T375] [ 55.182148][ T377] [ 55.186030][ T375] CPU: 0 PID: 375 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 55.188344][ T377] CPU: 1 PID: 377 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 55.190651][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.202242][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.202254][ T377] RIP: 0010:umount_check+0x18d/0x1d0 [ 55.202263][ T377] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 55.202269][ T377] RSP: 0018:ffffc9000098fc88 EFLAGS: 00010286 [ 55.202285][ T377] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: c29a731bc288fc00 [ 55.213889][ T375] RIP: 0010:umount_check+0x18d/0x1d0 [ 55.223915][ T377] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 55.223928][ T377] RBP: ffffc9000098fcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 55.233973][ T375] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 55.239222][ T377] R10: fffff52000131ee5 R11: 0000000000000004 R12: ffff88811ad37dd0 [ 55.258802][ T375] RSP: 0018:ffffc900002afc88 EFLAGS: 00010286 [ 55.258810][ T375] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: a2cad671ae25bd00 [ 55.258815][ T375] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 55.258821][ T375] RBP: ffffc900002afcb8 R08: ffffffff815456c8 R09: ffffed103ee0a5d8 [ 55.258834][ T375] R10: ffffed103ee0a5d8 R11: 0000000000000000 R12: ffff88811ad37110 [ 55.264875][ T377] R13: dffffc0000000000 R14: ffff888106f8f3f8 R15: 0000000000000001 [ 55.264890][ T377] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 55.272936][ T375] R13: dffffc0000000000 R14: ffff888106f8a3f8 R15: 0000000000000001 [ 55.278187][ T377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.286135][ T375] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 55.286141][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.286154][ T375] CR2: 00007ffc0ec65fd8 CR3: 00000001079f3000 CR4: 00000000003506b0 [ 55.294111][ T377] CR2: 00007ffc0ec65fd8 CR3: 000000011cf26000 CR4: 00000000003506a0 [ 55.294124][ T377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.313709][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.313715][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.313718][ T375] Call Trace: [ 55.313731][ T375] d_walk+0x309/0x540 [ 55.313738][ T375] ? __d_free+0x30/0x30 [ 55.313754][ T375] shrink_dcache_for_umount+0x8e/0x1b0 [ 55.321727][ T377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.327771][ T375] generic_shutdown_super+0x66/0x2c0 [ 55.335728][ T377] Call Trace: [ 55.343694][ T375] kill_litter_super+0x75/0xa0 [ 55.343710][ T375] deactivate_locked_super+0xb0/0x100 [ 55.351697][ T377] d_walk+0x309/0x540 [ 55.359653][ T375] deactivate_super+0xa5/0xd0 [ 55.367598][ T377] ? __d_free+0x30/0x30 [ 55.376526][ T375] cleanup_mnt+0x45f/0x510 [ 55.384477][ T377] shrink_dcache_for_umount+0x8e/0x1b0 [ 55.384492][ T377] generic_shutdown_super+0x66/0x2c0 [ 55.391077][ T375] __cleanup_mnt+0x19/0x20 [ 55.400014][ T377] kill_litter_super+0x75/0xa0 [ 55.406553][ T375] task_work_run+0x147/0x1b0 [ 55.414536][ T377] deactivate_locked_super+0xb0/0x100 [ 55.414543][ T377] deactivate_super+0xa5/0xd0 [ 55.414551][ T377] cleanup_mnt+0x45f/0x510 [ 55.414566][ T377] __cleanup_mnt+0x19/0x20 [ 55.422527][ T375] exit_to_user_mode_prepare+0xc3/0xe0 [ 55.430486][ T377] task_work_run+0x147/0x1b0 [ 55.438428][ T375] syscall_exit_to_user_mode+0x24/0x40 [ 55.446379][ T377] exit_to_user_mode_prepare+0xc3/0xe0 [ 55.446388][ T377] syscall_exit_to_user_mode+0x24/0x40 [ 55.446395][ T377] do_syscall_64+0x3d/0x70 [ 55.446410][ T377] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.449685][ T375] do_syscall_64+0x3d/0x70 [ 55.453635][ T377] RIP: 0033:0x7fc98f9050f7 [ 55.457762][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.463212][ T377] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 55.471170][ T375] RIP: 0033:0x7fc98f9050f7 [ 55.476441][ T377] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 55.479706][ T375] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 55.484440][ T377] ORIG_RAX: 00000000000000a6 [ 55.489805][ T375] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 55.489815][ T375] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 55.489827][ T375] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 55.493791][ T377] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 55.498434][ T375] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 55.502562][ T377] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 55.502574][ T377] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 55.506959][ T375] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 55.512392][ T377] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 55.512403][ T377] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 55.517655][ T375] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 55.522111][ T377] ---[ end trace 66ce1a3e6a5614b9 ]--- [ 55.526823][ T375] ---[ end trace 66ce1a3e6a5614ba ]--- [ 55.531392][ T377] BUG: Dentry ffff88811ad37330{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 55.531441][ T377] ------------[ cut here ]------------ [ 55.536760][ T375] BUG: Dentry ffff88811ad37220{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 55.541437][ T377] WARNING: CPU: 1 PID: 377 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 55.545845][ T375] ------------[ cut here ]------------ [ 55.550232][ T377] Modules linked in: [ 55.555686][ T375] WARNING: CPU: 0 PID: 375 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 55.560240][ T377] [ 55.560252][ T377] CPU: 1 PID: 377 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 55.560257][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.560267][ T377] RIP: 0010:umount_check+0x18d/0x1d0 [ 55.560282][ T377] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 55.565718][ T375] Modules linked in: [ 55.571162][ T377] RSP: 0018:ffffc9000098fc88 EFLAGS: 00010286 [ 55.576591][ T375] [ 55.580990][ T377] [ 55.586854][ T375] CPU: 0 PID: 375 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 55.591243][ T377] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: c29a731bc288fc00 [ 55.591256][ T377] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 55.595644][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.601512][ T377] RBP: ffffc9000098fcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 55.601525][ T377] R10: fffff52000131f35 R11: 0000000000000004 R12: ffff88811ad37330 [ 55.621198][ T375] RIP: 0010:umount_check+0x18d/0x1d0 [ 55.621213][ T375] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 55.625598][ T377] R13: dffffc0000000000 R14: ffff888106f8f3f8 R15: 0000000000000001 [ 55.631643][ T375] RSP: 0018:ffffc900002afc88 EFLAGS: 00010286 [ 55.651259][ T377] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 55.655900][ T375] [ 55.664320][ T377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.672305][ T375] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: a2cad671ae25bd00 [ 55.680289][ T377] CR2: 00007ffc0ec65fd8 CR3: 000000011cf26000 CR4: 00000000003506a0 [ 55.688242][ T375] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 55.696212][ T377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.704164][ T375] RBP: ffffc900002afcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 55.712109][ T377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.712112][ T377] Call Trace: [ 55.712128][ T377] d_walk+0x309/0x540 [ 55.712143][ T377] ? __d_free+0x30/0x30 [ 55.720099][ T375] R10: fffff52000055ee5 R11: 0000000000000004 R12: ffff88811ad37220 [ 55.728048][ T377] shrink_dcache_for_umount+0x8e/0x1b0 [ 55.736000][ T375] R13: dffffc0000000000 R14: ffff888106f8a3f8 R15: 0000000000000001 [ 55.743964][ T377] generic_shutdown_super+0x66/0x2c0 [ 55.743972][ T377] kill_litter_super+0x75/0xa0 [ 55.743985][ T377] deactivate_locked_super+0xb0/0x100 [ 55.749416][ T375] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 55.754849][ T377] deactivate_super+0xa5/0xd0 [ 55.754863][ T377] cleanup_mnt+0x45f/0x510 [ 55.764551][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.769996][ T377] __cleanup_mnt+0x19/0x20 [ 55.770018][ T377] task_work_run+0x147/0x1b0 [ 55.779710][ T375] CR2: 00007ffc0ec65fd8 CR3: 00000001079f3000 CR4: 00000000003506b0 [ 55.788006][ T377] exit_to_user_mode_prepare+0xc3/0xe0 [ 55.793468][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.797351][ T377] syscall_exit_to_user_mode+0x24/0x40 [ 55.805653][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.805656][ T375] Call Trace: [ 55.805670][ T375] d_walk+0x309/0x540 [ 55.805685][ T375] ? __d_free+0x30/0x30 [ 55.808011][ T377] do_syscall_64+0x3d/0x70 [ 55.819633][ T375] shrink_dcache_for_umount+0x8e/0x1b0 [ 55.829709][ T377] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.834951][ T375] generic_shutdown_super+0x66/0x2c0 [ 55.854546][ T377] RIP: 0033:0x7fc98f9050f7 [ 55.858411][ T375] kill_litter_super+0x75/0xa0 [ 55.864462][ T377] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 55.866761][ T375] deactivate_locked_super+0xb0/0x100 [ 55.869051][ T377] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 55.880669][ T375] deactivate_super+0xa5/0xd0 [ 55.888628][ T377] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 55.896605][ T375] cleanup_mnt+0x45f/0x510 [ 55.906626][ T377] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 55.906639][ T377] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 55.914694][ T375] __cleanup_mnt+0x19/0x20 [ 55.922646][ T377] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 55.922652][ T377] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 55.922665][ T377] ---[ end trace 66ce1a3e6a5614bb ]--- [ 55.928708][ T375] task_work_run+0x147/0x1b0 [ 55.962430][ T377] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 55.971383][ T375] exit_to_user_mode_prepare+0xc3/0xe0 [ 56.297823][ T375] syscall_exit_to_user_mode+0x24/0x40 [ 56.303267][ T375] do_syscall_64+0x3d/0x70 [ 56.307655][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.313962][ T375] RIP: 0033:0x7fc98f9050f7 [ 56.318349][ T375] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 56.337947][ T375] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 56.346349][ T375] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 56.354307][ T375] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 56.362265][ T375] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 56.370232][ T375] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 56.378194][ T375] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 56.386150][ T375] ---[ end trace 66ce1a3e6a5614bc ]--- [ 56.391662][ T376] BUG: Dentry ffff88811ad37880{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 56.391680][ T380] BUG: Dentry ffff88811ad37cc0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 56.401845][ T376] ------------[ cut here ]------------ [ 56.412004][ T380] ------------[ cut here ]------------ [ 56.417421][ T376] WARNING: CPU: 0 PID: 376 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 56.422851][ T380] WARNING: CPU: 1 PID: 380 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 56.422853][ T380] Modules linked in: [ 56.422868][ T380] CPU: 1 PID: 380 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 56.422879][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.431178][ T376] Modules linked in: [ 56.439512][ T380] RIP: 0010:umount_check+0x18d/0x1d0 [ 56.443357][ T376] [ 56.454958][ T380] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 56.454964][ T380] RSP: 0018:ffffc90000b57c88 EFLAGS: 00010286 [ 56.465189][ T376] CPU: 0 PID: 376 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 56.465200][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.469076][ T380] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: e103de813c40d400 [ 56.474343][ T376] RIP: 0010:umount_check+0x18d/0x1d0 [ 56.474357][ T376] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 56.476673][ T380] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 56.496273][ T376] RSP: 0018:ffffc900002bfc88 EFLAGS: 00010286 [ 56.502347][ T380] RBP: ffffc90000b57cb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 56.513993][ T376] [ 56.524028][ T380] R10: fffff5200016aee5 R11: 0000000000000004 R12: ffff88811ad37cc0 [ 56.531989][ T376] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: fd4e22c337a23500 [ 56.537246][ T380] R13: dffffc0000000000 R14: ffff888105f9d3f8 R15: 0000000000000001 [ 56.556837][ T376] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 56.556843][ T376] RBP: ffffc900002bfcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 56.556857][ T376] R10: fffff52000057ee5 R11: 0000000000000004 R12: ffff88811ad37880 [ 56.564860][ T380] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 56.570950][ T376] R13: dffffc0000000000 R14: ffff888106f8d3f8 R15: 0000000000000001 [ 56.578899][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.581219][ T376] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 56.581226][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.581239][ T376] CR2: 00007ffc0ec65fd8 CR3: 000000011cf10000 CR4: 00000000003506b0 [ 56.589193][ T380] CR2: 000055555693b668 CR3: 000000011cf62000 CR4: 00000000003506a0 [ 56.597158][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.605120][ T380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.613091][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.621035][ T380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.628976][ T376] Call Trace: [ 56.637881][ T380] Call Trace: [ 56.637903][ T380] d_walk+0x309/0x540 [ 56.646062][ T376] d_walk+0x309/0x540 [ 56.652613][ T380] ? __d_free+0x30/0x30 [ 56.652630][ T380] shrink_dcache_for_umount+0x8e/0x1b0 [ 56.661558][ T376] ? __d_free+0x30/0x30 [ 56.668115][ T380] generic_shutdown_super+0x66/0x2c0 [ 56.676077][ T376] shrink_dcache_for_umount+0x8e/0x1b0 [ 56.684017][ T380] kill_litter_super+0x75/0xa0 [ 56.684031][ T380] deactivate_locked_super+0xb0/0x100 [ 56.692026][ T376] generic_shutdown_super+0x66/0x2c0 [ 56.700019][ T380] deactivate_super+0xa5/0xd0 [ 56.707954][ T376] kill_litter_super+0x75/0xa0 [ 56.715929][ T380] cleanup_mnt+0x45f/0x510 [ 56.719185][ T376] deactivate_locked_super+0xb0/0x100 [ 56.722459][ T380] __cleanup_mnt+0x19/0x20 [ 56.726425][ T376] deactivate_super+0xa5/0xd0 [ 56.730434][ T380] task_work_run+0x147/0x1b0 [ 56.734543][ T376] cleanup_mnt+0x45f/0x510 [ 56.739984][ T380] exit_to_user_mode_prepare+0xc3/0xe0 [ 56.744107][ T376] __cleanup_mnt+0x19/0x20 [ 56.749364][ T380] syscall_exit_to_user_mode+0x24/0x40 [ 56.754805][ T376] task_work_run+0x147/0x1b0 [ 56.759539][ T380] do_syscall_64+0x3d/0x70 [ 56.764885][ T376] exit_to_user_mode_prepare+0xc3/0xe0 [ 56.764901][ T376] syscall_exit_to_user_mode+0x24/0x40 [ 56.770164][ T380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.774809][ T376] do_syscall_64+0x3d/0x70 [ 56.779538][ T380] RIP: 0033:0x7fc98f9050f7 [ 56.783947][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.789286][ T380] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 56.793697][ T376] RIP: 0033:0x7fc98f9050f7 [ 56.798329][ T380] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 56.802912][ T376] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 56.807288][ T380] ORIG_RAX: 00000000000000a6 [ 56.812745][ T376] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 56.817130][ T380] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 56.822600][ T376] ORIG_RAX: 00000000000000a6 [ 56.827144][ T380] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 56.831542][ T376] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 56.836967][ T380] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 56.842406][ T376] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 56.842412][ T376] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 56.842418][ T376] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 56.848281][ T380] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 56.852678][ T376] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 56.857059][ T380] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 56.862934][ T376] ---[ end trace 66ce1a3e6a5614bd ]--- [ 56.882534][ T380] ---[ end trace 66ce1a3e6a5614be ]--- [ 56.886926][ T376] BUG: Dentry ffff88811ad37660{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 56.892988][ T380] BUG: Dentry ffff88811ad37770{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 56.912613][ T376] ------------[ cut here ]------------ [ 56.917273][ T380] ------------[ cut here ]------------ [ 56.923307][ T376] WARNING: CPU: 0 PID: 376 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 56.931251][ T380] WARNING: CPU: 1 PID: 380 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 56.931260][ T380] Modules linked in: [ 56.935914][ T376] Modules linked in: [ 56.943873][ T380] [ 56.951831][ T376] [ 56.959803][ T380] CPU: 1 PID: 380 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 56.967749][ T376] CPU: 0 PID: 376 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 56.975707][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.975719][ T380] RIP: 0010:umount_check+0x18d/0x1d0 [ 56.975734][ T380] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 56.983691][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.991654][ T380] RSP: 0018:ffffc90000b57c88 EFLAGS: 00010286 [ 56.999620][ T376] RIP: 0010:umount_check+0x18d/0x1d0 [ 56.999634][ T376] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 57.007578][ T380] [ 57.013027][ T376] RSP: 0018:ffffc900002bfc88 EFLAGS: 00010286 [ 57.018476][ T380] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: e103de813c40d400 [ 57.028187][ T376] [ 57.037888][ T380] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 57.037895][ T380] RBP: ffffc90000b57cb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 57.037908][ T380] R10: fffff5200016aee5 R11: 0000000000000004 R12: ffff88811ad37770 [ 57.043349][ T376] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: fd4e22c337a23500 [ 57.048780][ T380] R13: dffffc0000000000 R14: ffff888105f9d3f8 R15: 0000000000000001 [ 57.057094][ T376] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 57.065412][ T380] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 57.069277][ T376] RBP: ffffc900002bfcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 57.073161][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.075482][ T376] R10: fffff52000057ee5 R11: 0000000000000004 R12: ffff88811ad37660 [ 57.077801][ T380] CR2: 000055555693b668 CR3: 000000011cf62000 CR4: 00000000003506a0 [ 57.089429][ T376] R13: dffffc0000000000 R14: ffff888106f8d3f8 R15: 0000000000000001 [ 57.101035][ T380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.101048][ T380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.111105][ T376] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 57.116357][ T380] Call Trace: [ 57.135954][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.135968][ T376] CR2: 00007ffc0ec65fd8 CR3: 000000011cf10000 CR4: 00000000003506b0 [ 57.146029][ T380] d_walk+0x309/0x540 [ 57.152070][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.157331][ T380] ? __d_free+0x30/0x30 [ 57.176937][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.179250][ T380] shrink_dcache_for_umount+0x8e/0x1b0 [ 57.185309][ T376] Call Trace: [ 57.193283][ T380] generic_shutdown_super+0x66/0x2c0 [ 57.195584][ T376] d_walk+0x309/0x540 [ 57.203549][ T380] kill_litter_super+0x75/0xa0 [ 57.211516][ T376] ? __d_free+0x30/0x30 [ 57.219466][ T380] deactivate_locked_super+0xb0/0x100 [ 57.227441][ T376] shrink_dcache_for_umount+0x8e/0x1b0 [ 57.235398][ T380] deactivate_super+0xa5/0xd0 [ 57.235413][ T380] cleanup_mnt+0x45f/0x510 [ 57.243377][ T376] generic_shutdown_super+0x66/0x2c0 [ 57.252307][ T380] __cleanup_mnt+0x19/0x20 [ 57.260266][ T376] kill_litter_super+0x75/0xa0 [ 57.266821][ T380] task_work_run+0x147/0x1b0 [ 57.274776][ T376] deactivate_locked_super+0xb0/0x100 [ 57.282728][ T380] exit_to_user_mode_prepare+0xc3/0xe0 [ 57.282745][ T380] syscall_exit_to_user_mode+0x24/0x40 [ 57.290702][ T376] deactivate_super+0xa5/0xd0 [ 57.298841][ T380] do_syscall_64+0x3d/0x70 [ 57.306799][ T376] cleanup_mnt+0x45f/0x510 [ 57.315713][ T380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.318968][ T376] __cleanup_mnt+0x19/0x20 [ 57.325525][ T380] RIP: 0033:0x7fc98f9050f7 [ 57.325539][ T380] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.333519][ T376] task_work_run+0x147/0x1b0 [ 57.337469][ T380] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 57.345450][ T376] exit_to_user_mode_prepare+0xc3/0xe0 [ 57.349568][ T380] ORIG_RAX: 00000000000000a6 [ 57.357530][ T376] syscall_exit_to_user_mode+0x24/0x40 [ 57.362939][ T380] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 57.362951][ T380] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 57.366209][ T376] do_syscall_64+0x3d/0x70 [ 57.371469][ T380] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 57.375429][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.380161][ T380] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 57.380173][ T380] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 57.384318][ T376] RIP: 0033:0x7fc98f9050f7 [ 57.389665][ T380] ---[ end trace 66ce1a3e6a5614bf ]--- [ 57.395179][ T376] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.409638][ T379] BUG: Dentry ffff88811ad37bb0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 57.413899][ T376] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 57.418664][ T379] ------------[ cut here ]------------ [ 57.423200][ T376] ORIG_RAX: 00000000000000a6 [ 57.428547][ T379] WARNING: CPU: 1 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 57.433972][ T376] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 57.433985][ T376] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 57.439413][ T379] Modules linked in: [ 57.444070][ T376] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 57.448446][ T379] [ 57.452845][ T376] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 57.458708][ T379] CPU: 1 PID: 379 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 57.463102][ T376] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 57.467509][ T379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.487099][ T376] ---[ end trace 66ce1a3e6a5614c0 ]--- [ 57.491669][ T379] RIP: 0010:umount_check+0x18d/0x1d0 [ 57.521978][ T376] BUG: Dentry ffff88811ad37880{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 57.529244][ T379] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 57.533693][ T376] ------------[ cut here ]------------ [ 57.541612][ T379] RSP: 0018:ffffc90000b47c88 EFLAGS: 00010286 [ 57.541622][ T379] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: 37021090a4e36d00 [ 57.541627][ T379] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 57.541633][ T379] RBP: ffffc90000b47cb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 57.541647][ T379] R10: fffff52000168ee5 R11: 0000000000000004 R12: ffff88811ad37bb0 [ 57.547523][ T376] WARNING: CPU: 0 PID: 376 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 57.555476][ T379] R13: dffffc0000000000 R14: ffff88811d05f3f8 R15: 0000000000000001 [ 57.563429][ T376] Modules linked in: [ 57.567832][ T379] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 57.573284][ T376] [ 57.592875][ T379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.603196][ T376] CPU: 0 PID: 376 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 57.609209][ T379] CR2: 000055555693b668 CR3: 000000011cf4e000 CR4: 00000000003506a0 [ 57.614650][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.614670][ T376] RIP: 0010:umount_check+0x18d/0x1d0 [ 57.619307][ T379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.627617][ T376] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 57.635562][ T379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.635565][ T379] Call Trace: [ 57.635584][ T379] d_walk+0x309/0x540 [ 57.643531][ T376] RSP: 0018:ffffc900002bfc88 EFLAGS: 00010286 [ 57.647395][ T379] ? __d_free+0x30/0x30 [ 57.655350][ T376] [ 57.657658][ T379] shrink_dcache_for_umount+0x8e/0x1b0 [ 57.665616][ T376] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: fd4e22c337a23500 [ 57.677213][ T379] generic_shutdown_super+0x66/0x2c0 [ 57.685162][ T376] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 57.695196][ T379] kill_litter_super+0x75/0xa0 [ 57.695204][ T379] deactivate_locked_super+0xb0/0x100 [ 57.695218][ T379] deactivate_super+0xa5/0xd0 [ 57.700653][ T376] RBP: ffffc900002bfcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 57.705907][ T379] cleanup_mnt+0x45f/0x510 [ 57.716032][ T376] R10: fffff52000057ee5 R11: 0000000000000004 R12: ffff88811ad37880 [ 57.735645][ T379] __cleanup_mnt+0x19/0x20 [ 57.741083][ T376] R13: dffffc0000000000 R14: ffff888106f8d3f8 R15: 0000000000000001 [ 57.747131][ T379] task_work_run+0x147/0x1b0 [ 57.755093][ T376] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 57.763066][ T379] exit_to_user_mode_prepare+0xc3/0xe0 [ 57.771003][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.778967][ T379] syscall_exit_to_user_mode+0x24/0x40 [ 57.787283][ T376] CR2: 00007ffc0ec65fd8 CR3: 000000011cf10000 CR4: 00000000003506b0 [ 57.795254][ T379] do_syscall_64+0x3d/0x70 [ 57.795270][ T379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.799152][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.808078][ T379] RIP: 0033:0x7fc98f9050f7 [ 57.810389][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.816944][ T379] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 57.828549][ T376] Call Trace: [ 57.836490][ T379] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 57.853980][ T376] d_walk+0x309/0x540 [ 57.862625][ T379] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 57.862720][ T379] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 57.883312][ T376] ? __d_free+0x30/0x30 [ 57.902764][ T379] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 57.910717][ T376] shrink_dcache_for_umount+0x8e/0x1b0 [ 57.910733][ T376] generic_shutdown_super+0x66/0x2c0 [ 57.913985][ T379] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 57.917937][ T376] kill_litter_super+0x75/0xa0 [ 57.923972][ T379] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 57.923983][ T379] ---[ end trace 66ce1a3e6a5614c1 ]--- [ 57.928200][ T376] deactivate_locked_super+0xb0/0x100 [ 57.930511][ T379] BUG: Dentry ffff88811ad37000{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 57.935937][ T376] deactivate_super+0xa5/0xd0 [ 57.943945][ T379] ------------[ cut here ]------------ [ 57.949152][ T376] cleanup_mnt+0x45f/0x510 [ 57.957105][ T379] WARNING: CPU: 1 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 57.957113][ T379] Modules linked in: [ 57.961859][ T376] __cleanup_mnt+0x19/0x20 [ 57.967223][ T379] [ 57.971880][ T376] task_work_run+0x147/0x1b0 [ 57.971896][ T376] exit_to_user_mode_prepare+0xc3/0xe0 [ 57.979849][ T379] CPU: 1 PID: 379 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 57.984233][ T376] syscall_exit_to_user_mode+0x24/0x40 [ 57.992176][ T379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.992192][ T379] RIP: 0010:umount_check+0x18d/0x1d0 [ 57.996577][ T376] do_syscall_64+0x3d/0x70 [ 58.004524][ T379] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 58.004530][ T379] RSP: 0018:ffffc90000b47c88 EFLAGS: 00010286 [ 58.004540][ T379] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: 37021090a4e36d00 [ 58.004544][ T379] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 58.004550][ T379] RBP: ffffc90000b47cb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 58.004562][ T379] R10: fffff52000168ee5 R11: 0000000000000004 R12: ffff88811ad37000 [ 58.009123][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.018027][ T379] R13: dffffc0000000000 R14: ffff88811d05f3f8 R15: 0000000000000001 [ 58.018041][ T379] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 58.023479][ T376] RIP: 0033:0x7fc98f9050f7 [ 58.030045][ T379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.030051][ T379] CR2: 000055555693b668 CR3: 000000011cf4e000 CR4: 00000000003506a0 [ 58.030064][ T379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.035493][ T376] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 58.043459][ T379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.043468][ T379] Call Trace: [ 58.047847][ T376] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 58.053748][ T379] d_walk+0x309/0x540 [ 58.061699][ T376] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 58.066092][ T379] ? __d_free+0x30/0x30 [ 58.074042][ T376] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 58.093659][ T379] shrink_dcache_for_umount+0x8e/0x1b0 [ 58.096885][ T376] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 58.105277][ T379] generic_shutdown_super+0x66/0x2c0 [ 58.109227][ T376] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 58.117187][ T379] kill_litter_super+0x75/0xa0 [ 58.117202][ T379] deactivate_locked_super+0xb0/0x100 [ 58.125170][ T376] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 58.129289][ T379] deactivate_super+0xa5/0xd0 [ 58.137239][ T376] ---[ end trace 66ce1a3e6a5614c2 ]--- [ 58.142671][ T379] cleanup_mnt+0x45f/0x510 [ 58.142685][ T379] __cleanup_mnt+0x19/0x20 [ 58.147947][ T376] BUG: Dentry ffff88811ad37660{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 58.155893][ T379] task_work_run+0x147/0x1b0 [ 58.155902][ T379] exit_to_user_mode_prepare+0xc3/0xe0 [ 58.155919][ T379] syscall_exit_to_user_mode+0x24/0x40 [ 58.160700][ T376] ------------[ cut here ]------------ [ 58.168616][ T379] do_syscall_64+0x3d/0x70 [ 58.174055][ T376] WARNING: CPU: 0 PID: 376 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 58.179392][ T379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.189089][ T376] Modules linked in: [ 58.193738][ T379] RIP: 0033:0x7fc98f9050f7 [ 58.193752][ T379] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 58.199173][ T376] [ 58.203577][ T379] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 58.211883][ T376] CPU: 0 PID: 376 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 58.215737][ T379] ORIG_RAX: 00000000000000a6 [ 58.220133][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.222439][ T379] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 58.227000][ T376] RIP: 0010:umount_check+0x18d/0x1d0 [ 58.232439][ T379] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 58.232452][ T379] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 58.244053][ T376] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 58.244059][ T376] RSP: 0018:ffffc900002bfc88 EFLAGS: 00010286 [ 58.249496][ T379] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 58.259531][ T376] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: fd4e22c337a23500 [ 58.264798][ T379] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 58.264808][ T379] ---[ end trace 66ce1a3e6a5614c3 ]--- [ 58.269190][ T376] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 58.288849][ T378] BUG: Dentry ffff88811ad9a220{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 58.294861][ T376] RBP: ffffc900002bfcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 58.302878][ T378] ------------[ cut here ]------------ [ 58.310825][ T376] R10: fffff52000057ee5 R11: 0000000000000004 R12: ffff88811ad37660 [ 58.310840][ T376] R13: dffffc0000000000 R14: ffff888106f8d3f8 R15: 0000000000000001 [ 58.318801][ T378] WARNING: CPU: 1 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 58.326748][ T376] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 58.332610][ T378] Modules linked in: [ 58.340583][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.349466][ T378] [ 58.353883][ T376] CR2: 00007ffc0ec65fd8 CR3: 000000011cf10000 CR4: 00000000003506b0 [ 58.360447][ T378] CPU: 1 PID: 378 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 58.368390][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.376349][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.376362][ T378] RIP: 0010:umount_check+0x18d/0x1d0 [ 58.376377][ T378] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 58.395962][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.403911][ T378] RSP: 0018:ffffc9000099fc88 EFLAGS: 00010286 [ 58.403928][ T378] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: c109407a1b145900 [ 58.407178][ T376] Call Trace: [ 58.415561][ T378] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 58.415574][ T378] RBP: ffffc9000099fcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 58.419530][ T376] d_walk+0x309/0x540 [ 58.427473][ T378] R10: fffff52000133ee5 R11: 0000000000000004 R12: ffff88811ad9a220 [ 58.427485][ T378] R13: dffffc0000000000 R14: ffff888105f9f3f8 R15: 0000000000000001 [ 58.431619][ T376] ? __d_free+0x30/0x30 [ 58.431628][ T376] shrink_dcache_for_umount+0x8e/0x1b0 [ 58.431643][ T376] generic_shutdown_super+0x66/0x2c0 [ 58.439602][ T378] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 58.445030][ T376] kill_litter_super+0x75/0xa0 [ 58.452987][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.453000][ T378] CR2: 000055555693b668 CR3: 000000011cf3a000 CR4: 00000000003506a0 [ 58.458295][ T376] deactivate_locked_super+0xb0/0x100 [ 58.466293][ T378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.471041][ T376] deactivate_super+0xa5/0xd0 [ 58.476392][ T378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.484508][ T376] cleanup_mnt+0x45f/0x510 [ 58.489143][ T378] Call Trace: [ 58.494587][ T376] __cleanup_mnt+0x19/0x20 [ 58.494596][ T376] task_work_run+0x147/0x1b0 [ 58.494607][ T376] exit_to_user_mode_prepare+0xc3/0xe0 [ 58.494619][ T376] syscall_exit_to_user_mode+0x24/0x40 [ 58.494626][ T376] do_syscall_64+0x3d/0x70 [ 58.494642][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.499044][ T378] d_walk+0x309/0x540 [ 58.503440][ T376] RIP: 0033:0x7fc98f9050f7 [ 58.513132][ T378] ? __d_free+0x30/0x30 [ 58.517687][ T376] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 58.523121][ T378] shrink_dcache_for_umount+0x8e/0x1b0 [ 58.523130][ T378] generic_shutdown_super+0x66/0x2c0 [ 58.523144][ T378] kill_litter_super+0x75/0xa0 [ 58.528571][ T376] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 58.534008][ T378] deactivate_locked_super+0xb0/0x100 [ 58.538398][ T376] ORIG_RAX: 00000000000000a6 [ 58.546703][ T378] deactivate_super+0xa5/0xd0 [ 58.552588][ T376] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 58.556445][ T378] cleanup_mnt+0x45f/0x510 [ 58.560855][ T376] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 58.580444][ T378] __cleanup_mnt+0x19/0x20 [ 58.580461][ T378] task_work_run+0x147/0x1b0 [ 58.582761][ T376] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 58.588797][ T378] exit_to_user_mode_prepare+0xc3/0xe0 [ 58.600396][ T376] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 58.605045][ T378] syscall_exit_to_user_mode+0x24/0x40 [ 58.615073][ T376] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 58.615080][ T376] ---[ end trace 66ce1a3e6a5614c4 ]--- [ 58.615772][ T379] BUG: Dentry ffff88811ad37bb0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 58.623053][ T378] do_syscall_64+0x3d/0x70 [ 58.623070][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.628356][ T379] ------------[ cut here ]------------ [ 58.636275][ T378] RIP: 0033:0x7fc98f9050f7 [ 58.636289][ T378] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 58.644265][ T379] WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 58.663830][ T378] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 58.669887][ T379] Modules linked in: executing program [ 58.677832][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 58.677849][ T378] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 58.685831][ T379] [ 58.693793][ T378] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 58.699233][ T379] CPU: 0 PID: 379 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 58.707199][ T378] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 58.707213][ T378] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 58.717345][ T379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.725309][ T378] ---[ end trace 66ce1a3e6a5614c5 ]--- [ 58.730780][ T379] RIP: 0010:umount_check+0x18d/0x1d0 [ 58.738695][ T378] BUG: Dentry ffff88811ad9a550{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 58.746651][ T379] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 58.754992][ T378] ------------[ cut here ]------------ [ 58.763878][ T379] RSP: 0018:ffffc90000b47c88 EFLAGS: 00010286 [ 58.763889][ T379] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: 37021090a4e36d00 [ 58.763901][ T379] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 58.767778][ T378] WARNING: CPU: 1 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 58.774337][ T379] RBP: ffffc90000b47cb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 58.776633][ T378] Modules linked in: [ 58.784632][ T379] R10: fffff52000168ee5 R11: 0000000000000004 R12: ffff88811ad37bb0 [ 58.796245][ T378] CPU: 1 PID: 378 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 58.804198][ T379] R13: dffffc0000000000 R14: ffff88811d05f3f8 R15: 0000000000000001 [ 58.814241][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.819496][ T379] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 58.839101][ T378] RIP: 0010:umount_check+0x18d/0x1d0 [ 58.839110][ T378] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 58.839122][ T378] RSP: 0018:ffffc9000099fc88 EFLAGS: 00010286 [ 58.847081][ T379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.853139][ T378] [ 58.861095][ T379] CR2: 00007ffc0ec67878 CR3: 000000011cf4e000 CR4: 00000000003506b0 [ 58.864349][ T378] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: c109407a1b145900 [ 58.872299][ T379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.880686][ T378] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 58.884636][ T379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.892580][ T378] RBP: ffffc9000099fcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 58.892593][ T378] R10: fffff52000133ee5 R11: 0000000000000004 R12: ffff88811ad9a550 [ 58.900541][ T379] Call Trace: [ 58.904671][ T378] R13: dffffc0000000000 R14: ffff888105f9f3f8 R15: 0000000000000001 [ 58.910107][ T379] d_walk+0x309/0x540 [ 58.910121][ T379] ? __d_free+0x30/0x30 [ 58.915373][ T378] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 58.924285][ T379] shrink_dcache_for_umount+0x8e/0x1b0 [ 58.929012][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.935577][ T379] generic_shutdown_super+0x66/0x2c0 [ 58.943520][ T378] CR2: 000055555693b668 CR3: 000000011cf3a000 CR4: 00000000003506a0 [ 58.943533][ T378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.948875][ T379] kill_litter_super+0x75/0xa0 [ 58.956822][ T378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.956831][ T378] Call Trace: [ 58.961491][ T379] deactivate_locked_super+0xb0/0x100 [ 58.969435][ T378] d_walk+0x309/0x540 [ 58.973822][ T379] deactivate_super+0xa5/0xd0 [ 58.973830][ T379] cleanup_mnt+0x45f/0x510 [ 58.973837][ T379] __cleanup_mnt+0x19/0x20 [ 58.973853][ T379] task_work_run+0x147/0x1b0 [ 58.977107][ T378] ? __d_free+0x30/0x30 [ 58.981509][ T379] exit_to_user_mode_prepare+0xc3/0xe0 [ 58.986061][ T378] shrink_dcache_for_umount+0x8e/0x1b0 [ 58.991499][ T379] syscall_exit_to_user_mode+0x24/0x40 [ 58.996923][ T378] generic_shutdown_super+0x66/0x2c0 [ 59.001317][ T379] do_syscall_64+0x3d/0x70 [ 59.001332][ T379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.007192][ T378] kill_litter_super+0x75/0xa0 [ 59.011165][ T379] RIP: 0033:0x7fc98f9050f7 [ 59.015540][ T378] deactivate_locked_super+0xb0/0x100 [ 59.019673][ T379] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 59.039356][ T378] deactivate_super+0xa5/0xd0 [ 59.044795][ T379] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 59.050059][ T378] cleanup_mnt+0x45f/0x510 [ 59.054785][ T379] ORIG_RAX: 00000000000000a6 [ 59.060840][ T378] __cleanup_mnt+0x19/0x20 [ 59.066176][ T379] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 59.070830][ T378] task_work_run+0x147/0x1b0 [ 59.070845][ T378] exit_to_user_mode_prepare+0xc3/0xe0 [ 59.075485][ T379] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 59.083454][ T378] syscall_exit_to_user_mode+0x24/0x40 [ 59.087835][ T379] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 59.095804][ T378] do_syscall_64+0x3d/0x70 [ 59.100187][ T379] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 59.104749][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.112703][ T379] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 59.118129][ T378] RIP: 0033:0x7fc98f9050f7 [ 59.126092][ T379] ---[ end trace 66ce1a3e6a5614c6 ]--- [ 59.131521][ T378] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 59.131533][ T378] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 59.139482][ T379] BUG: Dentry ffff88811ad37000{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 59.144911][ T378] ORIG_RAX: 00000000000000a6 [ 59.144923][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 59.155086][ T379] ------------[ cut here ]------------ [ 59.159452][ T378] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 59.165331][ T379] WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 59.170757][ T378] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 59.175146][ T379] Modules linked in: [ 59.194738][ T378] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 59.203037][ T379] [ 59.211430][ T378] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 59.211441][ T378] ---[ end trace 66ce1a3e6a5614c7 ]--- [ 59.215311][ T379] CPU: 0 PID: 379 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 59.901970][ T379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.912014][ T379] RIP: 0010:umount_check+0x18d/0x1d0 [ 59.917271][ T379] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 59.937225][ T379] RSP: 0018:ffffc90000b47c88 EFLAGS: 00010286 [ 59.943298][ T379] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: 37021090a4e36d00 [ 59.951279][ T379] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 59.959230][ T379] RBP: ffffc90000b47cb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 59.967191][ T379] R10: fffff52000168ee5 R11: 0000000000000004 R12: ffff88811ad37000 [ 59.975145][ T379] R13: dffffc0000000000 R14: ffff88811d05f3f8 R15: 0000000000000001 [ 59.983098][ T379] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 59.992013][ T379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.998568][ T379] CR2: 00007ffc0ec67878 CR3: 000000011cf4e000 CR4: 00000000003506b0 [ 60.006533][ T379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.014486][ T379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.022457][ T379] Call Trace: [ 60.025726][ T379] d_walk+0x309/0x540 [ 60.029687][ T379] ? __d_free+0x30/0x30 [ 60.033815][ T379] shrink_dcache_for_umount+0x8e/0x1b0 [ 60.039241][ T379] generic_shutdown_super+0x66/0x2c0 [ 60.044503][ T379] kill_litter_super+0x75/0xa0 [ 60.049235][ T379] deactivate_locked_super+0xb0/0x100 [ 60.054595][ T379] deactivate_super+0xa5/0xd0 [ 60.059241][ T379] cleanup_mnt+0x45f/0x510 [ 60.063633][ T379] __cleanup_mnt+0x19/0x20 [ 60.068020][ T379] task_work_run+0x147/0x1b0 [ 60.072591][ T379] exit_to_user_mode_prepare+0xc3/0xe0 [ 60.078022][ T379] syscall_exit_to_user_mode+0x24/0x40 [ 60.083467][ T379] do_syscall_64+0x3d/0x70 [ 60.087852][ T379] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.093722][ T379] RIP: 0033:0x7fc98f9050f7 [ 60.098111][ T379] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.117707][ T379] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 60.126103][ T379] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 60.134059][ T379] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 60.142019][ T379] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 60.149987][ T379] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 60.158026][ T379] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000001 [ 60.165980][ T379] ---[ end trace 66ce1a3e6a5614c8 ]--- executing program executing program executing program [ 60.171548][ T379] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 60.184140][ T375] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 60.196784][ T376] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 60.209359][ T380] BUG: Dentry ffff88811ad37cc0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 60.219562][ T380] ------------[ cut here ]------------ [ 60.225021][ T380] WARNING: CPU: 1 PID: 380 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 60.233314][ T380] Modules linked in: [ 60.237185][ T380] CPU: 1 PID: 380 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 60.248781][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.258820][ T380] RIP: 0010:umount_check+0x18d/0x1d0 [ 60.264102][ T380] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 60.283712][ T380] RSP: 0018:ffffc90000b57c88 EFLAGS: 00010286 [ 60.289777][ T380] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: e103de813c40d400 [ 60.297722][ T380] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 60.305715][ T380] RBP: ffffc90000b57cb8 R08: ffffffff815456c8 R09: fffff5200016aebd [ 60.313686][ T380] R10: fffff5200016aebd R11: 0000000000000000 R12: ffff88811ad37cc0 [ 60.321635][ T380] R13: dffffc0000000000 R14: ffff888105f9d3f8 R15: 0000000000000001 [ 60.329597][ T380] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 60.338498][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.345068][ T380] CR2: 00000000200002c0 CR3: 000000011cf62000 CR4: 00000000003506a0 [ 60.353021][ T380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.360968][ T380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.368910][ T380] Call Trace: [ 60.372210][ T380] d_walk+0x309/0x540 [ 60.376171][ T380] ? __d_free+0x30/0x30 [ 60.380310][ T380] shrink_dcache_for_umount+0x8e/0x1b0 [ 60.385741][ T380] generic_shutdown_super+0x66/0x2c0 [ 60.391008][ T380] kill_litter_super+0x75/0xa0 [ 60.395740][ T380] deactivate_locked_super+0xb0/0x100 [ 60.401104][ T380] deactivate_super+0xa5/0xd0 [ 60.405750][ T380] cleanup_mnt+0x45f/0x510 [ 60.410154][ T380] __cleanup_mnt+0x19/0x20 [ 60.414542][ T380] task_work_run+0x147/0x1b0 [ 60.419104][ T380] exit_to_user_mode_prepare+0xc3/0xe0 [ 60.424546][ T380] syscall_exit_to_user_mode+0x24/0x40 [ 60.430001][ T380] do_syscall_64+0x3d/0x70 [ 60.434387][ T380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.440269][ T380] RIP: 0033:0x7fc98f9050f7 [ 60.444669][ T380] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.464255][ T380] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 60.472662][ T380] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 60.480634][ T380] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 60.488583][ T380] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 60.496540][ T380] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 60.504556][ T380] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 60.512512][ T380] ---[ end trace 66ce1a3e6a5614c9 ]--- [ 60.517941][ T380] BUG: Dentry ffff88811ad37770{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 60.527758][ T380] ------------[ cut here ]------------ [ 60.533201][ T380] WARNING: CPU: 1 PID: 380 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 60.541497][ T380] Modules linked in: [ 60.545377][ T380] CPU: 1 PID: 380 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 60.556984][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.567036][ T380] RIP: 0010:umount_check+0x18d/0x1d0 [ 60.572302][ T380] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 60.591900][ T380] RSP: 0018:ffffc90000b57c88 EFLAGS: 00010286 [ 60.597949][ T380] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: e103de813c40d400 [ 60.605903][ T380] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 60.613866][ T380] RBP: ffffc90000b57cb8 R08: ffffffff815456c8 R09: fffff5200016aebd [ 60.621822][ T380] R10: fffff5200016aebd R11: 0000000000000000 R12: ffff88811ad37770 [ 60.629779][ T380] R13: dffffc0000000000 R14: ffff888105f9d3f8 R15: 0000000000000001 [ 60.637725][ T380] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 60.646647][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.653217][ T380] CR2: 00000000200002c0 CR3: 000000011cf62000 CR4: 00000000003506a0 [ 60.661183][ T380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.669207][ T380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.677164][ T380] Call Trace: [ 60.680443][ T380] d_walk+0x309/0x540 [ 60.684420][ T380] ? __d_free+0x30/0x30 [ 60.688655][ T380] shrink_dcache_for_umount+0x8e/0x1b0 [ 60.694092][ T380] generic_shutdown_super+0x66/0x2c0 [ 60.699347][ T380] kill_litter_super+0x75/0xa0 [ 60.704091][ T380] deactivate_locked_super+0xb0/0x100 [ 60.709431][ T380] deactivate_super+0xa5/0xd0 [ 60.714092][ T380] cleanup_mnt+0x45f/0x510 [ 60.718478][ T380] __cleanup_mnt+0x19/0x20 [ 60.722874][ T380] task_work_run+0x147/0x1b0 [ 60.727435][ T380] exit_to_user_mode_prepare+0xc3/0xe0 [ 60.732960][ T380] syscall_exit_to_user_mode+0x24/0x40 [ 60.738389][ T380] do_syscall_64+0x3d/0x70 [ 60.742781][ T380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.748644][ T380] RIP: 0033:0x7fc98f9050f7 [ 60.753038][ T380] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 60.772646][ T380] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 60.781039][ T380] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 60.788983][ T380] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 60.796936][ T380] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 60.805326][ T380] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 60.813450][ T380] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 executing program [ 60.821426][ T380] ---[ end trace 66ce1a3e6a5614ca ]--- [ 60.828502][ T380] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 60.839338][ T23] audit: type=1400 audit(1645198405.279:82): avc: denied { remove_name } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 60.843310][ T378] BUG: Dentry ffff88811ad9a220{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 60.871967][ T378] ------------[ cut here ]------------ [ 60.877409][ T378] WARNING: CPU: 1 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 60.885752][ T378] Modules linked in: [ 60.889689][ T378] CPU: 1 PID: 378 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 60.901335][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.911397][ T378] RIP: 0010:umount_check+0x18d/0x1d0 [ 60.916661][ T378] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 60.936254][ T378] RSP: 0018:ffffc9000099fc88 EFLAGS: 00010286 [ 60.942300][ T378] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: c109407a1b145900 [ 60.950253][ T378] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 60.958198][ T378] RBP: ffffc9000099fcb8 R08: ffffffff815456c8 R09: fffff52000133ebd [ 60.966147][ T378] R10: fffff52000133ebd R11: 0000000000000000 R12: ffff88811ad9a220 [ 60.974110][ T378] R13: dffffc0000000000 R14: ffff888105f9f3f8 R15: 0000000000000001 [ 60.982074][ T378] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 60.990986][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.997540][ T378] CR2: 00000000200002c0 CR3: 000000011cf3a000 CR4: 00000000003506a0 [ 61.005506][ T378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.013460][ T378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.021406][ T378] Call Trace: [ 61.024764][ T378] d_walk+0x309/0x540 [ 61.028716][ T378] ? __d_free+0x30/0x30 [ 61.032854][ T378] shrink_dcache_for_umount+0x8e/0x1b0 [ 61.038281][ T378] generic_shutdown_super+0x66/0x2c0 [ 61.043544][ T378] kill_litter_super+0x75/0xa0 [ 61.048275][ T378] deactivate_locked_super+0xb0/0x100 [ 61.053634][ T378] deactivate_super+0xa5/0xd0 [ 61.058284][ T378] cleanup_mnt+0x45f/0x510 [ 61.062676][ T378] __cleanup_mnt+0x19/0x20 [ 61.067063][ T378] task_work_run+0x147/0x1b0 [ 61.071647][ T378] exit_to_user_mode_prepare+0xc3/0xe0 [ 61.077079][ T378] syscall_exit_to_user_mode+0x24/0x40 [ 61.082585][ T378] do_syscall_64+0x3d/0x70 [ 61.086980][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.092854][ T378] RIP: 0033:0x7fc98f9050f7 [ 61.097246][ T378] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 61.116847][ T378] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 61.125245][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 61.133207][ T378] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 61.141160][ T378] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 61.149103][ T378] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 61.157055][ T378] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 61.165007][ T378] ---[ end trace 66ce1a3e6a5614cb ]--- [ 61.170468][ T378] BUG: Dentry ffff88811ad9a550{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 61.180198][ T378] ------------[ cut here ]------------ [ 61.185646][ T378] WARNING: CPU: 1 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 61.193939][ T378] Modules linked in: [ 61.197808][ T378] CPU: 1 PID: 378 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 61.209414][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.219453][ T378] RIP: 0010:umount_check+0x18d/0x1d0 [ 61.224712][ T378] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 61.244315][ T378] RSP: 0018:ffffc9000099fc88 EFLAGS: 00010286 [ 61.250371][ T378] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: c109407a1b145900 [ 61.258314][ T378] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 61.266262][ T378] RBP: ffffc9000099fcb8 R08: ffffffff815456c8 R09: fffff52000133ebd [ 61.274215][ T378] R10: fffff52000133ebd R11: 0000000000000000 R12: ffff88811ad9a550 [ 61.282187][ T378] R13: dffffc0000000000 R14: ffff888105f9f3f8 R15: 0000000000000001 [ 61.290139][ T378] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 61.299038][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.305606][ T378] CR2: 00000000200002c0 CR3: 000000011cf3a000 CR4: 00000000003506a0 [ 61.313558][ T378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.321510][ T378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.329448][ T378] Call Trace: [ 61.332739][ T378] d_walk+0x309/0x540 [ 61.336691][ T378] ? __d_free+0x30/0x30 [ 61.340826][ T378] shrink_dcache_for_umount+0x8e/0x1b0 [ 61.346256][ T378] generic_shutdown_super+0x66/0x2c0 [ 61.351516][ T378] kill_litter_super+0x75/0xa0 [ 61.356262][ T378] deactivate_locked_super+0xb0/0x100 [ 61.361615][ T378] deactivate_super+0xa5/0xd0 [ 61.366261][ T378] cleanup_mnt+0x45f/0x510 [ 61.370653][ T378] __cleanup_mnt+0x19/0x20 [ 61.375045][ T378] task_work_run+0x147/0x1b0 [ 61.379617][ T378] exit_to_user_mode_prepare+0xc3/0xe0 [ 61.385049][ T378] syscall_exit_to_user_mode+0x24/0x40 [ 61.390486][ T378] do_syscall_64+0x3d/0x70 [ 61.394882][ T378] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.400752][ T378] RIP: 0033:0x7fc98f9050f7 [ 61.405146][ T378] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 61.424752][ T378] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 61.433152][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 61.441108][ T378] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 61.449163][ T378] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 61.457222][ T378] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 61.465180][ T378] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 61.473152][ T378] ---[ end trace 66ce1a3e6a5614cc ]--- [ 61.479281][ T398] incfs: ino conflict with backing FS 2 [ 61.485575][ T399] incfs: ino conflict with backing FS 2 [ 61.490031][ T378] VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... [ 61.491469][ T400] incfs: ino conflict with backing FS 2 [ 61.508271][ T375] BUG: Dentry ffff88811adb2330{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 61.510378][ T401] incfs: ino conflict with backing FS 2 executing program [ 61.518554][ T375] ------------[ cut here ]------------ [ 61.524812][ T397] incfs: ino conflict with backing FS 2 [ 61.529464][ T375] WARNING: CPU: 0 PID: 375 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 61.529474][ T375] Modules linked in: [ 61.535675][ T23] audit: type=1400 audit(1645198405.919:83): avc: denied { rename } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 61.543429][ T375] [ 61.549966][ T402] incfs: ino conflict with backing FS 2 [ 61.569280][ T375] CPU: 0 PID: 375 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 61.588931][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.599088][ T375] RIP: 0010:umount_check+0x18d/0x1d0 [ 61.604369][ T375] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 61.623978][ T375] RSP: 0018:ffffc900002afc88 EFLAGS: 00010286 [ 61.630146][ T375] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: a2cad671ae25bd00 [ 61.638091][ T375] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 61.646064][ T375] RBP: ffffc900002afcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 61.654038][ T375] R10: fffff52000055ee5 R11: 0000000000000004 R12: ffff88811adb2330 [ 61.662007][ T375] R13: dffffc0000000000 R14: ffff888105f9c3f8 R15: 0000000000000001 [ 61.669974][ T375] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 61.678901][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.685486][ T375] CR2: 00007ffc0ec65fd8 CR3: 00000001079f3000 CR4: 00000000003506b0 [ 61.693476][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.701447][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.709395][ T375] Call Trace: [ 61.712686][ T375] d_walk+0x309/0x540 [ 61.716657][ T375] ? __d_free+0x30/0x30 [ 61.720815][ T375] shrink_dcache_for_umount+0x8e/0x1b0 [ 61.726261][ T375] generic_shutdown_super+0x66/0x2c0 [ 61.731542][ T375] kill_litter_super+0x75/0xa0 [ 61.736286][ T375] deactivate_locked_super+0xb0/0x100 [ 61.741654][ T375] deactivate_super+0xa5/0xd0 [ 61.746312][ T375] cleanup_mnt+0x45f/0x510 [ 61.750727][ T375] __cleanup_mnt+0x19/0x20 [ 61.755131][ T375] task_work_run+0x147/0x1b0 [ 61.759720][ T375] exit_to_user_mode_prepare+0xc3/0xe0 [ 61.765186][ T375] syscall_exit_to_user_mode+0x24/0x40 [ 61.770640][ T375] do_syscall_64+0x3d/0x70 [ 61.775036][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.780943][ T375] RIP: 0033:0x7fc98f9050f7 [ 61.785359][ T375] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 61.804980][ T375] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 61.813426][ T375] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 61.821422][ T375] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 61.829376][ T375] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 61.837368][ T375] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 61.845344][ T375] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 61.853446][ T375] ---[ end trace 66ce1a3e6a5614cd ]--- [ 61.858901][ T375] BUG: Dentry ffff88811adb2110{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 61.868679][ T375] ------------[ cut here ]------------ [ 61.874177][ T375] WARNING: CPU: 0 PID: 375 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 61.882493][ T375] Modules linked in: [ 61.886388][ T375] CPU: 0 PID: 375 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 61.898014][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.908083][ T375] RIP: 0010:umount_check+0x18d/0x1d0 [ 61.913374][ T375] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 61.932994][ T375] RSP: 0018:ffffc900002afc88 EFLAGS: 00010286 [ 61.939741][ T375] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: a2cad671ae25bd00 [ 61.947695][ T375] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 61.955676][ T375] RBP: ffffc900002afcb8 R08: ffffffff815456c8 R09: fffff52000055ebd [ 61.963652][ T375] R10: fffff52000055ebd R11: 0000000000000000 R12: ffff88811adb2110 [ 61.971626][ T375] R13: dffffc0000000000 R14: ffff888105f9c3f8 R15: 0000000000000001 [ 61.979635][ T375] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 61.988556][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.995185][ T375] CR2: 00007ffc0ec65fd8 CR3: 00000001079f3000 CR4: 00000000003506b0 [ 62.003219][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.011204][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.019161][ T375] Call Trace: [ 62.022473][ T375] d_walk+0x309/0x540 [ 62.026446][ T375] ? __d_free+0x30/0x30 [ 62.030602][ T375] shrink_dcache_for_umount+0x8e/0x1b0 [ 62.036186][ T375] generic_shutdown_super+0x66/0x2c0 [ 62.041485][ T375] kill_litter_super+0x75/0xa0 [ 62.046234][ T375] deactivate_locked_super+0xb0/0x100 [ 62.051616][ T375] deactivate_super+0xa5/0xd0 [ 62.056288][ T375] cleanup_mnt+0x45f/0x510 [ 62.060725][ T375] __cleanup_mnt+0x19/0x20 [ 62.065129][ T375] task_work_run+0x147/0x1b0 [ 62.069726][ T375] exit_to_user_mode_prepare+0xc3/0xe0 [ 62.075173][ T375] syscall_exit_to_user_mode+0x24/0x40 [ 62.080635][ T375] do_syscall_64+0x3d/0x70 [ 62.085037][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.090928][ T375] RIP: 0033:0x7fc98f9050f7 [ 62.095327][ T375] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 62.114957][ T375] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 62.123406][ T375] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 62.131389][ T375] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 62.139349][ T375] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 62.147320][ T375] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 62.155298][ T375] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 62.163274][ T375] ---[ end trace 66ce1a3e6a5614ce ]--- [ 62.168894][ T375] BUG: Dentry ffff88811adb2330{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 62.168913][ T380] BUG: Dentry ffff88811adb3990{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] [ 62.179114][ T375] ------------[ cut here ]------------ [ 62.189248][ T380] ------------[ cut here ]------------ [ 62.194674][ T375] WARNING: CPU: 0 PID: 375 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 62.200111][ T380] WARNING: CPU: 1 PID: 380 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 62.208415][ T375] Modules linked in: [ 62.216724][ T380] Modules linked in: [ 62.216734][ T375] [ 62.220605][ T380] [ 62.224477][ T375] CPU: 0 PID: 375 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 62.226779][ T380] CPU: 1 PID: 380 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 62.229074][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.240679][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.240692][ T380] RIP: 0010:umount_check+0x18d/0x1d0 [ 62.240707][ T380] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 62.252310][ T375] RIP: 0010:umount_check+0x18d/0x1d0 [ 62.262360][ T380] RSP: 0018:ffffc90000b57c88 EFLAGS: 00010286 [ 62.272398][ T375] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 62.277644][ T380] [ 62.297238][ T375] RSP: 0018:ffffc900002afc88 EFLAGS: 00010286 [ 62.302515][ T380] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: e103de813c40d400 [ 62.308534][ T375] [ 62.328128][ T380] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 62.330443][ T375] RAX: 000000000000005a RBX: ffffffff8660f860 RCX: a2cad671ae25bd00 [ 62.330456][ T375] RDX: 0000000000000000 RSI: 0000000080000003 RDI: 0000000000000000 [ 62.336491][ T380] RBP: ffffc90000b57cb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 62.344445][ T375] RBP: ffffc900002afcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 62.346744][ T380] R10: fffff5200016aee5 R11: 0000000000000004 R12: ffff88811adb3990 [ 62.354697][ T375] R10: fffff52000055ee5 R11: 0000000000000004 R12: ffff88811adb2330 [ 62.362651][ T380] R13: dffffc0000000000 R14: ffff888105f9e3f8 R15: 0000000000000001 [ 62.370605][ T375] R13: dffffc0000000000 R14: ffff888105f9c3f8 R15: 0000000000000001 [ 62.378550][ T380] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 62.386506][ T375] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 62.394457][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.394470][ T380] CR2: 00007ffc0ec65fd8 CR3: 000000011cf62000 CR4: 00000000003506a0 [ 62.402426][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.410380][ T380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.418325][ T375] CR2: 00007ffc0ec65fd8 CR3: 00000001079f3000 CR4: 00000000003506b0 [ 62.427238][ T380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.436146][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.442725][ T380] Call Trace: [ 62.450683][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.457245][ T380] d_walk+0x309/0x540 [ 62.465188][ T375] Call Trace: [ 62.473152][ T380] ? __d_free+0x30/0x30 [ 62.481104][ T375] d_walk+0x309/0x540 [ 62.481118][ T375] ? __d_free+0x30/0x30 [ 62.489070][ T380] shrink_dcache_for_umount+0x8e/0x1b0 [ 62.492335][ T375] shrink_dcache_for_umount+0x8e/0x1b0 [ 62.492351][ T375] generic_shutdown_super+0x66/0x2c0 [ 62.500306][ T380] generic_shutdown_super+0x66/0x2c0 [ 62.504259][ T375] kill_litter_super+0x75/0xa0 [ 62.507534][ T380] kill_litter_super+0x75/0xa0 [ 62.511695][ T375] deactivate_locked_super+0xb0/0x100 [ 62.515664][ T380] deactivate_locked_super+0xb0/0x100 [ 62.519817][ T375] deactivate_super+0xa5/0xd0 [ 62.525247][ T380] deactivate_super+0xa5/0xd0 [ 62.530693][ T375] cleanup_mnt+0x45f/0x510 [ 62.535950][ T380] cleanup_mnt+0x45f/0x510 [ 62.541235][ T375] __cleanup_mnt+0x19/0x20 [ 62.545971][ T380] __cleanup_mnt+0x19/0x20 [ 62.550727][ T375] task_work_run+0x147/0x1b0 [ 62.556068][ T380] task_work_run+0x147/0x1b0 [ 62.561445][ T375] exit_to_user_mode_prepare+0xc3/0xe0 [ 62.566091][ T380] exit_to_user_mode_prepare+0xc3/0xe0 [ 62.570756][ T375] syscall_exit_to_user_mode+0x24/0x40 [ 62.575170][ T380] syscall_exit_to_user_mode+0x24/0x40 [ 62.579558][ T375] do_syscall_64+0x3d/0x70 [ 62.583964][ T380] do_syscall_64+0x3d/0x70 [ 62.588352][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.592924][ T380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.597487][ T375] RIP: 0033:0x7fc98f9050f7 [ 62.602934][ T380] RIP: 0033:0x7fc98f9050f7 [ 62.608362][ T375] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 62.613800][ T380] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 62.619224][ T375] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 62.623627][ T380] RSP: 002b:00007ffc0ec667a8 EFLAGS: 00000202 [ 62.628010][ T375] ORIG_RAX: 00000000000000a6 [ 62.633877][ T380] ORIG_RAX: 00000000000000a6 [ 62.633890][ T380] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 62.639788][ T375] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc98f9050f7 [ 62.644193][ T380] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 62.648601][ T375] RDX: 00007ffc0ec66867 RSI: 000000000000000a RDI: 00007ffc0ec66860 [ 62.668224][ T380] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 62.687833][ T375] RBP: 00007ffc0ec66860 R08: 00000000ffffffff R09: 00007ffc0ec66640 [ 62.693882][ T380] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 62.699928][ T375] R10: 000055555692b683 R11: 0000000000000202 R12: 00007ffc0ec678d0 [ 62.704607][ T380] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000003 [ 62.709263][ T375] R13: 000055555692b5f0 R14: 00007ffc0ec667d0 R15: 0000000000000002 [ 62.717240][ T380] ---[ end trace 66ce1a3e6a5614cf ]--- [ 62.725237][ T375] ---[ end trace 66ce1a3e6a5614d0 ]--- [ 62.733206][ T380] BUG: Dentry ffff88811adb3cc0{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 62.741166][ T375] BUG: Dentry ffff88811adb2110{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] [ 62.749141][ T380] ------------[ cut here ]------------ [ 62.757094][ T375] ------------[ cut here ]------------ [ 62.765027][ T380] WARNING: CPU: 1 PID: 380 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 62.765036][ T380] Modules linked in: [ 62.773040][ T375] WARNING: CPU: 0 PID: 375 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 [ 62.780993][ T380] [ 62.781013][ T380] CPU: 1 PID: 380 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 62.788955][ T375] Modules linked in: [ 62.794434][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.799877][ T375] [ 62.809658][ T380] RIP: 0010:umount_check+0x18d/0x1d0 [ 62.809675][ T380] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 62.819367][ T375] CPU: 0 PID: 375 Comm: syz-executor205 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 [ 62.824815][ T380] RSP: 0018:ffffc90000b57c88 EFLAGS: 00010286 [ 62.830274][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.838562][ T380] [ 62.842458][ T375] RIP: 0010:umount_check+0x18d/0x1d0 [ 62.850760][ T380] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: e103de813c40d400 [ 62.853062][ T375] Code: 8b 0b 49 81 c6 f8 03 00 00 48 c7 c7 c0 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 7e aa 9e ff 48 83 c4 08 <0f> 0b e9 f1 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c9 fe ff [ 62.864657][ T380] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 62.864670][ T380] RBP: ffffc90000b57cb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 62.868544][ T375] RSP: 0018:ffffc900002afc88 EFLAGS: 00010286 [ 62.878665][ T380] R10: fffff5200016aee5 R11: 0000000000000004 R12: ffff88811adb3cc0 [ 62.878678][ T380] R13: dffffc0000000000 R14: ffff888105f9e3f8 R15: 0000000000000001 [ 62.880989][ T375] [ 62.886268][ T380] FS: 000055555692a300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 62.905866][ T375] RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: a2cad671ae25bd00 [ 62.917636][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.917650][ T380] CR2: 00007ffc0ec65fd8 CR3: 000000011cf62000 CR4: 00000000003506a0 [ 62.923698][ T375] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 [ 62.933754][ T380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.936057][ T375] RBP: ffffc900002afcb8 R08: ffffffff815456c8 R09: 0000000000000003 [ 62.941323][ T380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.949271][ T375] R10: fffff52000055ee5 R11: 0000000000000004 R12: ffff88811adb2110 [ 62.969037][ T380] Call Trace: [ 62.977002][ T375] R13: dffffc0000000000 R14: ffff888105f9c3f8 R15: 0000000000000001 [ 62.984968][ T380] d_walk+0x309/0x540 [ 62.991012][ T375] FS: 000055555692a300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 62.999054][ T380] ? __d_free+0x30/0x30 [ 63.007013][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.009327][ T380] shrink_dcache_for_umount+0x8e/0x1b0 [ 63.018250][ T375] CR2: 00007ffc0ec65fd8 CR3: 00000001079f3000 CR4: 00000000003506b0 [ 63.026216][ T380] generic_shutdown_super+0x66/0x2c0 [ 63.032780][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.040762][ T380] kill_litter_super+0x75/0xa0 [ 63.048698][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.048708][ T375] Call Trace: [ 63.056669][ T380] deactivate_locked_super+0xb0/0x100 [ 63.056683][ T380] deactivate_super+0xa5/0xd0 [ 63.064643][ T375] d_walk+0x309/0x540 [ 63.072601][ T380] cleanup_mnt+0x45f/0x510 [ 63.080568][ T375] ? __d_free+0x30/0x30 [ 63.083823][ T380] __cleanup_mnt+0x19/0x20