BUG: Dentry ffff8881ab9a4770{i=48c,n=.incomplete} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 310 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 310 Comm: syz-executor.0 Not tainted 5.4.161-syzkaller-00053-gac3eac18e72e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 b3 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff8881b2aa7cb8 EFLAGS: 00010286 RAX: 000000000000006e RBX: ffffffff85de5820 RCX: be8e2370efce8f00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881e0b96420 R08: ffffffff814b15ec R09: ffffed1036554f4f R10: ffffed1036554f4f R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 000000000000048c R15: ffff8881ab9a4770 FS: 0000555555c1e400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2cf58403a5 CR3: 00000001b2a71000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 incfs_kill_sb+0x47/0x70 fs/incfs/vfs.c:1907 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x168/0x210 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fefe3f3d4c7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7cd817b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefe3f3d4c7 RDX: 00007ffe7cd8188b RSI: 000000000000000a RDI: 00007ffe7cd81880 RBP: 00007ffe7cd81880 R08: 00000000ffffffff R09: 00007ffe7cd81650 R10: 0000555555c1fba3 R11: 0000000000000246 R12: 00007fefe3f951ea R13: 00007ffe7cd82940 R14: 0000555555c1fb00 R15: 00007ffe7cd82980 ---[ end trace c4adeae569519047 ]--- BUG: Dentry ffff8881ab9a4550{i=48b,n=.index} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 310 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 310 Comm: syz-executor.0 Tainted: G W 5.4.161-syzkaller-00053-gac3eac18e72e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 b3 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff8881b2aa7cb8 EFLAGS: 00010286 RAX: 0000000000000069 RBX: ffffffff85de5820 RCX: be8e2370efce8f00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881e0b96420 R08: ffffffff814b15ec R09: ffffed103edcaa08 R10: ffffed103edcaa08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 000000000000048b R15: ffff8881ab9a4550 FS: 0000555555c1e400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2cf58403a5 CR3: 00000001b2a71000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 incfs_kill_sb+0x47/0x70 fs/incfs/vfs.c:1907 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x168/0x210 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fefe3f3d4c7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7cd817b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefe3f3d4c7 RDX: 00007ffe7cd8188b RSI: 000000000000000a RDI: 00007ffe7cd81880 RBP: 00007ffe7cd81880 R08: 00000000ffffffff R09: 00007ffe7cd81650 R10: 0000555555c1fba3 R11: 0000000000000246 R12: 00007fefe3f951ea R13: 00007ffe7cd82940 R14: 0000555555c1fb00 R15: 00007ffe7cd82980 ---[ end trace c4adeae569519048 ]--- BUG: Dentry ffff8881ab9a4770{i=48c,n=.incomplete} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 310 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 310 Comm: syz-executor.0 Tainted: G W 5.4.161-syzkaller-00053-gac3eac18e72e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 b3 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff8881b2aa7cb8 EFLAGS: 00010286 RAX: 000000000000006e RBX: ffffffff85de5820 RCX: be8e2370efce8f00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881e0b96420 R08: ffffffff814b15ec R09: ffffed103edeaa08 R10: ffffed103edeaa08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 000000000000048c R15: ffff8881ab9a4770 FS: 0000555555c1e400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1e75965058 CR3: 00000001b2a71000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 incfs_kill_sb+0x47/0x70 fs/incfs/vfs.c:1907 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x168/0x210 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fefe3f3d4c7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7cd817b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefe3f3d4c7 RDX: 00007ffe7cd8188b RSI: 000000000000000a RDI: 00007ffe7cd81880 RBP: 00007ffe7cd81880 R08: 00000000ffffffff R09: 00007ffe7cd81650 R10: 0000555555c1fba3 R11: 0000000000000246 R12: 00007fefe3f951ea R13: 00007ffe7cd82940 R14: 0000555555c1fb00 R15: 00007ffe7cd82980 ---[ end trace c4adeae569519049 ]--- BUG: Dentry ffff8881ab9a4550{i=48b,n=.index} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 310 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 1 PID: 310 Comm: syz-executor.0 Tainted: G W 5.4.161-syzkaller-00053-gac3eac18e72e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 b3 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff8881b2aa7cb8 EFLAGS: 00010286 RAX: 0000000000000069 RBX: ffffffff85de5820 RCX: be8e2370efce8f00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881e0b96420 R08: ffffffff814b15ec R09: ffffed1036554f4f R10: ffffed1036554f4f R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000001 R14: 000000000000048b R15: ffff8881ab9a4550 FS: 0000555555c1e400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1e75965058 CR3: 00000001b2a71000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 incfs_kill_sb+0x47/0x70 fs/incfs/vfs.c:1907 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x168/0x210 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fefe3f3d4c7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7cd817b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefe3f3d4c7 RDX: 00007ffe7cd8188b RSI: 000000000000000a RDI: 00007ffe7cd81880 RBP: 00007ffe7cd81880 R08: 00000000ffffffff R09: 00007ffe7cd81650 R10: 0000555555c1fba3 R11: 0000000000000246 R12: 00007fefe3f951ea R13: 00007ffe7cd82940 R14: 0000555555c1fb00 R15: 00007ffe7cd82980 ---[ end trace c4adeae56951904a ]--- VFS: Busy inodes after unmount of incremental-fs. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881ab90aaa0{i=498,n=.incomplete} still in use (64) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 310 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 310 Comm: syz-executor.0 Tainted: G W 5.4.161-syzkaller-00053-gac3eac18e72e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 b3 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff8881b2aa7cb8 EFLAGS: 00010286 RAX: 000000000000006f RBX: ffffffff85de5820 RCX: be8e2370efce8f00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881ae8b4420 R08: ffffffff814b15ec R09: ffffed103edcaa08 R10: ffffed103edcaa08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000040 R14: 0000000000000498 R15: ffff8881ab90aaa0 FS: 0000555555c1e400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffceffa9478 CR3: 00000001b2a71000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 incfs_kill_sb+0x47/0x70 fs/incfs/vfs.c:1907 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x168/0x210 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fefe3f3d4c7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7cd817b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefe3f3d4c7 RDX: 00007ffe7cd8188b RSI: 000000000000000a RDI: 00007ffe7cd81880 RBP: 00007ffe7cd81880 R08: 00000000ffffffff R09: 00007ffe7cd81650 R10: 0000555555c1fba3 R11: 0000000000000246 R12: 00007fefe3f951ea R13: 00007ffe7cd82940 R14: 0000555555c1fb00 R15: 00007ffe7cd82980 ---[ end trace c4adeae56951904b ]--- BUG: Dentry ffff8881a9e3a220{i=497,n=.index} still in use (64) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 310 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 310 Comm: syz-executor.0 Tainted: G W 5.4.161-syzkaller-00053-gac3eac18e72e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 b3 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff8881b2aa7cb8 EFLAGS: 00010286 RAX: 000000000000006a RBX: ffffffff85de5820 RCX: be8e2370efce8f00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff8881ae8b4420 R08: ffffffff814b15ec R09: ffffed103edcaa08 R10: ffffed103edcaa08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000040 R14: 0000000000000497 R15: ffff8881a9e3a220 FS: 0000555555c1e400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffceffa9478 CR3: 00000001b2a71000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 incfs_kill_sb+0x47/0x70 fs/incfs/vfs.c:1907 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x168/0x210 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fefe3f3d4c7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7cd817b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefe3f3d4c7 RDX: 00007ffe7cd8188b RSI: 000000000000000a RDI: 00007ffe7cd81880 RBP: 00007ffe7cd81880 R08: 00000000ffffffff R09: 00007ffe7cd81650 R10: 0000555555c1fba3 R11: 0000000000000246 R12: 00007fefe3f951ea R13: 00007ffe7cd82940 R14: 0000555555c1fb00 R15: 00007ffe7cd82980 ---[ end trace c4adeae56951904c ]--- BUG: Dentry ffff8881ab90aaa0{i=498,n=.incomplete} still in use (64) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 310 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 310 Comm: syz-executor.0 Tainted: G W 5.4.161-syzkaller-00053-gac3eac18e72e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 b3 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff8881b2aa7cb8 EFLAGS: 00010286 RAX: 000000000000006f RBX: ffffffff85de5820 RCX: be8e2370efce8f00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881ae8b4420 R08: ffffffff814b15ec R09: ffffed103edcaa08 R10: ffffed103edcaa08 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000040 R14: 0000000000000498 R15: ffff8881ab90aaa0 FS: 0000555555c1e400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2cf483f070 CR3: 00000001b2a71000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 incfs_kill_sb+0x47/0x70 fs/incfs/vfs.c:1907 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x168/0x210 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fefe3f3d4c7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7cd817b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefe3f3d4c7 RDX: 00007ffe7cd8188b RSI: 000000000000000a RDI: 00007ffe7cd81880 RBP: 00007ffe7cd81880 R08: 00000000ffffffff R09: 00007ffe7cd81650 R10: 0000555555c1fba3 R11: 0000000000000246 R12: 00007fefe3f951ea R13: 00007ffe7cd82940 R14: 0000555555c1fb00 R15: 00007ffe7cd82980 ---[ end trace c4adeae56951904d ]--- BUG: Dentry ffff8881a9e3a220{i=497,n=.index} still in use (64) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 310 at fs/dcache.c:1597 umount_check+0x179/0x1c0 fs/dcache.c:1588 Modules linked in: CPU: 0 PID: 310 Comm: syz-executor.0 Tainted: G W 5.4.161-syzkaller-00053-gac3eac18e72e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x179/0x1c0 fs/dcache.c:1588 Code: ff 4c 8b 0b 48 81 c5 20 04 00 00 48 c7 c7 60 1c c9 84 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 31 c0 55 e8 47 23 b3 ff 48 83 c4 08 <0f> 0b e9 fd fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c d4 fe ff RSP: 0018:ffff8881b2aa7cb8 EFLAGS: 00010286 RAX: 000000000000006a RBX: ffffffff85de5820 RCX: be8e2370efce8f00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffff8881ae8b4420 R08: ffffffff814b15ec R09: ffffed1036554f4f R10: ffffed1036554f4f R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000040 R14: 0000000000000497 R15: ffff8881a9e3a220 FS: 0000555555c1e400(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2cf483f070 CR3: 00000001b2a71000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x2d9/0x540 fs/dcache.c:1307 do_one_tree fs/dcache.c:1604 [inline] shrink_dcache_for_umount+0x8a/0x1a0 fs/dcache.c:1620 generic_shutdown_super+0x63/0x2a0 fs/super.c:447 incfs_kill_sb+0x47/0x70 fs/incfs/vfs.c:1907 deactivate_locked_super+0xaf/0x100 fs/super.c:335 deactivate_super+0x168/0x210 fs/super.c:366 cleanup_mnt+0x432/0x4e0 fs/namespace.c:1102 task_work_run+0x186/0x1b0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop arch/x86/entry/common.c:163 [inline] prepare_exit_to_usermode+0x2b0/0x310 arch/x86/entry/common.c:194 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fefe3f3d4c7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe7cd817b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fefe3f3d4c7 RDX: 00007ffe7cd8188b RSI: 000000000000000a RDI: 00007ffe7cd81880 RBP: 00007ffe7cd81880 R08: 00000000ffffffff R09: 00007ffe7cd81650 R10: 0000555555c1fba3 R11: 0000000000000246 R12: 00007fefe3f951ea R13: 00007ffe7cd82940 R14: 0000555555c1fb00 R15: 00007ffe7cd82980 ---[ end trace c4adeae56951904e ]--- VFS: Busy inodes after unmount of incremental-fs. Self-destruct in 5 seconds. Have a nice day...