BUG: Dentry ffff88811a4b6cc0{i=49a,n=.incomplete} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 379 Comm: syz-executor.2 Not tainted 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0018:ffffc90000c07c78 EFLAGS: 00010286 RAX: 000000000000006e RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee0a5d8 R10: ffffed103ee0a5d8 R11: 0000000000000000 R12: ffff88811a4b6cc0 R13: dffffc0000000000 R14: ffff888115de63f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff4e070e18 CR3: 0000000153eed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d16b ]--- BUG: Dentry ffff88811a4b6110{i=499,n=.index} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 379 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0018:ffffc90000c07c78 EFLAGS: 00010286 RAX: 0000000000000069 RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee04e83 R10: ffffed103ee04e83 R11: 0000000000000000 R12: ffff88811a4b6110 R13: dffffc0000000000 R14: ffff888115de63f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff4e070e18 CR3: 0000000153eed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d16c ]--- VFS: Busy inodes after unmount of incremental-fs. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff88810b6f6cc0{i=4a7,n=.incomplete} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 379 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0018:ffffc90000c07c78 EFLAGS: 00010286 RAX: 000000000000006e RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee0a5d8 R10: ffffed103ee0a5d8 R11: 0000000000000000 R12: ffff88810b6f6cc0 R13: dffffc0000000000 R14: ffff88811e00f3f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff4e070e18 CR3: 0000000153eed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d16d ]--- BUG: Dentry ffff88810b6f6880{i=4a6,n=.index} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 379 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0018:ffffc90000c07c78 EFLAGS: 00010286 RAX: 0000000000000069 RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee04e83 R10: ffffed103ee04e83 R11: 0000000000000000 R12: ffff88810b6f6880 R13: dffffc0000000000 R14: ffff88811e00f3f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff4e070e18 CR3: 0000000153eed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d16e ]--- VFS: Busy inodes after unmount of incremental-fs. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff88810de82110{i=4aa,n=.incomplete} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 379 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0000:ffffc90000c07c78 EFLAGS: 00010286 RAX: 000000000000006e RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee0a5d8 R10: ffffed103ee0a5d8 R11: 0000000000000000 R12: ffff88810de82110 R13: dffffc0000000000 R14: ffff88811e29d3f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe76155258 CR3: 0000000153eed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d16f ]--- BUG: Dentry ffff8881576cedd0{i=4a9,n=.index} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 379 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0000:ffffc90000c07c78 EFLAGS: 00010286 RAX: 0000000000000069 RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee04e83 R10: ffffed103ee04e83 R11: 0000000000000000 R12: ffff8881576cedd0 R13: dffffc0000000000 R14: ffff88811e29d3f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe76155258 CR3: 0000000153eed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d170 ]--- VFS: Busy inodes after unmount of incremental-fs. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff8881576cd660{i=4ad,n=.incomplete} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 379 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0018:ffffc90000c07c78 EFLAGS: 00010286 RAX: 000000000000006e RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee04e83 R10: ffffed103ee04e83 R11: 0000000000000000 R12: ffff8881576cd660 R13: dffffc0000000000 R14: ffff888114dde3f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa52c05e218 CR3: 0000000153eed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d171 ]--- BUG: Dentry ffff8881576cddd0{i=4ac,n=.index} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 379 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0018:ffffc90000c07c78 EFLAGS: 00010286 RAX: 0000000000000069 RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee0a5d8 R10: ffffed103ee0a5d8 R11: 0000000000000000 R12: ffff8881576cddd0 R13: dffffc0000000000 R14: ffff888114dde3f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa52c05e218 CR3: 0000000153eed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d172 ]--- BUG: Dentry ffff8881576cd660{i=4ad,n=.incomplete} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 1 PID: 379 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0018:ffffc90000c07c78 EFLAGS: 00010286 RAX: 000000000000006e RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee2a5d8 R10: ffffed103ee2a5d8 R11: 0000000000000000 R12: ffff8881576cd660 R13: dffffc0000000000 R14: ffff888114dde3f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560bb778c738 CR3: 0000000153eed000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d173 ]--- BUG: Dentry ffff8881576cddd0{i=4ac,n=.index} still in use (1) [unmount of incremental-fs incremental-fs] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 379 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 1 PID: 379 Comm: syz-executor.2 Tainted: G W 5.10.101-syzkaller-00961-gc194212a0332 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:umount_check+0x18d/0x1d0 fs/dcache.c:1607 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 RSP: 0018:ffffc90000c07c78 EFLAGS: 00010286 RAX: 0000000000000069 RBX: ffffffff866d6800 RCX: d7f5c70f71886c00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffffc90000c07ca8 R08: ffffffff815456c8 R09: ffffed103ee2a5d8 R10: ffffed103ee2a5d8 R11: 0000000000000000 R12: ffff8881576cddd0 R13: dffffc0000000000 R14: ffff888114dde3f8 R15: 0000000000000001 FS: 0000555556316400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560bb778c738 CR3: 0000000153eed000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x309/0x540 fs/dcache.c:1326 do_one_tree fs/dcache.c:1623 [inline] shrink_dcache_for_umount+0x8e/0x1b0 fs/dcache.c:1639 generic_shutdown_super+0x66/0x2c0 fs/super.c:447 incfs_kill_sb+0x4b/0x80 fs/incfs/vfs.c:1908 deactivate_locked_super+0xb0/0x100 fs/super.c:335 deactivate_super+0xa5/0xd0 fs/super.c:366 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125 task_work_run+0x147/0x1b0 kernel/task_work.c:154 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0xc3/0xe0 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x24/0x40 kernel/entry/common.c:266 do_syscall_64+0x3d/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1f324f84c7 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:00007fff4e071558 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f1f324f84c7 RDX: 00007fff4e07162b RSI: 000000000000000a RDI: 00007fff4e071620 RBP: 00007fff4e071620 R08: 00000000ffffffff R09: 00007fff4e0713f0 R10: 0000555556317ba3 R11: 0000000000000246 R12: 00007f1f325501ea R13: 00007fff4e0726e0 R14: 0000555556317b00 R15: 00007fff4e072720 ---[ end trace 08ad99d820f3d174 ]--- VFS: Busy inodes after unmount of incremental-fs. Self-destruct in 5 seconds. Have a nice day...