BUG: Dentry ffff88811a146bb0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 378 Comm: syz-executor682 Not tainted 5.10.99-syzkaller-00837-gca562bf79c65 #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 40 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 de ab 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:ffffc9000097fc88 EFLAGS: 00010286 RAX: 000000000000005a RBX: ffffffff8660f860 RCX: f8a67278db25fa00 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: ffffc9000097fcb8 R08: ffffffff815454a8 R09: ffffed103ee0a5d8 R10: ffffed103ee0a5d8 R11: 0000000000000000 R12: ffff88811a146bb0 R13: dffffc0000000000 R14: ffff8881063a03f8 R15: 0000000000000001 FS: 000055555619b300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffde8efbea8 CR3: 00000001077a8000 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 kill_anon_super fs/super.c:1108 [inline] kill_litter_super+0x75/0xa0 fs/super.c:1117 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: 0033:0x7f53722630f7 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 RSP: 002b:00007ffde8efc5e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f53722630f7 RDX: 00007ffde8efc6a7 RSI: 000000000000000a RDI: 00007ffde8efc6a0 RBP: 00007ffde8efc6a0 R08: 00000000ffffffff R09: 00007ffde8efc480 R10: 000055555619c683 R11: 0000000000000206 R12: 00007ffde8efd710 R13: 000055555619c5f0 R14: 00007ffde8efc610 R15: 0000000000000001 ---[ end trace ff508277f1a25db4 ]--- BUG: Dentry ffff88811a146330{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 378 Comm: syz-executor682 Tainted: G W 5.10.99-syzkaller-00837-gca562bf79c65 #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 40 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 de ab 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:ffffc9000097fc88 EFLAGS: 00010286 RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: f8a67278db25fa00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000097fcb8 R08: ffffffff815454a8 R09: fffff5200012febd R10: fffff5200012febd R11: 0000000000000000 R12: ffff88811a146330 R13: dffffc0000000000 R14: ffff8881063a03f8 R15: 0000000000000001 FS: 000055555619b300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffde8efbea8 CR3: 00000001077a8000 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 kill_anon_super fs/super.c:1108 [inline] kill_litter_super+0x75/0xa0 fs/super.c:1117 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: 0033:0x7f53722630f7 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 RSP: 002b:00007ffde8efc5e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f53722630f7 RDX: 00007ffde8efc6a7 RSI: 000000000000000a RDI: 00007ffde8efc6a0 RBP: 00007ffde8efc6a0 R08: 00000000ffffffff R09: 00007ffde8efc480 R10: 000055555619c683 R11: 0000000000000206 R12: 00007ffde8efd710 R13: 000055555619c5f0 R14: 00007ffde8efc610 R15: 0000000000000001 ---[ end trace ff508277f1a25db5 ]--- BUG: Dentry ffff88811a146bb0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 378 Comm: syz-executor682 Tainted: G W 5.10.99-syzkaller-00837-gca562bf79c65 #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 40 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 de ab 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:ffffc9000097fc88 EFLAGS: 00010286 RAX: 000000000000005a RBX: ffffffff8660f860 RCX: f8a67278db25fa00 RDX: 0000000000000000 RSI: 0000000080000003 RDI: 0000000000000000 RBP: ffffc9000097fcb8 R08: ffffffff815454a8 R09: 0000000000000003 R10: fffff5200012fee5 R11: 0000000000000004 R12: ffff88811a146bb0 R13: dffffc0000000000 R14: ffff8881063a03f8 R15: 0000000000000001 FS: 000055555619b300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffde8efbea8 CR3: 00000001077a8000 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 kill_anon_super fs/super.c:1108 [inline] kill_litter_super+0x75/0xa0 fs/super.c:1117 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: 0033:0x7f53722630f7 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 RSP: 002b:00007ffde8efc5e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f53722630f7 RDX: 00007ffde8efc6a7 RSI: 000000000000000a RDI: 00007ffde8efc6a0 RBP: 00007ffde8efc6a0 R08: 00000000ffffffff R09: 00007ffde8efc480 R10: 000055555619c683 R11: 0000000000000206 R12: 00007ffde8efd710 R13: 000055555619c5f0 R14: 00007ffde8efc610 R15: 0000000000000001 ---[ end trace ff508277f1a25db7 ]--- BUG: Dentry ffff88811a146330{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 378 Comm: syz-executor682 Tainted: G W 5.10.99-syzkaller-00837-gca562bf79c65 #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 40 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 de ab 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:ffffc9000097fc88 EFLAGS: 00010286 RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: f8a67278db25fa00 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffffc9000097fcb8 R08: ffffffff815454a8 R09: 0000000000000003 R10: fffff5200012ff35 R11: 0000000000000004 R12: ffff88811a146330 R13: dffffc0000000000 R14: ffff8881063a03f8 R15: 0000000000000001 FS: 000055555619b300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffde8efbea8 CR3: 00000001077a8000 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 kill_anon_super fs/super.c:1108 [inline] kill_litter_super+0x75/0xa0 fs/super.c:1117 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: 0033:0x7f53722630f7 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 RSP: 002b:00007ffde8efc5e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f53722630f7 RDX: 00007ffde8efc6a7 RSI: 000000000000000a RDI: 00007ffde8efc6a0 RBP: 00007ffde8efc6a0 R08: 00000000ffffffff R09: 00007ffde8efc480 R10: 000055555619c683 R11: 0000000000000206 R12: 00007ffde8efd710 R13: 000055555619c5f0 R14: 00007ffde8efc610 R15: 0000000000000001 ---[ end trace ff508277f1a25db9 ]--- VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day... BUG: Dentry ffff88811a174ee0{i=4,n=.incomplete} still in use (1) [unmount of tmpfs tmpfs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 378 Comm: syz-executor682 Tainted: G W 5.10.99-syzkaller-00837-gca562bf79c65 #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 40 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 de ab 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:ffffc9000097fc88 EFLAGS: 00010286 RAX: 000000000000005a RBX: ffffffff8660f860 RCX: f8a67278db25fa00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000097fcb8 R08: ffffffff815454a8 R09: 0000000000000003 R10: fffff5200012fee5 R11: 0000000000000004 R12: ffff88811a174ee0 R13: dffffc0000000000 R14: ffff8881055be3f8 R15: 0000000000000001 FS: 000055555619b300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffde8efbea8 CR3: 00000001077a8000 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 kill_anon_super fs/super.c:1108 [inline] kill_litter_super+0x75/0xa0 fs/super.c:1117 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: 0033:0x7f53722630f7 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 RSP: 002b:00007ffde8efc5e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f53722630f7 RDX: 00007ffde8efc6a7 RSI: 000000000000000a RDI: 00007ffde8efc6a0 RBP: 00007ffde8efc6a0 R08: 00000000ffffffff R09: 00007ffde8efc480 R10: 000055555619c683 R11: 0000000000000206 R12: 00007ffde8efd710 R13: 000055555619c5f0 R14: 00007ffde8efc610 R15: 0000000000000002 ---[ end trace ff508277f1a25dc3 ]--- BUG: Dentry ffff88811a174dd0{i=3,n=.index} still in use (1) [unmount of tmpfs tmpfs] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 378 at fs/dcache.c:1616 umount_check+0x18d/0x1d0 fs/dcache.c:1607 Modules linked in: CPU: 0 PID: 378 Comm: syz-executor682 Tainted: G W 5.10.99-syzkaller-00837-gca562bf79c65 #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 40 4e 2e 85 4c 89 e6 48 8b 55 d0 4c 89 e1 45 89 f8 31 c0 41 56 e8 de ab 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:ffffc9000097fc88 EFLAGS: 00010286 RAX: 0000000000000055 RBX: ffffffff8660f860 RCX: f8a67278db25fa00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc9000097fcb8 R08: ffffffff815454a8 R09: 0000000000000003 R10: fffff5200012fee5 R11: 0000000000000004 R12: ffff88811a174dd0 R13: dffffc0000000000 R14: ffff8881055be3f8 R15: 0000000000000001 FS: 000055555619b300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffde8efbea8 CR3: 00000001077a8000 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 kill_anon_super fs/super.c:1108 [inline] kill_litter_super+0x75/0xa0 fs/super.c:1117 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: 0033:0x7f53722630f7 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 RSP: 002b:00007ffde8efc5e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f53722630f7 RDX: 00007ffde8efc6a7 RSI: 000000000000000a RDI: 00007ffde8efc6a0 RBP: 00007ffde8efc6a0 R08: 00000000ffffffff R09: 00007ffde8efc480 R10: 000055555619c683 R11: 0000000000000206 R12: 00007ffde8efd710 R13: 000055555619c5f0 R14: 00007ffde8efc610 R15: 0000000000000002 ---[ end trace ff508277f1a25dc6 ]--- VFS: Busy inodes after unmount of tmpfs. Self-destruct in 5 seconds. Have a nice day...