BUG: Dentry ffff888079ce6a48{i=0,n=.reiserfs_priv} still in use (1) [unmount of minix loop3] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5110 at fs/dcache.c:1676 umount_check+0x18c/0x1d0 fs/dcache.c:1667 Modules linked in: CPU: 1 PID: 5110 Comm: syz-executor.3 Not tainted 6.2.0-rc7-syzkaller-00091-g35674e787518 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:umount_check+0x18c/0x1d0 fs/dcache.c:1676 Code: c7 e9 ff 4c 8b 0b 48 81 c5 a8 06 00 00 48 c7 c7 80 e1 f6 8a 4c 89 fe 4c 89 f2 4c 89 f9 45 89 e8 55 e8 e8 dd ac 08 48 83 c4 08 <0f> 0b e9 f5 fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c cc fe ff RSP: 0018:ffffc9000443fbe0 EFLAGS: 00010292 RAX: 000000000000005d RBX: ffffffff8d0f9c80 RCX: 67a403922493e600 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffff888042e486a8 R08: ffffffff816ef9ec R09: fffff52000887f35 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000001 R14: 0000000000000000 R15: ffff888079ce6a48 FS: 0000555555645400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c018443000 CR3: 000000004a3cd000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: d_walk+0x1e8/0x650 fs/dcache.c:1386 do_one_tree+0x35/0xe0 fs/dcache.c:1683 shrink_dcache_for_umount+0x7d/0x120 fs/dcache.c:1699 generic_shutdown_super+0x67/0x310 fs/super.c:473 kill_block_super+0x7e/0xe0 fs/super.c:1386 deactivate_locked_super+0xa4/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1291 task_work_run+0x24a/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x2e0 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f600928d567 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:00007ffef8e98638 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f600928d567 RDX: 00007ffef8e9870b RSI: 000000000000000a RDI: 00007ffef8e98700 RBP: 00007ffef8e98700 R08: 00000000ffffffff R09: 00007ffef8e984d0 R10: 00005555556468b3 R11: 0000000000000246 R12: 00007f60092e6b24 R13: 00007ffef8e997c0 R14: 0000555555646810 R15: 00007ffef8e99800