[Bug 271354] reachable directory with zero link count can cause fsck to deref NULL

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271354

--- Comment #1 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=03a8680202ef7d7e68adc70625633c490b4ed637

commit 03a8680202ef7d7e68adc70625633c490b4ed637
Author:     Kirk McKusick <mckusick@FreeBSD.org>
AuthorDate: 2023-05-27 05:41:57 +0000
Commit:     Kirk McKusick <mckusick@FreeBSD.org>
CommitDate: 2023-05-27 05:43:21 +0000

    Correct two bugs in fsck_ffs(8) triggered by corrupted filesystems.

    Always create a directory inode structure when a directory inode is
    found in Pass 1 as it is not known whether it will be saved or removed
    in later passes. If it is to be saved the directory inode structure
    is needed to track its status and fsck_ffs(8) will segment fault if
    it does not exist.

    Reported-by:  Robert Morris
    PR:           271310
    PR:           271354
    MFC-after:    1 week
    Sponsored-by: The FreeBSD Foundation

 sbin/fsck_ffs/pass1.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

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