[Bug 255030] fsck -p dumps core on gjournaled FS

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 21 May 2021 20:39:43 UTC

--- Comment #3 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:


commit f190f9193bc10a8193c87e0a02fa91400e4eb159
Author:     Kirk McKusick <mckusick@FreeBSD.org>
AuthorDate: 2021-05-21 20:41:40 +0000
Commit:     Kirk McKusick <mckusick@FreeBSD.org>
CommitDate: 2021-05-21 20:42:37 +0000

    Fix fsck_ufs segfaults with gjournal (SU+J)

    The segfault was being hit in ckfini() (sbin/fsck_ffs/fsutil.c)
    while attempting to traverse the buffer cache to flush dirty buffers.
    The tail queue used for the buffer cache was not initialized before
    dropping into gjournal_check(). Move the buffer initialization earlier
    so that it has been done before calling gjournal_check().

    Reported by:  crypt47, nvass
    Fix by:       Robert Wing
    Tested by:    Robert Wing
    PR:           255030
    PR:           255979
    MFC after:    3 days
    Sponsored by: Netflix

 sbin/fsck_ffs/main.c  | 1 +
 sbin/fsck_ffs/setup.c | 1 -
 2 files changed, 1 insertion(+), 1 deletion(-)

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