[Bug 271383] negative jb_blk in a JOP_FREEBLK ffs journal record can cause fsck to crash

Go to: [ bottom of page ] [ top of archives ] [ this month ]

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 28 May 2023 22:24:44 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271383

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

URL:
https://cgit.FreeBSD.org/src/commit/?id=b796bfce48698449470b751de6b0d96ae7047202

commit b796bfce48698449470b751de6b0d96ae7047202
Author:     Kirk McKusick <mckusick@FreeBSD.org>
AuthorDate: 2023-05-28 22:23:16 +0000
Commit:     Kirk McKusick <mckusick@FreeBSD.org>
CommitDate: 2023-05-28 22:23:37 +0000

    Fix a bug in fsck_ffs(8) triggered by corrupted filesystems.

    Check for valid block numbers while loading journal entries that
    contain block numbers. If an invalid block number is found, fall
    back to full fsck.

    Reported-by:  Robert Morris
    PR:           271383
    MFC-after:    1 week
    Sponsored-by: The FreeBSD Foundation

 sbin/fsck_ffs/suj.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

-- 
You are receiving this mail because:
You are the assignee for the bug.