[Bug 271351] fsck_ffs can crash if fs_size < fs_ncg*fs_fpg
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Date: Sat, 27 May 2023 19:24:51 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271351
--- Comment #1 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:
URL:
https://cgit.FreeBSD.org/src/commit/?id=c79a1416955a260424a5dd2013b114ff864bc926
commit c79a1416955a260424a5dd2013b114ff864bc926
Author: Kirk McKusick <mckusick@FreeBSD.org>
AuthorDate: 2023-05-27 19:23:39 +0000
Commit: Kirk McKusick <mckusick@FreeBSD.org>
CommitDate: 2023-05-27 19:24:11 +0000
Updates to UFS/FFS superblock integrity checks when reading a superblock.
Verify that the summary information does not extend past the end
of the filesystem.
No legitimate superblocks should fail as a result of these changes.
Reported-by: Robert Morris
PR: 271351
MFC-after: 1 week
Sponsored-by: The FreeBSD Foundation
sys/ufs/ffs/ffs_subr.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
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