Date: Mon, 29 Nov 2021 17:56:51 GMT From: Neel Chauhan <nc@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 5c50e93e6ce4 - stable/13 - ext2fs: check for eh_depth in ext4_ext_check_header() Message-ID: <202111291756.1ATHupaV040840@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch stable/13 has been updated by nc (ports committer): URL: https://cgit.FreeBSD.org/src/commit/?id=5c50e93e6ce43e8558e043de0745bad889c3a77f commit 5c50e93e6ce43e8558e043de0745bad889c3a77f Author: Neel Chauhan <nc@FreeBSD.org> AuthorDate: 2021-11-17 00:25:04 +0000 Commit: Neel Chauhan <nc@FreeBSD.org> CommitDate: 2021-11-29 17:56:42 +0000 ext2fs: check for eh_depth in ext4_ext_check_header() PR: 259112 Reported by: Robert Morris <rtm@lcs.mit.edu> Reviewed by: fsu (src) Differential Revision: https://reviews.freebsd.org/D33030 (cherry picked from commit be60d8f276fa20fc11ad814e54c9c2540f79c7da) --- sys/fs/ext2fs/ext2_extents.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/fs/ext2fs/ext2_extents.c b/sys/fs/ext2fs/ext2_extents.c index 1a5dca66dd76..b33ff9fa8a1a 100644 --- a/sys/fs/ext2fs/ext2_extents.c +++ b/sys/fs/ext2fs/ext2_extents.c @@ -251,6 +251,10 @@ ext4_ext_check_header(struct inode *ip, struct ext4_extent_header *eh) error_msg = "header: invalid eh_entries"; goto corrupted; } + if (eh->eh_depth > 5) { + error_msg = "header: invalid eh_depth"; + goto corrupted; + } return (0);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202111291756.1ATHupaV040840>