[PATCH] e2fsck: Make sure quota files are not referenced from dirs
flat view
STALE1881d
From: Jan Kara <jack@suse.cz>
Date: 2021-08-12 13:32:23
Subsystem:
the rest · Maintainer:
Linus Torvalds
Quota files must not be referenced from directory entries. Otherwise they can get corrupted under the hands of the kernel. Signed-off-by: Jan Kara <jack@suse.cz> --- e2fsck/pass2.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/e2fsck/pass2.c b/e2fsck/pass2.c
index bd974c551b74..cb80d33311bc 100644
--- a/e2fsck/pass2.c
+++ b/e2fsck/pass2.c@@ -1441,7 +1441,10 @@ skip_checksum: name_len = ext2fs_dirent_name_len(dirent); if (((dirent->inode != EXT2_ROOT_INO) && (dirent->inode < EXT2_FIRST_INODE(fs->super))) || - (dirent->inode > fs->super->s_inodes_count)) { + (dirent->inode > fs->super->s_inodes_count) || + (dirent->inode == fs->super->s_usr_quota_inum) || + (dirent->inode == fs->super->s_grp_quota_inum) || + (dirent->inode == fs->super->s_prj_quota_inum)) { problem = PR_2_BAD_INO; } else if (ctx->inode_bb_map && (ext2fs_test_inode_bitmap2(ctx->inode_bb_map,
--
2.26.2