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authorLinus Torvalds <torvalds@linux-foundation.org>2018-12-27 17:00:35 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-27 17:00:35 -0800
commite01799ac56306ab211f2edf1221a82dc57eab8f5 (patch)
tree2a5fd6e8885d397fdf7fbfa817bd13b6c5d8a9e9 /fs/udf
parent4b0a383ad782d6028becea7602968d49a83ff5fc (diff)
parent41c4f85cdac280d356df1f483000ecec4a8868be (diff)
Merge tag 'fs_for_4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, udf, and quota update from Jan Kara: "Some ext2 cleanups, a fix for UDF crash on corrupted media, and one quota locking fix" * tag 'fs_for_4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: quota: Lock s_umount in exclusive mode for Q_XQUOTA{ON,OFF} quotactls. udf: Fix BUG on corrupted inode ext2: change reusable parameter to true when calling mb_cache_entry_create() ext2: remove redundant condition check ext2: avoid unnecessary operation in ext2_error()
Diffstat (limited to 'fs/udf')
-rw-r--r--fs/udf/inode.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 5df554a9f9c9..ae796e10f68b 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1357,6 +1357,12 @@ reread:
iinfo->i_alloc_type = le16_to_cpu(fe->icbTag.flags) &
ICBTAG_FLAG_AD_MASK;
+ if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_SHORT &&
+ iinfo->i_alloc_type != ICBTAG_FLAG_AD_LONG &&
+ iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
+ ret = -EIO;
+ goto out;
+ }
iinfo->i_unique = 0;
iinfo->i_lenEAttr = 0;
iinfo->i_lenExtents = 0;