From: Karel Zak <kzak@redhat.com>
Date: Wed, 25 Jan 2023 12:37:05 +0000 (+0100)
Subject: libblkid: align nilfs superblock [OSS-Fuzz 55382]
X-Git-Tag: v2.39-rc1~111
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=5854e9b571289fa3a1b8a72b8f6bb470ea697f4f;p=thirdparty%2Futil-linux.git

libblkid: align nilfs superblock [OSS-Fuzz 55382]

Addresses: https://github.com/util-linux/util-linux/issues/2043
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/libblkid/src/superblocks/nilfs.c b/libblkid/src/superblocks/nilfs.c
index ca7574a522..0226da5ab4 100644
--- a/libblkid/src/superblocks/nilfs.c
+++ b/libblkid/src/superblocks/nilfs.c
@@ -61,7 +61,7 @@ struct nilfs_super_block {
 	uint32_t	s_c_interval;
 	uint32_t	s_c_block_max;
 	uint32_t	s_reserved[192];
-};
+} __attribute__((__packed__));
 
 #define NILFS_SB_MAGIC		0x3434
 #define NILFS_SB_OFFSET		0x400