diff options
| author | Rostislav Skudnov | 2016-08-11 20:24:00 +0200 |
|---|---|---|
| committer | Karel Zak | 2016-08-16 12:08:46 +0200 |
| commit | 9d89a95e889f69aebf78f6d5ae38920026a8a94f (patch) | |
| tree | 2c642466abd0277f871271b8afa894f8c55a6ad7 /libblkid/src/superblocks | |
| parent | lsns: missing ns/<name> is not error (diff) | |
| download | kernel-qcow2-util-linux-9d89a95e889f69aebf78f6d5ae38920026a8a94f.tar.gz kernel-qcow2-util-linux-9d89a95e889f69aebf78f6d5ae38920026a8a94f.tar.xz kernel-qcow2-util-linux-9d89a95e889f69aebf78f6d5ae38920026a8a94f.zip | |
libblkid: Check that cluster size is nonzero when probing exFAT
This should prevent division by zero in find_label()
Signed-off-by: Rostislav Skudnov <rostislav@tuxera.com>
Diffstat (limited to 'libblkid/src/superblocks')
| -rw-r--r-- | libblkid/src/superblocks/exfat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libblkid/src/superblocks/exfat.c b/libblkid/src/superblocks/exfat.c index 3f1e75c13..01ed30b78 100644 --- a/libblkid/src/superblocks/exfat.c +++ b/libblkid/src/superblocks/exfat.c @@ -114,7 +114,7 @@ static int probe_exfat(blkid_probe pr, const struct blkid_idmag *mag) struct exfat_entry_label *label; sb = blkid_probe_get_sb(pr, mag, struct exfat_super_block); - if (!sb) + if (!sb || !CLUSTER_SIZE(sb)) return errno ? -errno : BLKID_PROBE_NONE; label = find_label(pr, sb); |