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path: root/fs/sysv/super.c
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Diffstat (limited to 'fs/sysv/super.c')
-rw-r--r--fs/sysv/super.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index 2da3075aff78..5c0aab0b7e18 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -469,7 +469,7 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent)
v7sb = (struct v7_super_block *) bh->b_data;
if (fs16_to_cpu(sbi, v7sb->s_nfree) > V7_NICFREE ||
fs16_to_cpu(sbi, v7sb->s_ninode) > V7_NICINOD ||
- fs32_to_cpu(sbi, v7sb->s_time) == 0)
+ fs32_to_cpu(sbi, v7sb->s_fsize) > V7_MAXSIZE)
goto failed;
/* plausibility check on root inode: it is a directory,
@@ -479,7 +479,9 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent)
v7i = (struct sysv_inode *)(bh2->b_data + 64);
if ((fs16_to_cpu(sbi, v7i->i_mode) & ~0777) != S_IFDIR ||
(fs32_to_cpu(sbi, v7i->i_size) == 0) ||
- (fs32_to_cpu(sbi, v7i->i_size) & 017) != 0)
+ (fs32_to_cpu(sbi, v7i->i_size) & 017) ||
+ (fs32_to_cpu(sbi, v7i->i_size) > V7_NFILES *
+ sizeof (struct sysv_dir_entry)))
goto failed;
brelse(bh2);
bh2 = NULL;