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-rw-r--r--fs/squashfs/zlib_wrapper.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/squashfs/zlib_wrapper.c b/fs/squashfs/zlib_wrapper.c
index 1f4833b87ea..ab5801f66e2 100644
--- a/fs/squashfs/zlib_wrapper.c
+++ b/fs/squashfs/zlib_wrapper.c
@@ -127,6 +127,11 @@ static int zlib_uncompress(struct squashfs_sb_info *msblk, void **buffer,
goto release_mutex;
}
+ if (k < b) {
+ ERROR("zlib_uncompress error, data remaining\n");
+ goto release_mutex;
+ }
+
length = stream->total_out;
mutex_unlock(&msblk->read_data_mutex);
return length;