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-rw-r--r--crypto/shash.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 7a659733f94a..2ccc8b0076ce 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -77,6 +77,9 @@ static int shash_update_unaligned(struct shash_desc *desc, const u8 *data,
u8 buf[shash_align_buffer_size(unaligned_len, alignmask)]
__attribute__ ((aligned));
+ if (unaligned_len > len)
+ unaligned_len = len;
+
memcpy(buf, data, unaligned_len);
return shash->update(desc, buf, unaligned_len) ?: