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-rw-r--r--lib/crypto/chacha20poly1305.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/crypto/chacha20poly1305.c b/lib/crypto/chacha20poly1305.c
index 6d83cafebc69..ad0699ce702f 100644
--- a/lib/crypto/chacha20poly1305.c
+++ b/lib/crypto/chacha20poly1305.c
@@ -235,6 +235,9 @@ bool chacha20poly1305_crypt_sg_inplace(struct scatterlist *src,
__le64 lens[2];
} b __aligned(16);
+ if (WARN_ON(src_len > INT_MAX))
+ return false;
+
chacha_load_key(b.k, key);
b.iv[0] = 0;