4.19-stable review patch. If anyone has any objections, please let me know.
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From: Aleksandr Mishin amishin@t-argos.ru
[ Upstream commit 2b3460cbf454c6b03d7429e9ffc4fe09322eb1a9 ]
In spu2_dump_omd() value of ptr is increased by ciph_key_len instead of hash_iv_len which could lead to going beyond the buffer boundaries. Fix this bug by changing ciph_key_len to hash_iv_len.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 9d12ba86f818 ("crypto: brcm - Add Broadcom SPU driver") Signed-off-by: Aleksandr Mishin amishin@t-argos.ru Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/crypto/bcm/spu2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/crypto/bcm/spu2.c b/drivers/crypto/bcm/spu2.c index bf7ac621c591d..0f6023347cc89 100644 --- a/drivers/crypto/bcm/spu2.c +++ b/drivers/crypto/bcm/spu2.c @@ -506,7 +506,7 @@ static void spu2_dump_omd(u8 *omd, u16 hash_key_len, u16 ciph_key_len, if (hash_iv_len) { packet_log(" Hash IV Length %u bytes\n", hash_iv_len); packet_dump(" hash IV: ", ptr, hash_iv_len); - ptr += ciph_key_len; + ptr += hash_iv_len; }
if (ciph_iv_len) {