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evp: fix coverity 1473381 - dereference after null check
author
Pauli
<ppzgs1@gmail.com>
Wed, 17 Mar 2021 03:35:59 +0000
(13:35 +1000)
committer
Pauli
<ppzgs1@gmail.com>
Sat, 20 Mar 2021 00:18:32 +0000
(10:18 +1000)
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14589)
crypto/evp/ctrl_params_translate.c
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diff --git
a/crypto/evp/ctrl_params_translate.c
b/crypto/evp/ctrl_params_translate.c
index 32af4eedd3651ac2aef0b32562a3e051324cce61..808804ab3a959d06ed0f474a401c759619283ac1 100644
(file)
--- a/
crypto/evp/ctrl_params_translate.c
+++ b/
crypto/evp/ctrl_params_translate.c
@@
-1512,8
+1512,14
@@
static int get_payload_group_name(enum state state,
return 0;
}
- if (ctx->p2 != NULL)
- ctx->p1 = strlen(ctx->p2);
+ /*
+ * Quietly ignoring unknown groups matches the behaviour on the provider
+ * side.
+ */
+ if (ctx->p2 == NULL)
+ return 1;
+
+ ctx->p1 = strlen(ctx->p2);
return default_fixup_args(state, translation, ctx);
}