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commit    4a75c7f9f1120db240b4ddccaa7d46f82bb495c0
Author:   Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date:     Wed Oct 20 19:20:33 2010 +0000
First released in: 9.1.0, 8.1.23, 8.2.19, 8.3.13, 8.4.6, 9.0.2

    If pk is NULL, the backend would segfault when accessing ->algo and the
    following NULL check was never reached.
    
    This problem was found by Coccinelle (null_ref.cocci from coccicheck).
    
    Marti Raudsepp


 contrib/pgcrypto/pgp-pubenc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/contrib/pgcrypto/pgp-pubenc.c b/contrib/pgcrypto/pgp-pubenc.c
index 0e9ebb42858..9b44fbfc692 100644
--- a/contrib/pgcrypto/pgp-pubenc.c
+++ b/contrib/pgcrypto/pgp-pubenc.c
@@ -199,7 +199,7 @@ pgp_write_pubenc_sesskey(PGP_Context *ctx, PushFilter *dst)
 	PGP_PubKey *pk = ctx->pub_key;
 	uint8		ver = 3;
 	PushFilter *pkt = NULL;
-	uint8		algo = pk->algo;
+	uint8		algo;
 
 	if (pk == NULL)
 	{
@@ -207,6 +207,8 @@ pgp_write_pubenc_sesskey(PGP_Context *ctx, PushFilter *dst)
 		return PXE_BUG;
 	}
 
+	algo = pk->algo;
+
 	/*
 	 * now write packet
 	 */


[parent: d4346e15b477]