generic-library/openssl
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Can't check a size_t for < 0.

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This commit is contained in:
Ben Laurie 2013-01-19 15:00:27 +00:00
parent a6bbbf2ff5
commit 517dd307f9
1 changed files with 3 additions and 1 deletions
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4
ssl/t1_lib.c
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@ -1393,7 +1393,9 @@ unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned cha
const unsigned short ext_len = 2; const unsigned short ext_len = 2;
const unsigned char list_len = 1; const unsigned char list_len = 1;
if ((lenmax = limit - ret - 6) < 0) return NULL; if (limit < ret + 6)
return NULL;
lenmax = limit - ret - 6;
s2n(TLSEXT_TYPE_server_authz, ret); s2n(TLSEXT_TYPE_server_authz, ret);
/* Extension length: 2 bytes */ /* Extension length: 2 bytes */