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p could be uninitialized

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This commit is contained in:
Nils Larsch 2006-02-08 18:51:17 +00:00
parent e67ed82877
commit 82e8372f17
1 changed files with 7 additions and 1 deletions
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8
crypto/asn1/tasn_dec.c
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@ -158,7 +158,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
const ASN1_EXTERN_FUNCS *ef; const ASN1_EXTERN_FUNCS *ef;
const ASN1_AUX *aux = it->funcs; const ASN1_AUX *aux = it->funcs;
ASN1_aux_cb *asn1_cb; ASN1_aux_cb *asn1_cb;
const unsigned char *p, *q; const unsigned char *p = NULL, *q;
unsigned char *wp=NULL; /* BIG FAT WARNING! BREAKS CONST WHERE USED */ unsigned char *wp=NULL; /* BIG FAT WARNING! BREAKS CONST WHERE USED */
unsigned char imphack = 0, oclass; unsigned char imphack = 0, oclass;
char seq_eoc, seq_nolen, cst, isopt; char seq_eoc, seq_nolen, cst, isopt;
@ -283,6 +283,12 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
{ {
wp = *(unsigned char **)in; wp = *(unsigned char **)in;
imphack = *wp; imphack = *wp;
if (p == NULL)
{
ASN1err(ASN1_F_ASN1_ITEM_EX_D2I,
ERR_R_NESTED_ASN1_ERROR);
goto err;
}
*wp = (unsigned char)((*p & V_ASN1_CONSTRUCTED) *wp = (unsigned char)((*p & V_ASN1_CONSTRUCTED)
| it->utype); | it->utype);
} }