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authormame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2019-04-10 08:03:47 +0000
committermame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2019-04-10 08:03:47 +0000
commit83fc324d1dfb2bec7d683509e25e3cc17dbecf18 (patch)
tree33815d2e1045fe3862f9dbcecac309eb2915cf09 /ext
parent91db3b6c6b0daff732c0bacfcc4db397f1df4a42 (diff)
ext/openssl/ossl_bn.c (ossl_bn_initialize): get rid of SEGV
OpenSSL::BN.new(nil, 2) dumped core. [ruby-core:92231] [Bug #15760] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67497 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
-rw-r--r--ext/openssl/ossl_bn.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/ext/openssl/ossl_bn.c b/ext/openssl/ossl_bn.c
index 4666ce6c2f..36b159fe69 100644
--- a/ext/openssl/ossl_bn.c
+++ b/ext/openssl/ossl_bn.c
@@ -187,6 +187,7 @@ ossl_bn_initialize(int argc, VALUE *argv, VALUE self)
BIGNUM *bn;
VALUE str, bs;
int base = 10;
+ char *ptr;
if (rb_scan_args(argc, argv, "11", &str, &bs) == 2) {
base = NUM2INT(bs);
@@ -213,12 +214,14 @@ ossl_bn_initialize(int argc, VALUE *argv, VALUE self)
GetBN(self, bn);
switch (base) {
case 0:
- if (!BN_mpi2bn((unsigned char *)StringValuePtr(str), RSTRING_LENINT(str), bn)) {
+ ptr = StringValuePtr(str);
+ if (!BN_mpi2bn((unsigned char *)ptr, RSTRING_LENINT(str), bn)) {
ossl_raise(eBNError, NULL);
}
break;
case 2:
- if (!BN_bin2bn((unsigned char *)StringValuePtr(str), RSTRING_LENINT(str), bn)) {
+ ptr = StringValuePtr(str);
+ if (!BN_bin2bn((unsigned char *)ptr, RSTRING_LENINT(str), bn)) {
ossl_raise(eBNError, NULL);
}
break;