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| author | Shane Lontis <shane.lontis@oracle.com> | 2021-04-12 13:58:14 +1000 |
|---|---|---|
| committer | Shane Lontis <shane.lontis@oracle.com> | 2021-04-16 12:10:08 +1000 |
| commit | 42e7d2f10e3658c0c248df8a6edf3c48c477e4b0 (patch) | |
| tree | 1122340c23e67327e2673fd516c5be2dc666e228 /crypto/asn1/a_dup.c | |
| parent | 34ed73339602c361d09fe4233d65cef996356239 (diff) | |
| download | openssl-42e7d2f10e3658c0c248df8a6edf3c48c477e4b0.zip openssl-42e7d2f10e3658c0c248df8a6edf3c48c477e4b0.tar.gz openssl-42e7d2f10e3658c0c248df8a6edf3c48c477e4b0.tar.bz2 | |
Add more negative checks for integers passed to OPENSSL_malloc().
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14830)
Diffstat (limited to 'crypto/asn1/a_dup.c')
| -rw-r--r-- | crypto/asn1/a_dup.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/crypto/asn1/a_dup.c b/crypto/asn1/a_dup.c index bdefa44..263c8a0 100644 --- a/crypto/asn1/a_dup.c +++ b/crypto/asn1/a_dup.c @@ -24,6 +24,9 @@ void *ASN1_dup(i2d_of_void *i2d, d2i_of_void *d2i, const void *x) return NULL; i = i2d(x, NULL); + if (i <= 0) + return NULL; + b = OPENSSL_malloc(i + 10); if (b == NULL) { ERR_raise(ERR_LIB_ASN1, ERR_R_MALLOC_FAILURE); |