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<p class="MsoNormal">Something else is going wrong. Is that the only valgrind error? Are you sure you didn’t free the object in your code?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">Raghavendra a <raghuasit@gmail.com><br>
<b>Date: </b>Friday, May 11, 2018 at 6:22 AM<br>
<b>To: </b>Rich Salz <rsalz@akamai.com>, openssl-users <openssl-users@openssl.org><br>
<b>Subject: </b>Re: [openssl-users] freeing of X509_CRL object<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><a name="_MailOriginalBody">Hi Rich,<o:p></o:p></a></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailOriginalBody">Thanks for information.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="mso-bookmark:_MailOriginalBody">Any idea, why
<b>is X509_CRL_free</b> reporting below error with valgrind?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailOriginalBody"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="mso-bookmark:_MailOriginalBody"><b>Valgrind output:<br>
==31919== Invalid read of size 4<br>
==31919== at 0xB475EF2: CRYPTO_atomic_add (threads_pthread.c:155)<br>
==31919== by 0xB355537: asn1_do_lock (tasn_utl.c:79)<br>
==31919== by 0xB352767: asn1_item_embed_free (tasn_fre.c:88)<br>
==31919== by 0xB3528D4: ASN1_item_free (tasn_fre.c:20)<br>
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</b></span><span style="mso-bookmark:_MailOriginalBody"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailOriginalBody"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailOriginalBody">Regards,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailOriginalBody">Raghavendra<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailOriginalBody"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="mso-bookmark:_MailOriginalBody">On Fri, May 11, 2018 at 3:40 PM, Salz, Rich via openssl-users <</span><a href="mailto:openssl-users@openssl.org" target="_blank"><span style="mso-bookmark:_MailOriginalBody">openssl-users@openssl.org</span><span style="mso-bookmark:_MailOriginalBody"></span></a><span style="mso-bookmark:_MailOriginalBody">>
wrote:<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody">The print routine does not free anything.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody"><b><span style="font-size:12.0pt;color:black">From:
</span></b></span><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:12.0pt;color:black">Raghavendra a <</span></span><a href="mailto:raghuasit@gmail.com" target="_blank"><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:12.0pt">raghuasit@gmail.com</span></span><span style="mso-bookmark:_MailOriginalBody"></span></a><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:12.0pt;color:black">><br>
<b>Reply-To: </b>openssl-users <</span></span><a href="mailto:openssl-users@openssl.org" target="_blank"><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:12.0pt">openssl-users@openssl.org</span></span><span style="mso-bookmark:_MailOriginalBody"></span></a><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:12.0pt;color:black">><br>
<b>Date: </b>Friday, May 11, 2018 at 5:53 AM<br>
<b>To: </b>openssl-users <</span></span><a href="mailto:openssl-users@openssl.org" target="_blank"><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:12.0pt">openssl-users@openssl.org</span></span><span style="mso-bookmark:_MailOriginalBody"></span></a><span style="mso-bookmark:_MailOriginalBody"><span style="font-size:12.0pt;color:black">><br>
<b>Subject: </b>[openssl-users] freeing of X509_CRL object</span><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span style="mso-bookmark:_MailOriginalBody"><a name="m_5607490293206293511__MailOriginalBody">Hi All,</a><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody">In my program,
<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span style="mso-bookmark:_MailOriginalBody">converting X509_CRL object to string format using
<b>X509_CRL_print</b> and BIO_get_mem_data.<b> </b>after that if de-allocate<b> _x509crl </b> using
<b>X509_CRL_free. </b>it is crashing with below reason<b>.</b><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span style="mso-bookmark:_MailOriginalBody"><b>Valgrind output:<br>
==31919== Invalid read of size 4<br>
==31919== at 0xB475EF2: CRYPTO_atomic_add (threads_pthread.c:155)<br>
==31919== by 0xB355537: asn1_do_lock (tasn_utl.c:79)<br>
==31919== by 0xB352767: asn1_item_embed_free (tasn_fre.c:88)<br>
==31919== by 0xB3528D4: ASN1_item_free (tasn_fre.c:20)</b><o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody">not sure if
<b>X509_CRL_print </b>de-allocates some part<b> </b>of _x509crl ,<b> </b> external freeing of X509_CRL again leading to double free?<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><span style="mso-bookmark:_MailOriginalBody">Please help on this issue.<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody">Regards,<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody">Raghavendra<o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="mso-bookmark:_MailOriginalBody"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="mso-bookmark:_MailOriginalBody"><br>
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<p class="MsoNormal"><span style="mso-bookmark:_MailOriginalBody"><o:p> </o:p></span></p>
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