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<a href="https://gitlab.com/jphppd" style="color: #1068bf;">jphppd</a>
<a href="https://gitlab.com/gnutls/gnutls/-/issues/758#note_1042015608" style="color: #1068bf;">commented</a>:
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<p dir="auto" style="color: #303030; margin: 0 0 16px;" align="initial">I had a similar issue with a Yocto-based distribution (version dunfell, gnutls 3.6.14) on an arm i.MX6 target.
Apparently, the following modification</p>
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<pre class="code highlight js-syntax-highlight language-diff" lang="diff" v-pre="true" style='display: block; font-size: 13px; color: #303030; line-height: 1.6em; overflow-x: auto; border-radius: 2px; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; margin: 0 0 16px; padding: 12px; border: 1px solid #dbdbdb;'><code style='font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: 4px; white-space: pre; margin-top: 0; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; overflow-wrap: normal; padding: unset;'><span id="LC1" class="line" lang="diff" style="margin-top: 0;"> static int gnutls_system_mutex_init(void **priv)</span>
<span id="LC2" class="line" lang="diff"> {</span>
<span id="LC3" class="line" lang="diff"><span class="gd" style="margin-top: 0;">- pthread_mutex_t *lock = malloc(sizeof(pthread_mutex_t));</span></span>
<span id="LC4" class="line" lang="diff"><span class="gi" style="margin-top: 0;">+ pthread_mutex_t *lock = calloc(1, sizeof(pthread_mutex_t));</span></span>
<span id="LC5" class="line" lang="diff"> int ret;</span></code></pre>
<copy-code></copy-code>
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<p dir="auto" style="color: #303030; margin: 0;" align="initial">in <a href="https://gitlab.com/gnutls/gnutls/-/blob/3.6.14/lib/system/threads.c#L92" style="color: #1068bf; margin-top: 0;">threads.c</a> fixes the issue (at least, in my use-case). The reason is not completely clear though, the following call to <code style='font-size: 90%; color: #1f1f1f; word-wrap: break-word; background-color: #f0f0f0; border-radius: 4px; font-weight: inherit; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; white-space: pre-wrap; overflow-wrap: break-word; word-break: keep-all; padding: 2px 4px;'>pthread_mutex_init</code> should init the mutex properly.</p>
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