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<a href="https://gitlab.com/chengwangwang">wang cheng</a>
<a href="https://gitlab.com/gnutls/gnutls/-/issues/1485#note_1422909155">commented</a>:
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<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">I'm sorry I didn't describe the problem clearly.</p>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial"><code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "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;'>_gnutls_fips_mode_reset_zombie</code> is called in <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "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;'>_gnutls_global_init</code>.</p>
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<pre class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" v-pre="true" style='display: block; font-size: 14px; color: #333238; line-height: 1.6em; overflow-x: auto; border-radius: 4px; position: relative; font-family: var(--default-mono-font, "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: #fbfafd; margin: 0 0 16px; padding: 12px; border: 1px solid #dcdcde;'><code style='font-size: 0.875rem; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: 4px; white-space: pre; margin-top: 0; font-family: var(--default-mono-font, "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="plaintext" style="margin-top: 0;">/* This _fips_mode == 2 is a strange mode where checks are being</span>
<span id="LC2" class="line" lang="plaintext"> * performed, but its output is ignored. */</span>
<span id="LC3" class="line" lang="plaintext">void _gnutls_fips_mode_reset_zombie(void)</span>
<span id="LC4" class="line" lang="plaintext">{</span>
<span id="LC5" class="line" lang="plaintext"> if (_global_fips_mode == GNUTLS_FIPS140_SELFTESTS) {</span>
<span id="LC6" class="line" lang="plaintext"> _global_fips_mode = GNUTLS_FIPS140_DISABLED;</span>
<span id="LC7" class="line" lang="plaintext"> }</span>
<span id="LC8" class="line" lang="plaintext">}</span></code></pre>
<copy-code></copy-code>
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<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">In the above, <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "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;'>_global_fips_mode</code> is set to <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "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;'>GNUTLS_FIPS140_DISABLED</code>. There is a state transition here. This is the reason for description:</p>
<blockquote dir="auto" style="font-size: inherit; color: #535158; padding-top: 0.5rem; padding-bottom: 0.5rem; padding-left: 1.5rem; box-shadow: inset 4px 0 0 0 #dcdcde; border-top-width: 0; border-bottom-width: 0; border-right-width: 0; margin: 0.5rem 0;" align="initial">
<p style="color: inherit; line-height: 1.5; margin: 0;">A transient state during library initialization. <strong style="font-weight: bold; margin-top: 0;">That state cannot be set or seen by applications</strong>.</p>
</blockquote>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">After initialization, applications can get the fips state(<code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "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;'>GNUTLS_FIPS140_DISABLED</code>) from <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "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;'>gnutls_fips140_mode_enabled</code> api.</p>
<p dir="auto" style="color: #333238; margin: 0 0 16px;" align="initial">But guntls has already called <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "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;'>_gnutls_priority_update_fips</code> when <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "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;'>/etc/system-fips</code> has been generated, making certain algorithm suites unusable. Therefore, the <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "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;'>GNUTLS_FIPS140_DISABLED</code> fips state is different from the actual initialization operation.</p>
<p dir="auto" style="color: #333238; margin: 0;" align="initial">The best way to solve this problem is to add <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; margin-top: 0; font-weight: inherit; font-family: var(--default-mono-font, "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;'>if (res != GNUTLS_FIPS140_SELFTESTS)</code> before the <code style='font-size: 0.875rem; color: #1f1e24; word-wrap: break-word; background-color: #ececef; border-radius: 4px; font-weight: inherit; font-family: var(--default-mono-font, "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;'>_gnutls_priority_update_fips</code> calling.</p>
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