sqlite: reject statement-less SQLTagStore queries - #65152

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sqlite: reject statement-less SQLTagStore queries#65152
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Fixes: #65149

A query that holds no statement, such as sql.run`-- comment`, segfaults every SQLTagStore method. sqlite3_prepare_v2() returns SQLITE_OK with a null sqlite3_stmt* for input that is only a comment or whitespace, and ResetAndBindStatement() passes that null pointer straight to sqlite3_clear_bindings().

StatementSync already models a null statement as finalized, so this checks for it and throws ERR_INVALID_STATE, the same error db.prepare('-- comment').run() gives today.

Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
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Review requested:

  • @nodejs/sqlite

@nodejs-github-botnodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. sqlite Issues and PRs related to the SQLite subsystem. labels Aug 9, 2026
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.32%. Comparing base (a876a12) to head (3ff24e1).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files
@@ Coverage Diff @@## main #65152 +/- ##
=======================================
Coverage 90.32% 90.32% =======================================
Files 759 759 Lines 248325 248345 +20 Branches 46861 46875 +14 =======================================
+ Hits 224303 224322 +19 + Misses 15467 15462 -5 - Partials 8555 8561 +6 
Files with missing linesCoverage Δ
src/node_sqlite.cc81.39% <100.00%> (+0.16%)⬆️

... and 31 files with indirect coverage changes

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

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#65157 is the correct approach here, there's no point in allowing a null statement to be constructed and added to the tag store cache in the first place. We should reject these at the point of preparation.

That being said, this should also be the case for db.prepare()

Comment threadsrc/node_sqlite.cc Outdated
Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
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Closing in favour of #65157.

I would recommend not opening PRs within seconds of an issue being opened. There is often discussion to take place, even if the issue seems straightforward as in this case.

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sqlite: segfault when a SQLTagStore query contains only a comment

5 participants

@lazerg@nodejs-github-bot@Renegade334@meixg@islandryu
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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sqlite: reject statement-less SQLTagStore queries - #65152

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lazerg:fix/issue-65149-tagstore-comment-only
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sqlite: reject statement-less SQLTagStore queries#65152
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lazerg:fix/issue-65149-tagstore-comment-only

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Fixes: #65149

A query that holds no statement, such as sql.run`-- comment`, segfaults every SQLTagStore method. sqlite3_prepare_v2() returns SQLITE_OK with a null sqlite3_stmt* for input that is only a comment or whitespace, and ResetAndBindStatement() passes that null pointer straight to sqlite3_clear_bindings().

StatementSync already models a null statement as finalized, so this checks for it and throws ERR_INVALID_STATE, the same error db.prepare('-- comment').run() gives today.

Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@nodejs-github-bot

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Review requested:

  • @nodejs/sqlite

@nodejs-github-botnodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. sqlite Issues and PRs related to the SQLite subsystem. labels Aug 9, 2026
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.32%. Comparing base (a876a12) to head (3ff24e1).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files
@@ Coverage Diff @@## main #65152 +/- ##
=======================================
Coverage 90.32% 90.32% =======================================
Files 759 759 Lines 248325 248345 +20 Branches 46861 46875 +14 =======================================
+ Hits 224303 224322 +19 + Misses 15467 15462 -5 - Partials 8555 8561 +6 
Files with missing linesCoverage Δ
src/node_sqlite.cc81.39% <100.00%> (+0.16%)⬆️

... and 31 files with indirect coverage changes

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

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#65157 is the correct approach here, there's no point in allowing a null statement to be constructed and added to the tag store cache in the first place. We should reject these at the point of preparation.

That being said, this should also be the case for db.prepare()

Comment threadsrc/node_sqlite.cc Outdated
Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
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Closing in favour of #65157.

I would recommend not opening PRs within seconds of an issue being opened. There is often discussion to take place, even if the issue seems straightforward as in this case.

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sqlite: segfault when a SQLTagStore query contains only a comment

5 participants

@lazerg@nodejs-github-bot@Renegade334@meixg@islandryu
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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sqlite: reject statement-less SQLTagStore queries - #65152

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lazerg wants to merge 2 commits into
nodejs:mainfrom
lazerg:fix/issue-65149-tagstore-comment-only
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sqlite: reject statement-less SQLTagStore queries#65152
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lazerg:fix/issue-65149-tagstore-comment-only

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Fixes: #65149

A query that holds no statement, such as sql.run`-- comment`, segfaults every SQLTagStore method. sqlite3_prepare_v2() returns SQLITE_OK with a null sqlite3_stmt* for input that is only a comment or whitespace, and ResetAndBindStatement() passes that null pointer straight to sqlite3_clear_bindings().

StatementSync already models a null statement as finalized, so this checks for it and throws ERR_INVALID_STATE, the same error db.prepare('-- comment').run() gives today.

Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@nodejs-github-bot

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Review requested:

  • @nodejs/sqlite

@nodejs-github-botnodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. sqlite Issues and PRs related to the SQLite subsystem. labels Aug 9, 2026
@codecov

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.32%. Comparing base (a876a12) to head (3ff24e1).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files
@@ Coverage Diff @@## main #65152 +/- ##
=======================================
Coverage 90.32% 90.32% =======================================
Files 759 759 Lines 248325 248345 +20 Branches 46861 46875 +14 =======================================
+ Hits 224303 224322 +19 + Misses 15467 15462 -5 - Partials 8555 8561 +6 
Files with missing linesCoverage Δ
src/node_sqlite.cc81.39% <100.00%> (+0.16%)⬆️

... and 31 files with indirect coverage changes

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

@Renegade334Renegade334 left a comment

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#65157 is the correct approach here, there's no point in allowing a null statement to be constructed and added to the tag store cache in the first place. We should reject these at the point of preparation.

That being said, this should also be the case for db.prepare()

Comment threadsrc/node_sqlite.cc Outdated
Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@Renegade334

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Closing in favour of #65157.

I would recommend not opening PRs within seconds of an issue being opened. There is often discussion to take place, even if the issue seems straightforward as in this case.

Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

c++Issues and PRs that require attention from people who are familiar with C++.needs-ciPRs that need a full CI run.sqliteIssues and PRs related to the SQLite subsystem.

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Successfully merging this pull request may close these issues.

sqlite: segfault when a SQLTagStore query contains only a comment

5 participants

@lazerg@nodejs-github-bot@Renegade334@meixg@islandryu
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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sqlite: reject statement-less SQLTagStore queries - #65152

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lazerg wants to merge 2 commits into
nodejs:mainfrom
lazerg:fix/issue-65149-tagstore-comment-only
Closed

sqlite: reject statement-less SQLTagStore queries#65152
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lazerg:fix/issue-65149-tagstore-comment-only

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Fixes: #65149

A query that holds no statement, such as sql.run`-- comment`, segfaults every SQLTagStore method. sqlite3_prepare_v2() returns SQLITE_OK with a null sqlite3_stmt* for input that is only a comment or whitespace, and ResetAndBindStatement() passes that null pointer straight to sqlite3_clear_bindings().

StatementSync already models a null statement as finalized, so this checks for it and throws ERR_INVALID_STATE, the same error db.prepare('-- comment').run() gives today.

Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@nodejs-github-bot

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Review requested:

  • @nodejs/sqlite

@nodejs-github-botnodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. sqlite Issues and PRs related to the SQLite subsystem. labels Aug 9, 2026
@codecov

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.32%. Comparing base (a876a12) to head (3ff24e1).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files
@@ Coverage Diff @@## main #65152 +/- ##
=======================================
Coverage 90.32% 90.32% =======================================
Files 759 759 Lines 248325 248345 +20 Branches 46861 46875 +14 =======================================
+ Hits 224303 224322 +19 + Misses 15467 15462 -5 - Partials 8555 8561 +6 
Files with missing linesCoverage Δ
src/node_sqlite.cc81.39% <100.00%> (+0.16%)⬆️

... and 31 files with indirect coverage changes

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

@Renegade334Renegade334 left a comment

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#65157 is the correct approach here, there's no point in allowing a null statement to be constructed and added to the tag store cache in the first place. We should reject these at the point of preparation.

That being said, this should also be the case for db.prepare()

Comment threadsrc/node_sqlite.cc Outdated
Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@Renegade334

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Closing in favour of #65157.

I would recommend not opening PRs within seconds of an issue being opened. There is often discussion to take place, even if the issue seems straightforward as in this case.

Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

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c++Issues and PRs that require attention from people who are familiar with C++.needs-ciPRs that need a full CI run.sqliteIssues and PRs related to the SQLite subsystem.

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Successfully merging this pull request may close these issues.

sqlite: segfault when a SQLTagStore query contains only a comment

5 participants

@lazerg@nodejs-github-bot@Renegade334@meixg@islandryu
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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sqlite: reject statement-less SQLTagStore queries - #65152

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lazerg:fix/issue-65149-tagstore-comment-only
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sqlite: reject statement-less SQLTagStore queries#65152
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lazerg:fix/issue-65149-tagstore-comment-only

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Fixes: #65149

A query that holds no statement, such as sql.run`-- comment`, segfaults every SQLTagStore method. sqlite3_prepare_v2() returns SQLITE_OK with a null sqlite3_stmt* for input that is only a comment or whitespace, and ResetAndBindStatement() passes that null pointer straight to sqlite3_clear_bindings().

StatementSync already models a null statement as finalized, so this checks for it and throws ERR_INVALID_STATE, the same error db.prepare('-- comment').run() gives today.

Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@nodejs-github-bot

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Review requested:

  • @nodejs/sqlite

@nodejs-github-botnodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. sqlite Issues and PRs related to the SQLite subsystem. labels Aug 9, 2026
@codecov

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.32%. Comparing base (a876a12) to head (3ff24e1).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files
@@ Coverage Diff @@## main #65152 +/- ##
=======================================
Coverage 90.32% 90.32% =======================================
Files 759 759 Lines 248325 248345 +20 Branches 46861 46875 +14 =======================================
+ Hits 224303 224322 +19 + Misses 15467 15462 -5 - Partials 8555 8561 +6 
Files with missing linesCoverage Δ
src/node_sqlite.cc81.39% <100.00%> (+0.16%)⬆️

... and 31 files with indirect coverage changes

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

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#65157 is the correct approach here, there's no point in allowing a null statement to be constructed and added to the tag store cache in the first place. We should reject these at the point of preparation.

That being said, this should also be the case for db.prepare()

Comment threadsrc/node_sqlite.cc Outdated
Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@Renegade334

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Closing in favour of #65157.

I would recommend not opening PRs within seconds of an issue being opened. There is often discussion to take place, even if the issue seems straightforward as in this case.

Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

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Successfully merging this pull request may close these issues.

sqlite: segfault when a SQLTagStore query contains only a comment

5 participants

@lazerg@nodejs-github-bot@Renegade334@meixg@islandryu
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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sqlite: reject statement-less SQLTagStore queries - #65152

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lazerg wants to merge 2 commits into
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lazerg:fix/issue-65149-tagstore-comment-only
Closed

sqlite: reject statement-less SQLTagStore queries#65152
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lazerg:fix/issue-65149-tagstore-comment-only

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Fixes: #65149

A query that holds no statement, such as sql.run`-- comment`, segfaults every SQLTagStore method. sqlite3_prepare_v2() returns SQLITE_OK with a null sqlite3_stmt* for input that is only a comment or whitespace, and ResetAndBindStatement() passes that null pointer straight to sqlite3_clear_bindings().

StatementSync already models a null statement as finalized, so this checks for it and throws ERR_INVALID_STATE, the same error db.prepare('-- comment').run() gives today.

Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@nodejs-github-bot

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Review requested:

  • @nodejs/sqlite

@nodejs-github-botnodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. sqlite Issues and PRs related to the SQLite subsystem. labels Aug 9, 2026
@codecov

codecovBot commented Aug 9, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.32%. Comparing base (a876a12) to head (3ff24e1).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files
@@ Coverage Diff @@## main #65152 +/- ##
=======================================
Coverage 90.32% 90.32% =======================================
Files 759 759 Lines 248325 248345 +20 Branches 46861 46875 +14 =======================================
+ Hits 224303 224322 +19 + Misses 15467 15462 -5 - Partials 8555 8561 +6 
Files with missing linesCoverage Δ
src/node_sqlite.cc81.39% <100.00%> (+0.16%)⬆️

... and 31 files with indirect coverage changes

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#65157 is the correct approach here, there's no point in allowing a null statement to be constructed and added to the tag store cache in the first place. We should reject these at the point of preparation.

That being said, this should also be the case for db.prepare()

Comment threadsrc/node_sqlite.cc Outdated
Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
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Closing in favour of #65157.

I would recommend not opening PRs within seconds of an issue being opened. There is often discussion to take place, even if the issue seems straightforward as in this case.

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sqlite: segfault when a SQLTagStore query contains only a comment

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@lazerg@nodejs-github-bot@Renegade334@meixg@islandryu
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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sqlite: reject statement-less SQLTagStore queries - #65152

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lazerg wants to merge 2 commits into
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lazerg:fix/issue-65149-tagstore-comment-only
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sqlite: reject statement-less SQLTagStore queries#65152
lazerg wants to merge 2 commits into
nodejs:mainfrom
lazerg:fix/issue-65149-tagstore-comment-only

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Fixes: #65149

A query that holds no statement, such as sql.run`-- comment`, segfaults every SQLTagStore method. sqlite3_prepare_v2() returns SQLITE_OK with a null sqlite3_stmt* for input that is only a comment or whitespace, and ResetAndBindStatement() passes that null pointer straight to sqlite3_clear_bindings().

StatementSync already models a null statement as finalized, so this checks for it and throws ERR_INVALID_STATE, the same error db.prepare('-- comment').run() gives today.

Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
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Review requested:

  • @nodejs/sqlite

@nodejs-github-botnodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. sqlite Issues and PRs related to the SQLite subsystem. labels Aug 9, 2026
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.32%. Comparing base (a876a12) to head (3ff24e1).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files
@@ Coverage Diff @@## main #65152 +/- ##
=======================================
Coverage 90.32% 90.32% =======================================
Files 759 759 Lines 248325 248345 +20 Branches 46861 46875 +14 =======================================
+ Hits 224303 224322 +19 + Misses 15467 15462 -5 - Partials 8555 8561 +6 
Files with missing linesCoverage Δ
src/node_sqlite.cc81.39% <100.00%> (+0.16%)⬆️

... and 31 files with indirect coverage changes

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

@Renegade334Renegade334 left a comment

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#65157 is the correct approach here, there's no point in allowing a null statement to be constructed and added to the tag store cache in the first place. We should reject these at the point of preparation.

That being said, this should also be the case for db.prepare()

Comment threadsrc/node_sqlite.cc Outdated
Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@Renegade334

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Closing in favour of #65157.

I would recommend not opening PRs within seconds of an issue being opened. There is often discussion to take place, even if the issue seems straightforward as in this case.

Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

c++Issues and PRs that require attention from people who are familiar with C++.needs-ciPRs that need a full CI run.sqliteIssues and PRs related to the SQLite subsystem.

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Successfully merging this pull request may close these issues.

sqlite: segfault when a SQLTagStore query contains only a comment

5 participants

@lazerg@nodejs-github-bot@Renegade334@meixg@islandryu
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content

sqlite: reject statement-less SQLTagStore queries - #65152

Closed
lazerg wants to merge 2 commits into
nodejs:mainfrom
lazerg:fix/issue-65149-tagstore-comment-only
Closed

sqlite: reject statement-less SQLTagStore queries#65152
lazerg wants to merge 2 commits into
nodejs:mainfrom
lazerg:fix/issue-65149-tagstore-comment-only

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@lazerg

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Fixes: #65149

A query that holds no statement, such as sql.run`-- comment`, segfaults every SQLTagStore method. sqlite3_prepare_v2() returns SQLITE_OK with a null sqlite3_stmt* for input that is only a comment or whitespace, and ResetAndBindStatement() passes that null pointer straight to sqlite3_clear_bindings().

StatementSync already models a null statement as finalized, so this checks for it and throws ERR_INVALID_STATE, the same error db.prepare('-- comment').run() gives today.

Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@nodejs-github-bot

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Review requested:

  • @nodejs/sqlite

@nodejs-github-botnodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. needs-ci PRs that need a full CI run. sqlite Issues and PRs related to the SQLite subsystem. labels Aug 9, 2026
@codecov

codecovBot commented Aug 9, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.32%. Comparing base (a876a12) to head (3ff24e1).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files
@@ Coverage Diff @@## main #65152 +/- ##
=======================================
Coverage 90.32% 90.32% =======================================
Files 759 759 Lines 248325 248345 +20 Branches 46861 46875 +14 =======================================
+ Hits 224303 224322 +19 + Misses 15467 15462 -5 - Partials 8555 8561 +6 
Files with missing linesCoverage Δ
src/node_sqlite.cc81.39% <100.00%> (+0.16%)⬆️

... and 31 files with indirect coverage changes

🚀 New features to boost your workflow:
  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
  • 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

@Renegade334Renegade334 left a comment

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#65157 is the correct approach here, there's no point in allowing a null statement to be constructed and added to the tag store cache in the first place. We should reject these at the point of preparation.

That being said, this should also be the case for db.prepare()

Comment threadsrc/node_sqlite.cc Outdated
Signed-off-by: Lazizbek Ergashev <lazerg2@gmail.com>
@Renegade334

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Closing in favour of #65157.

I would recommend not opening PRs within seconds of an issue being opened. There is often discussion to take place, even if the issue seems straightforward as in this case.

Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

c++Issues and PRs that require attention from people who are familiar with C++.needs-ciPRs that need a full CI run.sqliteIssues and PRs related to the SQLite subsystem.

Projects

None yet

Development

Successfully merging this pull request may close these issues.

sqlite: segfault when a SQLTagStore query contains only a comment

5 participants

@lazerg@nodejs-github-bot@Renegade334@meixg@islandryu