AV Fix for OleDb - #32207

Merged
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV
Feb 14, 2020
Merged

AV Fix for OleDb#32207
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV

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@saurabh500saurabh500 commented Feb 13, 2020

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Fixes#981

The PR adapts from the PR at #32150 and maintains the same idea around changing the pack structure of the enum on X86 execution, just before sending it over to OleDb to minimize changes in the way the structure is modified.

The basic idea that the Packing of the structure needs to be changed, stems from the investigation done by @maryamariyan .

Note: This PR changes a single struct. The other structs which are packed with size 2, should be addressed too, and I will be taking care of them in subsequent PRs.

Testing: The tests were run on x86 build with the Microsoft.Jet.OLEDB.4.0 driver which is meant for 32 bit usage.

Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
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saurabh500 marked this pull request as ready for review February 14, 2020 00:05
Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
Comment threadsrc/libraries/System.Data.OleDb/src/OleDb_Util.cs

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LGTM as a step towards fixing the larger problem. As discussed in the other PR, we will also need tests and fix the other structs with this problem.

@saurabh500

saurabh500 commented Feb 14, 2020

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@jkotas, @maryamariyan @danmosemsft Is there an ongoing issue with macOS builds? They seem to be failing consistently (3 times I tried).
I could wait it out and re-run the build, however this change is Windows only and not even tested on MacOS, so it should be safe to merge.

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AccessViolationException using System.Data.OleDb

3 participants

@saurabh500@jkotas@maryamariyan
, '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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AV Fix for OleDb - #32207

Merged
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV
Feb 14, 2020
Merged

AV Fix for OleDb#32207
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV

Conversation

@saurabh500

@saurabh500saurabh500 commented Feb 13, 2020

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Fixes#981

The PR adapts from the PR at #32150 and maintains the same idea around changing the pack structure of the enum on X86 execution, just before sending it over to OleDb to minimize changes in the way the structure is modified.

The basic idea that the Packing of the structure needs to be changed, stems from the investigation done by @maryamariyan .

Note: This PR changes a single struct. The other structs which are packed with size 2, should be addressed too, and I will be taking care of them in subsequent PRs.

Testing: The tests were run on x86 build with the Microsoft.Jet.OLEDB.4.0 driver which is meant for 32 bit usage.

Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
@jkotas

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cc @maryamariyan

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saurabh500 marked this pull request as ready for review February 14, 2020 00:05
Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
Comment threadsrc/libraries/System.Data.OleDb/src/OleDb_Util.cs

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LGTM as a step towards fixing the larger problem. As discussed in the other PR, we will also need tests and fix the other structs with this problem.

@saurabh500

saurabh500 commented Feb 14, 2020

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@jkotas, @maryamariyan @danmosemsft Is there an ongoing issue with macOS builds? They seem to be failing consistently (3 times I tried).
I could wait it out and re-run the build, however this change is Windows only and not even tested on MacOS, so it should be safe to merge.

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AccessViolationException using System.Data.OleDb

3 participants

@saurabh500@jkotas@maryamariyan
, '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('^' + ".*" + '
Skip to content

AV Fix for OleDb - #32207

Merged
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV
Feb 14, 2020
Merged

AV Fix for OleDb#32207
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV

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@saurabh500

@saurabh500saurabh500 commented Feb 13, 2020

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Fixes#981

The PR adapts from the PR at #32150 and maintains the same idea around changing the pack structure of the enum on X86 execution, just before sending it over to OleDb to minimize changes in the way the structure is modified.

The basic idea that the Packing of the structure needs to be changed, stems from the investigation done by @maryamariyan .

Note: This PR changes a single struct. The other structs which are packed with size 2, should be addressed too, and I will be taking care of them in subsequent PRs.

Testing: The tests were run on x86 build with the Microsoft.Jet.OLEDB.4.0 driver which is meant for 32 bit usage.

Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
@jkotas

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cc @maryamariyan

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saurabh500 marked this pull request as ready for review February 14, 2020 00:05
Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
Comment threadsrc/libraries/System.Data.OleDb/src/OleDb_Util.cs

@jkotasjkotas left a comment

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LGTM as a step towards fixing the larger problem. As discussed in the other PR, we will also need tests and fix the other structs with this problem.

@saurabh500

saurabh500 commented Feb 14, 2020

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@jkotas, @maryamariyan @danmosemsft Is there an ongoing issue with macOS builds? They seem to be failing consistently (3 times I tried).
I could wait it out and re-run the build, however this change is Windows only and not even tested on MacOS, so it should be safe to merge.

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AccessViolationException using System.Data.OleDb

3 participants

@saurabh500@jkotas@maryamariyan
, '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('^' + ".*" + '
Skip to content

AV Fix for OleDb - #32207

Merged
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV
Feb 14, 2020
Merged

AV Fix for OleDb#32207
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV

Conversation

@saurabh500

@saurabh500saurabh500 commented Feb 13, 2020

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Fixes#981

The PR adapts from the PR at #32150 and maintains the same idea around changing the pack structure of the enum on X86 execution, just before sending it over to OleDb to minimize changes in the way the structure is modified.

The basic idea that the Packing of the structure needs to be changed, stems from the investigation done by @maryamariyan .

Note: This PR changes a single struct. The other structs which are packed with size 2, should be addressed too, and I will be taking care of them in subsequent PRs.

Testing: The tests were run on x86 build with the Microsoft.Jet.OLEDB.4.0 driver which is meant for 32 bit usage.

Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
@jkotas

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cc @maryamariyan

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saurabh500 marked this pull request as ready for review February 14, 2020 00:05
Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
Comment threadsrc/libraries/System.Data.OleDb/src/OleDb_Util.cs

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LGTM as a step towards fixing the larger problem. As discussed in the other PR, we will also need tests and fix the other structs with this problem.

@saurabh500

saurabh500 commented Feb 14, 2020

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@jkotas, @maryamariyan @danmosemsft Is there an ongoing issue with macOS builds? They seem to be failing consistently (3 times I tried).
I could wait it out and re-run the build, however this change is Windows only and not even tested on MacOS, so it should be safe to merge.

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Successfully merging this pull request may close these issues.

AccessViolationException using System.Data.OleDb

3 participants

@saurabh500@jkotas@maryamariyan
, '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" + '
Skip to content

AV Fix for OleDb - #32207

Merged
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV
Feb 14, 2020
Merged

AV Fix for OleDb#32207
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV

Conversation

@saurabh500

@saurabh500saurabh500 commented Feb 13, 2020

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Fixes#981

The PR adapts from the PR at #32150 and maintains the same idea around changing the pack structure of the enum on X86 execution, just before sending it over to OleDb to minimize changes in the way the structure is modified.

The basic idea that the Packing of the structure needs to be changed, stems from the investigation done by @maryamariyan .

Note: This PR changes a single struct. The other structs which are packed with size 2, should be addressed too, and I will be taking care of them in subsequent PRs.

Testing: The tests were run on x86 build with the Microsoft.Jet.OLEDB.4.0 driver which is meant for 32 bit usage.

Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
@jkotas

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cc @maryamariyan

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saurabh500 marked this pull request as ready for review February 14, 2020 00:05
Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
Comment threadsrc/libraries/System.Data.OleDb/src/OleDb_Util.cs

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LGTM as a step towards fixing the larger problem. As discussed in the other PR, we will also need tests and fix the other structs with this problem.

@saurabh500

saurabh500 commented Feb 14, 2020

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@jkotas, @maryamariyan @danmosemsft Is there an ongoing issue with macOS builds? They seem to be failing consistently (3 times I tried).
I could wait it out and re-run the build, however this change is Windows only and not even tested on MacOS, so it should be safe to merge.

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Successfully merging this pull request may close these issues.

AccessViolationException using System.Data.OleDb

3 participants

@saurabh500@jkotas@maryamariyan
, '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('^' + ".*" + '
Skip to content

AV Fix for OleDb - #32207

Merged
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV
Feb 14, 2020
Merged

AV Fix for OleDb#32207
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV

Conversation

@saurabh500

@saurabh500saurabh500 commented Feb 13, 2020

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Fixes#981

The PR adapts from the PR at #32150 and maintains the same idea around changing the pack structure of the enum on X86 execution, just before sending it over to OleDb to minimize changes in the way the structure is modified.

The basic idea that the Packing of the structure needs to be changed, stems from the investigation done by @maryamariyan .

Note: This PR changes a single struct. The other structs which are packed with size 2, should be addressed too, and I will be taking care of them in subsequent PRs.

Testing: The tests were run on x86 build with the Microsoft.Jet.OLEDB.4.0 driver which is meant for 32 bit usage.

Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
@jkotas

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cc @maryamariyan

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saurabh500 marked this pull request as ready for review February 14, 2020 00:05
Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
Comment threadsrc/libraries/System.Data.OleDb/src/OleDb_Util.cs

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LGTM as a step towards fixing the larger problem. As discussed in the other PR, we will also need tests and fix the other structs with this problem.

@saurabh500

saurabh500 commented Feb 14, 2020

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@jkotas, @maryamariyan @danmosemsft Is there an ongoing issue with macOS builds? They seem to be failing consistently (3 times I tried).
I could wait it out and re-run the build, however this change is Windows only and not even tested on MacOS, so it should be safe to merge.

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Successfully merging this pull request may close these issues.

AccessViolationException using System.Data.OleDb

3 participants

@saurabh500@jkotas@maryamariyan
, '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('^' + ".*" + '
Skip to content

AV Fix for OleDb - #32207

Merged
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV
Feb 14, 2020
Merged

AV Fix for OleDb#32207
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV

Conversation

@saurabh500

@saurabh500saurabh500 commented Feb 13, 2020

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Fixes#981

The PR adapts from the PR at #32150 and maintains the same idea around changing the pack structure of the enum on X86 execution, just before sending it over to OleDb to minimize changes in the way the structure is modified.

The basic idea that the Packing of the structure needs to be changed, stems from the investigation done by @maryamariyan .

Note: This PR changes a single struct. The other structs which are packed with size 2, should be addressed too, and I will be taking care of them in subsequent PRs.

Testing: The tests were run on x86 build with the Microsoft.Jet.OLEDB.4.0 driver which is meant for 32 bit usage.

Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
@jkotas

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cc @maryamariyan

@saurabh500
saurabh500 marked this pull request as ready for review February 14, 2020 00:05
Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
Comment threadsrc/libraries/System.Data.OleDb/src/OleDb_Util.cs

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LGTM as a step towards fixing the larger problem. As discussed in the other PR, we will also need tests and fix the other structs with this problem.

@saurabh500

saurabh500 commented Feb 14, 2020

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@jkotas, @maryamariyan @danmosemsft Is there an ongoing issue with macOS builds? They seem to be failing consistently (3 times I tried).
I could wait it out and re-run the build, however this change is Windows only and not even tested on MacOS, so it should be safe to merge.

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AccessViolationException using System.Data.OleDb

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@saurabh500@jkotas@maryamariyan
, '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); } })(); })();
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AV Fix for OleDb - #32207

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saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV
Feb 14, 2020
Merged

AV Fix for OleDb#32207
saurabh500 merged 9 commits into
dotnet:masterfrom
saurabh500:soln2fixAV

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@saurabh500

@saurabh500saurabh500 commented Feb 13, 2020

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Fixes#981

The PR adapts from the PR at #32150 and maintains the same idea around changing the pack structure of the enum on X86 execution, just before sending it over to OleDb to minimize changes in the way the structure is modified.

The basic idea that the Packing of the structure needs to be changed, stems from the investigation done by @maryamariyan .

Note: This PR changes a single struct. The other structs which are packed with size 2, should be addressed too, and I will be taking care of them in subsequent PRs.

Testing: The tests were run on x86 build with the Microsoft.Jet.OLEDB.4.0 driver which is meant for 32 bit usage.

Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
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cc @maryamariyan

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saurabh500 marked this pull request as ready for review February 14, 2020 00:05
Comment threadsrc/libraries/System.Data.OleDb/src/OleDbCommand.cs Outdated
Comment threadsrc/libraries/System.Data.OleDb/src/OleDb_Util.cs

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LGTM as a step towards fixing the larger problem. As discussed in the other PR, we will also need tests and fix the other structs with this problem.

@saurabh500

saurabh500 commented Feb 14, 2020

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@jkotas, @maryamariyan @danmosemsft Is there an ongoing issue with macOS builds? They seem to be failing consistently (3 times I tried).
I could wait it out and re-run the build, however this change is Windows only and not even tested on MacOS, so it should be safe to merge.

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AccessViolationException using System.Data.OleDb

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