tor-browser

commit a0c5761e78def509afb4e9866aa4b2f76967806a
parent bf9cf5a1b0bc95e4a7521c1935a1038ba305ef69
Author: Alexandre Poirot <poirot.alex@gmail.com>
Date:   Tue,  6 Jan 2026 15:39:47 +0000

Bug 1990493 - [devtools] Show out of memory stack from server exceptions. r=devtools-reviewers,nchevobbe

Differential Revision: https://phabricator.services.mozilla.com/D277899

Diffstat:
M
devtools/shared/protocol/Actor.js
 | 
11
+++++++++--

1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/devtools/shared/protocol/Actor.js b/devtools/shared/protocol/Actor.js
@@ -140,8 +140,15 @@ class Actor extends Pool {
       fileName: error.fileName || error.filename,
       lineNumber: error.lineNumber,
       columnNumber: error.columnNumber,
-      // Also pass the whole stack as string
-      stack: error.stack,
+      // Also pass the whole stack as string.
+      //
+      // "out of memory" string may be thrown by SpiderMonkey,
+      // in which case getLastOOMStackTrace can return a last resort stack as a string.
+      // https://searchfox.org/firefox-main/rev/33bba5cfe4a89dda0ee07fa9fbac578353713fd3/js/src/vm/JSContext.cpp#296-297
+      stack:
+        error == "out of memory"
+          ? ChromeUtils.getLastOOMStackTrace()
+          : error.stack,
     });
   }