Branch: refs/heads/webkitglib/2.50
Home: https://github.com/WebKit/WebKit
Commit: 37071b7dadeaececdd4bff5bb1c96433afbb531b
https://github.com/WebKit/WebKit/commit/37071b7dadeaececdd4bff5bb1c96433afbb531b
Author: Simon Pena <[email protected]>
Date: 2026-03-16 (Mon, 16 Mar 2026)
Changed paths:
M Source/WebKit/WPEPlatform/wpe/wayland/WPEInputMethodContextWaylandV1.cpp
Log Message:
-----------
Cherry-pick 309327@main (abaf97d89d1a).
https://bugs.webkit.org/show_bug.cgi?id=309772
[WPE][WPEPlatform] Out-of-bounds read in keysymModifiersGetMask when
modifier name is not found
https://bugs.webkit.org/show_bug.cgi?id=309772
Reviewed by Adrian Perez de Castro and Claudio Saavedra.
When iterating through the entries in map->data, the loop termination
condition compares the current pointer p with p + map->size, which will
always be true. As a consequence, p will eventually go beyond its bounds
when we do `p += strlen(p) + 1;`.
This rewrites keysymModifiersGetMask using StringView::split('\0') to
iterate null-sparated modifier names in the wl_array.
* Source/WebKit/WPEPlatform/wpe/wayland/WPEInputMethodContextWaylandV1.cpp:
(keysymModifiersGetMask):
Canonical link: https://commits.webkit.org/309327@main
Canonical link: https://commits.webkit.org/298234.501@webkitglib/2.50
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