Bug 282172
| Summary: | [GTK] [2.46.2] WebCore::DisplayUpdate::nextUpdate(): Arithmetic exception on i386 | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | Alberto Garcia <berto> |
| Component: | WebKitGTK | Assignee: | Nobody <webkit-unassigned> |
| Status: | NEW | ||
| Severity: | Normal | CC: | bugs-noreply |
| Priority: | P2 | ||
| Version: | WebKit Nightly Build | ||
| Hardware: | PC | ||
| OS: | Linux | ||
| URL: | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1085710 | ||
Alberto Garcia
One Debian user reports the following crash using WebKitGTK 2.46.0 and 2.46.2 in i386 when running Evolution 3.54.0 on Debian trixie:
Thread 48 "VBlankMonitor" received signal SIGFPE, Arithmetic exception.
[Switching to Thread 0xccc7bb40 (LWP 21804)]
Download failed: Argument invalide. Continuing without source file ./build-soup3/./build-soup3/WebCore/PrivateHeaders/WebCore/DisplayUpdate.h.
WebCore::DisplayUpdate::nextUpdate () at ./build-soup3/WebCore/PrivateHeaders/WebCore/DisplayUpdate.h:44
warning: 44 ./build-soup3/WebCore/PrivateHeaders/WebCore/DisplayUpdate.h: Aucun fichier ou dossier de ce nom
#0 WebCore::DisplayUpdate::nextUpdate () at ./build-soup3/WebCore/PrivateHeaders/WebCore/DisplayUpdate.h:44
#1 WebKit::DisplayLink::notifyObserversDisplayDidRefresh () at ./Source/WebKit/UIProcess/DisplayLink.cpp:217
#2 0xf1f734db in operator() () at ./Source/WebKit/UIProcess/glib/DisplayLinkGLib.cpp:38
#3 call () at ./build-soup3/WTF/Headers/wtf/Function.h:53
#4 0xf1f73bbc in WTF::Function<void()>::operator() () at ./build-soup3/WTF/Headers/wtf/Function.h:82
#5 operator() () at ./Source/WebKit/UIProcess/glib/DisplayVBlankMonitor.cpp:101
#6 call () at ./build-soup3/WTF/Headers/wtf/Function.h:53
#7 0xeeca1d20 in WTF::Function<void()>::operator() () at ./Source/WTF/wtf/Function.h:82
#8 WTF::Thread::entryPoint () at ./Source/WTF/wtf/Threading.cpp:266
#9 0xeed0a9f8 in wtfThreadEntryPoint () at ./Source/WTF/wtf/posix/ThreadingPOSIX.cpp:239
#10 0xf0dda872 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:447
#11 0xf0e72b48 in __GI___clone3 () at ../sysdeps/unix/sysv/linux/i386/clone3.S:111
From the line numbers the problem seems to be here: https://github.com/WebKit/WebKit/blob/webkitgtk-2.46.2/Source/WebCore/platform/graphics/DisplayUpdate.h#L44
And that is likely a division by zero:
DisplayUpdate nextUpdate() const
{
return { (updateIndex + 1) % updatesPerSecond, updatesPerSecond };
}
The CPU is an Intel Core2 Duo T9300
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