#1121119 [bullseye] libwebkit2gtk-4.0-37: illegal instruction after update (probably SSE2 again)

Package:
libwebkit2gtk-4.0-37
Source:
libwebkit2gtk-4.0-37
Description:
Web content engine library for GTK
Submitter:
Ondrej Zary
Date:
2025-11-21 12:08:01 UTC
Severity:
normal
#1121119#5
Date:
2025-11-21 12:01:09 UTC
From:
To:
Dear Maintainer,
after upgrading libjavascriptcoregtk-4.0-18 and libwebkit2gtk-4.0-37 from 2.48.5-1~deb11u1
to 2.50.1-1~deb11u1, epiphany crashes with "Illegal instruction"
immediately. dmesg shows:
traps: epiphany[6265] trap invalid opcode ip:b1007366 sp:bff1f0c0 error:0 in libjavascriptcoregtk-4.0.so.18.28.6[b03a6000+d19000]

The code probably contains SSE2 instructions.