This should fix it: https://salsa.debian.org/chromium-team/chromium/-/commit/b904fa41d40b967dcc8f6984db52f7a2f6a2c83d
We are not building with GCC but this seems to be exactly the place where the crash happens. chromium built with this patch has not crashed for the last few hours for me, while before it would crash in a few minutes. Riku