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chromium: tab crashes with not MAP_STACK when using webcam in meet
chromium: tab crashes with not MAP_STACK when using webcam in meet
On 7/7/26 23:00, Abel Abraham Camarillo Ojeda wrote:
> Hi to all,
>
> My chromium tabs on meet.google.com <http://meet.google.com> crash when camera
> is starting,
> on console I see this messages:
>
> When entering meet.google.com <http://meet.google.com>:
>
> [87995:511996:0707/150138.431178:ERROR:third_party/webrtc/pc/
> sdp_offer_answer.cc:575] A BUNDLE group contains a codec collision between
> {payload_type: 111, codec: {mime_type: audio/opus, clock_rate: 48000,
> num_channels: 2, parameters: {minptime: 10, stereo: 1, useinbandfec: 1}}} and
> {payload_type: 111, codec: {mime_type: audio/opus, clock_rate: 48000,
> num_channels: 2, parameters: {minptime: 10, useinbandfec: 1}}}. All codecs must
> share the same type, encoding name, clock rate and parameters. (INVALID_PARAMETER)
> [87995:511996:0707/150138.431242:ERROR:third_party/webrtc/pc/
> sdp_offer_answer.cc:4170] Bundled payload type collision: A BUNDLE group
> contains a codec collision between {payload_type: 111, codec: {mime_type: audio/
> opus, clock_rate: 48000, num_channels: 2, parameters: {minptime: 10, stereo: 1,
> useinbandfec: 1}}} and {payload_type: 111, codec: {mime_type: audio/opus,
> clock_rate: 48000, num_channels: 2, parameters: {minptime: 10, useinbandfec:
> 1}}}. All codecs must share the same type, encoding name, clock rate and parameters.
>
>
> time later if I click to enable webcam just before the crash:
>
> [chrome]87995/422296 sp=1b53806e7000 inside e14b850000-e14ba4ffff: not MAP_STACK
>
> The tab crashes with Aw, snap! Error code: 11
I didn't check the website itself, but Google AI says Google Meet uses WASM.
I don't know how you could check/confirm the crash is WASM-related.
But it looks possible that you hit a WASM worker trying to run on its own stack.
In v8/src/wasm/stacks.cc
Some patches for Node V8 to fix WASM may also apply to Chromium V8:
https://marc.info/?l=openbsd-ports&m=178332404118335&w=2
But Node and Chromium don't use the same V8 version; more work is needed.
I hope I'm not missleading there ...
>
> How can I debug this further?
> The webcam works in other web pages like https://es.webcamtests.com/ <https://
> es.webcamtests.com/>
>
> Thank you
chromium: tab crashes with not MAP_STACK when using webcam in meet
chromium: tab crashes with not MAP_STACK when using webcam in meet