[Webkit-unassigned] [Bug 229444] Crash in [RBSTarget targetWithPid:] during WebProcessProxy::shutDown

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Aug 24 08:55:32 PDT 2021


--- Comment #3 from Chris Dumez <cdumez at apple.com> ---
(In reply to Chris Dumez from comment #2)
> (In reply to Chris Dumez from comment #1)
> > I have just discussed this with a RunningBoard engineer. The most likely
> > explanation is that the pid is < 0 (which is possible since pid_t is an int
> > on our Darwin). We get the pid from xpc_connection_get_pid() and I guess
> > this could theoretically return a negative PID (maybe in case of error when
> > the process has already exited).
> > 
> > I think we should tweak the PID check on WebKit side to early return if pid
> > <= 0 (instead of doing an early return when !pid).
> > 
> > Are you able to write up the patch?
> By the way, I haven't received such reports for MobileSafari yet, which is a
> bit odd. I have no idea what Chrome could be doing differently to cause
> this...

Do you know when this crash started for Chrome? And could you give us an idea of the frequency (i.e. is it a top crash?).

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