[Bug 710582] Re: webkit crashes on amd64 architecture with SIGSEGV in WTF::OSAllocator::reserveAndCommit() was: webkit does not implement "assert" sanely

[Jens]

I can by launching gwibber-accounts,click add, select twitter, click
add, click authorize.

This will try to use webkit to open the twitter page, which then
segfaults.

echo 1 > /proc/sys/vm/overcommit_memory
fixes this until reboot.

here is a backtrace:
http://launchpadlibrarian.net/63485933/gdb-gwibber-accounts.txt
here is a valgrind log:
https://bugs.launchpad.net/ubuntu/+source/epiphany-browser/+bug/704393/+attachment/1827136/+files/gwibber-accounts-valgrind.log

This crash is happening because webkit is allocating 2GB's of memory
with mmap and presumes the os to do overcomminting of memory. If you
have enought free memory (or swap) then webkit might not crash at all.

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https://bugs.launchpad.net/bugs/710582

Title:
  webkit crashes on amd64 architecture with SIGSEGV in
  WTF::OSAllocator::reserveAndCommit() was: webkit does not implement
  "assert" sanely