Comment #3 on issue 17027 by [email protected]: Crash -
tcmalloc::ThreadCache::FreeList::PopRange(int,void * *,void * *)
http://code.google.com/p/chromium/issues/detail?id=17027
The following revision refers to this bug:
http://src.chromium.org/viewvc/chrome?view=rev&revision=22826
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r22826 | [email protected] | 2009-08-07 16:13:35 -0700 (Fri, 07 Aug 2009) |
16 lines
Changed paths:
M
http://src.chromium.org/viewvc/chrome/trunk/src/base/pickle.cc?r1=22826&r2=22825
M
http://src.chromium.org/viewvc/chrome/trunk/src/base/pickle.h?r1=22826&r2=22825
Add short circuit case for self assignment, and add virtual destructor
Pickle is a base class of Message, which has a virtual destructor, so
it is better to have Pickle have a virtual destructor as well.
Add more defensive code in the case of self assignment.
**IF** self assignment was used, and the target was read-only,
then the existing code would have a memory fault.
I don't think this is currently possible in use cases, but
the defensize code is much better. (per suggestion from CPU
on last CL).
BUG=17027
BUG=17088
r=cpu
Review URL: http://codereview.chromium.org/159800
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