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SubjectRe: [PATCH v2 perf/core] perf script: fix a use after free crash.
On Tue, Oct 11, 2016 at 02:28:39AM -0700, Krister Johansen wrote:
> If dso__load_kcore frees all of the existing maps, but one has already
> been attached to a callchain cursor node, then we can get a SIGSEGV in
> any function that happens to try to use this invalid cursor. Use the
> existing map refcount mechanism to forestall cleanup of a map until the
> cursor iterates past the node.

It has been a couple of weeks since I sent out v2 of this patch. I
understand that folks here have plenty of irons in the fire, but I
wanted to double-check that nobody was waiting on me for additional
information or changes.



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