Re: [PATCH] perf kvm: fix segfault by initializing file_name to NULL

From: David Ahern
Date: Wed Feb 27 2013 - 23:43:40 EST

On 2/27/13 9:31 PM, Xiao Guangrong wrote:

On 02/28/2013 11:29 AM, David Ahern wrote:
Dongsoo reported that perf-kvm was segfaulting. The bug was introduced by
commit 3786063 which moved file_name from struct perf_kvm which was
initialized on the stack to an uninitialized stack variable. Fix by

Needs to be applied to 3.7 and 3.8 as well.

David, The bug has already been fixed by by Arnaldo, see:;a=commit;h=20914ce5b9e1ef4a35f1f09a2c9c8fb8eb1c4d86

very odd. Arnaldo's latest perf/urgent has the problem -- and no initialized variable. Seems to have been dropped somewhere.

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