lkml.org 
[lkml]   [2018]   [Aug]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] perf tools: Check for null when copying nsinfo.
Em Fri, Aug 10, 2018 at 03:36:13PM +0200, Benno Evers escreveu:
> The argument to nsinfo__copy() was assumed to be valid, but some code paths
> exist that will lead to NULL being passed.
>
> In particular, running 'perf script -D' on a perf.data file containing an
> PERF_RECORD_MMAP event associating the '[vdso]' dso with pid 0 earlier in
> the event stream will lead to a segfault.
>
> Since all calling code is already checking for a non-null return value,
> just return NULL for this case as well.
>
> Acked-by: Namhyung Kim <namhyung@kernel.org>
> Signed-off-by: Benno Evers <bevers@mesosphere.com>

Thanks, applied.

- Arnaldo

\
 
 \ /
  Last update: 2018-08-13 20:40    [W:0.076 / U:0.112 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site