lkml.org 
[lkml]   [2020]   [Mar]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/1] perf/tool: fix read in event parsing
On Fri, Mar 06, 2020 at 11:31:21PM -0800, Ian Rogers wrote:
> ADD_CONFIG_TERM accesses term->weak, however, in get_config_chgs this
> value is accessed outside of the list_for_each_entry and references
> invalid memory. Add an argument for ADD_CONFIG_TERM for weak and set it
> to false in the get_config_chgs case.
> This bug was cause by clang's address sanitizer and libfuzzer. It can be
> reproduced with a command line of:
> perf stat -a -e i/bs,tsc,L2/o
>
> Signed-off-by: Ian Rogers <irogers@google.com>

nice catch

Acked-by: Jiri Olsa <jolsa@kernel.org>

thanks,
jirka

\
 
 \ /
  Last update: 2020-03-07 11:46    [W:0.046 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site