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perf script: Add array bound checking to list_scripts

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Don't overflow array when the scripts directory is too large, or the
script file name is too long.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20190311144502.15423-11-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Andi Kleen
2019-03-11 07:45:01 -07:00
committed by Arnaldo Carvalho de Melo
parent ca52babe03
commit 905e4aff31
3 changed files with 10 additions and 4 deletions
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tools/perf/builtin.h
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@@ -40,5 +40,6 @@ int cmd_mem(int argc, const char **argv);
int cmd_data(int argc, const char **argv);
int cmd_ftrace(int argc, const char **argv);
int find_scripts(char **scripts_array, char **scripts_path_array);
int find_scripts(char **scripts_array, char **scripts_path_array, int num,
int pathlen);
#endif