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perf machine: Use snprintf instead of sprintf

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To avoid buffer overruns.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1379845338-29637-2-git-send-email-adrian.hunter@intel.com
[ Split from aa7fe3b ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2013-09-22 13:22:09 +03:00 • committed by Arnaldo Carvalho de Melo
commit f4be904d2f
1 changed files with 3 additions and 3 deletions
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6
tools/perf/util/machine.c
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@ -785,10 +785,10 @@ static int machine__create_modules(struct machine *machine)
const char *modules; const char *modules;
char path[PATH_MAX]; char path[PATH_MAX];
if (machine__is_default_guest(machine)) if (machine__is_default_guest(machine)) {
modules = symbol_conf.default_guest_modules; modules = symbol_conf.default_guest_modules;
else { } else {
sprintf(path, "%s/proc/modules", machine->root_dir); snprintf(path, PATH_MAX, "%s/proc/modules", machine->root_dir);
modules = path; modules = path;
} }