Em Tue, May 05, 2015 at 11:09:21PM +0900, Masami Hiramatsu escreveu: > On 2015/04/30 19:52, Wang Nan wrote: > > Since parse_perf_probe_point() deals with a user passed argument, we > > should not assume it to be a valid string. > > > > Without this patch, if pass '' to perf probe, a segfault raises: > > > > $ perf probe -a '' > > Segmentation fault
> > This patch checks argument of parse_perf_probe_point() before > > string processing. > > After this patch: > > $ perf probe -a '' > > > > usage: perf probe [<options>] 'PROBEDEF' ['PROBEDEF' ...] > > or: perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...] > > ... > This looks OK to me. > Acked-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> > Could you split this as an independent bugfix with my ack? You mean split from this patchkit? I already did that, added it to my perf/urgent branch, where I'll add your acked-by as well, - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/