On Tue, 01 Sep, at 03:29:44AM, Wang Nan wrote: > There is a problem in dwarf-regs.c of sh, sparc and x86 that it is > possible to make an out-of-bound array accessing when searching > register names. This patch fixes it by replacing '<=' to '<', so when > register (number == XXX_MAX_REGS), get_arch_regstr() returns NULL. > > Signed-off-by: Wang Nan <wangn...@huawei.com> > Cc: Arnaldo Carvalho de Melo <a...@redhat.com> > Cc: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> > Cc: David S. Miller <da...@davemloft.net> > Cc: Matt Fleming <m...@console-pimps.org> > Cc: Jiri Olsa <jo...@kernel.org> > --- > tools/perf/arch/sh/util/dwarf-regs.c | 2 +- > tools/perf/arch/sparc/util/dwarf-regs.c | 2 +- > tools/perf/arch/x86/util/dwarf-regs.c | 2 +- > 3 files changed, 3 insertions(+), 3 deletions(-)
Hmm, I wonder how that bug was introduced. I guess copy and paste is probably to blame. Good catch. Reviewed-by: Matt Fleming <matt.flem...@intel.com> -- Matt Fleming, Intel Open Source Technology Center -- 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/
