Wang Nan 3b27d13940 perf dwarf: Fix potential array out of bounds access ... There is a problem in the dwarf-regs.c files for sh, sparc and x86 where it is possible to make an out-of-bounds array access when searching for register names. This patch fixes it by replacing '<=' to '<', so when register (number == XXX_MAX_REGS), get_arch_regstr() will return NULL. Signed-off-by: Wang Nan <wangnan0@huawei.com> Reviewed-by: Matt Fleming <matt@console-pimps.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: David S. Miller <davem@davemloft.net> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@huawei.com Link: http://lkml.kernel.org/r/1441078184-105038-1-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>		2015-09-01 11:33:48 -03:00
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dwarf-regs.c	perf dwarf: Fix potential array out of bounds access	2015-09-01 11:33:48 -03:00