| From 396b6c7ab737e2bff244d640601c436a26260ca1 Mon Sep 17 00:00:00 2001 |
| From: Arun Sharma <arun@sharma-home.net> |
| Date: Fri, 19 Jun 2015 19:47:22 -0700 |
| Subject: [PATCH] Invalid dwarf opcodes can cause references beyond the end of |
| the array. |
| |
| Upstream-Status: backport |
| |
| Signed-off-by: Li Zhou <li.zhou@windriver.com> |
| --- |
| include/dwarf_i.h | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/include/dwarf_i.h b/include/dwarf_i.h |
| index 1e6231e..4a02a7d 100644 |
| --- a/include/dwarf_i.h |
| +++ b/include/dwarf_i.h |
| @@ -20,7 +20,7 @@ |
| extern const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH]; |
| /* REG is evaluated multiple times; it better be side-effects free! */ |
| # define dwarf_to_unw_regnum(reg) \ |
| - (((reg) <= DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0) |
| + (((reg) < DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0) |
| #endif |
| |
| #ifdef UNW_LOCAL_ONLY |
| -- |
| 1.7.9.5 |
| |