| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | From 396b6c7ab737e2bff244d640601c436a26260ca1 Mon Sep 17 00:00:00 2001 |
| 2 | From: Arun Sharma <arun@sharma-home.net> |
| 3 | Date: Fri, 19 Jun 2015 19:47:22 -0700 |
| 4 | Subject: [PATCH] Invalid dwarf opcodes can cause references beyond the end of |
| 5 | the array. |
| 6 | |
| 7 | Upstream-Status: backport |
| 8 | |
| 9 | Signed-off-by: Li Zhou <li.zhou@windriver.com> |
| 10 | --- |
| 11 | include/dwarf_i.h | 2 +- |
| 12 | 1 file changed, 1 insertion(+), 1 deletion(-) |
| 13 | |
| 14 | diff --git a/include/dwarf_i.h b/include/dwarf_i.h |
| 15 | index 1e6231e..4a02a7d 100644 |
| 16 | --- a/include/dwarf_i.h |
| 17 | +++ b/include/dwarf_i.h |
| 18 | @@ -20,7 +20,7 @@ |
| 19 | extern const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH]; |
| 20 | /* REG is evaluated multiple times; it better be side-effects free! */ |
| 21 | # define dwarf_to_unw_regnum(reg) \ |
| 22 | - (((reg) <= DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0) |
| 23 | + (((reg) < DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0) |
| 24 | #endif |
| 25 | |
| 26 | #ifdef UNW_LOCAL_ONLY |
| 27 | -- |
| 28 | 1.7.9.5 |
| 29 | |