1Upstream-Status: Pending
2
3Description: Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in
4libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes.
5--- a/external/libunwind/include/dwarf_i.h
6+++ b/external/libunwind/include/dwarf_i.h
7@@ -20,7 +20,7 @@
8 extern const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH];
9 /* REG is evaluated multiple times; it better be side-effects free!  */
10 # define dwarf_to_unw_regnum(reg)					  \
11-  (((reg) <= DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0)
12+  (((reg) < DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0)
13 #endif
14
15 #ifdef UNW_LOCAL_ONLY
16