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Invalid dwarf opcodes can cause references beyond the end of the array.

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This commit is contained in:
Arun Sharma 2015-06-19 19:47:22 -07:00
parent b2db825e8a
commit 396b6c7ab7
1 changed files with 1 additions and 1 deletions
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2
include/dwarf_i.h
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@ -20,7 +20,7 @@
extern const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH]; extern const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH];
/* REG is evaluated multiple times; it better be side-effects free! */ /* REG is evaluated multiple times; it better be side-effects free! */
# define dwarf_to_unw_regnum(reg) \ # 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 #endif
#ifdef UNW_LOCAL_ONLY #ifdef UNW_LOCAL_ONLY