From 1db16779a5401fa798771dadcc4e78be25374a9b Mon Sep 17 00:00:00 2001 From: kaiw Date: Sun, 30 Jun 2013 21:06:47 +0000 Subject: When decoding SLEB128, make sure sign extension is performed for 64-bit integers. MFC after: 3 days --- lib/libdwarf/dwarf_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lib/libdwarf/dwarf_init.c') diff --git a/lib/libdwarf/dwarf_init.c b/lib/libdwarf/dwarf_init.c index 6ebc7d9..ce85363 100644 --- a/lib/libdwarf/dwarf_init.c +++ b/lib/libdwarf/dwarf_init.c @@ -192,7 +192,7 @@ dwarf_read_sleb128(Elf_Data **dp, uint64_t *offsetp) shift += 7; } while ((b & 0x80) != 0); - if (shift < 32 && (b & 0x40) != 0) + if (shift < 64 && (b & 0x40) != 0) ret |= (-1 << shift); return ret; -- cgit v1.1