X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Fdis-buf.c;h=061bc441a3c652a7f28581d2a803108e98c681f7;hb=5430098f1807e084fe4ff5057040d68435f3d8a2;hp=cc0e3ad2fba99c187f6388fc01f74361961bfb7c;hpb=b90efa5b79ac1524ec260f8eb89d1be37e0219a7;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/dis-buf.c b/opcodes/dis-buf.c index cc0e3ad2fb..061bc441a3 100644 --- a/opcodes/dis-buf.c +++ b/opcodes/dis-buf.c @@ -1,5 +1,5 @@ /* Disassemble from a buffer, for GNU. - Copyright (C) 1993-2015 Free Software Foundation, Inc. + Copyright (C) 1993-2017 Free Software Foundation, Inc. This file is part of the GNU opcodes library. @@ -33,12 +33,14 @@ buffer_read_memory (bfd_vma memaddr, { unsigned int opb = info->octets_per_byte; unsigned int end_addr_offset = length / opb; - unsigned int max_addr_offset = info->buffer_length / opb; + unsigned int max_addr_offset = info->buffer_length / opb; unsigned int octets = (memaddr - info->buffer_vma) * opb; if (memaddr < info->buffer_vma || memaddr - info->buffer_vma > max_addr_offset - || memaddr - info->buffer_vma + end_addr_offset > max_addr_offset) + || memaddr - info->buffer_vma + end_addr_offset > max_addr_offset + || (info->stop_vma && (memaddr >= info->stop_vma + || memaddr + end_addr_offset > info->stop_vma))) /* Out of bounds. Use EIO because GDB uses it. */ return EIO; memcpy (myaddr, info->buffer + octets, length);