gdb/gdb-binutils29988-read_indexed_address.patch
2023-04-11 10:32:14 -07:00

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From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Wed, 11 Jan 2023 12:13:46 +0000
Subject: gdb-binutils29988-read_indexed_address.patch
;; Backport "Fix a potential illegal memory access in the BFD library..."
;; (Nick Clifton, binutils/29988)
PR 29988
* dwarf2.c (read_indexed_address): Fix check for an out of range
offset.
diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
--- a/bfd/dwarf2.c
+++ b/bfd/dwarf2.c
@@ -1412,7 +1412,7 @@ read_indexed_address (uint64_t idx, struct comp_unit *unit)
offset += unit->dwarf_addr_offset;
if (offset < unit->dwarf_addr_offset
|| offset > file->dwarf_addr_size
- || file->dwarf_addr_size - offset < unit->offset_size)
+ || file->dwarf_addr_size - offset < unit->addr_size)
return 0;
info_ptr = file->dwarf_addr_buffer + offset;