aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gdb/ChangeLog4
-rw-r--r--gdb/dwarf2/read.c4
2 files changed, 7 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index dcbfc77..c71492d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,9 @@
2021-02-02 Simon Marchi <simon.marchi@efficios.com>
+ * dwarf2/read.c (read_rnglist_index): Fix bound check.
+
+2021-02-02 Simon Marchi <simon.marchi@efficios.com>
+
* dwarf2/read.c (read_loclist_index): Change complaints into
errors.
diff --git a/gdb/dwarf2/read.c b/gdb/dwarf2/read.c
index a9f7ce3..9a71329 100644
--- a/gdb/dwarf2/read.c
+++ b/gdb/dwarf2/read.c
@@ -20257,6 +20257,8 @@ read_rnglist_index (struct dwarf2_cu *cu, ULONGEST rnglist_index,
: RNGLIST_HEADER_SIZE64);
ULONGEST rnglist_base =
(cu->dwo_unit != nullptr) ? rnglist_header_size : cu->ranges_base;
+
+ /* Offset in .debug_rnglists of the offset for RNGLIST_INDEX. */
ULONGEST start_offset =
rnglist_base + rnglist_index * cu->header.offset_size;
@@ -20285,7 +20287,7 @@ read_rnglist_index (struct dwarf2_cu *cu, ULONGEST rnglist_index,
objfile_name (objfile));
/* Validate that reading won't go beyond the end of the section. */
- if (start_offset + cu->header.offset_size > rnglist_base + section->size)
+ if (start_offset + cu->header.offset_size > section->size)
error (_("Reading DW_FORM_rnglistx index beyond end of"
".debug_rnglists section [in module %s]"),
objfile_name (objfile));