diff options
-rw-r--r-- | gdb/ChangeLog | 4 | ||||
-rw-r--r-- | gdb/dwarf2/read.c | 4 |
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)); |