diff options
Diffstat (limited to 'gdb/dwarf2read.c')
| -rw-r--r-- | gdb/dwarf2read.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 75d81e9726b..5f0ec27036b 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -2314,7 +2314,7 @@ dwarf2_get_pc_bounds (struct die_info *die, CORE_ADDR *lowpc, unsigned int addr_size = cu_header->addr_size; CORE_ADDR mask = ~(~(CORE_ADDR)1 << (addr_size * 8 - 1)); /* Value of the DW_AT_ranges attribute is the offset in the - .debug_renges section. */ + .debug_ranges section. */ unsigned int offset = DW_UNSND (attr); /* Base address selection entry. */ CORE_ADDR base; @@ -2327,6 +2327,14 @@ dwarf2_get_pc_bounds (struct die_info *die, CORE_ADDR *lowpc, found_base = cu_header->base_known; base = cu_header->base_address; + + if (offset >= dwarf_ranges_size) + { + complaint (&symfile_complaints, + "Offset %d out of bounds for DW_AT_ranges attribute", + offset); + return 0; + } buffer = dwarf_ranges_buffer + offset; /* Read in the largest possible address. */ |