From: Gary Benson Date: Tue, 9 Oct 2018 13:13:12 +0000 (+0100) Subject: Fix buffer overrun found by Coverity X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=04fd5eed91c0a960e1706fb627912ad6350ae391;p=binutils-gdb.git Fix buffer overrun found by Coverity This commit fixes a buffer overrun found by Coverity, where 36 bytes are written into a 24 byte buffer. gdb/ChangeLog: * dwarf2read.c (create_dwp_hash_table): Fix buffer overrun found by Coverity. --- diff --git a/gdb/ChangeLog b/gdb/ChangeLog index e8deee899ed..f37070ea484 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2018-10-09 Gary Benson + + * dwarf2read.c (create_dwp_hash_table): Fix buffer overrun + found by Coverity. + 2018-10-08 Tom Tromey * riscv-fbsd-tdep.c (riscv_fbsd_sigframe_init): Remove unused diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index c952996f4de..2a1b805c9a7 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -12196,6 +12196,7 @@ create_dwp_hash_table (struct dwarf2_per_objfile *dwarf2_per_objfile, { const gdb_byte *ids_ptr = htab->unit_table + sizeof (uint32_t) * nr_slots; int *ids = htab->section_pool.v2.section_ids; + size_t sizeof_ids = sizeof (htab->section_pool.v2.section_ids); /* Reverse map for error checking. */ int ids_seen[DW_SECT_MAX + 1]; int i; @@ -12212,8 +12213,8 @@ create_dwp_hash_table (struct dwarf2_per_objfile *dwarf2_per_objfile, " in section table [in module %s]"), dwp_file->name); } - memset (ids, 255, (DW_SECT_MAX + 1) * sizeof (int32_t)); - memset (ids_seen, 255, (DW_SECT_MAX + 1) * sizeof (int32_t)); + memset (ids, 255, sizeof_ids); + memset (ids_seen, 255, sizeof (ids_seen)); for (i = 0; i < nr_columns; ++i) { int id = read_4_bytes (dbfd, ids_ptr + i * sizeof (uint32_t));