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authorGary Benson <gbenson@redhat.com>2018-10-09 14:13:12 +0100
committerGary Benson <gbenson@redhat.com>2018-10-09 14:13:12 +0100
commit04fd5eed91c0a960e1706fb627912ad6350ae391 (patch)
treefa22e7c3085d31fca32e1b76663aa58ecc9a9a09 /gdb/dwarf2read.c
parent1c2649ed7481881cb963bb53251a79bfb8b1047e (diff)
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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.
Diffstat (limited to 'gdb/dwarf2read.c')
-rw-r--r--gdb/dwarf2read.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index c952996..2a1b805 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));