diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/dwarf2loc.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 630f86b..fec7528 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2013-11-15 Andreas Arnez <arnez@linux.vnet.ibm.com> + + * dwarf2loc.c (chain_candidate): Prevent invoking memcpy with + NULL. + 2013-11-15 Tom Tromey <tromey@redhat.com> PR c++/16117: diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c index 8b6eb66..2879ead 100644 --- a/gdb/dwarf2loc.c +++ b/gdb/dwarf2loc.c @@ -761,8 +761,9 @@ chain_candidate (struct gdbarch *gdbarch, struct call_site_chain **resultp, * (length - 1)); result->length = length; result->callers = result->callees = length; - memcpy (result->call_site, VEC_address (call_sitep, chain), - sizeof (*result->call_site) * length); + if (!VEC_empty (call_sitep, chain)) + memcpy (result->call_site, VEC_address (call_sitep, chain), + sizeof (*result->call_site) * length); *resultp = result; if (entry_values_debug) |