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[binutils-gdb] PR 21409, segfault in _bfd_dwarf2_find_nearest_line
- From: Alan Modra <amodra at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 23 Apr 2017 11:53:18 -0000
- Subject: [binutils-gdb] PR 21409, segfault in _bfd_dwarf2_find_nearest_line
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=97e83a100aa8250be783304bfe0429761c6e6b6b
commit 97e83a100aa8250be783304bfe0429761c6e6b6b
Author: Alan Modra <amodra@gmail.com>
Date: Sun Apr 23 13:55:49 2017 +0930
PR 21409, segfault in _bfd_dwarf2_find_nearest_line
PR 21409
* dwarf2.c (_bfd_dwarf2_find_nearest_line): Don't segfault when
no symbols.
Diff:
---
bfd/ChangeLog | 6 ++++++
bfd/dwarf2.c | 2 +-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index ba2d134..7a389b1 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2017-04-23 Alan Modra <amodra@gmail.com>
+
+ PR 21409
+ * dwarf2.c (_bfd_dwarf2_find_nearest_line): Don't segfault when
+ no symbols.
+
2017-04-21 H.J. Lu <hongjiu.lu@intel.com>
PR ld/21402
diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c
index 132a674..0ef3e1f 100644
--- a/bfd/dwarf2.c
+++ b/bfd/dwarf2.c
@@ -4205,7 +4205,7 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
looking up the function by section + offset uses the
DW_AT_decl_line from the function DW_TAG_subprogram for the line,
which will be the line of the function name. */
- if ((section->flags & SEC_CODE) == 0)
+ if (symbols != NULL && (section->flags & SEC_CODE) == 0)
{
asymbol **tmp;