This is the mail archive of the binutils-cvs@sourceware.org mailing list for the binutils project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[binutils-gdb/binutils-2_27-branch] PowerPC64 ld segfault with code in non-executable sections


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=24ef2be9b6ca8276a62b3f60f845f4c8bb6194dd

commit 24ef2be9b6ca8276a62b3f60f845f4c8bb6194dd
Author: Alan Modra <amodra@gmail.com>
Date:   Tue Aug 2 23:28:47 2016 +0930

    PowerPC64 ld segfault with code in non-executable sections
    
    	PR ld/20428
    	* elf64-ppc.c (ppc_get_stub_entry): Don't segfault on NULL group.

Diff:
---
 bfd/ChangeLog   | 5 +++++
 bfd/elf64-ppc.c | 2 ++
 2 files changed, 7 insertions(+)

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 1e08f3d..1230b1c 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2016-08-02  Alan Modra  <amodra@gmail.com>
+
+	PR ld/20428
+	* elf64-ppc.c (ppc_get_stub_entry): Don't segfault on NULL group.
+
 2016-07-27  Nick Clifton  <nickc@redhat.com>
 
 	* Import this patch from the mainline:
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index e06b576..d7af888 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -4505,6 +4505,8 @@ ppc_get_stub_entry (const asection *input_section,
      more than one stub used to reach say, printf, and we need to
      distinguish between them.  */
   group = htab->sec_info[input_section->id].u.group;
+  if (group == NULL)
+    return NULL;
 
   if (h != NULL && h->u.stub_cache != NULL
       && h->u.stub_cache->h == h


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]