libbacktrace/

2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com> * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to avoid possible crash. (elf_add): Don't set *fileline_fn to elf_nodebug value in case of missing debug info anymore. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@233911 138bc75d-0d04-0410-961f-82ee72b054a4
gcc-mirror · Mar 2, 2016 · 047a1c2 · 047a1c2
1 parent 901faaa
commit 047a1c2
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
@@ -1,3 +1,10 @@
+2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
+
+	* elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
+	avoid possible crash.
+	(elf_add): Don't set *fileline_fn to elf_nodebug value in case of
+	missing debug info anymore.
+
 2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
 
 	* mmap.c (MAP_FAILED): Define if not defined.

diff --git a/libbacktrace/elf.c b/libbacktrace/elf.c
@@ -791,7 +791,6 @@ elf_add (struct backtrace_state *state, int descriptor, uintptr_t base_address,
     {
       if (!backtrace_close (descriptor, error_callback, data))
 	goto fail;
-      *fileline_fn = elf_nodebug;
       return 1;
     }
 
@@ -925,7 +924,7 @@ backtrace_initialize (struct backtrace_state *state, int descriptor,
   int ret;
   int found_sym;
   int found_dwarf;
-  fileline elf_fileline_fn;
+  fileline elf_fileline_fn = elf_nodebug;
   struct phdr_data pd;
 
   ret = elf_add (state, descriptor, 0, error_callback, data, &elf_fileline_fn,