libbacktrace: don't free ELF strtab if error occurs after saving syminfo

	* elf.c (elf_add): Don't free strtab if an error occurs after
	recording symbol information.

diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index 6fa15fc4e96a8d90ce96a4de3e7c4ae2eb6ac847..13d907011d8e2c47c9e4108166c3f1e74d5c90ca 100644 (file)
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,8 @@
+2020-05-09  Ian Lance Taylor  <iant@golang.org>
+
+       * elf.c (elf_add): Don't free strtab if an error occurs after
+       recording symbol information.
+
 2020-05-09  Ian Lance Taylor  <iant@golang.org>
 
        PR libbacktrace/88745

diff --git a/libbacktrace/elf.c b/libbacktrace/elf.c
index eb481c588e7e8e35499c141fdbe20c15cdca520b..1216af86fd9c8c11bb751b558622fb6cbc911e38 100644 (file)
--- a/libbacktrace/elf.c
+++ b/libbacktrace/elf.c
@@ -3011,6 +3011,7 @@ elf_add (struct backtrace_state *state, const char *filename, int descriptor,
         string table permanently.  */
       backtrace_release_view (state, &symtab_view, error_callback, data);
       symtab_view_valid = 0;
+      strtab_view_valid = 0;
 
       *found_sym = 1;