From 94e12bd4d9b7de6cc4a084c7b453a0e26210f56e Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Thu, 28 Jun 2018 20:54:04 +0000 Subject: [PATCH] runtime: don't stat a NULL filename Noticed in https://gcc.gnu.org/PR86331. Reviewed-on: https://go-review.googlesource.com/121417 From-SVN: r262234 --- gcc/go/gofrontend/MERGE | 2 +- libgo/runtime/go-caller.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE index 3d825803ae8..237c46d9a66 100644 --- a/gcc/go/gofrontend/MERGE +++ b/gcc/go/gofrontend/MERGE @@ -1,4 +1,4 @@ -baaaf1e0f1e9a54ea2dfe475154c85c83ec03740 +e1fcce0aec27b1f50ac0e736f39f4c806c2a5baa The first line of this file holds the git revision number of the last merge done from the gofrontend repository. diff --git a/libgo/runtime/go-caller.c b/libgo/runtime/go-caller.c index 6b26ddccbcf..7f36955c069 100644 --- a/libgo/runtime/go-caller.c +++ b/libgo/runtime/go-caller.c @@ -116,7 +116,7 @@ __go_get_backtrace_state () argv[0] (http://gcc.gnu.org/PR61895). It would be nice to have a better check for whether this file is the real executable. */ - if (stat (filename, &s) < 0 || s.st_size < 1024) + if (filename != NULL && (stat (filename, &s) < 0 || s.st_size < 1024)) filename = NULL; back_state = backtrace_create_state (filename, 1, error_callback, NULL); -- 2.30.2