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-rw-r--r--ChangeLog3
-rw-r--r--Src/builtin.c4
-rw-r--r--Src/exec.c2
3 files changed, 8 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 5abaf9537..da1ece42a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2017-01-11  Peter Stephenson  <p.stephenson@samsung.com>
 
+	* unposted: Src/builtin.c, Src/exec.c: be more careful to free
+	memory when updating filename in struct shfunc.
+
 	* 40327 (with minor fixes): Doc/Zsh/builtins.yo,
 	README,Src/builtin.c, Src/exec.c, Src/hashtable.c, Src/parse.c,
 	Src/zsh.h, Test/C04funcdef.ztst: add ability to autoload
diff --git a/Src/builtin.c b/Src/builtin.c
index 78d67ca8e..b986dd89a 100644
--- a/Src/builtin.c
+++ b/Src/builtin.c
@@ -3275,8 +3275,10 @@ bin_functions(char *name, char **argv, Options ops, int func)
 		shf = (Shfunc) zshcalloc(sizeof *shf);
 		shfunctab->addnode(shfunctab, ztrdup(funcname), shf);
 	    }
-	    if (*argv)
+	    if (*argv) {
+		zsfree(shf->filename);
 		shf->filename = ztrdup(*argv);
+	    }
 	    shf->node.flags = on;
 	    ret = eval_autoload(shf, funcname, ops, func);
 	}
diff --git a/Src/exec.c b/Src/exec.c
index a41d05b41..7bec7ce48 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -5204,6 +5204,7 @@ loadautofn(Shfunc shf, int fksh, int autol, int current_fpath)
 	    else
 		shf->funcdef = dupeprog(prog, 0);
 	    shf->node.flags &= ~PM_UNDEFINED;
+	    zsfree(shf->filename);
 	    shf->filename = fname;
 	} else {
 	    VARARR(char, n, strlen(shf->node.nam) + 1);
@@ -5227,6 +5228,7 @@ loadautofn(Shfunc shf, int fksh, int autol, int current_fpath)
 	else
 	    shf->funcdef = dupeprog(stripkshdef(prog, shf->node.nam), 0);
 	shf->node.flags &= ~PM_UNDEFINED;
+	zsfree(shf->filename);
 	shf->filename = fname;
     }
     popheap();