1 files changed, 61 insertions, 0 deletions
diff --git a/debian/patches/upstream/patch-8.2.3403-memory-leak-for-retab-with-invalid-argumen.patch b/debian/patches/upstream/patch-8.2.3403-memory-leak-for-retab-with-invalid-argumen.patch
new file mode 100644
index 0000000..a02728b
--- /dev/null
+++ b/debian/patches/upstream/patch-8.2.3403-memory-leak-for-retab-with-invalid-argumen.patch
@@ -0,0 +1,61 @@
+From: Bram Moolenaar <Bram@vim.org>
+Date: Sat, 4 Sep 2021 21:20:41 +0200
+Subject: patch 8.2.3403: memory leak for :retab with invalid argument
+
+Problem:    Memory leak for :retab with invalid argument.
+Solution:   Free the memory.  Make error messages consistent.
+---
+ src/indent.c  | 13 +++++++++++--
+ src/version.c |  1 +
+ 2 files changed, 12 insertions(+), 2 deletions(-)
+
+diff --git a/src/indent.c b/src/indent.c
+index 9209a39..a43413c 100644
+--- a/src/indent.c
++++ b/src/indent.c
+@@ -70,9 +70,12 @@ tabstop_set(char_u *var, int **array)
+     {
+ 	int n = atoi((char *)cp);
+ 
++	// Catch negative values, overflow and ridiculous big values.
+ 	if (n < 0 || n > 9999)
+ 	{
+ 	    semsg(_(e_invarg2), cp);
++	    vim_free(*array);
++	    *array = NULL;
+ 	    return FAIL;
+ 	}
+ 	(*array)[t++] = n;
+@@ -1584,12 +1587,18 @@ ex_retab(exarg_T *eap)
+     else
+ 	new_ts_str = vim_strnsave(new_ts_str, eap->arg - new_ts_str);
+ #else
+-    new_ts = getdigits(&(eap->arg));
+-    if (new_ts < 0)
++    ptr = eap->arg;
++    new_ts = getdigits(&ptr);
++    if (new_ts < 0 && *eap->arg == '-')
+     {
+ 	emsg(_(e_positive));
+ 	return;
+     }
++    if (new_ts < 0 || new_ts > 9999)
++    {
++	semsg(_(e_invarg2), eap->arg);
++	return;
++    }
+     if (new_ts == 0)
+ 	new_ts = curbuf->b_p_ts;
+ #endif
+diff --git a/src/version.c b/src/version.c
+index c5617f6..c3c64d5 100644
+--- a/src/version.c
++++ b/src/version.c
+@@ -5632,6 +5632,7 @@ static int included_patches[] =
+ static char *(extra_patches[]) =
+ {   /* Add your patch description below this line */
+     "8.2.3402",
++    "8.2.3403",
+ /**/
+     NULL
+ };