patch 8.2.4938: crash when matching buffer with invalid pattern
Problem: Crash when matching buffer with invalid pattern.
Solution: Check for NULL regprog.
diff --git a/src/buffer.c b/src/buffer.c
index 35711f5..dfdb0c4 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -2932,7 +2932,7 @@
// First try the short file name, then the long file name.
match = fname_match(rmp, buf->b_sfname, ignore_case);
- if (match == NULL)
+ if (match == NULL && rmp->regprog != NULL)
match = fname_match(rmp, buf->b_ffname, ignore_case);
return match;
diff --git a/src/testdir/test_buffer.vim b/src/testdir/test_buffer.vim
index aea3995..55ef0fd 100644
--- a/src/testdir/test_buffer.vim
+++ b/src/testdir/test_buffer.vim
@@ -415,6 +415,10 @@
vsplit 0000000
silent! buf [0--]\&\zs*\zs*e
bwipe!
+
+ vsplit 00000000000000000000000000
+ silent! buf [0--]\&\zs*\zs*e
+ bwipe!
endfunc
" Test for the 'maxmem' and 'maxmemtot' options
diff --git a/src/version.c b/src/version.c
index 8cc9ceb..0a3a5df 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 4938,
+/**/
4937,
/**/
4936,