patch 8.0.1404: invalid memory access on exitv8.0.1404

Problem:    Invalid memory access on exit when autocommands wipe out a buffer.
            (gy741, Dominique Pelle)
Solution:   Check if the buffer is still valid. (closes #2449)

1 files changed, 6 insertions, 1 deletions

diff --git a/src/main.c b/src/main.c
index e8006c30b..bfcc3e517 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1432,9 +1432,14 @@ getout(int exitval)
 		buf = wp->w_buffer;
 		if (CHANGEDTICK(buf) != -1)
 		{
+		    bufref_T bufref;
+
+		    set_bufref(&bufref, buf);
 		    apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname,
 						    buf->b_fname, FALSE, buf);
-		    CHANGEDTICK(buf) = -1;  /* note that we did it already */
+		    if (bufref_valid(&bufref))
+			CHANGEDTICK(buf) = -1;  /* note we did it already */
+
 		    /* start all over, autocommands may mess up the lists */
 		    next_tp = first_tabpage;
 		    break;