in_tail: avoid double free for multiline msgpack buffer

Signed-off-by: Rayhan Hossain <[email protected]>
fluent · Oct 27, 2021 · 9659e61 · 9659e61
1 parent 4725fb2
commit 9659e61
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/plugins/in_tail/tail_multiline.c b/plugins/in_tail/tail_multiline.c
@@ -489,6 +489,7 @@ int flb_tail_mult_flush(msgpack_sbuffer *mp_sbuf, msgpack_packer *mp_pck,
     file->mult_keys = 0;
     file->mult_flush_timeout = 0;
     msgpack_sbuffer_destroy(&file->mult_sbuf);
+    file->mult_sbuf.data = NULL;
     flb_time_zero(&file->mult_time);
 
     return 0;