Re: [syzbot] [f2fs?] general protection fault in f2fs_in_warm_node_list

[Qing Wang]

#syz test

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 338df7a2aea6..e2b751944c1d 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -397,7 +397,7 @@ static void f2fs_write_end_io(struct bio *bio)
 				wq_has_sleeper(&sbi->cp_wait))
 			wake_up(&sbi->cp_wait);
 
-		if (f2fs_in_warm_node_list(sbi, folio))
+		if (sbi->node_inode && f2fs_in_warm_node_list(sbi, folio))
 			f2fs_del_fsync_node_entry(sbi, folio);
 		folio_clear_f2fs_gcing(folio);
 		folio_end_writeback(folio);