From 37b09cf2aacc884a88e86c833334eb0f92983f7e Mon Sep 17 00:00:00 2001
From: Suraj Sonawane <surajsonawane0215@gmail.com>
Date: Sun, 10 Nov 2024 15:32:19 +0530
Subject: [PATCH] v5KMSAN: fix uninit-value in bch2_copygc
fix
Signed-off-by: Suraj Sonawane <surajsonawane0215@gmail.com>
---
fs/bcachefs/movinggc.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/fs/bcachefs/movinggc.c b/fs/bcachefs/movinggc.c
index d658be90f..2f43d9ec7 100644
--- a/fs/bcachefs/movinggc.c
+++ b/fs/bcachefs/movinggc.c
@@ -158,6 +158,20 @@ static int bch2_copygc_get_buckets(struct moving_context *ctxt,
move_buckets_wait(ctxt, buckets_in_flight, false);
+ if (!buckets_in_flight || !buckets_in_flight->nr) {
+ // Initialize the structure
+ buckets_in_flight->nr = 0;
+ buckets_in_flight->sectors = 0;
+ buckets_in_flight->first = NULL;
+ buckets_in_flight->last = NULL;
+
+ // Explicitly initialize the hash table instead of memset
+ ret = rhashtable_init(&buckets_in_flight->table, &bch_move_bucket_params);
+ if (ret) {
+ return ret;
+ }
+ }
+
ret = bch2_btree_write_buffer_tryflush(trans);
if (bch2_err_matches(ret, EROFS))
return ret;
--
2.34.1