From: Kent Overstreet <kent.overstreet@linux.dev>
Date: Fri, 21 Mar 2025 15:30:09 +0000 (-0400)
Subject: bcachefs: zero init journal bios
X-Git-Tag: v6.15-rc1~146^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5ae6f33053af6e904e609593d05e4faf3aeb16fb;p=thirdparty%2Fkernel%2Flinux.git

bcachefs: zero init journal bios

fix a kmsan splat

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---

diff --git a/fs/bcachefs/journal.c b/fs/bcachefs/journal.c
index ce73026955470..bfdaea6569ae4 100644
--- a/fs/bcachefs/journal.c
+++ b/fs/bcachefs/journal.c
@@ -1510,7 +1510,7 @@ int bch2_dev_journal_init(struct bch_dev *ca, struct bch_sb *sb)
 	unsigned nr_bvecs = DIV_ROUND_UP(JOURNAL_ENTRY_SIZE_MAX, PAGE_SIZE);
 
 	for (unsigned i = 0; i < ARRAY_SIZE(ja->bio); i++) {
-		ja->bio[i] = kmalloc(struct_size(ja->bio[i], bio.bi_inline_vecs,
+		ja->bio[i] = kzalloc(struct_size(ja->bio[i], bio.bi_inline_vecs,
 				     nr_bvecs), GFP_KERNEL);
 		if (!ja->bio[i])
 			return -BCH_ERR_ENOMEM_dev_journal_init;