linux-kernel - Re: [syzbot] [PATCH] Re: [syzbot] [jfs?] KMSAN: uninit-value in BT_STACK

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Message-ID: <681a07ee.050a0220.a19a9.000a.GAE@google.com>
Date: Tue, 06 May 2025 06:00:30 -0700
From: syzbot <syzbot+ba5f49027aace342d24d@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org
Subject: Re: [syzbot] [PATCH] Re: [syzbot] [jfs?] KMSAN: uninit-value in BT_STACK_DUMP

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***

Subject: [PATCH] Re: [syzbot] [jfs?] KMSAN: uninit-value in BT_STACK_DUMP
Author: richard120310@...il.com

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 02ddfb981de8

Signed-off-by: I Hsin Cheng <richard120310@...il.com>
---
 fs/jfs/namei.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 65a218eba8fa..937a7fae0e31 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1448,7 +1448,7 @@ static int jfs_mknod(struct mnt_idmap *idmap, struct inode *dir,
 
 static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, unsigned int flags)
 {
-	struct btstack btstack;
+	struct btstack btstack = {0};
 	ino_t inum;
 	struct inode *ip;
 	struct component_name key;
-- 
2.43.0