linux-kernel - Re: [syzbot] [fs?] KMSAN: uninit-value in full_proxy_unlocked

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Message-ID: <tencent_2D66063C753604966437E44B8A7423769B09@qq.com>
Date: Mon,  3 Feb 2025 09:54:06 +0800
From: Edward Adam Davis <eadavis@...com>
To: syzbot+8928e473a91452caca2f@...kaller.appspotmail.com
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [fs?] KMSAN: uninit-value in full_proxy_unlocked_ioctl

#syz test

diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index e33cc77699cd..5fbefce2b372 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -102,6 +102,7 @@ static int __debugfs_file_get(struct dentry *dentry, enum dbgfs_get_mode mode)
 		if (!fsd)
 			return -ENOMEM;
 
+		fsd->methods = 0;
 		if (mode == DBGFS_GET_SHORT) {
 			const struct debugfs_short_fops *ops;
 			ops = fsd->short_fops = DEBUGFS_I(inode)->short_fops;