linux-kernel - Re: [syzbot] [v9fs?] KMSAN: uninit-value in p9_client

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Message-ID: <tencent_7C336C9E5A1B9C4B9F1B7C251BBA77BB4008@qq.com>
Date: Mon,  8 Apr 2024 19:17:48 +0800
From: Edward Adam Davis <eadavis@...com>
To: syzbot+ff14db38f56329ef68df@...kaller.appspotmail.com
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [v9fs?] KMSAN: uninit-value in p9_client_rpc (2)

please test uv p9_client_rpc

#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

diff --git a/net/9p/client.c b/net/9p/client.c
index e265a0ca6bdd..cd525cee5885 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -235,6 +235,7 @@ static int p9_fcall_init(struct p9_client *c, struct p9_fcall *fc,
 	if (!fc->sdata)
 		return -ENOMEM;
 	fc->capacity = alloc_msize;
+	fc->tag = 0;
 	return 0;
 }