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b=sK5e1B2EEKDnM7M8L9jD7YM8XVTrmDUbnMPmGCkOVGvM+1GsNjq45hhxOIwA32d9w Qrrlpz5R6JDIBgkCFtXr26NBanBhMDOjw6/whQ87INEePVdtbit1BzxY5edCpT16fr b44F3q+TKf4srJSjgIzJbZxe4jMV7c5rlpsy9mCc= Received: from pek-lxu-l1.wrs.com ([111.198.228.153]) by newxmesmtplogicsvrszc5-2.qq.com (NewEsmtp) with SMTP id C8014CA5; Sun, 31 Mar 2024 07:50:00 +0800 X-QQ-mid: xmsmtpt1711842600tc0wiwbpc Message-ID: X-QQ-XMAILINFO: NvH2zBBgt3uT6SfvEicVD2I1TWzPLBAfz//1XznTKBObbY+5LivoG7cAYOVoYM 0inrSzR0XCUgqM4ZzLAWv2fNiWM3fZGIseGKdZwIYDe0UZaiisOt5wDUCiVr2cVrkb/5kXRz2AdN JBPMnVue1tsWsAqtnkm7PkBxPcQc7yNisRR1+mrdwr198le61L+zjR0s+NqT0OS73YIIHD9/K29O 3rRUcuBzSmvvC7u+7kvDUf9DGL+OEPr+4GDM88V+x4lMLc08xFzk85hbWH7aJ071QpeLIHXOqkVm lOJm7+qc6CrkaMFy97NzDk/d0vFiqpU6VPkhGnWMskuucPU3MRzsZuU6jZcQOFziYru+0K//oXYC mX7DrxUO6Cy+4jm1S8gyZCYz/NdGswuHZpHk9O1GYKWV+bkBBulQhp5WWVn6dMhbMizQzl3VlXLB mp+IgYCaSyMGZjxbIPmElxjzqsYbe1tPJ6wdMqqnoMBlwYJkEpT5IfCY7g1EkzBor+FsQUURHX2t 9ggx7pL1H10U/XtWkG4ygVwysbzP/92FeyPrG38CayEatwhIAgifhNwAIpqKTcNACf5h/XdJWsHV 0ELwGPGuIc4OjmPR6YdD25pl2APwJAwsCBpEBnzUGaq26iCzK7HGMJogwJDwuVnFwMZ6PhsvUWaw OIVwEsMHdjHgM2hRVDEx9c9f8kTOCsrBhx0N04HPV5iQdnX9Efl8b9BzAZC88/vcN2HR0tQpEkYd pqGYc6ylIk3pBubU3ZVk7XP6mZdy+3VgkQuHaj5h/L1ZD80vEjXWzK24rQDNx7tLPa7T15uRbwEj AgvJGdnFpkdqrf7FRdlwAuNv1BPSBoV3varFONgaZUMIEsIfunDtAAfpFZZ5WWZmUQV3SuHQUV7q DgUnT+PakMB8VGobOnAST1N+vtoRdHj4z74DeCtK6rG7431vXoFtNg7sekgIH5og== X-QQ-XMRINFO: Nq+8W0+stu50PRdwbJxPCL0= From: Edward Adam Davis To: syzbot+ff14db38f56329ef68df@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [v9fs?] KMSAN: uninit-value in p9_client_rpc (2) Date: Sun, 31 Mar 2024 07:49:59 +0800 X-OQ-MSGID: <20240330234958.614313-2-eadavis@qq.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <000000000000a77e580614ded85a@google.com> References: <000000000000a77e580614ded85a@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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..30e183b880d5 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -292,6 +292,7 @@ p9_tag_alloc(struct p9_client *c, int8_t type, uint t_size, uint r_size, if (!req) return ERR_PTR(-ENOMEM); + memset(req, 0, sizeof(req)); if (p9_fcall_init(c, &req->tc, alloc_tsize)) goto free_req; if (p9_fcall_init(c, &req->rc, alloc_rsize))