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Thu, 05 Feb 2026 19:46:35 -0800 (PST) From: Qing Wang To: syzbot+7c31755f2cea07838b0c@syzkaller.appspotmail.com Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, miklos@szeredi.hu, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [fuse?] KMSAN: uninit-value in fuse_fileattr_get Date: Fri, 6 Feb 2026 11:46:31 +0800 Message-Id: <20260206034631.1189468-1-wangqing7171@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <698561f9.a00a0220.34fa92.0022.GAE@google.com> References: <698561f9.a00a0220.34fa92.0022.GAE@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 #syz test diff --git a/fs/file_attr.c b/fs/file_attr.c index 13cdb31a3e94..4f514e487e35 100644 --- a/fs/file_attr.c +++ b/fs/file_attr.c @@ -413,6 +413,7 @@ SYSCALL_DEFINE5(file_getattr, int, dfd, const char __user *, filename, return error; } + memset(&fa, 0, sizeof(struct file_kattr)); error = vfs_fileattr_get(filepath.dentry, &fa); if (error == -ENOIOCTLCMD || error == -ENOTTY) error = -EOPNOTSUPP;