Re: [syzbot] [fuse?] KMSAN: uninit-value in fuse_fileattr_get
From: Qing Wang
Date: Thu Feb 05 2026 - 22:46:51 EST
#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;