From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D21C1F4283 for ; Tue, 3 Dec 2024 16:28:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733243333; cv=none; b=OZzTlj45VB7TdLaBNusQe1nlZEfbLGYqHXRc6eVpx5erYE2GvwwzGgV/4SAskSJRmNS2YFTREMb39SD1VgjGwbFZoRVCMvpxstUf3WjAoXoOHHX8REnOfaWOzkM0JnJQR2U+Qs9infZuVXMc7O6s1LOIqWx5b1qooUhHocks33I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733243333; c=relaxed/simple; bh=9ruyO3AG5vzJV2tPGIagsYe01j0mujssPAIMbOy6MXc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=S/0c7AJbRERhS1fTreFQTcfYFYQpgcJB8vCVFhv/z/wWOhZ585CXQxAe4XALmiLnYCIVLlVUl+dQZ6eJjqAxKCIzLfW8tCo/448ELVczB4pfq84kFUfKXfAowKRBjtBrgSXMs9wtQIhGjlNJFTv4Mv6Z1voHGJkdMKeOPmuNkIg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.197 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f197.google.com with SMTP id e9e14a558f8ab-3a79afe7a0bso74181605ab.3 for ; Tue, 03 Dec 2024 08:28:51 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733243331; x=1733848131; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=pTP+8DumYLBklR/cXAble2rRMSiUG3Z1thGEVX+PbX4=; b=CUKf4gAxiyPkfx3umF6zAi+pedKmCDVM9Fv7hRX42N6qSdZ3TJlgE1xZxNGd0Ozfn7 gLpRmxLxzSAG+kjH4OuMFpQz78ZPuLg/CeL6Q3jTGmDWTFKoqVsUZgI+rIhn9QrVS8P8 n/T90WdSu6roblz+vGRrzLvI9q3jjy1fm5d4Q4oSqMrgcNGdvQbPOxuEfJpcwjiv6M4N 9OFe0yktOT7df8MJwwq3gn0Oi3QJ0oG4m6HOI6lRwEbytGQoPqQsm4YOpaD3Cl3B1UZY qgKIR8t55WPv0c8gH589KXSHtO2r3BahHlwR+RTRWhjyu+OWvSB+ZEGIGfa9cKAMB/Uu Fv0g== X-Gm-Message-State: AOJu0YwJWrni0ZU6OQaSY6YywnpLNownYoJtLp4QFgbG29dkhJqLJjNo hZBc56lR9kuvGIfCpQJ2O3dQ4FkCeh3dsQ0cpS3ppmNshvq0F45T8j2hWva1gRHs1sU0TLnJEJ4 8PkLZdQEfuIHMXnTrOz4MrK2iOJAdCHfb2xzBv5KFUs8WaCL6IddWT04= X-Google-Smtp-Source: AGHT+IETZbb/NTJoGaF3pJErx44+39YQqD21/QUyOJ76hktCs90eUzx9LtBc40XtmLx2UuUTHAHSSorM+u66KKh+vS7jIPFpwWWx Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20c1:b0:3a7:e86a:e803 with SMTP id e9e14a558f8ab-3a7f9a3b641mr43178415ab.8.1733243331219; Tue, 03 Dec 2024 08:28:51 -0800 (PST) Date: Tue, 03 Dec 2024 08:28:51 -0800 In-Reply-To: <674f1d49.050a0220.48a03.003b.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <674f31c3.050a0220.17bd51.0048.GAE@google.com> Subject: Re: [syzbot] Re: KMSAN: uninit-value in f2fs_new_node_page() From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: Re: KMSAN: uninit-value in f2fs_new_node_page() Author: dmantipov@yandex.ru #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git cdd30ebb1b9f36159d66f088b61aee264e649d7a diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h index 6aea13024ac1..7371c09174cb 100644 --- a/fs/f2fs/node.h +++ b/fs/f2fs/node.h @@ -105,6 +105,7 @@ static inline bool get_nat_flag(struct nat_entry *ne, unsigned int type) static inline void nat_reset_flag(struct nat_entry *ne) { + ne->ni.flag = 0; /* these states can be set only after checkpoint was done */ set_nat_flag(ne, IS_CHECKPOINTED, true); set_nat_flag(ne, HAS_FSYNCED_INODE, false); @@ -117,6 +118,7 @@ static inline void node_info_from_raw_nat(struct node_info *ni, ni->ino = le32_to_cpu(raw_ne->ino); ni->blk_addr = le32_to_cpu(raw_ne->block_addr); ni->version = raw_ne->version; + ni->flag = 0; } static inline void raw_nat_from_node_info(struct f2fs_nat_entry *raw_ne,