From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 8841523A6 for ; Wed, 13 Nov 2024 00:26:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731457567; cv=none; b=kOIAudCVfMqJu9YAV/+kyiBMVqxydHB/6bAOMc59Q0r55I3h9U6cnieG04AGk844eJRPD02bUmURpenjkyEUt3JjAPmlo5m3Y2KlpR4NgoQ5uR4qm5Z4UhH/O0akQ4mDMt7Ngg3Vu58x4Gt5w4pRfdPde4P5m3hDJXk5h7AZ/NM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731457567; c=relaxed/simple; bh=aS2Is9ZQ/xzhIZQkkp5NJZKCy09LJu/qMCCqpUVWOqE=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=O0JQHNt1/YgaMZz6vBBrUz331q3jC7njd2u1Hasw/+MHx2bm4sn3/udohEMj0xjmjxo4zD6I1g07ANrLyyhlvVZTx0quPv+OqM8s53q4BPiKwNvq/qm81cIcUlO7aubQ9WB78HQsSKyt6w1woQVpoijQrFWnjV5V0RokkFjfDnw= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-3a3e1ef9102so75541675ab.3 for ; Tue, 12 Nov 2024 16:26:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731457564; x=1732062364; 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=Wx6UwOIjgebHPG/IW8Frem6w/1sk6fZbDWO2MWfeuQ8=; b=Y97ch7hLrDkNAMjArv155zWtISl13Lhv1LMFxTQ3fF8i6++mJAoqLh/EmpQNRoU7MD oFH8bcYYN0a3wxlWtcmpo2fozpJMluPAX/1EWJPVB7aCgmYvoHQQ5LA+627VunZxwGhU TBNqQWf4e0ui6KLRC999HFxgeAVevvyULhMs6r7J6tSe49jiOLj1Gpzh6AJToGFw6oLI TUvoOD7EVirUgcPabnkIrXan/Iub3EB3p92J10moocOEhMRgh1EvxHWvqRJBhDAdrP6i DN8IjwgFaIvmRR+Z33AcLKyiGR0HETvmKVHxHjdxsCEODeNYqM7TowctA5t9WmFwr3d0 lg6g== X-Forwarded-Encrypted: i=1; AJvYcCVbAQn207EyJQ+lAHoHxSfuTLvjTCacSnJa5NHP2DhvBY9qVkmMUcjfIiV2Yz9+L93u/1n2qJ73e4HacqA=@vger.kernel.org X-Gm-Message-State: AOJu0YwGUmrk+UFxQj8rhllYWZ9MGzCDvCuxIzikqfp631RBsbOek5cT jSInteHvwajGZNs4EB7laLcELy9nTI5sB9PkyqyeSqulG+xCSZEngLBOS023jnFm8T6uFJ5bL+V FyheLEAxHKJpfFgmVQoKJvJIqLoyUmuBAUNmTrBa3Y39+xGxNiP/E7uY= X-Google-Smtp-Source: AGHT+IGuXdpZUeMwiOCcCmnYgMyAs3RKYJguHeZGUNZi47/Jp1CAlclzq559kggDf5Ad4y/ngWDlEnWRkwu1gCfmLJHrIHEP96rI Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:218a:b0:3a6:c98d:86bc with SMTP id e9e14a558f8ab-3a7156db5b5mr11333955ab.1.1731457564650; Tue, 12 Nov 2024 16:26:04 -0800 (PST) Date: Tue, 12 Nov 2024 16:26:04 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6733f21c.050a0220.2a2fcc.0001.GAE@google.com> Subject: Re: [syzbot] [hfs?] KMSAN: uninit-value in __hfs_ext_cache_extent (2) From: syzbot To: gianf.trad@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel BUG in hfs_write_inode ------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:444! Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 1 UID: 0 PID: 34 Comm: kworker/u8:2 Not tainted 6.12.0-rc7-syzkaller-00040-g14b6320953a3-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:hfs_write_inode+0xe81/0xe90 fs/hfs/inode.c:444 Code: e9 f4 fd ff ff 8b 3a e8 7d 43 31 ff e9 02 fe ff ff 49 89 d6 8b 7d c8 e8 2d 3f 31 ff 41 89 06 e9 26 fe ff ff e8 b0 2d 98 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffff8881003d75c0 EFLAGS: 00010293 RAX: ffffffff831cc480 RBX: 0000000000000000 RCX: ffff8881003dc180 RDX: 0000000000000000 RSI: ffffffff91870dd0 RDI: 0000000000000000 RBP: ffff8881003d76a8 R08: 0000000000000007 R09: ffffffff831cb73c R10: 0000000000000003 R11: ffff8881003dc180 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888040cb0a70 R15: ffff8881003dccb8 FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdea70dd18 CR3: 00000001151bc000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1503 [inline] __writeback_single_inode+0x8da/0x1290 fs/fs-writeback.c:1723 writeback_sb_inodes+0xa34/0x1c20 fs/fs-writeback.c:1954 wb_writeback+0x4df/0xcb0 fs/fs-writeback.c:2134 wb_do_writeback fs/fs-writeback.c:2281 [inline] wb_workfn+0x40b/0x1940 fs/fs-writeback.c:2321 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3310 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3391 kthread+0x3e2/0x540 kernel/kthread.c:389 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_write_inode+0xe81/0xe90 fs/hfs/inode.c:444 Code: e9 f4 fd ff ff 8b 3a e8 7d 43 31 ff e9 02 fe ff ff 49 89 d6 8b 7d c8 e8 2d 3f 31 ff 41 89 06 e9 26 fe ff ff e8 b0 2d 98 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffff8881003d75c0 EFLAGS: 00010293 RAX: ffffffff831cc480 RBX: 0000000000000000 RCX: ffff8881003dc180 RDX: 0000000000000000 RSI: ffffffff91870dd0 RDI: 0000000000000000 RBP: ffff8881003d76a8 R08: 0000000000000007 R09: ffffffff831cb73c R10: 0000000000000003 R11: ffff8881003dc180 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888040cb0a70 R15: ffff8881003dccb8 FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdea70dd18 CR3: 00000001151bc000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Tested on: commit: 14b63209 Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14ad81a7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=9d2d076474187685 dashboard link: https://syzkaller.appspot.com/bug?extid=d395b0c369e492a17530 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=127101a7980000