From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 8F03D84A2B for ; Fri, 23 Feb 2024 16:46:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708706766; cv=none; b=sR5rym5w7IKxIfPqhsOBNZ7HW87SuEn8qv10tjqxnceXAwGHBXAg3Ow3nia8gji4lebzfbdW69CJqBzy25ypoEf56cZsFiCxV9b6eEfqZBzmwuEL6FDKx5TF4xcXLW2vvmceY+cFeuepq3qheX9hc4Vc/mShtsQ0h0G5M6yQKi4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708706766; c=relaxed/simple; bh=qQXXCJnEn0gEmCgei4EJtGTcYDFQeydarbbINEJ98wc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=QrkNDntx1XuuDtfxPZjtTuBtQCakwEce2o7kiGpCSPPO9ppvi2zSVdfQ/2f3Xq/LRmJeYZcObARrNgkms0LoL2MBOsTMe3GQybvyZAO8MqaEF7UB7UwYTyB/LSdwv2lwSFL20vOktxF8aYQmBzZLHW0vBc1P/0VlYGTmbKEtEHQ= 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=209.85.166.71 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-io1-f71.google.com with SMTP id ca18e2360f4ac-7c75dee76c0so95080339f.1 for ; Fri, 23 Feb 2024 08:46:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708706763; x=1709311563; 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=5ceXc2lDEn8+HQNQqoepYTtPf4nu6XaifYXdeQUwtmA=; b=ZEHYws4qnH5eiaO/cm3sipwptpfnbE8xylzNON2N4ymaisPKZyMkCBMQEb7W1mT61T ALkR4H7Y4ay89Op/exBSkrxV2Slb5eWnoxCF58E15qGrwW18xsaFE1yz6/b8heboNaW8 xbhyMRsXtGSdrQCwSMETYV/8ceosrhW4AQHH0ovyQkfkyPKwX5aPmqZyUqWpvlVN7p2O PgAbXrtdsT0Hb+U27hpKznZygMaKpA7/g4nyTynKAUVy4VikbktcL6iMEXaPNIYnn7KY 1dTgo9wVkXjVgCJaixI4310AuFOKI4uTEfoGvV0Zg7rtJmUyrX36rB+gBMl8Q1h98Cyt IT1A== X-Forwarded-Encrypted: i=1; AJvYcCW78DtefvmsBCpaJXlhUhapdPcfUgIbyEhiO6NsGtfLQyNLVFqejuS6V/FtfZ29+hw7c7+Evk76d9CZ/93LYrVcAU7uisbMXPIwHO4G X-Gm-Message-State: AOJu0Yy8jXrbcu3EFp4r5djrZC9YH2TSUHDH+CvfR6IHKzTJXdDiHDo4 6qH1A5pI/xmOTOFGZ9GOHOvEzMNyCDu5/5HIxraWsw6u9VlEg0yCq6GAZL1i+GGyemrGow9m/WQ TAqP865hqss5Oe0TJdr1Xrg4nIh7qyIfjUXsxt35V8WQAkQ/qGl4Qt3Y= X-Google-Smtp-Source: AGHT+IFJyp0MBrj4S7LpAYTmGxLLAIs0GF3qNZ35WmD+27zb/IWGxxjM2bKRA6m25SWK8yidx1cSH3ToQ5m5W8fEDdkEIjf8h1Qz Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a5d:898f:0:b0:7c7:96ac:9408 with SMTP id m15-20020a5d898f000000b007c796ac9408mr4609iol.0.1708706763728; Fri, 23 Feb 2024 08:46:03 -0800 (PST) Date: Fri, 23 Feb 2024 08:46:03 -0800 In-Reply-To: <0000000000007fcc9c05f909f7f3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ad6da206120f4b2c@google.com> Subject: Re: [syzbot] [reiserfs?] KASAN: null-ptr-deref Read in fix_nodes From: syzbot To: axboe@kernel.dk, brauner@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, reiserfs-devel@vger.kernel.org, rkovhaev@gmail.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara Date: Wed Nov 1 17:43:10 2023 +0000 fs: Block writes to mounted block devices bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14c5b3f0180000 start commit: a4aebe936554 posix-timers: Get rid of [COMPAT_]SYS_NI() uses git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=671af399e2dac0e3 dashboard link: https://syzkaller.appspot.com/bug?extid=5184326923f180b9d11a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10a4c8cee80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a59e11e80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: fs: Block writes to mounted block devices For information about bisection process see: https://goo.gl/tpsmEJ#bisection