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[23.128.96.18]) by mx.google.com with ESMTP id ka25si5480804ejc.204.2021.05.09.12.54.56; Sun, 09 May 2021 12:55:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229853AbhEITxM (ORCPT + 99 others); Sun, 9 May 2021 15:53:12 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:52822 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229683AbhEITxL (ORCPT ); Sun, 9 May 2021 15:53:11 -0400 Received: by mail-il1-f197.google.com with SMTP id s2-20020a056e0210c2b0290196bac26c2cso12039226ilj.19 for ; Sun, 09 May 2021 12:52:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=001ucYqBcq5hHetM/YG6b6qU6lfZlfM5MsOotoGLw6s=; b=Bp1+DJgp9cc5NNvxtFGOfcnpMpfvhZmvAgWGhukBWUlJP6BSMI3GmfkQpHE4/jgch+ IG4P3bervCcGy33/LiZOBQeTzTYYkldKqdAJi8cZY9rKiNN4jBBxCJm2GKdzeSpBIZOl ePDU3I4tNsk7+9DklP7DgTnpUo1yDsHUsbAhBjdQKdYwaWZZPGfqtyDaDRp/BGf/j5IK 1VZgrS/U9XNPJ32keoxHsC389wwPOPab294AN2IujECvcmt1DX62wQu9PP6E+mILcXuG FbEqUXlBDnxnKJfJ18mJ3mQVzvlZtQD7exwjcQu0rSiknMlk666moQ+IecO5wvmXImfJ nCew== X-Gm-Message-State: AOAM533RNqvQh9ybldch/hJwiN220UpG1OeQhf7Wnr9zU5C3P0PXkSyU 3ME3XSIvxyzet/fvG+XU5ixUSVN4RXbEhULAiYy+ALsuXT1f MIME-Version: 1.0 X-Received: by 2002:a92:510:: with SMTP id q16mr5942373ile.41.1620589927542; Sun, 09 May 2021 12:52:07 -0700 (PDT) Date: Sun, 09 May 2021 12:52:07 -0700 In-Reply-To: <000000000000cc615405c13e4dfe@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f532ab05c1eafe35@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in nfc_llcp_put_ssap From: syzbot To: akpm@linux-foundation.org, bp@alien8.de, davem@davemloft.net, hpa@zytor.com, jmattson@google.com, joro@8bytes.org, kuba@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, masahiroy@kernel.org, mingo@redhat.com, netdev@vger.kernel.org, pbonzini@redhat.com, peterz@infradead.org, rafael.j.wysocki@intel.com, rostedt@goodmis.org, seanjc@google.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, will@kernel.org, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit 997acaf6b4b59c6a9c259740312a69ea549cc684 Author: Mark Rutland Date: Mon Jan 11 15:37:07 2021 +0000 lockdep: report broken irq restoration bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14af741dd00000 start commit: 95aafe91 net: ethernet: ixp4xx: Support device tree probing git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16af741dd00000 console output: https://syzkaller.appspot.com/x/log.txt?x=12af741dd00000 kernel config: https://syzkaller.appspot.com/x/.config?x=7668018815a66138 dashboard link: https://syzkaller.appspot.com/bug?extid=e4689b43d2ed2ed63611 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ed2663d00000 Reported-by: syzbot+e4689b43d2ed2ed63611@syzkaller.appspotmail.com Fixes: 997acaf6b4b5 ("lockdep: report broken irq restoration") For information about bisection process see: https://goo.gl/tpsmEJ#bisection