From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 861D21C1753 for ; Mon, 4 Nov 2024 16:21:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730737266; cv=none; b=ZH3mHgXrk5VmWtdVQwWi6Q7HCTE75OwxOJuLEtdKfSCDSMj5rwy62YdGkH6jAfrYLilG5IRoKUATyaC68f0Q3Jp9gBleseXgPdasXUZj53HvhiX4xdR5eicqSul9B6/tteIERkrTeCF+aXzNhpAv4l5n9ZszO6KQv/gGfGhAJzE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730737266; c=relaxed/simple; bh=haBLAcbl8Ieh97c/dW3nRm8TrGQapNDBWftSXYIampg=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=pc15AEz6G4MxyjcTFmZ081WEwBBFd+0R/K2SRw4TAkORCDGSWJgo8tpnyjZQPntzX68wtpZnqZoPds0PWLXyDQ09FQ8PwcOfTra9ZUX/Vg04zhtlZqw6N/+WYtjtxKsk0pK32m7XZow8cCnF0DwyhOafQ1HIJJP+hlyHwYRSVis= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3a4f32b0007so41640855ab.1 for ; Mon, 04 Nov 2024 08:21:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730737263; x=1731342063; 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=HxbDd/qx3m9u6LqN8nUobJ9+S9EzZkoCHKBHg8a1GPc=; b=hx754QAF3oTq7NtlnmXT2UGlR5Rg6rsDY48GZOI1NL+8rd88yguByNAYOpdiWYOBoR pEHEpzkfgLBKexyCA5uHO576XFV9YlfXXDaWhyIqB2CxY+Vnkj/+ex405iACKUXdBnqb vet7ZHQFyLDJW85jXUUM3dgbL0qpfgNLWINxh8vWfP09OgsjymcIJslHUsxVZ6qpgEPV 8jAg/2DQwr9U3ch6JWDdzacSpzwmr0HhKlXJMmrAp36VyO3nWbypJYhKRU23gzqke1YE VtDRV1H57BuRfF6saLrOvCMn1Wn2q8fkaubvcSFXZwF/PuOPY2Y6pnoVIpPS8QHyhwRr slPA== X-Forwarded-Encrypted: i=1; AJvYcCUUMHXd9cid/ddhqarTX81FcCnj1blohB8ME3xbpZcYUGkJ4mQkwvpVFdotYA6Jo7CoUxXfPSjHhtFWlfs=@vger.kernel.org X-Gm-Message-State: AOJu0YzRFc1x2Ihe1blL47i//zclnNyIl4uDDBsNwytI8hGgGV39xOt2 hXbiar9PWyIxYNJH1eQRcCNWjxEgjlJJg/CeD5LbNJCSb9ibABc/VGwwfajnqpdS16+/bIXrYEl jrFLfLGSmFxmIiTZPv/63JpMuWGpvdKAkYXy9jIAOH5U1xlARd/ZBO8Y= X-Google-Smtp-Source: AGHT+IGLcE5qtZ2CEjscGbnyM4HxcoGwrpQbQNV/en3k/x7LRl1VNKWBwZcOC0NHJOlhEd4+n0wKBvDvEZeyBT0iTcyNgJnaJA2i Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1a6b:b0:3a6:ac4e:264a with SMTP id e9e14a558f8ab-3a6ac4e2800mr148495075ab.10.1730737263590; Mon, 04 Nov 2024 08:21:03 -0800 (PST) Date: Mon, 04 Nov 2024 08:21:03 -0800 In-Reply-To: <671fbcd6.050a0220.21b2f.0009.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6728f46f.050a0220.2edce.14f6.GAE@google.com> Subject: Re: [syzbot] [kernel?] kernel BUG in binder_alloc_deferred_release (2) From: syzbot To: Liam.Howlett@Oracle.com, akpm@linux-foundation.org, arve@android.com, brauner@kernel.org, cmllamas@google.com, gregkh@linuxfoundation.org, hdanton@sina.com, joel@joelfernandes.org, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, lorenzo.stoakes@oracle.com, maco@android.com, surenb@google.com, syzkaller-bugs@googlegroups.com, tkjos@android.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit f8d112a4e657c65c888e6b8a8435ef61a66e4ab8 Author: Liam R. Howlett Date: Fri Aug 30 04:00:54 2024 +0000 mm/mmap: avoid zeroing vma tree in mmap_region() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11fc46a7980000 start commit: c2ee9f594da8 KVM: selftests: Fix build on on non-x86 archi.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=13fc46a7980000 console output: https://syzkaller.appspot.com/x/log.txt?x=15fc46a7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=a34ca8ca33c0e535 dashboard link: https://syzkaller.appspot.com/bug?extid=dee8aa54cb2f5a150f9e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1484165f980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=132b2ebb980000 Reported-by: syzbot+dee8aa54cb2f5a150f9e@syzkaller.appspotmail.com Fixes: f8d112a4e657 ("mm/mmap: avoid zeroing vma tree in mmap_region()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection