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 D820717D34A for ; Tue, 16 Jul 2024 12:48:03 +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=1721134085; cv=none; b=dBXE/QWbshwhdtyrCFC5VVOEaI0bJ8PxEayuQ5DiRkAFEalxSWye00tCpVx4Kyw/Bo2w6e1HQkYQ/zELQreGYPIaLbbZjyTN/UF08cjjU0hBqzrIGYxaBcHUxTxLefNEFKcvh63cGHQhKCn4vvHAO0A8BcO2SN9pMf7FYPZA4RM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721134085; c=relaxed/simple; bh=E2nZjSWDCpSniAOgFo0k28Kj4THvfunBub8RcuI4IDc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=gk9vOOR6nAT9wp7yiqx5uvLWY2fr2oCV1YulwGaYj832Cy7+Lmq6bEvoJZuwMuT7u2fe7U20y+z2UmUOpKuS7Bybe9XcduQTq8nKpCyCPYcO4qB5Er3qRx15tLDSCeBY7yffW3N6O3n/3PbcfxTZUVxeOi6XI1actUxXcQGRB80= 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-807b123d985so729039639f.0 for ; Tue, 16 Jul 2024 05:48:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721134083; x=1721738883; 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=d/GQmuW9oEGylooIhciy6e3DjFVO7n6m2qCoRl9cIxk=; b=DeqeG9B1H5dqA4+qWFdbCUUcNeA94CXjOFVc/CxEgGwp85VAzRfeyZiA3e0Irt/U3S DB4rBbn9SX49OAwSRV5WTB+Drc0+xZu0Gi28Xt7NDEkBMbpTexpEmiEEPcDSwKfnsv8S uGkJT/IZlPbZA/X6bUjDRWZuqlQe0p46DC2p8IT4+sKp8s7qcTHEHqjq5piVOlefvbqe hTgvyLdZElMRSpdHckjVlX5gWTgtZ0nilJUN5hn8OvvlQjaGgMJayCLfZtwMpnXMa43r fyi+iujjcUlVU38UMjhIw8ZgXfHXtoIej8ztnMXHdRyCRlXEhnrfkuuGnzlTsGgT0iRH 9ttg== X-Forwarded-Encrypted: i=1; AJvYcCUN40MZqK0JWve0qv0yKEupy78rKLBviOFGqAAsBGrTTXuqripZryVF6H4aXaoC6TdE+OEhDjvSetXnACznsAEIqEjDY4mB X-Gm-Message-State: AOJu0YwII35g5qOdCUcJoOFMSFnDduEooSpE6p5w1y52phqRfLeama4i FymQ4OByXqbn6LGXRb9Nsd8mVx/3oCCDldplmdYRzhVm1W5Rlutakt3+8KDwQsZI2ZX1qGYSpvw jI1O4Rt4B4I2fzpwR8f5c3MKq7S6Rf9cBlGHpI8EvQBFL5JTME28bZ4A= X-Google-Smtp-Source: AGHT+IF0N+2TOc0t43ZvyhnpOUrNdhABMYBRZ7HlAQ6MLOp6KnFbslLaXfCAy/o/1nZ29lCtkMF+nqQdQrgC2dpCO/jsgD7aDQgm Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a6b:6c0d:0:b0:804:f2be:ee42 with SMTP id ca18e2360f4ac-81571a97c3cmr2458739f.0.1721134083002; Tue, 16 Jul 2024 05:48:03 -0700 (PDT) Date: Tue, 16 Jul 2024 05:48:02 -0700 In-Reply-To: <0000000000005c6453061d53bc0f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a0f1fd061d5cc101@google.com> Subject: Re: [syzbot] [fs?] KASAN: slab-use-after-free Read in lockref_get From: syzbot To: benjamin.berg@intel.com, gregkh@linuxfoundation.org, gregory.greenman@intel.com, hdanton@sina.com, johannes.berg@intel.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, miriam.rachel.korenblit@intel.com, netdev@vger.kernel.org, rafael@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 0a3d898ee9a8303d5b3982b97ef0703919c3ea76 Author: Benjamin Berg Date: Wed Dec 20 02:38:01 2023 +0000 wifi: mac80211: add/remove driver debugfs entries as appropriate bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=150e3cf1980000 start commit: 58f9416d413a Merge branch 'ice-support-to-dump-phy-config-.. git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=170e3cf1980000 console output: https://syzkaller.appspot.com/x/log.txt?x=130e3cf1980000 kernel config: https://syzkaller.appspot.com/x/.config?x=db697e01efa9d1d7 dashboard link: https://syzkaller.appspot.com/bug?extid=d5dc2801166df6d34774 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1658c7dd980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16ed24b5980000 Reported-by: syzbot+d5dc2801166df6d34774@syzkaller.appspotmail.com Fixes: 0a3d898ee9a8 ("wifi: mac80211: add/remove driver debugfs entries as appropriate") For information about bisection process see: https://goo.gl/tpsmEJ#bisection