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 2C2FC59173 for ; Sun, 11 Feb 2024 09:55:06 +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=1707645307; cv=none; b=lrA7dajpLLYxPmLBSH8i1kPgMuvVtW6elpbjBAmhzverlCPEhNi85JLwmgcXggbGtocFKueOstMRmK2PXcia2H6Nr2HVHWVEXaKN5UsfwvnYm7oF6+DskvfOtMQNSrIWQaquCXtZAYPRbjApkkfG3LfDydlv+QmDJ8iXmzv8MVs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707645307; c=relaxed/simple; bh=FamyLudsSv714I4GPKAWQ7S6nKsf1K3Kuh25o0PUvSI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=MZPjNBsvOa+3qibDoYqMhhZYIpTJEx7zJOlaUGAdwp32x8Fix78ZGgkxmTt4WenNzSMYtV8S1cOkAjv7k9EZ/TsmVd6mZrI+2QdEb7U8g5bBAUxGaPMF2S0q6Kmar06QEI7L+bhNkIBz3y34ZZGosjjpmxinDcZLj88Nt8OLA/0= 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-363e7f0c9daso15249625ab.0 for ; Sun, 11 Feb 2024 01:55:05 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707645305; x=1708250105; 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=0XuWyRbY4wXt2Mt6STUVYn8j1a+Yq6fdJoZ0a9NfJrs=; b=tpmbz/8bCUv0tPCyH+ljY29l8byvA5Ejyb8HGyRBYJXvLvLZWnKFVWfw3HfRXDTpmD 81TSqVbJce6AKSBtCsN+SMZ5Uuh2i5ro6A25Veq6FvhIKsyjtm0fAV7hprO1RJZIdFyY UrK0lbIDvl3VFQKHIzYHaclhZJW/GzfovXGCsFD9CDBXalwgZmDpntCo9LNQunDMnvBs kuYW2mOl84QWDIj78Ck71Y6Td9oJnfetrWnvGe5I+KJvDtzYdg3JYzHRv5l1TEuIYXI1 LW1Zlu3WH2BK2LLfeIQHJtTh/3HpFDj5mbBlzgrLCOoT3SS4qtz2z+cQK2BsyJLU4K/B MTuA== X-Gm-Message-State: AOJu0YzaY3eEpCthlHo3V/LDXHs977o2L5/AUSxsYjugd10U0lTGyb4b d72XxjArrH4brfdLGJ58tuNMKQi2aOAFxckCku2ZwvkD23rt1P6XhaVOa9XdjBEJF8hFs4h6qNM NoW6r5MfB5oXMS56hCnXPaXEjUxxb5djswNxrIgR/1RsvDbm7DGuamzw= X-Google-Smtp-Source: AGHT+IG3YZniosI/CpDU94Ng7pPafv+1B9bQ4XnJzYI/F435oR3FLGTsEkP6RQryGxVbCbrAEGkfujP1a2FR0BA29P31HNaNZa0p Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20ee:b0:363:8b04:6df7 with SMTP id q14-20020a056e0220ee00b003638b046df7mr338025ilv.0.1707645305395; Sun, 11 Feb 2024 01:55:05 -0800 (PST) Date: Sun, 11 Feb 2024 01:55:05 -0800 In-Reply-To: <000000000000a135c0060a2260b3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d4a29506111827e7@google.com> Subject: Re: [syzbot] [bluetooth?] KASAN: null-ptr-deref Read in ida_free (4) From: syzbot To: akpm@linux-foundation.org, davem@davemloft.net, dvyukov@google.com, edumazet@google.com, johan.hedberg@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, luiz.von.dentz@intel.com, marcel@holtmann.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org, william.xuanziyang@huawei.com, willy@infradead.org, wzhmmmmm@gmail.com Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit af73483f4e8b6f5c68c9aa63257bdd929a9c194a Author: Matthew Wilcox (Oracle) Date: Thu Dec 21 16:53:57 2023 +0000 ida: Fix crash in ida_free when the bitmap is empty bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12fc6ba2180000 start commit: b46ae77f6787 Merge tag 'xfs-6.7-fixes-3' of git://git.kern.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=6ae1a4ee971a7305 dashboard link: https://syzkaller.appspot.com/bug?extid=51baee846ddab52d5230 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=127837cce80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12779dc8e80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: ida: Fix crash in ida_free when the bitmap is empty For information about bisection process see: https://goo.gl/tpsmEJ#bisection