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From: syzbot <syzbot+51baee846ddab52d5230@syzkaller.appspotmail.com>
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
Subject: Re: [syzbot] [bluetooth?] KASAN: null-ptr-deref Read in ida_free (4)
Date: Sun, 11 Feb 2024 01:55:05 -0800	[thread overview]
Message-ID: <000000000000d4a29506111827e7@google.com> (raw)
In-Reply-To: <000000000000a135c0060a2260b3@google.com>

syzbot suspects this issue was fixed by commit:

commit af73483f4e8b6f5c68c9aa63257bdd929a9c194a
Author: Matthew Wilcox (Oracle) <willy@infradead.org>
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

  parent reply	other threads:[~2024-02-11  9:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-14 20:10 [syzbot] [bluetooth?] KASAN: null-ptr-deref Read in ida_free (4) syzbot
2023-11-25 13:18 ` syzbot
2024-01-18 10:21   ` Dmitry Vyukov
2024-01-18 14:02     ` Matthew Wilcox
2024-01-19 11:58       ` Dmitry Vyukov
2024-01-19 13:47         ` Matthew Wilcox
2023-11-26 11:15 ` syzbot
2024-02-11  9:55 ` syzbot [this message]
2024-02-12 10:32   ` Aleksandr Nogikh

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