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Date: Sat, 16 May 2020 14:27:03 -0700 From: syzbot <syzbot+b364ed862aa07c74bc62@...kaller.appspotmail.com> To: bigeasy@...utronix.de, davem@...emloft.net, dvyukov@...gle.com, jack@...e.cz, johan.hedberg@...il.com, linux-bluetooth@...r.kernel.org, linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org, marcel@...tmann.org, mmarek@...e.com, netdev@...r.kernel.org, syzkaller-bugs@...glegroups.com, tglx@...utronix.de, torvalds@...ux-foundation.org, xiyou.wangcong@...il.com Subject: Re: KASAN: use-after-free Write in hci_sock_release syzbot suspects this bug was fixed by commit: commit f1e67e355c2aafeddf1eac31335709236996d2fe Author: Thomas Gleixner <tglx@...utronix.de> Date: Mon Nov 18 13:28:24 2019 +0000 fs/buffer: Make BH_Uptodate_Lock bit_spin_lock a regular spinlock_t bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1761ce06100000 start commit: 645ff1e8 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=7308e68273924137 dashboard link: https://syzkaller.appspot.com/bug?extid=b364ed862aa07c74bc62 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=152532bb400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13f73320c00000 If the result looks correct, please mark the bug fixed by replying with: #syz fix: fs/buffer: Make BH_Uptodate_Lock bit_spin_lock a regular spinlock_t For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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