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From: Carlos Llamas <cmllamas@google.com>
To: syzbot <syzbot+ff47834028a51cf6f857@syzkaller.appspotmail.com>
Cc: akpm@linux-foundation.org, arve@android.com, brauner@kernel.org,
	gregkh@linuxfoundation.org, joel@joelfernandes.org,
	liam.howlett@oracle.com, linux-kernel@vger.kernel.org,
	maco@android.com, omosnace@redhat.com, surenb@google.com,
	syzkaller-bugs@googlegroups.com, tkjos@android.com
Subject: Re: [syzbot] general protection fault in binder_alloc_new_buf_locked
Date: Fri, 2 Sep 2022 15:53:23 +0000	[thread overview]
Message-ID: <YxIm8/d293sSuECc@google.com> (raw)
In-Reply-To: <000000000000ae694805e7b2bda3@google.com>

On Fri, Sep 02, 2022 at 07:42:36AM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    b90cb1053190 Linux 6.0-rc3
> git tree:       upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=1719e383080000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=9c5c41fc03fda66f
> dashboard link: https://syzkaller.appspot.com/bug?extid=ff47834028a51cf6f857
> compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11794975080000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1445c063080000
> 
> The issue was bisected to:
> 
> commit 44e602b4e52f70f04620bbbf4fe46ecb40170bde
> Author: Liam Howlett <liam.howlett@oracle.com>
> Date:   Wed Aug 10 16:02:25 2022 +0000
> 
>     binder_alloc: add missing mmap_lock calls when using the VMA
> 

Duplicate report, this time bisection worked though.

#syz dup: general protection fault in binder_alloc_new_buf

      reply	other threads:[~2022-09-02 15:59 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-02 14:42 [syzbot] general protection fault in binder_alloc_new_buf_locked syzbot
2022-09-02 15:53 ` Carlos Llamas [this message]

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