linux-kernel - Re: [syzbot] [kernel?] KASAN: slab-use-after-free Write in binder_add

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Message-ID: <67e20003.050a0220.a7ebc.0034.GAE@google.com>
Date: Mon, 24 Mar 2025 17:59:47 -0700
From: syzbot <syzbot+810b8555076779a07399@...kaller.appspotmail.com>
To: cmllamas@...gle.com
Cc: arve@...roid.com, brauner@...nel.org, cmllamas@...gle.com, 
	gregkh@...uxfoundation.org, joel@...lfernandes.org, 
	linux-kernel@...r.kernel.org, maco@...roid.com, surenb@...gle.com, 
	syzkaller-bugs@...glegroups.com, tkjos@...roid.com
Subject: Re: [syzbot] [kernel?] KASAN: slab-use-after-free Write in binder_add_device

> On Mon, Mar 24, 2025 at 05:49:53PM -0700, syzbot wrote:
>> > On Sun, Mar 16, 2025 at 03:51:27PM -0700, syzbot wrote:
>> >> Hello,
>> >> 
>> >> syzbot found the following issue on:
>> >> 
>> >> HEAD commit:    b7f94fcf5546 Merge tag 'sched_ext-for-6.14-rc6-fixes' of g..
>> >> git tree:       upstream
>> >> console output: https://syzkaller.appspot.com/x/log.txt?x=134f303f980000
>> >> kernel config:  https://syzkaller.appspot.com/x/.config?x=cdc24cb631dc9bc4
>> >> dashboard link: https://syzkaller.appspot.com/bug?extid=810b8555076779a07399
>> >> compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
>> >
>> > #syz test
>> 
>> This crash does not have a reproducer. I cannot test it.
>
> This is likely another version of this report:
> https://syzkaller.appspot.com/bug?extid=353d7b75658a95aa955a
> where access to the binder_devices list is unprotected.
>
> #syz dup: slab-use-after-free Write in binderfs_evict_inode

can't find the dup bug