linux-kernel - Re: [syzbot] [acpi?] KASAN: slab-use-after-free Read in software_node_notify

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Message-ID: <Z_KAmSNLsAhctKv8@smile.fi.intel.com>
Date: Sun, 6 Apr 2025 16:24:41 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: syzbot <syzbot+2ff22910687ee0dfd48e@...kaller.appspotmail.com>
Cc: dakr@...nel.org, djrscally@...il.com, gregkh@...uxfoundation.org,
	heikki.krogerus@...ux.intel.com, jgg@...dia.com,
	kevin.tian@...el.com, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, nicolinc@...dia.com,
	rafael@...nel.org, sakari.ailus@...ux.intel.com,
	syzkaller-bugs@...glegroups.com, yi.l.liu@...el.com
Subject: Re: [syzbot] [acpi?] KASAN: slab-use-after-free Read in
 software_node_notify_remove

On Sun, Apr 06, 2025 at 04:37:28AM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    acc4d5ff0b61 Merge tag 'net-6.15-rc0' of git://git.kernel...
> git tree:       upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=15a807cf980000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=24f9c4330e7c0609
> dashboard link: https://syzkaller.appspot.com/bug?extid=2ff22910687ee0dfd48e
> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=109077b0580000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13717c3f980000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/e4bfa652b34a/disk-acc4d5ff.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/3d19beb8bb92/vmlinux-acc4d5ff.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/e7298ccc6331/bzImage-acc4d5ff.xz

#syz test: https://bitbucket.org/andy-shev/linux.git test-swnode

-- 
With Best Regards,
Andy Shevchenko