From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+ecbb1750082f7528b507@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] KASAN: slab-use-after-free Read in vhci_send_cmd_submit
Date: Fri, 21 Aug 2026 12:55:36 +0800 [thread overview]
Message-ID: <20260821045537.1349-1-hdanton@sina.com> (raw)
In-Reply-To: <6a871611.4d75e56a.c9a88.0041.GAE@google.com>
> Date: Thu, 20 Aug 2026 07:58:25 -0700 [thread overview]
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 3eb40771c00a Merge tag 'soc-fixes-7.2-3' of git://git.kern..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=16e07a79580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=1d67342c314f228d
> dashboard link: https://syzkaller.appspot.com/bug?extid=ecbb1750082f7528b507
> compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12849949580000
#syz test
--- x/drivers/usb/core/devio.c
+++ y/drivers/usb/core/devio.c
@@ -417,6 +417,7 @@ static void free_async(struct async *as)
{
int i;
+ usb_kill_urb(as->urb);
put_pid(as->pid);
if (as->cred)
put_cred(as->cred);
--
next prev parent reply other threads:[~2026-08-21 4:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-20 14:58 [syzbot] KASAN: slab-use-after-free Read in vhci_send_cmd_submit syzbot
2026-08-21 3:13 ` Edward Adam Davis
2026-08-21 3:29 ` syzbot
2026-08-21 4:55 ` Hillf Danton [this message]
2026-08-21 5:11 ` syzbot
2026-08-21 13:08 ` [PATCH] usbip: prevent the use of unavailable urb and hcpriv in tx Edward Adam Davis
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