linux-kernel - Re: KASAN: use-after-free Read in ld_usb

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Message-ID: <0000000000005cb00c058fb2d840@google.com>
Date:   Fri, 09 Aug 2019 10:53:00 -0700
From:   syzbot <syzbot+30cf45ebfe0b0c4847a1@...kaller.appspotmail.com>
To:     andreyknvl@...gle.com, bhelgaas@...gle.com, greg@...ah.com,
        kirr@...edi.com, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux@...ck-us.net, lkundrak@...sk,
        logang@...tatee.com, stern@...land.harvard.edu,
        syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: use-after-free Read in ld_usb_release

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger  
crash:

Reported-and-tested-by:  
syzbot+30cf45ebfe0b0c4847a1@...kaller.appspotmail.com

Tested on:

commit:         e96407b4 usb-fuzzer: main usb gadget fuzzer driver
git tree:       https://github.com/google/kasan.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=cfa2c18fb6a8068e
compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
patch:          https://syzkaller.appspot.com/x/patch.diff?x=15b4c802600000

Note: testing is done by a robot and is best-effort only.