linux-kernel - Re: [syzbot] KASAN: null-ptr-deref Read in ida

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Message-ID: <0000000000006fecd605e234a41f@google.com>
Date:   Fri, 24 Jun 2022 10:10:08 -0700
From:   syzbot <syzbot+aa620fb1ece874a3f34c@...kaller.appspotmail.com>
To:     Julia.Lawall@...ia.fr, andreyknvl@...il.com, balbi@...nel.org,
        gregkh@...uxfoundation.org, hdanton@...a.com, jannh@...gle.com,
        jj251510319013@...il.com, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, schspa@...il.com,
        stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: null-ptr-deref Read in ida_free (2)

Hello,

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

Reported-and-tested-by: syzbot+aa620fb1ece874a3f34c@...kaller.appspotmail.com

Tested on:

commit:         90bc2af2 USB: gadget: Fix double-free bug in raw_gadge..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
console output: https://syzkaller.appspot.com/x/log.txt?x=102c524c080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=34c24e9249d527bb
dashboard link: https://syzkaller.appspot.com/bug?extid=aa620fb1ece874a3f34c
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.