linux-kernel - Re: memory leak in kobject_set_name

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Message-ID: <00000000000083ffc4058e9dddf0@google.com>
Date:   Fri, 26 Jul 2019 16:26:00 -0700
From:   syzbot <syzbot+ad8ca40ecd77896d51e2@...kaller.appspotmail.com>
To:     catalin.marinas@....com, davem@...emloft.net, dvyukov@...gle.com,
        herbert@...dor.apana.org.au, kuznet@....inr.ac.ru,
        kvalo@...eaurora.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, luciano.coelho@...el.com,
        netdev@...r.kernel.org, steffen.klassert@...unet.com,
        syzkaller-bugs@...glegroups.com, torvalds@...ux-foundation.org,
        yoshfuji@...ux-ipv6.org
Subject: Re: memory leak in kobject_set_name_vargs (2)

syzbot has bisected this bug to:

commit 0e034f5c4bc408c943f9c4a06244415d75d7108c
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Wed May 18 18:51:25 2016 +0000

     iwlwifi: fix mis-merge that breaks the driver

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10f955f0600000
start commit:   3bfe1fc4 Merge tag 'for-5.3/dm-changes-2' of git://git.ker..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=12f955f0600000
console output: https://syzkaller.appspot.com/x/log.txt?x=14f955f0600000
kernel config:  https://syzkaller.appspot.com/x/.config?x=dcfc65ee492509c6
dashboard link: https://syzkaller.appspot.com/bug?extid=ad8ca40ecd77896d51e2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=135cbed0600000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14dd4e34600000

Reported-by: syzbot+ad8ca40ecd77896d51e2@...kaller.appspotmail.com
Fixes: 0e034f5c4bc4 ("iwlwifi: fix mis-merge that breaks the driver")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection