linux-kernel - Re: general protection fault in ebitmap

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Date:   Thu, 21 Mar 2019 15:20:00 -0700
From:   syzbot <syzbot+a57b2aff60832666fc28@...kaller.appspotmail.com>
To:     adobriyan@...il.com, akpm@...ux-foundation.org,
        dave.hansen@...el.com, eparis@...isplace.org,
        kent.overstreet@...il.com, linux-kernel@...r.kernel.org,
        marcelo.leitner@...il.com, nhorman@...driver.com,
        paul@...l-moore.com, peter.enderborg@...y.com, pshelar@....org,
        sds@...ho.nsa.gov, selinux@...r.kernel.org, shli@...nel.org,
        syzkaller-bugs@...glegroups.com, torvalds@...ux-foundation.org,
        viro@...iv.linux.org.uk, vyasevich@...il.com, willy@...radead.org
Subject: Re: general protection fault in ebitmap_destroy (2)

Hello,

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

Reported-and-tested-by:  
syzbot+a57b2aff60832666fc28@...kaller.appspotmail.com

Tested on:

commit:         9a03b23d selinux: fix calling ebitmap_destroy() on null ptr
git tree:       http://evilpiepirate.org/git/bcachefs.git syzbot-fix
kernel config:  https://syzkaller.appspot.com/x/.config?x=2f8e9856965eaf03
compiler:       gcc (GCC) 9.0.0 20190115 (experimental)

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