linux-kernel - Re: [syzbot] BUG: spinlock bad magic in synchronize

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 27 Oct 2021 19:15:06 -0700
From:   syzbot <syzbot+05017ad275a64a3246f8@...kaller.appspotmail.com>
To:     bcm-kernel-feedback-list@...adcom.com, bhelgaas@...gle.com,
        bp@...en8.de, dave.hansen@...ux.intel.com,
        devel@...verdev.osuosl.org, f.fainelli@...il.com,
        gregkh@...uxfoundation.org, hpa@...or.com,
        info@...tasdeplastico.com, jmattson@...gle.com, joro@...tes.org,
        kvm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-pci@...r.kernel.org,
        linux-rpi-kernel-owner@...ts.infradead.org,
        linux-rpi-kernel@...ts.infradead.org, lorenzo.pieralisi@....com,
        mchehab@...nel.org, mingo@...hat.com, nsaenzjulienne@...e.de,
        pbonzini@...hat.com, robh@...nel.org,
        sean.j.christopherson@...el.com, seanjc@...gle.com,
        sfr@...b.auug.org.au, syzkaller-bugs@...glegroups.com,
        tcs_kernel@...cent.com, tglx@...utronix.de, vkuznets@...hat.com,
        wanpengli@...cent.com, x86@...nel.org
Subject: Re: [syzbot] BUG: spinlock bad magic in synchronize_srcu

syzbot suspects this issue was fixed by commit:

commit eb7511bf9182292ef1df1082d23039e856d1ddfb
Author: Haimin Zhang <tcs_kernel@...cent.com>
Date:   Fri Sep 3 02:37:06 2021 +0000

    KVM: x86: Handle SRCU initialization failure during page track init

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=143e2b02b00000
start commit:   78e709522d2c Merge tag 'for_linus' of git://git.kernel.org..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=2150ebd7e72fa695
dashboard link: https://syzkaller.appspot.com/bug?extid=05017ad275a64a3246f8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10b72895300000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14c42853300000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: KVM: x86: Handle SRCU initialization failure during page track init

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