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Message-ID: <00000000000007e38806051f72e2@google.com>
Date:   Mon, 11 Sep 2023 18:34:35 -0700
From:   syzbot <syzbot+5759bce381cb6f9c51fa@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org, aneesh.kumar@...ux.ibm.com,
        apopple@...dia.com, arnd@...db.de, bgray@...ux.ibm.com,
        bp@...en8.de, catalin.marinas@....com, christophe.leroy@...roup.eu,
        dave.hansen@...ux.intel.com, hpa@...or.com,
        linux-arch@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linuxppc-dev@...ts.ozlabs.org, luto@...nel.org, mingo@...hat.com,
        mpe@...erman.id.au, npiggin@...il.com, peterz@...radead.org,
        syzkaller-bugs@...glegroups.com, tglx@...utronix.de,
        will@...nel.org, x86@...nel.org
Subject: Re: [syzbot] [kernel?] general protection fault in arch_tlbbatch_flush

syzbot has bisected this issue to:

commit 75c400f82d347af1307010a3e06f3aa5d831d995
Author: Alistair Popple <apopple@...dia.com>
Date:   Wed Jul 19 12:18:44 2023 +0000

    mmu_notifiers: call invalidate_range() when invalidating TLBs

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14bd6d0c680000
start commit:   c58c49dd8932 Add linux-next specific files for 20230720
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16bd6d0c680000
console output: https://syzkaller.appspot.com/x/log.txt?x=12bd6d0c680000
kernel config:  https://syzkaller.appspot.com/x/.config?x=27d64413bce3a1d8
dashboard link: https://syzkaller.appspot.com/bug?extid=5759bce381cb6f9c51fa
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=177f484ea80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12e4a4e6a80000

Reported-by: syzbot+5759bce381cb6f9c51fa@...kaller.appspotmail.com
Fixes: 75c400f82d34 ("mmu_notifiers: call invalidate_range() when invalidating TLBs")

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

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