From: syzbot <syzbot+be0c7be873b78b57c065@syzkaller.appspotmail.com>
To: bp@alien8.de, hpa@zytor.com, jmattson@google.com,
joro@8bytes.org, kvm@vger.kernel.org,
linux-kernel@vger.kernel.org, mingo@redhat.com,
netdev@vger.kernel.org, pbonzini@redhat.com,
sean.j.christopherson@intel.com, suravee.suthikulpanit@amd.com,
syzkaller-bugs@googlegroups.com, tglx@linutronix.de,
vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org
Subject: WARNING: can't dereference registers at ADDR for ip interrupt_entry
Date: Sun, 05 Apr 2020 07:55:13 -0700 [thread overview]
Message-ID: <00000000000075615505a28c569e@google.com> (raw)
Hello,
syzbot found the following crash on:
HEAD commit: a0ba26f3 Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=1669fcb7e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=27392dd2975fd692
dashboard link: https://syzkaller.appspot.com/bug?extid=be0c7be873b78b57c065
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ab1edbe00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=150eb063e00000
The bug was bisected to:
commit 24bbf74c0c36bfbaa276c9921b55b844018b241e
Author: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Date: Thu Nov 14 20:15:07 2019 +0000
kvm: x86: Add APICv (de)activate request trace points
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12f1dadbe00000
final crash: https://syzkaller.appspot.com/x/report.txt?x=11f1dadbe00000
console output: https://syzkaller.appspot.com/x/log.txt?x=16f1dadbe00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+be0c7be873b78b57c065@syzkaller.appspotmail.com
Fixes: 24bbf74c0c36 ("kvm: x86: Add APICv (de)activate request trace points")
WARNING: can't dereference registers at 00000000ebf55915 for ip interrupt_entry+0xb8/0xc0 arch/x86/entry/entry_64.S:579
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches
reply other threads:[~2020-04-05 14:55 UTC|newest]
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