From: Borislav Petkov <bp@alien8.de>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Alexander Potapenko <glider@google.com>,
Marco Elver <elver@google.com>,
syzbot <syzbot+ce179bc99e64377c24bc@syzkaller.appspotmail.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>, Jiri Olsa <jolsa@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Ingo Molnar <mingo@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
Thomas Gleixner <tglx@linutronix.de>,
the arch/x86 maintainers <x86@kernel.org>,
clang-built-linux <clang-built-linux@googlegroups.com>
Subject: Re: general protection fault in perf_misc_flags
Date: Mon, 28 Sep 2020 22:23:53 +0200 [thread overview]
Message-ID: <20200928202353.GI1685@zn.tnic> (raw)
In-Reply-To: <CACT4Y+Z4Y6SJJ6iYBhVRiknrWBAD6gGhQXiXLhxPniDNBFJGsA@mail.gmail.com>
On Mon, Sep 28, 2020 at 12:33:57PM +0200, Dmitry Vyukov wrote:
> It may be related to VMs, but also may well not be related to VMs.
Right, and so I tried to set it up on a test box here, it looks like
it worked, see below. I'll let it fuzz in the coming days and see what
explodes...
2020/09/28 22:19:51 booting test machines...
2020/09/28 22:19:51 wait for the connection from test machine...
2020/09/28 22:20:27 machine check:
2020/09/28 22:20:27 syscalls : 3389/3739
2020/09/28 22:20:27 code coverage : enabled
2020/09/28 22:20:27 comparison tracing : enabled
2020/09/28 22:20:27 extra coverage : enabled
2020/09/28 22:20:27 setuid sandbox : enabled
2020/09/28 22:20:27 namespace sandbox : enabled
2020/09/28 22:20:27 Android sandbox : enabled
2020/09/28 22:20:27 fault injection : enabled
2020/09/28 22:20:27 leak checking : CONFIG_DEBUG_KMEMLEAK is not enabled
2020/09/28 22:20:27 net packet injection : enabled
2020/09/28 22:20:27 net device setup : enabled
2020/09/28 22:20:27 concurrency sanitizer : /sys/kernel/debug/kcsan does not exist
2020/09/28 22:20:27 devlink PCI setup : PCI device 0000:00:10.0 is not available
2020/09/28 22:20:27 USB emulation : enabled
2020/09/28 22:20:27 hci packet injection : enabled
2020/09/28 22:20:27 wifi device emulation : enabled
2020/09/28 22:20:29 corpus : 458 (deleted 0 broken)
2020/09/28 22:20:31 seeds : 620/667
2020/09/28 22:20:31 VMs 1, executed 0, corpus cover 0, corpus signal 0, max signal 0, crashes 0, repro 0
2020/09/28 22:20:41 VMs 2, executed 12, corpus cover 0, corpus signal 0, max signal 0, crashes 0, repro 0
2020/09/28 22:20:51 VMs 2, executed 28, corpus cover 5578, corpus signal 5925, max signal 10155, crashes 0, repro 0
2020/09/28 22:21:01 VMs 3, executed 179, corpus cover 11792, corpus signal 10881, max signal 19337, crashes 0, repro 0
...
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2020-09-28 20:24 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-19 8:32 general protection fault in perf_misc_flags syzbot
2020-09-19 11:08 ` Borislav Petkov
2020-09-21 5:54 ` Dmitry Vyukov
2020-09-21 8:08 ` Dmitry Vyukov
2020-09-21 20:59 ` Nick Desaulniers
2020-09-21 22:13 ` Borislav Petkov
2020-09-22 18:56 ` Nick Desaulniers
2020-09-22 19:29 ` Borislav Petkov
2020-09-23 9:03 ` Borislav Petkov
2020-09-23 9:24 ` Dmitry Vyukov
2020-09-23 10:34 ` Borislav Petkov
2020-09-23 15:20 ` Dmitry Vyukov
2020-09-25 12:22 ` Dmitry Vyukov
2020-09-26 0:32 ` Nick Desaulniers
2020-09-26 6:46 ` Dmitry Vyukov
2020-09-26 17:14 ` Borislav Petkov
2020-09-26 11:21 ` Borislav Petkov
2020-09-26 12:08 ` Dmitry Vyukov
2020-09-22 5:15 ` Dmitry Vyukov
2020-09-22 5:16 ` Dmitry Vyukov
2020-09-27 14:57 ` Borislav Petkov
2020-09-28 5:18 ` Dmitry Vyukov
2020-09-28 6:06 ` Dmitry Vyukov
2020-09-28 8:38 ` Borislav Petkov
2020-09-28 8:40 ` Dmitry Vyukov
2020-09-28 8:54 ` Borislav Petkov
2020-09-28 10:33 ` Dmitry Vyukov
2020-09-28 20:23 ` Borislav Petkov [this message]
2020-09-29 8:33 ` Borislav Petkov
2020-09-29 13:29 ` Dmitry Vyukov
2020-09-30 16:17 ` Borislav Petkov
2020-09-30 16:23 ` Dmitry Vyukov
2020-09-30 16:29 ` Dmitry Vyukov
2020-09-30 16:31 ` Borislav Petkov
2020-10-01 10:23 ` Dmitry Vyukov
2020-10-01 11:05 ` Borislav Petkov
2020-09-28 20:51 ` Nick Desaulniers
2020-09-28 21:19 ` Andy Lutomirski
2020-09-28 7:25 ` Marco Elver
2020-09-28 20:32 ` Nick Desaulniers
2020-09-29 13:27 ` Dmitry Vyukov
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