From: Dave Hansen <dave.hansen@intel.com>
To: Borislav Petkov <bp@alien8.de>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, Peter Zijlstra <peterz@infradead.org>
Subject: Re: system locks up with CONFIG_SLS=Y; 5.17.0-rc
Date: Wed, 16 Mar 2022 12:02:59 -0700 [thread overview]
Message-ID: <dd8cdcfb-b92c-3279-5c9c-18ffce90a2e8@intel.com> (raw)
In-Reply-To: <YjIwRR5UsTd3W4Bj@audible.transient.net>
On 3/16/22 11:45, Jamie Heilman wrote:
> int3: 0000 [#1] PREEMPT SMP PTI
> CPU: 0 PID: 2435 Comm: qemu-system-x86 Not tainted 5.17.0-rc8-sls #1
> Hardware name: Dell Inc. Precision WorkStation T3400 /0TP412, BIOS A14 04/30/2012
> RIP: 0010:setc+0x5/0x8 [kvm]
> Code: 00 00 0f 1f 00 0f b6 05 43 24 06 00 c3 cc 0f 1f 80 00 00 00 00 0f 90 c0 c3 cc 0f 1f 00 0f 91 c0 c3 cc 0f 1f 00 0f 92 c0 c3 cc <0f> 1f 00 0f 93 c0 c3 cc 0f 1f 00 0f 94 c0 c3 cc 0f 1f 00 0f 95 c0
> RSP: 0018:ffffc90000a1fc68 EFLAGS: 00000283
> RAX: 0000000000000281 RBX: 0000000000000006 RCX: 0000000000000005
> RDX: ffffffffa01a4024 RSI: 0000000000000000 RDI: 0000000000000000
> RBP: ffff88810ef76900 R08: 0000000000000000 R09: 0000000000000000
> R10: ffff88810ee54000 R11: 0000000000000000 R12: ffffffffa01d5720
> R13: 0000000000000000 R14: 0000000000000000 R15: ffff88810ef76900
> FS: 00007f23ecd79640(0000) GS:ffff888233c00000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> CR2: 0000000000000000 CR3: 0000000108df8000 CR4: 00000000000426f0
> Call Trace:
> <TASK>
> ? x86_emulate_insn+0x76b/0xe00 [kvm]
Ooh, fun!
This hit one of the new int3's in "ASM_RET" in "setc" in
arch/x86/kvm/emulate.c:
FOP_SETCC(setc)
Did the extra 'int3' screw up some presumed jump offset or something?
next prev parent reply other threads:[~2022-03-16 19:03 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-16 9:51 system locks up with CONFIG_SLS=Y; 5.17.0-rc Jamie Heilman
2022-03-16 12:31 ` Borislav Petkov
2022-03-16 18:45 ` Jamie Heilman
2022-03-16 19:02 ` Dave Hansen [this message]
2022-03-16 19:21 ` Borislav Petkov
2022-03-16 19:31 ` Borislav Petkov
2022-03-16 20:15 ` Jamie Heilman
2022-03-16 21:23 ` Borislav Petkov
2022-03-16 21:37 ` Jamie Heilman
2022-03-16 22:02 ` Peter Zijlstra
2022-03-17 9:37 ` [PATCH -v1.1] kvm/emulate: Fix SETcc emulation function offsets with SLS Borislav Petkov
2022-03-17 10:52 ` [PATCH -v1.2] " Borislav Petkov
2022-03-17 11:04 ` Peter Zijlstra
2022-03-19 13:24 ` Paolo Bonzini
2022-03-19 13:36 ` Borislav Petkov
2022-03-19 13:41 ` Paolo Bonzini
2022-03-19 13:50 ` Borislav Petkov
2022-03-20 14:04 ` Paolo Bonzini
2022-03-20 14:17 ` Boris Petkov
2022-03-17 17:45 ` Jamie Heilman
2022-03-16 15:34 ` system locks up with CONFIG_SLS=Y; 5.17.0-rc Dave Hansen
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