From: Dave Hansen <dave.hansen@intel.com>
To: Jarkko Sakkinen <jarkko@kernel.org>, linux-sgx@vger.kernel.org
Cc: Haitao Huang <haitao.huang@linux.intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Sean Christopherson <seanjc@google.com>,
Jethro Beekman <jethro@fortanix.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v8] x86/sgx: Maintain encl->refcount for each encl->mm_list entry
Date: Sun, 7 Feb 2021 14:37:17 -0800 [thread overview]
Message-ID: <41238875-988f-fbb1-af2b-2e667ba8861d@intel.com> (raw)
In-Reply-To: <20210207221401.29933-1-jarkko@kernel.org>
> This has been shown in tests:
>
> [ +0.000008] WARNING: CPU: 3 PID: 7620 at kernel/rcu/srcutree.c:374 cleanup_srcu_struct+0xed/0x100
>
> This is essentially a use-after free, although SRCU notices it as
> an SRCU cleanup in an invalid context.
...
Acked-by: Dave Hansen <dave.hansen@linux.intel.com
next prev parent reply other threads:[~2021-02-07 22:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-07 22:14 [PATCH v8] x86/sgx: Maintain encl->refcount for each encl->mm_list entry Jarkko Sakkinen
2021-02-07 22:37 ` Dave Hansen [this message]
2021-02-08 18:20 ` [tip: x86/urgent] " tip-bot2 for Jarkko Sakkinen
2021-04-14 1:15 ` [PATCH v8] " Haitao Huang
2021-04-14 15:51 ` Sean Christopherson
2021-04-14 16:58 ` Dave Hansen
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