From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Kristen Carlson Accardi <kristen@linux.intel.com>
Cc: keescook@chromium.org, tglx@linutronix.de, mingo@redhat.com,
bp@alien8.de, Peter Zijlstra <peterz@infradead.org>,
arjan@linux.intel.com, x86@kernel.org,
linux-kernel@vger.kernel.org,
kernel-hardening@lists.openwall.com, rick.p.edgecombe@intel.com
Subject: Re: [PATCH v3 01/10] objtool: Do not assume order of parent/child functions
Date: Tue, 23 Jun 2020 22:08:18 -0500 [thread overview]
Message-ID: <20200624030818.bvv3kld63sguqxxm@treble> (raw)
In-Reply-To: <20200623172327.5701-2-kristen@linux.intel.com>
On Tue, Jun 23, 2020 at 10:23:18AM -0700, Kristen Carlson Accardi wrote:
> If a .cold function is examined prior to it's parent, the link
> to the parent/child function can be overwritten when the parent
> is examined. Only update pfunc and cfunc if they were previously
> nil to prevent this from happening.
>
> Signed-off-by: Kristen Carlson Accardi <kristen@linux.intel.com>
> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
FYI, this patch is now in the tip tree.
--
Josh
next prev parent reply other threads:[~2020-06-24 3:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-23 17:23 [PATCH v3 00/10] Function Granular KASLR Kristen Carlson Accardi
2020-06-23 17:23 ` [PATCH v3 01/10] objtool: Do not assume order of parent/child functions Kristen Carlson Accardi
2020-06-24 3:08 ` Josh Poimboeuf [this message]
2020-06-23 17:23 ` [PATCH v3 02/10] x86: tools/relocs: Support >64K section headers Kristen Carlson Accardi
2020-06-23 17:23 ` [PATCH v3 03/10] x86/boot: Allow a "silent" kaslr random byte fetch Kristen Carlson Accardi
2020-06-23 17:23 ` [PATCH v3 04/10] x86: Makefile: Add build and config option for CONFIG_FG_KASLR Kristen Carlson Accardi
2020-06-23 17:23 ` [PATCH v3 05/10] x86: Make sure _etext includes function sections Kristen Carlson Accardi
2020-06-24 4:52 ` Kees Cook
2020-06-23 17:23 ` [PATCH v3 06/10] x86/tools: Add relative relocs for randomized functions Kristen Carlson Accardi
2020-06-23 17:23 ` [PATCH v3 07/10] x86/boot/compressed: change definition of STATIC Kristen Carlson Accardi
2020-06-24 6:54 ` Kees Cook
2020-06-23 17:23 ` [PATCH v3 08/10] x86: Add support for function granular KASLR Kristen Carlson Accardi
2020-06-24 7:11 ` Kees Cook
2020-06-23 17:23 ` [PATCH v3 09/10] kallsyms: Hide layout Kristen Carlson Accardi
2020-06-24 7:20 ` Kees Cook
2020-06-24 7:25 ` Kees Cook
2020-06-24 10:21 ` Jann Horn
2020-06-24 15:18 ` Kees Cook
2020-06-25 16:19 ` Kristen Carlson Accardi
2020-07-07 22:58 ` Kristen Carlson Accardi
2020-07-07 23:16 ` Luck, Tony
2020-07-08 16:47 ` Kristen Carlson Accardi
2020-06-23 17:23 ` [PATCH v3 10/10] module: Reorder functions Kristen Carlson Accardi
2020-06-24 7:40 ` [PATCH v3 00/10] Function Granular KASLR Kees Cook
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