From: Randy Dunlap <rdunlap@infradead.org>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: linux-next: Tree for Feb 8 (objtool: warnings: 5)
Date: Mon, 8 Feb 2021 13:39:03 -0800 [thread overview]
Message-ID: <9fd03d53-8001-b76f-feea-179c13633a8b@infradead.org> (raw)
In-Reply-To: <20210208212153.vs2v7k2c55a3syvo@treble>
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On 2/8/21 1:21 PM, Josh Poimboeuf wrote:
> On Mon, Feb 08, 2021 at 11:30:59AM -0800, Randy Dunlap wrote:
>> On 2/8/21 4:52 AM, Stephen Rothwell wrote:
>>> Hi all,
>>>
>>> Changes since 20210205:
>>>
>>
>> on x86_64:
>>
>> objtool warnings: (from 3 different randconfig builds)
>>
>> drivers/input/touchscreen/elants_i2c.o: warning: objtool: elants_i2c_initialize() falls through to next function elants_i2c_resume()
>
> Randy, can you share the .o? (you may need to gzip it, still waiting on
> corporate IT to allow me to receive .o files)
Sure, no problem. It's attached.
>> fs/select.o: warning: objtool: do_sys_poll()+0x8e9: call to __ubsan_handle_sub_overflow() with UACCESS enabled
>> lib/iov_iter.o: warning: objtool: iovec_from_user.part.12()+0x2db: call to __ubsan_handle_add_overflow() with UACCESS enabled
>
> Peter, we need the patch to prevent UBSAN with gcc7?
>
>> vmlinux.o: warning: objtool: do_machine_check()+0x7ee: call to queue_task_work() leaves .noinstr.text section
>> vmlinux.o: warning: objtool: lock_is_held_type()+0x107: call to warn_bogus_irq_restore() leaves .noinstr.text section
>
> Peter?
thanks.
--
~Randy
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next prev parent reply other threads:[~2021-02-08 21:51 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 12:52 linux-next: Tree for Feb 8 Stephen Rothwell
2021-02-08 19:30 ` linux-next: Tree for Feb 8 (objtool: warnings: 5) Randy Dunlap
2021-02-08 21:21 ` Josh Poimboeuf
2021-02-08 21:39 ` Randy Dunlap [this message]
2021-02-09 22:59 ` Josh Poimboeuf
2021-02-10 0:16 ` Randy Dunlap
2021-02-09 8:06 ` Peter Zijlstra
2021-02-09 23:23 ` [PATCH] ubsan: remove overflow checks Andrey Ryabinin
2021-02-10 0:19 ` Kees Cook
2021-02-10 7:50 ` Peter Zijlstra
2021-02-10 11:55 ` Andrey Rybainin
2021-02-09 8:34 ` [PATCH] lockdep: Noinstr annotate warn_bogus_irq_restore() Peter Zijlstra
2021-02-09 13:24 ` Mark Rutland
2021-02-09 16:03 ` Peter Zijlstra
2021-02-09 16:13 ` Mark Rutland
2021-02-09 18:28 ` Randy Dunlap
2021-02-10 13:59 ` [tip: locking/core] " tip-bot2 for Peter Zijlstra
2021-02-09 3:33 ` linux-next: Tree for Feb 8 (Warning at arch/x86/kernel/irq.c:390) Randy Dunlap
2021-02-09 10:17 ` Borislav Petkov
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