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From: David Laight <David.Laight@ACULAB.COM>
To: 'Mike Galbraith' <efault@gmx.de>, Borislav Petkov <bp@alien8.de>
Cc: Alexey Dobriyan <adobriyan@gmail.com>,
	"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	"mingo@kernel.org" <mingo@kernel.org>,
	"jpoimboe@redhat.com" <jpoimboe@redhat.com>,
	"luto@kernel.org" <luto@kernel.org>,
	"peterz@infradead.org" <peterz@infradead.org>,
	"brgerst@gmail.com" <brgerst@gmail.com>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"dvlasenk@redhat.com" <dvlasenk@redhat.com>,
	"h.peter.anvin@intel.com" <h.peter.anvin@intel.com>,
	linux-tip-commits <linux-tip-commits@vger.kernel.org>
Subject: RE: [tip:x86/pti] x86/asm: Pad assembly functions with INT3 instructions
Date: Tue, 19 Jun 2018 11:27:54 +0000	[thread overview]
Message-ID: <01de2a572d964a349e556e6c638e06d4@AcuMS.aculab.com> (raw)
In-Reply-To: <1529242717.4472.3.camel@gmx.de>

From: Mike Galbraith
> Sent: 17 June 2018 14:39
...
> > > Is dinky patchlet suggesting cryptomgr is being naughty?
...
> > diff --git a/arch/x86/crypto/aegis128-aesni-asm.S b/arch/x86/crypto/aegis128-aesni-asm.S
> > index 9254e0b6cc06..717bf0776421 100644
> > --- a/arch/x86/crypto/aegis128-aesni-asm.S
> > +++ b/arch/x86/crypto/aegis128-aesni-asm.S
> > @@ -535,6 +535,7 @@ ENTRY(crypto_aegis128_aesni_enc_tail)
> >  	movdqu STATE3, 0x40(STATEP)
> >
> >  	FRAME_END
> > +	ret
> >  ENDPROC(crypto_aegis128_aesni_enc_tail)
...

How much of the rest of the associated crypyo changes were actually tested?
I can't image the code DTRT without the 'ret'.

	David


      parent reply	other threads:[~2018-06-19 11:26 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-07 21:37 [PATCH] x86: pad assembly functions with INT3 Alexey Dobriyan
2018-05-07 21:41 ` hpa
2018-05-09 16:55   ` Alexey Dobriyan
2018-05-09 19:28     ` H. Peter Anvin
2018-05-10 16:39 ` David Laight
2018-05-11 18:53   ` H. Peter Anvin
2018-05-14  9:04     ` David Laight
2018-05-14 11:05       ` hpa
2018-05-15  6:54         ` Ingo Molnar
2018-05-15  6:59           ` hpa
2018-05-14 12:53 ` [tip:x86/pti] x86/asm: Pad assembly functions with INT3 instructions tip-bot for Alexey Dobriyan
2018-06-17 11:40   ` Mike Galbraith
2018-06-17 12:00     ` Borislav Petkov
2018-06-17 13:38       ` Mike Galbraith
2018-06-17 14:02         ` Mike Galbraith
2018-06-17 19:47           ` Borislav Petkov
2018-06-18  2:34             ` Mike Galbraith
2018-06-23 10:36               ` [PATCH] x86/crypto: Add missing RETs Borislav Petkov
2018-06-23 17:30                 ` Ondrej Mosnáček
2018-06-24  7:11                 ` Ingo Molnar
2018-06-24  7:12                   ` Thomas Gleixner
2018-06-24 10:15                     ` Borislav Petkov
2018-06-24 10:44                   ` Alexey Dobriyan
2018-06-25  7:24                     ` Ingo Molnar
2018-06-25 13:19                       ` Josh Poimboeuf
2018-06-26  6:49                         ` Ingo Molnar
2018-06-26 12:31                           ` Josh Poimboeuf
2018-07-05  7:58                             ` Ingo Molnar
2018-07-06 14:06                               ` Josh Poimboeuf
2018-07-06 14:57                                 ` Ingo Molnar
2018-07-01 13:19                 ` Herbert Xu
2018-07-01 15:24                   ` Ondrej Mosnáček
2018-07-01 15:45                     ` Herbert Xu
2018-06-19 11:27         ` David Laight [this message]

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