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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Keir Fraser <keir@xen.org>,
	ross.lagerwall@citrix.com, andrew.cooper3@citrix.com,
	mpohlack@amazon.de, sasha.levin@oracle.com,
	xen-devel@lists.xenproject.org
Subject: Re: [PATCH v10 21/24] xsplice: Stacking build-id dependency checking.
Date: Mon, 2 May 2016 09:06:09 -0400	[thread overview]
Message-ID: <20160502130609.GA32191@char.us.oracle.com> (raw)
In-Reply-To: <572711B502000078000E78AC@prv-mh.provo.novell.com>

On Mon, May 02, 2016 at 12:37:09AM -0600, Jan Beulich wrote:
> >>> On 27.04.16 at 21:27, <konrad.wilk@oracle.com> wrote:
> > @@ -506,6 +518,37 @@ static int prepare_payload(struct payload *payload,
> >          }
> >      }
> >  
> > +    sec = xsplice_elf_sec_by_name(elf, ELF_BUILD_ID_NOTE);
> > +    if ( sec )
> > +    {
> > +        n = sec->load_addr;
> > +
> > +        if ( sec->sec->sh_size <= sizeof(*n) )
> > +            return -EINVAL;
> > +
> > +        if ( xen_build_id_check(n, sec->sec->sh_size,
> > +                                &payload->id.p, &payload->id.len) )
> > +            return -EINVAL;
> > +
> > +        if ( !payload->id.len || !payload->id.p )
> > +            return -EINVAL;
> > +    }
> > +
> > +    sec = xsplice_elf_sec_by_name(elf, ELF_XSPLICE_DEPENDS);
> > +    {
> 
> Looks like an "if ( sec )" got lost here.

<grumbles>

Patch sent. Thank you for spotting that!
> 
> Jan
> 

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  reply	other threads:[~2016-05-02 13:06 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-27 19:26 [PATCH v10] xSplice v1 design and implementation Konrad Rzeszutek Wilk
2016-04-27 19:26 ` [PATCH v10 01/24] xsplice: Design document Konrad Rzeszutek Wilk
2016-04-27 19:26 ` [PATCH v10 02/24] xen/xsplice: Hypervisor implementation of XEN_XSPLICE_op Konrad Rzeszutek Wilk
2016-04-28 11:08   ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 03/24] libxc: Implementation of XEN_XSPLICE_op in libxc Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 04/24] xen-xsplice: Tool to manipulate xsplice payloads Konrad Rzeszutek Wilk
2016-05-01 13:34   ` George Dunlap
2016-05-01 18:08     ` Wei Liu
2016-05-02  0:50     ` Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 05/24] arm/x86: Use struct virtual_region to do bug, symbol, and (x86) exception tables lookup Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 06/24] arm/x86/vmap: Add vmalloc_xen and vm_init_type Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 07/24] xsplice: Add helper elf routines Konrad Rzeszutek Wilk
2016-04-28 11:17   ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 08/24] xsplice: Implement payload loading Konrad Rzeszutek Wilk
2016-04-28 11:21   ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 09/24] xsplice: Implement support for applying/reverting/replacing patches Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 10/24] x86/xen_hello_world.xsplice: Test payload for patching 'xen_extra_version' Konrad Rzeszutek Wilk
2016-04-28 11:25   ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 11/24] xsplice, symbols: Implement symbol name resolution on address Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 12/24] xsplice, symbols: Implement fast symbol names -> virtual addresses lookup Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 13/24] x86, xsplice: Print payload's symbol name and payload name in backtraces Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 14/24] xsplice: Add support for bug frames Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 15/24] xsplice: Add support for exception tables Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 16/24] xsplice: Add support for alternatives Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 17/24] build_id: Provide ld-embedded build-ids Konrad Rzeszutek Wilk
2016-04-29 16:38   ` Jan Beulich
2016-04-29 17:23     ` Konrad Rzeszutek Wilk
2016-05-02  6:02       ` Jan Beulich
2016-05-02 11:05         ` Wei Liu
2016-05-02 11:13           ` Jan Beulich
2016-05-02 11:19             ` Wei Liu
2016-05-02 11:26               ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 18/24] xsplice: Print build_id in keyhandler and on bootup Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 19/24] XENVER_build_id/libxc: Provide ld-embedded build-id Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 20/24] libxl: info: Display build_id of the hypervisor Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 21/24] xsplice: Stacking build-id dependency checking Konrad Rzeszutek Wilk
2016-04-28 11:33   ` Jan Beulich
2016-05-02  6:37   ` Jan Beulich
2016-05-02 13:06     ` Konrad Rzeszutek Wilk [this message]
2016-04-27 19:27 ` [PATCH v10 22/24] xsplice/xen_replace_world: Test-case for XSPLICE_ACTION_REPLACE Konrad Rzeszutek Wilk
2016-04-28 11:35   ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 23/24] xsplice: Prevent duplicate payloads from being loaded Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 24/24] MAINTAINERS/xsplice: Add myself and Ross as the maintainers Konrad Rzeszutek Wilk
2016-04-28 11:47 ` [PATCH v10] xSplice v1 design and implementation Wei Liu
2016-04-28 18:16   ` [PATCH] xsplice: Don't perform multiple operations on same payload once work is scheduled Konrad Rzeszutek Wilk
2016-04-28 20:50     ` Wei Liu
2016-04-28 23:23     ` Andrew Cooper
2016-04-29  1:52       ` Konrad Rzeszutek Wilk
2016-04-29  2:15         ` Konrad Rzeszutek Wilk
2016-04-29  7:35         ` Jan Beulich
2016-04-29  7:49           ` Konrad Rzeszutek Wilk
2016-04-29  8:02             ` Jan Beulich

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