From: Rongwei Wang <rongwei.wang@linux.alibaba.com>
To: 20211204045848.71105-1-rongwei.wang@linux.alibaba.com,
libc-alpha@sourceware.org, hjl.tools@gmail.com,
fweimer@redhat.com
Cc: xuyu@linux.alibaba.com, gavin.dg@linux.alibaba.com
Subject: Re: [PATCH v2 0/1] fix p_align on PT_LOAD segment in DSO isn't honored
Date: Thu, 9 Dec 2021 14:36:02 +0800 [thread overview]
Message-ID: <930ff78b-5802-ae5a-2cc7-04a7dd2e52b2@linux.alibaba.com> (raw)
In-Reply-To: <20211209055719.56245-1-rongwei.wang@linux.alibaba.com>
Sorry, I took a mistake, sent this patch twice.
The patch twice sent were completely same. Just read one patch
is OK.
Sorry for this mistake again.
On 12/9/21 1:57 PM, Rongwei Wang via Libc-alpha wrote:
> Hi
>
> This patch mainly to fix a reported bug:
>
> "p_align on PT_LOAD segment in DSO isn't honored"
> https://sourceware.org/bugzilla/show_bug.cgi?id=28676
>
> A testcase had been builded by H.J.Lu:
> https://sourceware.org/bugzilla/attachment.cgi?id=13838
>
> And in Patch 1/1, I also show a simple testcase which
> modified from H.J.Lu.
>
> And a similar bug in ELF binary was also reported:
> https://bugzilla.kernel.org/show_bug.cgi?id=215275
>
> A related fix patch could been found:
> https://lore.kernel.org/linux-mm/20211009092658.59665-4-rongwei.wang@linux.alibaba.com/
> Originally, we send this patch for introducing .text
> hugepages, was not aware of it's bug. And now, I am
> not sure whether kernel maintainer will regards it as
> a bug. But it deserved try again.
>
> Thanks.
>
> Changelog:
>
> RFC/v1 -> v2
>
> - Patch "elf: align the mapping address of LOAD segments with p_align"
> fix coding format and add testcase in commit.
>
> RFC link:
> https://patchwork.sourceware.org/project/glibc/patch/20211204045848.71105-2-rongwei.wang@linux.alibaba.com/
>
> Rongwei Wang (1):
> elf: align the mapping address of LOAD segments with p_align
>
> elf/dl-load.c | 1 +
> elf/dl-map-segments.h | 63 +++++++++++++++++++++++++++++++++++++++----
> include/link.h | 3 +++
> 3 files changed, 62 insertions(+), 5 deletions(-)
>
next prev parent reply other threads:[~2021-12-09 6:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-09 5:57 Rongwei Wang
2021-12-09 5:57 ` [PATCH v2 1/1] elf: align the mapping address of LOAD segments with p_align Rongwei Wang
2021-12-09 15:14 ` H.J. Lu
2021-12-09 18:04 ` [PATCH v3] elf: Properly align PT_LOAD segments [BZ #28676] H.J. Lu
2021-12-09 19:29 ` [PATCH v4] " H.J. Lu
2021-12-10 1:58 ` Rongwei Wang
2021-12-10 2:24 ` H.J. Lu
2021-12-10 2:34 ` Rongwei Wang
2021-12-09 6:36 ` Rongwei Wang [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-12-09 5:49 [PATCH v2 0/1] fix p_align on PT_LOAD segment in DSO isn't honored Rongwei Wang
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