public inbox for binutils@sourceware.org
 help / color / mirror / Atom feed
From: Tsukasa OI <research_trasio@irq.a4lg.com>
To: Jan Beulich <jbeulich@suse.com>,
	Binutils <binutils@sourceware.org>,
	gdb-patches@sourceware.org
Subject: Re: [PATCH 0/2] RISC-V: Fix buffer overflow after long instruction support
Date: Tue, 4 Oct 2022 18:47:32 +0900	[thread overview]
Message-ID: <f5e76b7f-17d4-fd62-5b3c-dcd911d5afa8@irq.a4lg.com> (raw)
In-Reply-To: <ecc23ad1-f856-b01a-e0d5-10aac95cf017@suse.com>

On 2022/10/04 18:44, Jan Beulich wrote:
> On 04.10.2022 11:26, Tsukasa OI wrote:
>> On 2022/10/04 18:07, Jan Beulich wrote:
>>> On 04.10.2022 10:59, Tsukasa OI wrote:
>>>> After commit bb996692bd9 "RISC-V/gas: allow generating up to 176-bit
>>>> instructions with .insn", I started to see some crashes while running
>>>> "make check-gas".
>>>
>>> Hmm, I'm puzzled why things worked correctly for me. The extra size needed
>>> is quite significant, so chances should be rather slim for things to work
>>> correctly.
>>
>> I don't see this extra stack size as a problem so far.
> 
> I guess my wording was misleading: I would have expected things for me to
> be broken as well, simply because the amount of overrun would have
> clobbered multiple stack slots (the more that some of my testing was on a
> 32-bit host).

Ah, that would make sense.

Thanks,
Tsukasa

> 
> Jan
> 

  reply	other threads:[~2022-10-04  9:47 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-04  8:59 Tsukasa OI
2022-10-04  8:59 ` [PATCH 1/2] RISC-V: Fix buffer overflow on print_insn_riscv Tsukasa OI
2022-10-04  8:59 ` [PATCH 2/2] gdb/riscv: Fix buffer overflow on riscv_insn::fetch_instruction Tsukasa OI
2022-10-04  9:04   ` Andreas Schwab
2022-10-04  9:07 ` [PATCH 0/2] RISC-V: Fix buffer overflow after long instruction support Jan Beulich
2022-10-04  9:26   ` Tsukasa OI
2022-10-04  9:44     ` Jan Beulich
2022-10-04  9:47       ` Tsukasa OI [this message]
2022-10-04  9:45 ` [PATCH v2 0/2] RISC-V: Fix buffer overflow after 176-bit " Tsukasa OI
2022-10-04  9:45   ` [PATCH v2 1/2] RISC-V: Fix buffer overflow on print_insn_riscv Tsukasa OI
2022-10-04  9:58     ` Jan Beulich
2022-10-04 10:13       ` Tsukasa OI
2022-10-04 10:16         ` Jan Beulich
2022-10-04 10:18           ` Jan Beulich
2022-10-04  9:45   ` [PATCH v2 2/2] gdb/riscv: Partial support for instructions up to 176-bits Tsukasa OI
2022-10-04 11:25   ` [PATCH v3 0/2] RISC-V: Fix buffer overflow after 176-bit instruction support Tsukasa OI
2022-10-04 11:25     ` [PATCH v3 1/2] RISC-V: Fix buffer overflow on print_insn_riscv Tsukasa OI
2022-10-04 11:25     ` [PATCH v3 2/2] gdb/riscv: Partial support for instructions up to 176-bit Tsukasa OI
2022-10-04 12:23     ` [PATCH v3 0/2] RISC-V: Fix buffer overflow after 176-bit instruction support Jan Beulich
2022-10-04 13:20       ` Nelson Chu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=f5e76b7f-17d4-fd62-5b3c-dcd911d5afa8@irq.a4lg.com \
    --to=research_trasio@irq.a4lg.com \
    --cc=binutils@sourceware.org \
    --cc=gdb-patches@sourceware.org \
    --cc=jbeulich@suse.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).