From: Richard Henderson <richard.henderson@linaro.org>
To: Mikulas Patocka <mpatocka@redhat.com>
Cc: "Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
"Aurelien Jarno" <aurelien@aurel32.net>,
"Aleksandar Rikalo" <aleksandar.rikalo@syrmia.com>,
"Huacai Chen" <chenhuacai@kernel.org>,
qemu-devel@nongnu.org
Subject: Re: [PATCH v2] mips: fix abort on integer overflow
Date: Tue, 3 Oct 2023 13:28:45 -0700 [thread overview]
Message-ID: <c2166e70-1e2d-0b9b-ba76-2ab27ef17c50@linaro.org> (raw)
In-Reply-To: <3ef979a8-3ee1-eb2d-71f7-d788ff88dd11@redhat.com>
On 9/28/23 12:55, Mikulas Patocka wrote:
>
>
> On Thu, 28 Sep 2023, Richard Henderson wrote:
>
>> Just call force_sig_fault directly.
>>
>>
>> r~
>
> OK. Here I'm resending it.
>
> Mikulas
>
>
>
> From: Mikulas Patocka <mpatocka@redhat.com>
>
> Qemu mips userspace emulation crashes with "qemu: unhandled CPU exception
> 0x15 - aborting" when one of the integer arithmetic instructions detects
> an overflow.
>
> This patch fixes it so that it delivers SIGFPE with FPE_INTOVF instead.
>
> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
> Cc: qemu-stable@nongnu.org
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
and queued to linux-user-next.
r~
prev parent reply other threads:[~2023-10-03 20:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-24 11:16 [PATCH] mips: fix abort on integer overflow Mikulas Patocka
2023-09-28 19:37 ` Richard Henderson
2023-09-28 19:55 ` [PATCH v2] " Mikulas Patocka
2023-10-03 20:28 ` Richard Henderson [this message]
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