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From: Andreas Schwab <schwab@linux-m68k.org>
To: Jisheng Zhang <jszhang3@mail.ustc.edu.cn>
Cc: Atish Patra <atishp@atishpatra.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	tongtiangen@huawei.com, Paul Walmsley <paul.walmsley@sifive.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	"linux-kernel@vger.kernel.org List"
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -next v2] riscv: add VMAP_STACK overflow detection
Date: Thu, 22 Jul 2021 17:42:52 +0200	[thread overview]
Message-ID: <87zguexslf.fsf@igel.home> (raw)
In-Reply-To: <20210722213724.1f12a0e7@xhacker> (Jisheng Zhang's message of "Thu, 22 Jul 2021 21:37:24 +0800")

On Jul 22 2021, Jisheng Zhang wrote:

> I think we need to pin the stack before calling get_wchan(), could you please
> try below patch?

Thanks, this fixes the crash for me.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

WARNING: multiple messages have this Message-ID (diff)
From: Andreas Schwab <schwab@linux-m68k.org>
To: Jisheng Zhang <jszhang3@mail.ustc.edu.cn>
Cc: Atish Patra <atishp@atishpatra.org>,
	 Palmer Dabbelt <palmer@dabbelt.com>,
	 tongtiangen@huawei.com,
	 Paul Walmsley <paul.walmsley@sifive.com>,
	 Albert Ou <aou@eecs.berkeley.edu>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	"linux-kernel@vger.kernel.org List"
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH -next v2] riscv: add VMAP_STACK overflow detection
Date: Thu, 22 Jul 2021 17:42:52 +0200	[thread overview]
Message-ID: <87zguexslf.fsf@igel.home> (raw)
In-Reply-To: <20210722213724.1f12a0e7@xhacker> (Jisheng Zhang's message of "Thu, 22 Jul 2021 21:37:24 +0800")

On Jul 22 2021, Jisheng Zhang wrote:

> I think we need to pin the stack before calling get_wchan(), could you please
> try below patch?

Thanks, this fixes the crash for me.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  parent reply	other threads:[~2021-07-22 15:43 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21  3:28 [PATCH -next v2] riscv: add VMAP_STACK overflow detection Tong Tiangen
2021-06-21  3:28 ` Tong Tiangen
2021-07-06 20:24 ` Palmer Dabbelt
2021-07-06 20:24   ` Palmer Dabbelt
2021-07-15 16:22 ` Andreas Schwab
2021-07-15 16:22   ` Andreas Schwab
2021-07-16 12:53   ` Jisheng Zhang
2021-07-16 12:53     ` Jisheng Zhang
2021-07-16 15:53     ` Andreas Schwab
2021-07-16 15:53       ` Andreas Schwab
2021-07-17  2:18       ` Jisheng Zhang
2021-07-17  2:18         ` Jisheng Zhang
2021-07-17  6:55         ` Andreas Schwab
2021-07-17  6:55           ` Andreas Schwab
2021-07-19  3:27           ` tongtiangen
2021-07-19  3:27             ` tongtiangen
2021-07-19  7:23             ` Andreas Schwab
2021-07-19  7:23               ` Andreas Schwab
2021-07-22  6:12               ` Palmer Dabbelt
2021-07-22  6:12                 ` Palmer Dabbelt
2021-07-22  8:35                 ` Atish Patra
2021-07-22  8:35                   ` Atish Patra
2021-07-22 13:37                   ` Jisheng Zhang
2021-07-22 13:37                     ` Jisheng Zhang
2021-07-22 14:24                     ` Jisheng Zhang
2021-07-22 14:24                       ` Jisheng Zhang
2021-07-22 15:42                     ` Andreas Schwab [this message]
2021-07-22 15:42                       ` Andreas Schwab
2021-07-22 23:54                       ` Jisheng Zhang
2021-07-22 23:54                         ` Jisheng Zhang
2021-07-23  1:36                         ` tongtiangen
2021-07-23  1:36                           ` tongtiangen
2021-07-23  4:29                           ` Jisheng Zhang
2021-07-23  4:29                             ` Jisheng Zhang
2021-07-23  4:40                             ` Jisheng Zhang
2021-07-23  4:40                               ` Jisheng Zhang
2021-07-23  6:49                               ` tongtiangen
2021-07-22  9:02                 ` Andreas Schwab
2021-07-22  9:02                   ` Andreas Schwab

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