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From: He Ying <heying24@huawei.com>
To: <rmk+kernel@armlinux.org.uk>, <arnd@arndb.de>, <ardb@kernel.org>,
	<akpm@linux-foundation.org>, <maninder1.s@samsung.com>,
	<wangkefeng.wang@huawei.com>
Cc: <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH] arm: Show real address of stack limit in __die()
Date: Thu, 2 Dec 2021 01:19:16 -0500	[thread overview]
Message-ID: <20211202061916.204718-1-heying24@huawei.com> (raw)

Printing real address of stack limit makes debug easier.
And system is dying, there is no security risk to show real
address.

Signed-off-by: He Ying <heying24@huawei.com>
---
 arch/arm/kernel/traps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 195dff58bafc..7d7c86d00482 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -273,7 +273,7 @@ static int __die(const char *str, int err, struct pt_regs *regs)
 	print_modules();
 	__show_regs(regs);
 	__show_regs_alloc_free(regs);
-	pr_emerg("Process %.*s (pid: %d, stack limit = 0x%p)\n",
+	pr_emerg("Process %.*s (pid: %d, stack limit = 0x%px)\n",
 		 TASK_COMM_LEN, tsk->comm, task_pid_nr(tsk), end_of_stack(tsk));
 
 	if (!user_mode(regs) || in_interrupt()) {
-- 
2.17.1


             reply	other threads:[~2021-12-02  6:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-02  6:19 He Ying [this message]
2021-12-27  1:56 ` He Ying

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