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From: Thomas Huth <thuth@redhat.com>
To: Georgi Guninski <guninski@guninski.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Guenter Roeck <linux@roeck-us.net>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
	qemu-s390x <qemu-s390x@nongnu.org>,
	qemu-devel <qemu-devel@nongnu.org>,
	Cornelia Huck <cohuck@redhat.com>
Subject: Re: [Qemu-devel] s390 qemu boot failure in -next
Date: Tue, 26 Jun 2018 07:40:36 +0200	[thread overview]
Message-ID: <f6c25172-573e-a7d2-8264-f44f0a5a0a27@redhat.com> (raw)
In-Reply-To: <20180626053246.6kyvrj7jbuhgdkgv@sivokote.iziade.m$>

On 26.06.2018 07:32, Georgi Guninski wrote:
> On Mon, Jun 25, 2018 at 09:27:59AM +0200, Christian Borntraeger wrote:
>> -            /* Overwrite parameters in the kernel image, which are "rom" */
>> -            strcpy(rom_ptr(KERN_PARM_AREA), ipl->cmdline);
> 
>> +            strcpy(rom_ptr(KERN_PARM_AREA), ipl->cmdline);
> 
> Why not replace strcpy() with strncpy() or snprintf()?
> strcpy() may overflow.

This will be fixed by
https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg04227.html by
adding a check for a valid size.

 Thomas

      reply	other threads:[~2018-06-26  5:40 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20180622194736.GA5794@roeck-us.net>
     [not found] ` <126ac556-0602-b927-58f5-cb5f65a5e0ec@de.ibm.com>
2018-06-25  7:27   ` [Qemu-devel] s390 qemu boot failure in -next Christian Borntraeger
2018-06-25  8:02     ` [Qemu-devel] [qemu-s390x] " Christian Borntraeger
2018-06-25  8:08       ` Cornelia Huck
2018-06-25  8:27       ` Thomas Huth
2018-06-25  8:05     ` [Qemu-devel] " Cornelia Huck
2018-06-25  8:29       ` Christian Borntraeger
2018-06-26  8:29         ` Cornelia Huck
2018-06-26  8:54           ` Christian Borntraeger
2018-06-25  8:36       ` Vasily Gorbik
2018-06-25  8:49         ` Cornelia Huck
2018-06-25 12:26           ` Christian Borntraeger
2018-06-25 13:35             ` Guenter Roeck
2018-06-25 15:09               ` Vasily Gorbik
2018-06-25 15:09                 ` [Qemu-devel] [PATCH] s390/boot: block uncompressed vmlinux booting attempts Vasily Gorbik
2018-06-25 19:40                   ` Guenter Roeck
2018-06-26  7:30                   ` Christian Borntraeger
2018-06-26  8:24                     ` Cornelia Huck
2018-06-26  5:32     ` [Qemu-devel] s390 qemu boot failure in -next Georgi Guninski
2018-06-26  5:40       ` Thomas Huth [this message]

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