linux-kernel - Re: [PATCH 03/44 take 2] [UBI] user-space API header

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 17 Feb 2007 22:27:27 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Artem Bityutskiy <dedekind@...radead.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	Frank Haverkamp <haver@...t.ibm.com>,
	Josh Boyer <jwboyer@...ux.vnet.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	David Woodhouse <dwmw2@...radead.org>
Subject: Re: [PATCH 03/44 take 2] [UBI] user-space API header

On Saturday 17 February 2007 17:54, Artem Bityutskiy wrote:
> +struct ubi_mkvol_req {
> +       int32_t vol_id;
> +       int32_t alignment;
> +       int64_t bytes;
> +       int8_t vol_type;
> +       int8_t padding[9];
> +       int16_t name_len;
> +       __user const char *name;
> +} __attribute__ ((packed));

This structure is not suitable for an ioctl call, because it has
incompatible layout between 32 and 64 bit processes. The easiest
fix for this would be to change the 'name' field to an array
instead of a pointer.

	Arnd <><
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/