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Message-ID: <878wxouafc.fsf@duaron.myhome.or.jp> Date: Mon, 02 Jun 2008 06:12:23 +0900 From: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> To: Pavel Machek <pavel@....cz> Cc: Dave Jones <davej@...hat.com>, Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: Rsync cannot copy to a vfat partition on kernel 2.6.25 Pavel Machek <pavel@....cz> writes: > Hi! Hi, >> > We had a user report at https://bugzilla.redhat.com/show_bug.cgi?id=449080 >> > that in 2.6.25, he can no longer rsync to a vfat partition, even as root. >> > I just reproduced this here. It gets -EPERM in the mkstemp call. >> > (full strace in the bug report). >> > >> > Did we change behaviour somehow in the vfat code? >> > 2.6.24.7 works fine apparently. >> >> Yes, it was changed. New one allows only acceptable chmod(), and if not >> acceptable, it returns -EPERM. Old one allows even if it can't store the >> disk inode. But it may be too strict for users. > > Hmm... but I guess mkstemp is no longer safe with this? > > So we have choice between security hole and regression...? Maybe. But if users choose the group or world writable umask, I guess nobody would care the permission of temporary file, because all file is writable always. Um.. -- OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> -- 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/
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