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"David S. Miller" wrote: > > verify_area() checks aren't enough, consider a threaded application > calling mprotect() while the copy is in progress. Couldn't we just freeze all other processes with the same mm while a copy_to_user is in progress? Of course this should only be done if CONFIG_X86_WP_WORKS_OK is not enabled, so systems with a working wp doesn't have to take a performance hit. -- Kasper Dupont -- der bruger for meget tid på usenet. For sending spam use mailto:razrep@daimi.au.dk or mailto:mcxumhvenwblvtl@skrammel.yaboo.dk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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