Re: [PATCH 01/14] uaccess: fix integer overflow on access_ok()

2022-02-14 Thread Christoph Hellwig
Looks good, Reviewed-by: Christoph Hellwig ___ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc

[PATCH 01/14] uaccess: fix integer overflow on access_ok()

2022-02-14 Thread Arnd Bergmann
From: Arnd Bergmann Three architectures check the end of a user access against the address limit without taking a possible overflow into account. Passing a negative length or another overflow in here returns success when it should not. Use the most common correct implementation here, which optim