[LTP] [PATCH v3 4/4] cve: Add act_pedit page-cache corruption test

[Cyril Hrubis]

Hi!
> +static void run(void)
> +{
> +	struct sockaddr_in addr;
> +	uint8_t readback[DATA_SIZE];
> +	off_t off = 0;
> +	int wr_fd;
> +
> +	wr_fd = SAFE_OPEN(TESTFILE, O_WRONLY | O_CREAT, 0444);
> +	SAFE_WRITE(SAFE_WRITE_ALL, wr_fd, original, DATA_SIZE);
> +	SAFE_CLOSE(wr_fd);
> +
> +	file_fd = SAFE_OPEN(TESTFILE, O_RDONLY);
> +
> +	/*
> +	 * Clean-slate clsact qdisc so no filter is active during the
> +	 * TCP handshake (the IHL-inflating key would corrupt SYN/ACK).
> +	 */
> +	tst_netdev_remove_qdisc(__FILE__, __LINE__, 0,
> +				"lo", AF_UNSPEC, TC_H_CLSACT,
> +				TC_H_MAKE(TC_H_CLSACT, 0), "clsact");

This is a bit ugly. I guess that we need to add a variant for the macro
that would set the strict to 0 into tst_netdevice.h possibly NETDEV_MAY_REMOVE_QDISC().


For the rest (including the preparatory patches):

Reviewed-by: Cyril Hrubis <chrubis@suse.cz>

-- 
Cyril Hrubis
chrubis@suse.cz