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Commit 8275288f authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "loop: Check for overflow while configuring loop" into kernel.lnx.4.19.r32-rel

parents 407736d1 c11d42df

drivers/block/loop.c

+5 −0
Original line number Diff line number Diff line
@@ -1410,6 +1410,11 @@ loop_get_status(struct loop_device *lo, struct loop_info64 *info) 
	info->lo_number = lo->lo_number;

	info->lo_offset = lo->lo_offset;

	info->lo_sizelimit = lo->lo_sizelimit;



	/* loff_t vars have been assigned __u64 */

	if (lo->lo_offset < 0 || lo->lo_sizelimit < 0)

		return -EOVERFLOW;



	info->lo_flags = lo->lo_flags;

	memcpy(info->lo_file_name, lo->lo_file_name, LO_NAME_SIZE);

	memcpy(info->lo_crypt_name, lo->lo_crypt_name, LO_NAME_SIZE);