From a72bbcd13c515079b13dfcc3f57e933f28235f48 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 8 May 2024 05:21:30 +0200 Subject: Adding upstream version 4.19.260. Signed-off-by: Daniel Baumann --- drivers/block/loop.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/block/loop.c') diff --git a/drivers/block/loop.c b/drivers/block/loop.c index c31a76485..12eb48980 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1351,6 +1351,11 @@ 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); -- cgit v1.2.3