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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 03:21:38 +0000 |
commit | 9351405e44641037ccff29c0d88d92c0617b5088 (patch) | |
tree | dfee90e28394ae31df1033696f8656add6c4fc26 /drivers/block/loop.c | |
parent | Releasing progress-linux version 4.19.249-2progress5u1. (diff) | |
download | linux-9351405e44641037ccff29c0d88d92c0617b5088.tar.xz linux-9351405e44641037ccff29c0d88d92c0617b5088.zip |
Merging upstream version 4.19.260.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/block/loop.c')
-rw-r--r-- | drivers/block/loop.c | 5 |
1 files changed, 5 insertions, 0 deletions
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); |