Forum | Documentation | Website | Blog

Skip to content
Snippets Groups Projects
Commit ccf16413 authored by Khazhismel Kumykov's avatar Khazhismel Kumykov Committed by Jens Axboe
Browse files

block/compat_ioctl: fix range check in BLKGETSIZE


kernel ulong and compat_ulong_t may not be same width. Use type directly
to eliminate mismatches.

This would result in truncation rather than EFBIG for 32bit mode for
large disks.

Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Signed-off-by: default avatarKhazhismel Kumykov <khazhy@google.com>
Reviewed-by: default avatarChaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220414224056.2875681-1-khazhy@google.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 3e3876d3
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment