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| author | Khazhismel Kumykov <khazhy@google.com> | 2022-04-14 15:40:56 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-04-15 06:32:40 -0600 |
| commit | ccf16413e520164eb718cf8b22a30438da80ff23 (patch) | |
| tree | c30054528fcd0e81531a4311abb380cce475ade2 /ipc | |
| parent | 3e3876d322aef82416ecc496a4d4a587e0fdf7a3 (diff) | |
| download | linux-ccf16413e520164eb718cf8b22a30438da80ff23.tar.bz2 | |
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: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Khazhismel Kumykov <khazhy@google.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220414224056.2875681-1-khazhy@google.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'ipc')
0 files changed, 0 insertions, 0 deletions