diff options
| author | Khazhismel Kumykov <khazhy@google.com> | 2022-04-14 15:40:56 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-27 13:14:12 +0200 |
| commit | edcb92fa5c4c2e1fccef081e061782205413410c (patch) | |
| tree | ec2ed99815ba2336dff1b7fb39fb1ece744ac9a8 /fs/sync.c | |
| parent | 53eded330e9489ce963f64c9aa7cc4856fafa4f4 (diff) | |
block/compat_ioctl: fix range check in BLKGETSIZE
commit ccf16413e520164eb718cf8b22a30438da80ff23 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/sync.c')
0 files changed, 0 insertions, 0 deletions