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| author | Khazhismel Kumykov <khazhy@google.com> | 2022-04-14 15:40:56 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-27 13:39:45 +0200 |
| commit | ace51abe0f3a92d512440291f8a47e2cb094ca74 (patch) | |
| tree | 2f33c325e72959bc1bb4a53b2e38c2831cbf88e9 /include/net | |
| parent | b6b3781ad1ff1299bf149032b4d5b1d61b7392da (diff) | |
| download | linux-stable-ace51abe0f3a92d512440291f8a47e2cb094ca74.tar.gz linux-stable-ace51abe0f3a92d512440291f8a47e2cb094ca74.tar.bz2 linux-stable-ace51abe0f3a92d512440291f8a47e2cb094ca74.zip | |
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 'include/net')
0 files changed, 0 insertions, 0 deletions