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| author |   Li Nan <linan122@huawei.com> | 2024-03-29 09:23:19 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2024-04-02 07:43:24 -0600 |
| commit | 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155 (patch) | |
| tree | 57955015f8a4446436f0e7b45a7ed978325e044b /scripts/gdb/linux/utils.py | |
| parent | nullblk: Fix cleanup order in null_add_dev() error path (diff) | |
| download | linux-rng-22d24a544b0d49bbcbd61c8c0eaf77d3c9297155.tar.xz linux-rng-22d24a544b0d49bbcbd61c8c0eaf77d3c9297155.zip | |
block: fix overflow in blk_ioctl_discard()
There is no check for overflow of 'start + len' in blk_ioctl_discard().
Hung task occurs if submit an discard ioctl with the following param:
start = 0x80000000000ff000, len = 0x8000000000fff000;
Add the overflow validation now.
Signed-off-by: Li Nan <linan122@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240329012319.2034550-1-linan666@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions