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| author | Caleb Sander Mateos <csander@purestorage.com> | 2026-07-29 11:10:41 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2026-08-03 20:31:54 -0600 |
| commit | 15c1339ef44054cc79c49b40b24a26aa80a2253e (patch) | |
| tree | 2f739b9352e83d85b2db4c527621bdb36a86c49b /tools/perf/scripts/python/task-analyzer.py | |
| parent | 24fd3706178f1ae5501fd1ff9036e170ed0665ba (diff) | |
ublk: remove WARN_ON_ONCE() in ublk_unmap_io()
io->res is set from struct ublksrv_io_cmd's result field, which is
controlled by the ublk server process, without any validation. It's thus
possible for userspace to trigger the io->res > rq_bytes warning.
ublk_copy_user_pages() already limits the copy length to the request
data length, so drop the warning.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Link: https://patch.msgid.link/20260729171041.45061-4-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
0 files changed, 0 insertions, 0 deletions