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(parent: 6d2fe0f) | patch
io_uring: verify resv is 0 in ringfd register/unregister
authorDylan Yudaken <dylany@fb.com>
Tue, 12 Apr 2022 16:30:41 +0000 (09:30 -0700)
committerJens Axboe <axboe@kernel.dk>
Tue, 12 Apr 2022 16:46:54 +0000 (10:46 -0600)
commit30a0051d6b4c81fec9785164388405c037b4149f
treea19c78dcdb9068b272f4e792fe6ef75500c9f065tree | snapshot
parent6d2fe0f2a9e4642bde2a8f164c8fb830afbd9e61commit | diff
io_uring: verify resv is 0 in ringfd register/unregister

Only allow resv field to be 0 in struct io_uring_rsrc_update user
arguments.

Fixes: 43ab9e4c2cae ("io_uring: add support for registering ring file descriptors")
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220412163042.2788062-4-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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