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(parent: d8a3ba9) | 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)
commit6fb53cf8ff2c4713247df523404d24f466b98f52
treea19c78dcdb9068b272f4e792fe6ef75500c9f065tree | snapshot
parentd8a3ba9c143bf89c032deced8a686ffa53b46098commit | 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: e7a6c00dc77a ("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
Domain: System / Kernel;