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(parent: 32452a3) | patch
io_uring: check that data field is 0 in ringfd unregister
authorEugene Syromiatnikov <esyr@redhat.com>
Fri, 29 Apr 2022 14:22:18 +0000 (16:22 +0200)
committerJens Axboe <axboe@kernel.dk>
Fri, 29 Apr 2022 14:39:43 +0000 (08:39 -0600)
commit303cc749c8659d5f1ccf97973591313ec0bdacd3
tree38f0530dc123bfb1ea423537ab422eee8dc7e9e6tree | snapshot
parent32452a3eb8b64e01e2be717f518c0be046975b9dcommit | diff
io_uring: check that data field is 0 in ringfd unregister

Only allow data field to be 0 in struct io_uring_rsrc_update user
arguments to allow for future possible usage.

Fixes: e7a6c00dc77a ("io_uring: add support for registering ring file descriptors")
Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
Link: https://lore.kernel.org/r/20220429142218.GA28696@asgard.redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
Domain: System / Kernel;