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(parent: 88f171a) | patch
io_uring: fix leaving invalid req->flags
authorPavel Begunkov <asml.silence@gmail.com>
Sat, 20 Feb 2021 01:39:53 +0000 (01:39 +0000)
committerJens Axboe <axboe@kernel.dk>
Sun, 21 Feb 2021 02:02:45 +0000 (19:02 -0700)
commitebf4a5db690a47e71056381ead8a134de7202694
treecd9b8363a2fb5746232be481d088295b735821c7tree | snapshot
parent88f171ab7798a1ed0b9e39867ee16f307466e870commit | diff
io_uring: fix leaving invalid req->flags

sqe->flags are subset of req flags, so incorrectly copied may span into
in-kernel flags and wreck havoc, e.g. by setting REQ_F_INFLIGHT.

Fixes: 5be9ad1e4287e ("io_uring: optimise io_init_req() flags setting")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
Domain: System / Kernel;