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authorPavel Begunkov2025-03-28 23:11:50 +0000
committerGreg Kroah-Hartman2025-05-29 11:02:03 +0200
commit01677e7ee12f2f6a379f82e35909119f11d554d0 (patch)
tree2611e668dd47ef262008b2e83c09d620f8386450 /io_uring
parentbab0bd138910e234dc2c8d3e9e8e9bfdd5bd7f6a (diff)
io_uring/msg: initialise msg request opcode
[ Upstream commit 9cc0bbdaba2a66ad90bc6ce45163b7745baffe98 ] It's risky to have msg request opcode set to garbage, so at least initialise it to nop. Later we might want to add a user inaccessible opcode for such cases. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/9afe650fcb348414a4529d89f52eb8969ba06efd.1743190078.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'io_uring')
-rw-r--r--io_uring/msg_ring.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/io_uring/msg_ring.c b/io_uring/msg_ring.c
index 7fd9badcfaf8..35b1b585e9cb 100644
--- a/io_uring/msg_ring.c
+++ b/io_uring/msg_ring.c
@@ -94,6 +94,7 @@ static int io_msg_remote_post(struct io_ring_ctx *ctx, struct io_kiocb *req,
kmem_cache_free(req_cachep, req);
return -EOWNERDEAD;
}
+ req->opcode = IORING_OP_NOP;
req->cqe.user_data = user_data;
io_req_set_res(req, res, cflags);
percpu_ref_get(&ctx->refs);