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authorPavel Begunkov <asml.silence@gmail.com>2023-04-11 12:06:06 +0100
committerJens Axboe <axboe@kernel.dk>2023-04-12 12:09:41 -0600
commit13c223962eac16f161cf9b6355209774c609af28 (patch)
tree9e4b653e853938015578464a5384f4d39cbfbce9 /io_uring/rsrc.c
parent528407b1e0ea51260fff2cc8b669c632a65d7a09 (diff)
io_uring/rsrc: zero node's rsrc data on alloc
struct io_rsrc_node::rsrc_data field is initialised on rsrc removal and shouldn't be used before that, still let's play safe and zero the field on alloc. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/09bd03cedc8da8a7974c5e6e4bf0489fd16593ab.1681210788.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/rsrc.c')
-rw-r--r--io_uring/rsrc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 73f9e10d9bf0..329cc3851dfd 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -218,6 +218,7 @@ static struct io_rsrc_node *io_rsrc_node_alloc(struct io_ring_ctx *ctx)
return NULL;
}
+ ref_node->rsrc_data = NULL;
ref_node->refs = 1;
INIT_LIST_HEAD(&ref_node->node);
INIT_LIST_HEAD(&ref_node->item_list);