[Devel] [PATCH VZ9] fs/fuse kio: fixed a bug in pcs_rpc_cancel_msg

Liu Kui kui.liu at virtuozzo.com
Tue Sep 24 13:09:17 MSK 2024


Set the error when a msg is cancelled, otherwise it could crash kernel
when the cancelled msg has not been sent.

Signed-off-by: Liu Kui <kui.liu at virtuozzo.com>
---
 fs/fuse/kio/pcs/pcs_rpc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/fuse/kio/pcs/pcs_rpc.c b/fs/fuse/kio/pcs/pcs_rpc.c
index 80bbffcb88a8..a4f3ae1fdf5b 100644
--- a/fs/fuse/kio/pcs/pcs_rpc.c
+++ b/fs/fuse/kio/pcs/pcs_rpc.c
@@ -592,6 +592,7 @@ int pcs_rpc_cancel_msg(struct pcs_msg *msg)
 	list_del(&msg->list);
 	spin_unlock(&ep->q_lock);
 
+	pcs_set_local_error(&msg->error, PCS_ERR_CANCEL_REQUEST);
 	pcs_msg_del_calendar(msg);
 	msg->stage = PCS_MSG_STAGE_NONE;
 	msg->done(msg);
-- 
2.39.3 (Apple Git-146)



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