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Re: [Xen-devel] [PATCH] xenstored: Fix processing of zero-length messages



Thanks! Can somebody check ocaml oxenstored for deadlocks when incorrect messages sent to xenstore?

2011/10/31 Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
When a message with zero length is sent to xenstore, the body of the
message was not processed until the socket or ring had more data to
read; this will cause deadlocks if the requestor is waiting on a
response to continue.

Signed-off-by: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
---
Âtools/xenstore/xenstored_core.c | Â Â1 -
Â1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c
index 5d308ca..9e6c2c7 100644
--- a/tools/xenstore/xenstored_core.c
+++ b/tools/xenstore/xenstored_core.c
@@ -1297,7 +1297,6 @@ static void handle_input(struct connection *conn)
           Âgoto bad_client;
       Âin->used = 0;
       Âin->inhdr = false;
- Â Â Â Â Â Â Â return;
   Â}

   Âbytes = conn->read(conn, in->buffer + in->used,
--
1.7.6.4


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--
Vasiliy Tolstov,
Clodo.ru

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