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authorBenoît Ganne <bganne@cisco.com>2021-06-22 11:58:27 +0200
committerFlorin Coras <florin.coras@gmail.com>2021-06-22 14:31:38 +0000
commitf017b81d05db903108ce99b9010eff55ba2b928b (patch)
tree80389a6b323dd03f5c45aa3fc944c0d6d6990629 /src/vlibmemory/socket_api.c
parent5788a34be6ccdc974e87a4ce068056d1ef8e585f (diff)
api: asan: use vec_set_len() so ASan can keep track of buffer len
ASan poison/unpoison vectors based on the vector length, but _vec_len() bypass ASan annotations, contrary to vec_set_len(). Type: fix Change-Id: I5265a5adcddef1aa11c77e0c3827346b1a66c306 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vlibmemory/socket_api.c')
-rw-r--r--src/vlibmemory/socket_api.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/vlibmemory/socket_api.c b/src/vlibmemory/socket_api.c
index f5b3a6063f9..60ca650d92f 100644
--- a/src/vlibmemory/socket_api.c
+++ b/src/vlibmemory/socket_api.c
@@ -295,7 +295,7 @@ vl_socket_read_ready (clib_file_t * uf)
}
/* Fake smaller length teporarily, so input_buffer can be used as msg_buffer. */
- _vec_len (socket_main.input_buffer) = n;
+ vec_set_len (socket_main.input_buffer, n);
/*
* Look for bugs here. This code is tricky because
@@ -340,10 +340,10 @@ vl_socket_read_ready (clib_file_t * uf)
vec_validate (rp->unprocessed_input, vec_len (msg_buffer) - 1);
clib_memcpy_fast (rp->unprocessed_input, msg_buffer,
vec_len (msg_buffer));
- _vec_len (rp->unprocessed_input) = vec_len (msg_buffer);
+ vec_set_len (rp->unprocessed_input, vec_len (msg_buffer));
}
/* No more full messages, restore original input_buffer length. */
- _vec_len (socket_main.input_buffer) = save_input_buffer_length;
+ vec_set_len (socket_main.input_buffer, save_input_buffer_length);
return 0;
}
@@ -353,7 +353,7 @@ vl_socket_read_ready (clib_file_t * uf)
* so we can overwrite its length to what single message has.
*/
data_for_process = (u8 *) vec_dup (msg_buffer);
- _vec_len (data_for_process) = msgbuf_len;
+ vec_set_len (data_for_process, msgbuf_len);
/* Everything is ready to signal the SOCKET_READ_EVENT. */
pool_get (socket_main.process_args, a);
a->reg_index = reg_index;
@@ -367,12 +367,12 @@ vl_socket_read_ready (clib_file_t * uf)
vec_delete (msg_buffer, msgbuf_len, 0);
else
/* We are done with msg_buffer. */
- _vec_len (msg_buffer) = 0;
+ vec_set_len (msg_buffer, 0);
}
while (vec_len (msg_buffer) > 0);
/* Restore input_buffer, it could have been msg_buffer. */
- _vec_len (socket_main.input_buffer) = save_input_buffer_length;
+ vec_set_len (socket_main.input_buffer, save_input_buffer_length);
return 0;
}