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authorBenoît Ganne <bganne@cisco.com>2019-04-15 15:28:21 +0200
committerDamjan Marion <dmarion@me.com>2019-11-27 10:50:28 +0000
commit9fb6d40eb3d4a2da8f45187de773498b784596e6 (patch)
treee785ebfbe73b847146debb2dae4a4304c51aa9cf /src/vlibmemory/memory_shared.c
parent99fbf0574f099f09b7b46dcabe5bb50d78091dce (diff)
misc: add address sanitizer heap instrumentation
Introduce AddressSanitizer support: https://github.com/google/sanitizers/ This starts with heap instrumentation. vlib_buffer, bihash and stack instrumentation should follow. Type: feature Change-Id: I7f20e235b2f79db72efd0e756f22c75f717a9884 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/vlibmemory/memory_shared.c')
-rw-r--r--src/vlibmemory/memory_shared.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/src/vlibmemory/memory_shared.c b/src/vlibmemory/memory_shared.c
index f44ab7c4106..6c8ec3092f1 100644
--- a/src/vlibmemory/memory_shared.c
+++ b/src/vlibmemory/memory_shared.c
@@ -42,7 +42,7 @@
#define DEBUG_MESSAGE_BUFFER_OVERRUN 0
-static inline void *
+CLIB_NOSANITIZE_ADDR static inline void *
vl_msg_api_alloc_internal (int nbytes, int pool, int may_return_null)
{
int i;
@@ -192,6 +192,7 @@ out:
#endif
rv->data_len = htonl (nbytes - sizeof (msgbuf_t));
+ VL_MSG_API_UNPOISON (rv->data);
return (rv->data);
}
@@ -296,6 +297,7 @@ vl_msg_api_free (void *a)
ASSERT (*overrun == 0x1badbabe);
}
#endif
+ VL_MSG_API_POISON (rv->data);
return;
}
@@ -331,6 +333,7 @@ vl_msg_api_free_nolock (void *a)
if (rv->q)
{
rv->q = 0;
+ VL_MSG_API_POISON (rv->data);
return;
}
@@ -753,10 +756,10 @@ void
vl_msg_api_send_shmem (svm_queue_t * q, u8 * elem)
{
api_main_t *am = &api_main;
- uword *trace = (uword *) elem;
+ void *msg = (void *) *(uword *) elem;
if (am->tx_trace && am->tx_trace->enabled)
- vl_msg_api_trace (am, am->tx_trace, (void *) trace[0]);
+ vl_msg_api_trace (am, am->tx_trace, msg);
/*
* Announce a probable binary API client bug:
@@ -786,6 +789,7 @@ vl_msg_api_send_shmem (svm_queue_t * q, u8 * elem)
q);
}
}
+ VL_MSG_API_POISON (msg);
(void) svm_queue_add (q, elem, 0 /* nowait */ );
}
@@ -799,12 +803,13 @@ void
vl_msg_api_send_shmem_nolock (svm_queue_t * q, u8 * elem)
{
api_main_t *am = &api_main;
- uword *trace = (uword *) elem;
+ void *msg = (void *) *(uword *) elem;
if (am->tx_trace && am->tx_trace->enabled)
- vl_msg_api_trace (am, am->tx_trace, (void *) trace[0]);
+ vl_msg_api_trace (am, am->tx_trace, msg);
(void) svm_queue_add_nolock (q, elem);
+ VL_MSG_API_POISON (msg);
}
/*