diff options
| author |   fanxb <fxb_mail@163.com> | 2022-06-17 16:19:43 +0800 |
|---|---|---|
| committer | fanxb <fxb_mail@163.com> | 2022-06-17 18:16:57 +0800 |
| commit | 5b4b4c05ff06b866b90b0df9b2be2ed28e606f16 (patch) | |
| tree | 051e8a62f0bf68f4790366dfb77ea02b2e0a6ec4 | |
| parent | d6c3b1f1fc2cfa50a67222e272a7e48744708d9f (diff) | |
quic:fix crash rx_fifo full or grow
if when the rx_fifo grows, svm_fifo_enqueue() return -4,
stream_data->app_rx_data_len += rlen type conversion occurs,
Finally,stream->recvstate.data_off calculation is wrong.
Type:fix
Signed-off-by: fanxb <fxb_mail@163.com>
Change-Id: Iae11f0c453f32d836f4148d70e3b121545a53a90
| -rw-r--r-- | src/plugins/quic/quic.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/plugins/quic/quic.c b/src/plugins/quic/quic.c index 3655f9538b8..26113066014 100644 --- a/src/plugins/quic/quic.c +++ b/src/plugins/quic/quic.c @@ -876,6 +876,14 @@ quic_on_receive (quicly_stream_t * stream, size_t off, const void *src, { /* Streams live on the same thread so (f, stream_data) should stay consistent */ rlen = svm_fifo_enqueue (f, len, (u8 *) src); + if (PREDICT_FALSE (rlen < 0)) + { + /* + * drop, fifo full + * drop, fifo grow + */ + return; + } QUIC_DBG (3, "Session [idx %u, app_wrk %u, ti %u, rx-fifo 0x%llx]: " "Enqueuing %u (rlen %u) at off %u in %u space, ", stream_session->session_index, @@ -898,6 +906,14 @@ quic_on_receive (quicly_stream_t * stream, size_t off, const void *src, rlen = svm_fifo_enqueue_with_offset (f, off - stream_data->app_rx_data_len, len, (u8 *) src); + if (PREDICT_FALSE (rlen < 0)) + { + /* + * drop, fifo full + * drop, fifo grow + */ + return; + } QUIC_ASSERT (rlen == 0); } return; |