|SUCCESS|dpdk-next-virtio|906ff4169b| Intel-Testing
sys_stv at intel.com
sys_stv at intel.com
Wed Mar 11 23:57:45 CET 2026
Test-Label: intel-Testing
Test-Status: SUCCESS
_Testing PASS_
DPDK git repo: dpdk-next-virtio
commit 906ff4169b8ab4de07863fcee9cda661b719615e
Author: Yehor Malikov <Yehor.Malikov at solidigm.com>
Date: Wed Feb 18 10:05:40 2026 +0100
vhost: fix use-after-free in fdset during shutdown
The fdset_event_dispatch thread runs in a loop checking the destroy
flag after each epoll_wait iteration. During process exit,
rte_eal_cleanup() frees hugepage memory while the fdset thread is
still running. Since the fdset structure was allocated with
rte_zmalloc() (hugepage-backed), accessing it after rte_eal_cleanup()
causes use-after-free.
Switch fdset allocation from rte_zmalloc/rte_free to libc
calloc/free. The fdset is a control-path structure that does not
need hugepage memory. Using libc allocation ensures the fdset
remains valid after rte_eal_cleanup() releases hugepages.
Fixes: e68a6feaa3b3 ("vhost: improve fdset initialization")
Signed-off-by: Yehor Malikov <Yehor.Malikov at solidigm.com>
Acked-by: David Marchand <david.marchand at redhat.com>
Acked-by: Chengwen Feng <fengchengwen at huawei.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
Testing Summary : 18 Case Done, 18 Successful, 0 Failures
TestPlan:
pf_smoke: http://git.dpdk.org/tools/dts/tree/test_plans/pf_smoke_test_plan.rst
vf_smoke: http://git.dpdk.org/tools/dts/tree/test_plans/vf_smoke_test_plan.rst
virtio_smoke: http://git.dpdk.org/tools/dts/tree/test_plans/virtio_smoke_test_plan.rst
TestSuite:
pf_smoke: http://git.dpdk.org/tools/dts/tree/tests/TestSuite_pf_smoke.py
vf_smoke: http://git.dpdk.org/tools/dts/tree/tests/TestSuite_vf_smoke.py
virtio_smoke: http://git.dpdk.org/tools/dts/tree/tests/TestSuite_virtio_smoke.py
OS : Ubuntu 24.04.3 LTS
Kernel : 6.8.0-87-generic
GCC : 13.3.0-6ubuntu2~24.04
NIC : Ethernet Controller E810-C for SFP
Target : x86_64-native-linuxapp-gcc
Test result details:
+-------------+---------------------------+-------+
| suite | case | status|
+-------------+---------------------------+-------+
| asan_smoke | test_rxtx_with_ASan_enable| passed|
| pf_smoke | test_pf_jumbo_frames | passed|
| pf_smoke | test_pf_rss | passed|
| pf_smoke | test_pf_tx_rx_queue | passed|
| vf_smoke | test_vf_jumbo_frames | passed|
| vf_smoke | test_vf_rss | passed|
| vf_smoke | test_vf_tx_rx_queue | passed|
| virtio_smoke| test_virtio_loopback | passed|
| virtio_smoke| test_virtio_pvp | passed|
+-------------+---------------------------+-------+
OS : Ubuntu 24.04.3 LTS
Kernel : 6.8.0-71-generic
GCC : 13.3.0-6ubuntu2~24.04
NIC : Ethernet Controller XL710 for 40GbE QSFP+
Target : x86_64-native-linuxapp-gcc
Test result details:
+-------------+---------------------------+-------+
| suite | case | status|
+-------------+---------------------------+-------+
| asan_smoke | test_rxtx_with_ASan_enable| passed|
| pf_smoke | test_pf_jumbo_frames | passed|
| pf_smoke | test_pf_rss | passed|
| pf_smoke | test_pf_tx_rx_queue | passed|
| vf_smoke | test_vf_rss | passed|
| vf_smoke | test_vf_tx_rx_queue | passed|
| vf_smoke | test_vf_jumbo_frames | n/a |
| virtio_smoke| test_virtio_loopback | passed|
| virtio_smoke| test_virtio_pvp | passed|
+-------------+---------------------------+-------+
DPDK STV team
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