[DPDK/vhost/virtio Bug 1685] [dpdk-22.11.8RC1] virtio_ipsec_cryptodev_func/test_aesni_mb_aes_cbc_sha1_hmac: dpdk-vhost_crypto Segmentation fault (core dumped) when launch qemu

[bugzilla@dpdk.org]

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https://bugs.dpdk.org/show_bug.cgi?id=1685

            Bug ID: 1685
           Summary: [dpdk-22.11.8RC1]
                    virtio_ipsec_cryptodev_func/test_aesni_mb_aes_cbc_sha1
                    _hmac:  dpdk-vhost_crypto Segmentation fault (core
                    dumped)  when launch qemu
           Product: DPDK
           Version: 22.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: vhost/virtio
          Assignee: dev@dpdk.org
          Reporter: yux.jiang@intel.com
  Target Milestone: ---

[Environment]

DPDK version: commit 684d996a20 (HEAD -> v22.11.8-rc1, tag: v22.11.8-rc1,
origin/22.11) version: 22.11.8-rc1
OS: Ubuntu 18.04.5 LTS (Bionic Beaver); 5.4.0-150-generic
Compiler: gcc version 7.5.0
Hardware platform: Intel(R) Xeon(R) Platinum 8180 CPU @ 2.50GHz
QEMU: qemu-2.12
qemu version >= 2.12 in qemu enable vhost-user-crypto:
        ./configure --target-list=x86_64-softmmu --enable-vhost-crypto
--prefix=/root/qemu-2.12 && make && make install
Qemu version: 2.12
QAT: C62x Chipset QuickAssist Technology 37c8

[Test Setup]
Steps to reproduce
List the steps to reproduce the issue.

1, Build dpdk
rm -rf x86_64-native-linuxapp-gcc
CC=gcc meson --werror -Denable_kmods=False -Dlibdir=lib -Dexamples=all
--default-library=static x86_64-native-linuxapp-gcc
ninja -C x86_64-native-linuxapp-gcc -j 110
ls x86_64-native-linuxapp-gcc/examples/dpdk-vhost_crypto

2, Bind QAT device and run the dpdk vhost sample in HOST side
usertools/dpdk-devbind.py --force --bind=vfio-pci 0000:1a:01.0 0000:1c:01.0
0000:1e:01.0
x86_64-native-linuxapp-gcc/examples/dpdk-vhost_crypto  -l 1,2,3,4,5 -a
0000:1a:01.0 -a 0000:1c:01.0 -a 0000:1e:01.0 --vdev
crypto_scheduler_pmd_1,worker=0000:1a:01.0_qat_sym,worker=0000:1c:01.0_qat_sym,worker=0000:1e:01.0_qat_sym,mode=round-robin,ordering=enable
--socket-mem 2048,0 -n 4  -- --config "(2,0,0),(3,0,0),(4,0,0),(5,0,0)"
--socket-file 2,/tmp/vm0_crypto0.sock       
--socket-file=3,/tmp/vm0_crypto1.sock       
--socket-file=4,/tmp/vm1_crypto0.sock       
--socket-file=5,/tmp/vm1_crypto1.sock

3, Bind NIC PF to vfio-pci
usertools/dpdk-devbind.py --bind=vfio-pci 0000:60:00.0 0000:60:00.1
0000:3b:00.0 0000:3b:00.1

4, Start VM0 by the qemu:
taskset -c 11,12,13,14 /usr/local/qemu-2.12.0/bin/qemu-system-x86_64  -name vm0
-enable-kvm -pidfile /tmp/.vm0.pid -daemonize -monitor
unix:/tmp/vm0_monitor.sock,server,nowait -device e1000,netdev=nttsip1  -netdev
user,id=nttsip1,hostfwd=tcp:10.67.118.199:6410-:22 -device
vfio-pci,host=0000:3b:00.0,id=pt_0 -device vfio-pci,host=0000:3b:00.1,id=pt_1
-cpu host -smp 4 -m 4096 -object
memory-backend-file,id=mem,size=4096M,mem-path=/dev/hugepages,share=on -numa
node,memdev=mem -mem-prealloc -chardev
socket,path=/tmp/vm0_qga0.sock,server,nowait,id=vm0_qga0 -device virtio-serial
-device virtserialport,chardev=vm0_qga0,name=org.qemu.guest_agent.0 -vnc :1
-chardev socket,path=/tmp/vm0_crypto0.sock,id=vm0_crypto0 -object
cryptodev-vhost-user,id=cryptodev0,chardev=vm0_crypto0 -device
virtio-crypto-pci,id=crypto0,cryptodev=cryptodev0 -chardev
socket,path=/tmp/vm0_crypto1.sock,id=vm0_crypto1 -object
cryptodev-vhost-user,id=cryptodev1,chardev=vm0_crypto1 -device
virtio-crypto-pci,id=crypto1,cryptodev=cryptodev1 -drive
file=/root/VMs/ubuntu2004-0.img


[Actual Result]
VM logs:
root@dpdk-yaobing-purely147:~/dpdk# taskset -c 11,12,13,14
/usr/local/qemu-2.12.0/bin/qemu-system-x86_64  -name vm0 -enable-kvm -pidfile
/tmp/.vm0.pid -daemonize -monitor unix:/tmp/vm0_monitor.sock,server,nowait
-device e1000,netdev=nttsip1  -netdev
user,id=nttsip1,hostfwd=tcp:10.67.118.199:6010-:22 -device
vfio-pci,host=0000:3b:00.0,id=pt_0 -device vfio-pci,host=0000:3b:00.1,id=pt_1
-cpu host -smp 4 -m 4096 -object
memory-backend-file,id=mem,size=4096M,mem-path=/dev/hugepages,share=on -numa
node,memdev=mem -mem-prealloc -chardev
socket,path=/tmp/vm0_qga0.sock,server,nowait,id=vm0_qga0 -device virtio-serial
-device virtserialport,chardev=vm0_qga0,name=org.qemu.guest_agent.0 -vnc :1
-chardev socket,path=/tmp/vm0_crypto0.sock,id=vm0_crypto0 -object
cryptodev-vhost-user,id=cryptodev0,chardev=vm0_crypto0 -device
virtio-crypto-pci,id=crypto0,cryptodev=cryptodev0 -chardev
socket,path=/tmp/vm0_crypto1.sock,id=vm0_crypto1 -object
cryptodev-vhost-user,id=cryptodev1,chardev=vm0_crypto1 -device
virtio-crypto-pci,id=crypto1,cryptodev=cryptodev1 -drive
file=/root/VMs/ubuntu2004-0.img
qemu-system-x86_64: -object
cryptodev-vhost-user,id=cryptodev0,chardev=vm0_crypto0: Failed to read msg
header. Read 0 instead of 12. Original request 1.
qemu-system-x86_64: -object
cryptodev-vhost-user,id=cryptodev0,chardev=vm0_crypto0: failed to init
vhost_crypto for queue 0


DPDK VHOST sample HOST log: 
root@dpdk-yaobing-purely147:~/dpdk#
x86_64-native-linuxapp-gcc/examples/dpdk-vhost_crypto  -l 1,2,3,4,5 -a
0000:1a:01.0 -a 0000:1c:01.0 -a 0000:1e:01.0 --vdev
crypto_scheduler_pmd_1,worker=0000:1a:01.0_qat_sym,worker=0000:1c:01.0_qat_sym,worker=0000:1e:01.0_qat_sym,mode=round-robin,ordering=enable
--socket-mem 2048,0 -n 4  -- --config "(2,0,0),(3,0,0),(4,0,0),(5,0,0)"
--socket-file 2,/tmp/vm0_crypto0.sock       
--socket-file=3,/tmp/vm0_crypto1.sock       
--socket-file=4,/tmp/vm1_crypto0.sock       
--socket-file=5,/tmp/vm1_crypto1.sock
EAL: Detected CPU lcores: 112
EAL: Detected NUMA nodes: 2
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: VFIO support initialized
EAL: Using IOMMU type 1 (Type 1)
EAL: Probe PCI driver: qat (8086:37c9) device: 0000:1a:01.0 (socket 0)
CRYPTODEV: Creating cryptodev 0000:1a:01.0_qat_sym
CRYPTODEV: Initialisation parameters - name: 0000:1a:01.0_qat_sym,socket id: 0,
max queue pairs: 0
CRYPTODEV: Creating cryptodev 0000:1a:01.0_qat_asym
CRYPTODEV: Initialisation parameters - name: 0000:1a:01.0_qat_asym,socket id:
0, max queue pairs: 0
EAL: Probe PCI driver: qat (8086:37c9) device: 0000:1c:01.0 (socket 0)
CRYPTODEV: Creating cryptodev 0000:1c:01.0_qat_sym
CRYPTODEV: Initialisation parameters - name: 0000:1c:01.0_qat_sym,socket id: 0,
max queue pairs: 0
CRYPTODEV: Creating cryptodev 0000:1c:01.0_qat_asym
CRYPTODEV: Initialisation parameters - name: 0000:1c:01.0_qat_asym,socket id:
0, max queue pairs: 0
EAL: Probe PCI driver: qat (8086:37c9) device: 0000:1e:01.0 (socket 0)
CRYPTODEV: Creating cryptodev 0000:1e:01.0_qat_sym
CRYPTODEV: Initialisation parameters - name: 0000:1e:01.0_qat_sym,socket id: 0,
max queue pairs: 0
CRYPTODEV: Creating cryptodev 0000:1e:01.0_qat_asym
CRYPTODEV: Initialisation parameters - name: 0000:1e:01.0_qat_asym,socket id:
0, max queue pairs: 0
CRYPTODEV: Creating cryptodev crypto_scheduler_pmd_1
CRYPTODEV: Initialisation parameters - name: crypto_scheduler_pmd_1,socket id:
0, max queue pairs: 8
cryptodev_scheduler_create() line 140:   Scheduling mode = round-robin
cryptodev_scheduler_create() line 195:   Packet ordering = enable
USER1: Processing on Core 2 started
VHOST_CONFIG: (/tmp/vm0_crypto0.sock) logging feature is disabled in async copy
mode
VHOST_CONFIG: (/tmp/vm0_crypto0.sock) vhost-user server: socket created, fd: 49
VHOST_CONFIG: (/tmp/vm0_crypto0.sock) binding succeeded
CRYPTODEV: rte_cryptodev_start() line 1208: Device with dev_id=0 already
started
VHOST_CONFIG: (/tmp/vm0_crypto1.sock) logging feature is disabled in async copy
mode
VHOST_CONFIG: (/tmp/vm0_crypto1.sock) vhost-user server: socket created, fd: 53
USER1: Processing on Core 3 started
VHOST_CONFIG: (/tmp/vm0_crypto1.sock) binding succeeded
CRYPTODEV: rte_cryptodev_start() line 1208: Device with dev_id=0 already
started
VHOST_CONFIG: (/tmp/vm1_crypto0.sock) logging feature is disabled in async copy
mode
VHOST_CONFIG: (/tmp/vm1_crypto0.sock) vhost-user server: socket created, fd: 54
USER1: Processing on Core 4 started
VHOST_CONFIG: (/tmp/vm1_crypto0.sock) binding succeeded
CRYPTODEV: rte_cryptodev_start() line 1208: Device with dev_id=0 already
started
VHOST_CONFIG: (/tmp/vm1_crypto1.sock) logging feature is disabled in async copy
mode
VHOST_CONFIG: (/tmp/vm1_crypto1.sock) vhost-user server: socket created, fd: 55
USER1: Processing on Core 5 started
VHOST_CONFIG: (/tmp/vm1_crypto1.sock) binding succeeded
VHOST_CONFIG: (/tmp/vm0_crypto0.sock) new vhost user connection is 56
VHOST_CONFIG: (/tmp/vm0_crypto0.sock) new device, handle is 0
USER1: New Vhost-crypto Device /tmp/vm0_crypto0.sock, Device ID 0
Segmentation fault (core dumped)

[Regression]
Is this issue a regression: (Y/N) Y
Bad commit id: 6816d998b0 examples/vhost_crypto: fix user callbacks
commit 6816d998b04e26ca4468356e0a3c10daf65412eb
Author: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Date:   Fri Feb 28 19:17:11 2025 +0530

    examples/vhost_crypto: fix user callbacks

    [ upstream commit f7cf44d49b1115238a87c5852db4b47290bfdc25 ]

    In order to handle new vhost user connection, use new_connection
    and destroy_connection callbacks.

    Fixes: f5188211c721 ("examples/vhost_crypto: add sample application")

    Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
    Acked-by: Akhil Goyal <gakhil@marvell.com>
    Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

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