[VPP-573] Crash on creating vhost-user interface when socket path is empty

[vvalderrv]

Description

DBGvpp# create vhost

Thread 1 "vpp_main" received signal SIGSEGV, Segmentation fault.

__strncpy_sse2_unaligned ()

at ../sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S:296

296 ../sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S: No such file or directory.

#0 __strncpy_sse2_unaligned ()

at ../sysdeps/x86_64/multiarch/strcpy-sse2-unaligned.S:296

#1 0x00007ffff70635f8 in vhost_user_vui_init (vnm=0x68d7a0 <vnet_main>,

vui=0x7fffb67499dc, server_sock_fd=-1, sock_filename=0x0, 

feature_mask=18446744073709551615, sw_if_index=0x7fffb6747aac)

at /home/wdec/vpp/build-data/../vnet/vnet/devices/virtio/vhost-user.c:2540

#2 0x00007ffff7063a62 in vhost_user_create_if (vnm=0x68d7a0 <vnet_main>,

vm=0x68d160 <vlib_global_main>, sock_filename=0x0, is_server=0 '\000', 

sw_if_index=0x7fffb6747b3c, feature_mask=18446744073709551615, 

renumber=0 '\000', custom_dev_instance=4294967295, hwaddr=0x0)

at /home/wdec/vpp/build-data/../vnet/vnet/devices/virtio/vhost-user.c:2593

#3 0x00007ffff7063eac in vhost_user_connect_command_fn (

vm=0x68d160 <vlib_global_main>, input=0x7fffb6747ef0, cmd=0x7fffb5da23e4)

at /home/wdec/vpp/build-data/../vnet/vnet/devices/virtio/vhost-user.c:2689

#4 0x00007ffff74d2349 in vlib_cli_dispatch_sub_commands (

vm=0x68d160 <vlib_global_main>, cm=0x68d3c8 <vlib_global_main+616>, 

input=0x7fffb6747ef0, parent_command_index=118)

at /home/wdec/vpp/build-data/../vlib/vlib/cli.c:484

#5 0x00007ffff74d2257 in vlib_cli_dispatch_sub_commands (

vm=0x68d160 <vlib_global_main>, cm=0x68d3c8 <vlib_global_main+616>, 

input=0x7fffb6747ef0, parent_command_index=0)

at /home/wdec/vpp/build-data/../vlib/vlib/cli.c:462

#6 0x00007ffff74d262e in vlib_cli_input (vm=0x68d160 <vlib_global_main>,

--Type to continue, or q to quit--

input=0x7fffb6747ef0, function=0x7ffff77721e8 <unix_vlib_cli_output>, 

function_arg=0) at /home/wdec/vpp/build-data/../vlib/vlib/cli.c:558

#7 0x00007ffff7776a08 in unix_cli_process_input (

cm=0x7ffff79982e0 <unix_cli_main>, cli_file_index=0)

at /home/wdec/vpp/build-data/../vlib/vlib/unix/cli.c:2033

#8 0x00007ffff777746f in unix_cli_process (vm=0x68d160 <vlib_global_main>,

rt=0x7fffb6737000, f=0x0)

at /home/wdec/vpp/build-data/../vlib/vlib/unix/cli.c:2130

#9 0x00007ffff74f92d2 in vlib_process_bootstrap (_a=140736238566064)

at /home/wdec/vpp/build-data/../vlib/vlib/main.c:1216

#10 0x00007ffff629b3b0 in clib_calljmp ()

at /home/wdec/vpp/build-data/../vppinfra/vppinfra/longjmp.S:110

#11 0x00007fffb581ba80 in ?? ()

#12 0x00007ffff74f93fd in vlib_process_startup (vm=0x1, p=0x0, f=0x0)

at /home/wdec/vpp/build-data/../vlib/vlib/main.c:1238</p>

Assignee

Wojciech Dec

Reporter

Wojciech Dec

Comments

• wojdec (Wed, 15 Feb 2017 14:35:08 +0000): Fix is in https://gerrit.fd.io/r/#/c/4503/

Original issue: https://jira.fd.io/browse/VPP-573

[vvalderrv]

Fix is in https://gerrit.fd.io/r/#/c/4503/