Arch Linux

Description:

libnl breaks after upgrading to kernel 4.9+.

Reverting to a 4.8 solves the issue.

Building libnl from the latest commit (3dd2a0f) in master, which includes the fixes to the below bug report, fixes the issue with 4.9.

Links:
segfault in rtnl_link_sriov_parse_vflist during __rtnl_link_alloc_cache #126
https://github.com/thom311/libnl/issues/126

Steps to reproduce:

Enable Network VFs
Use Libvirt.
Upgrade to 4.9+ kernel.

Additional info:
* package version(s)
libnl 3.2.29-1

Jan 30 10:19:33 kernel: libvirtd[3630]: segfault at 7f49ae35d9e0 ip 00007f49d8f77f7f sp 00007f49ae35a600 error 7 in libnl-route-3.so.200.24.0[7f49d8f4b000+6c000]
Jan 30 10:19:33 systemd[1]: Started Process Core Dump (PID 3633/UID 0).
Jan 30 10:19:34 systemd[1]: libvirtd.service: Main process exited, code=killed, status=11/SEGV
Jan 30 10:19:34 systemd[1]: libvirtd.service: Unit entered failed state.
Jan 30 10:19:34 systemd[1]: libvirtd.service: Failed with result 'signal'.
Jan 30 10:19:34 systemd-coredump[3634]: Process 3612 (libvirtd) of user 0 dumped core.

Stack trace of thread 3630:
#0 0x00007f49d8f77f7f n/a (libnl-route-3.so.200)
#1 0x00007f49d8f6c8ad n/a (libnl-route-3.so.200)
#2 0x00007f49d8d353a3 nl_cache_parse (libnl-3.so.200)
#3 0x00007f49d8d353eb n/a (libnl-3.so.200)
#4 0x00007f49d8d3b8fc nl_recvmsgs_report (libnl-3.so.200)
#5 0x00007f49d8d3bd29 nl_recvmsgs (libnl-3.so.200)
#6 0x00007f49d8d3478b n/a (libnl-3.so.200)
#7 0x00007f49d8d3531d nl_cache_pickup (libnl-3.so.200)
#8 0x00007f49d8d35551 nl_cache_refill (libnl-3.so.200)
#9 0x00007f49d8f6b275 rtnl_link_alloc_cache_flags (libnl-route-3.so.200)
<snip>