wpanic: excl->share
Starting stack trace...
panic(ffffffff833b5a1c) at panic+0x1d0 sys/kern/subr_prf.c:229
witness_checkorder(ffff8000015a5078,1,0) at witness_checkorder+0x122c sys/kern/subr_witness.c:854
rw_do_enter_read(ffff8000015a5060,0) at rw_do_enter_read+0x99 sys/kern/kern_rwlock.c:355
in6_hasmulti(fffffd8064474bf0,ffff8000015a5000) at in6_hasmulti+0x41 in6_lookupmulti sys/netinet6/in6.c:-1 [inline]
in6_hasmulti(fffffd8064474bf0,ffff8000015a5000) at in6_hasmulti+0x41 sys/netinet6/in6.c:1150
ip6_output(fffffd8064474b00,ffffffff83987338,0,1,ffff80003c479480,0) at ip6_output+0x13bd sys/netinet6/ip6_output.c:507
mld6_sendpkt(ffff8000015b6480,83,0) at mld6_sendpkt+0x385 sys/netinet6/mld6.c:499
mld6_start_listening(ffff8000015b6480,ffff8000015a5000) at mld6_start_listening+0xe7 sys/netinet6/mld6.c:139
in6_addmulti(ffff80003c479828,ffff8000015a5000,ffff80003c47989c) at in6_addmulti+0x3d7 sys/netinet6/in6.c:1084
in6_joingroup(ffff8000015a5000,ffff80003c479828,ffff80003c47989c) at in6_joingroup+0x6c sys/netinet6/in6.c:-1
in6_update_ifa(ffff8000015a5000,ffff80003c479920,0) at in6_update_ifa+0x1a86 sys/netinet6/in6.c:-1
in6_ifattach_linklocal(ffff8000015a5000,0) at in6_ifattach_linklocal+0x33b sys/netinet6/in6_ifattach.c:266
in6_ifattach(ffff8000015a5000) at in6_ifattach+0x2d0 sys/netinet6/in6_ifattach.c:384
ifioctl(ffff800010fdabe0,801169ab,ffff80003c479b10,ffff8000fffe3cb0) at ifioctl+0x1b13 sys/net/if.c:2218
sys_ioctl(ffff8000fffe3cb0,ffff80003c479cf0,ffff80003c479c40) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1
syscall(ffff80003c479cf0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c479cf0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x73b8417bd330, count: 241
End of stack trace.