login: witness: lock_object uninitialized: 0xffffffff85222690
Starting stack trace...
witness_debugger(1) at witness_debugger+0xb2 sys/kern/subr_witness.c:2572
witness_checkorder(ffffffff85222690,9,0) at witness_checkorder+0x19c sys/kern/subr_witness.c:783
mtx_enter(ffffffff85222680) at mtx_enter+0x105 sys/kern/kern_lock.c:406
kqueue_register(ffffffff85222680,ffff80003bb7b920,0,0) at kqueue_register+0x3ab sys/kern/kern_event.c:1445
knote_processfork(ffffffff8546b440,1111a) at knote_processfork+0x5b1 sys/kern/kern_event.c:2286
fork1(ffffffff8546b0e0,f0,ffffffff8237f7a0,0,0,ffff80003bb7bb00) at fork1+0x1225 sys/kern/kern_fork.c:511
kthread_create(ffffffff8237f7a0,0,ffffffff854ab200,ffffffff84935760) at kthread_create+0xa8 sys/kern/kern_kthread.c:61
sys_acct(ffff800045ffd770,ffff80003bb7bed0,ffff80003bb7be40) at sys_acct+0x35e acct_start sys/kern/kern_acct.c:300 [inline]
sys_acct(ffff800045ffd770,ffff80003bb7bed0,ffff80003bb7be40) at sys_acct+0x35e sys/kern/kern_acct.c:151
syscall(ffff80003bb7bed0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003bb7bed0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x14d3cffd430, count: 247
End of stack trace.
Stopped at      db_enter+0x17:  popq    %rbp
ddb{0}> set $lines = 0
ddb{0}> set $maxwidth = 0
ddb{0}> show panic
the kernel did not panic
ddb{0}> show kasan
kasan: no report recorded this boot
ddb{0}>