panic: trap type 4, code=0, pc=ffffffff82c3391a
Starting stack trace...
panic(ffffffff833a2066) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a3f0d90) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
lf_advlock(ffff80000150af60,0,fffffd80606487a8,8,ffff80002a3f0f88,30) at lf_advlock+0x2fa ls_ref sys/kern/vfs_lockf.c:138 [inline]
lf_advlock(ffff80000150af60,0,fffffd80606487a8,8,ffff80002a3f0f88,30) at lf_advlock+0x2fa sys/kern/vfs_lockf.c:278
VOP_ADVLOCK(fffffd806a1a7008,fffffd80606487a8,8,ffff80002a3f0f88,30) at VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623
sys_flock(ffff80003c452558,ffff80002a3f10d0,ffff80002a3f1020) at sys_flock+0x295 sys/kern/kern_descrip.c:-1
syscall(ffff80002a3f10d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3f10d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xbd30081a650, count: 249
End of stack trace.