panic: trap type 4, code=0, pc=ffffffff826ff95a
Starting stack trace...
panic(ffffffff833a7252) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80003c487730) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
lf_advlock(ffff8000015aa860,0,ffff80003240e010,2,ffff80003c487920,40) at lf_advlock+0x2fa ls_ref sys/kern/vfs_lockf.c:138 [inline]
lf_advlock(ffff8000015aa860,0,ffff80003240e010,2,ffff80003c487920,40) at lf_advlock+0x2fa sys/kern/vfs_lockf.c:278
VOP_ADVLOCK(fffffd8061af0610,ffff80003240e010,2,ffff80003c487920,40) at VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623
closef(fffffd806b662900,ffff80003c46f788) at closef+0x140 sys/kern/kern_descrip.c:-1
fdfree(ffff80003c46f788) at fdfree+0x116 sys/kern/kern_descrip.c:1195
exit1(ffff80003c46f788,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215
sys_exit(ffff80003c46f788,ffff80003c487b60,ffff80003c487ab0) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c487b60) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c487b60) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x736bbabff3a0, count: 246
End of stack trace.