panic: trap type 4, code=0, pc=ffffffff821ee95a
Starting stack trace...
panic(ffffffff833a53b9) at panic+0x1d0 sys/kern/subr_prf.c:229
kerntrap(ffff80002a3732d0) at kerntrap+0x30b
alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b
lf_advlock(ffff80000147ef20,0,fffffd806b9d53f0,8,ffff80002a373620,30) at lf_advlock+0x2fa ls_ref sys/kern/vfs_lockf.c:138 [inline]
lf_advlock(ffff80000147ef20,0,fffffd806b9d53f0,8,ffff80002a373620,30) at lf_advlock+0x2fa sys/kern/vfs_lockf.c:278
VOP_ADVLOCK(fffffd805ac25cf0,fffffd806b9d53f0,8,ffff80002a373620,30) at VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623
doopenat(ffff80003c03bcd0,ffffff9c,200000000080,421,0,ffff80002a373720) at doopenat+0x512 sys/kern/vfs_syscalls.c:1170
syscall(ffff80002a3737d0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80002a3737d0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x4a9db9a1cb0, count: 249
End of stack trace.