panic: Data modified on freelist: word 4 of object 0xffff8000014d9c00 size 0x188 previous type free (0x6563 != 0xdeafbead)

Starting stack trace...
panic(ffffffff83389b2c) at panic+0x1d0 sys/kern/subr_prf.c:229
malloc(188,2,a) at malloc+0xd7c sys/kern/kern_malloc.c:353
bpfopen(41700,1,2000,ffff8000ffffb9c0) at bpfopen+0x11b
spec_open_clone(ffff80003c4eab98) at spec_open_clone+0x287 sys/kern/spec_vnops.c:722
spec_open(ffff80003c4eab98) at spec_open+0x329 sys/kern/spec_vnops.c:148
VOP_OPEN(fffffd806ed27390,1,fffffd807f7d2548,ffff8000ffffb9c0) at VOP_OPEN+0x8b sys/kern/vfs_vops.c:138
vn_open(ffff80003c4eade8,201,0) at vn_open+0x708 sys/kern/vfs_vnops.c:177
doopenat(ffff8000ffffb9c0,ffffff9c,400000000000,200,0,ffff80003c4eaf90) at doopenat+0x32e sys/kern/vfs_syscalls.c:1139
syscall(ffff80003c4eb040) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline]
syscall(ffff80003c4eb040) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0xc49267f4170, count: 247
End of stack trace.