panic: Data modified on freelist: word 4 of object 0xffff800001291600 size 0x130 previous type free (0x0 != 0xdeafbead) Starting stack trace... panic(ffffffff83035685) at panic+0x1d0 sys/kern/subr_prf.c:229 malloc(130,7f,1) at malloc+0xd7c sys/kern/kern_malloc.c:349 exec_elf_makecmds(ffff80003439b990,ffff8000343cadd8) at exec_elf_makecmds+0x1215 check_exec(ffff80003439b990,ffff8000343cadd8) at check_exec+0x441 sys/kern/kern_exec.c:198 sys_execve(ffff80003439b990,ffff8000343cb2a0,ffff8000343cb1f0) at sys_execve+0x199 sys/kern/kern_exec.c:311 syscall(ffff8000343cb2a0) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000343cb2a0) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72cd0a2fe920, count: 250 End of stack trace.