panic: pool_do_get: fdescpl free list modified: page 0xfffffd807f7d5000; item addr 0xfffffd807f7d51f0; offset 0x48=0xdeafbeaf Starting stack trace... panic(ffffffff828e1a18) at panic+0x16f sys/kern/subr_prf.c:229 pool_do_get(ffffffff82d65890,9,ffff80002e6cc838) at pool_do_get+0x484 sys/kern/subr_pool.c:739 pool_get(ffffffff82d65890,9) at pool_get+0xed sys/kern/subr_pool.c:582 fdcopy(ffff800034ac1660) at fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] fdcopy(ffff800034ac1660) at fdcopy+0x48 sys/kern/kern_descrip.c:1106 process_new(ffff80002a18dac0,ffff800034ac1660,1) at process_new+0x390 sys/kern/kern_fork.c:273 fork1(ffff80002d69d808,1,ffffffff822402a0,0,ffff80002e6cca90,0) at fork1+0x318 sys/kern/kern_fork.c:399 syscall(ffff80002e6ccb40) at syscall+0x5f0 mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002e6ccb40) at syscall+0x5f0 sys/arch/amd64/amd64/trap.c:591 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7be0d92ca7c0, count: 249 End of stack trace.