panic: pool_do_get: shmpl free list modified: page 0xfffffd80727e1000; item addr 0xfffffd80727e1d30; offset 0x0=0x0 != 0xefd1f139b9f22641 Starting stack trace... panic(ffffffff82fe7bb8) at panic+0x1ba sys/kern/subr_prf.c:229 pool_do_get(ffffffff835dc400,1,ffff800034dff61c) at pool_do_get+0x57e pool_get(ffffffff835dc400,1) at pool_get+0xf0 shmget_allocate_segment(ffff80002a48d6e0,ffff800034dff870,80,ffff800034dff7c0) at shmget_allocate_segment+0x1a7 sys_shmget(ffff80002a48d6e0,ffff800034dff870,ffff800034dff7c0) at sys_shmget+0x1b2 sys/kern/sysv_shm.c:480 syscall(ffff800034dff870) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbb16a34d290, count: 250 End of stack trace.