panic: pool_do_get: shmpl free list modified: page 0xfffffd806d1cc000; item addr 0xfffffd806d1ccd20; offset 0x0=0x0 != 0x5170aa007d978dc4 Starting stack trace... panic(ffffffff82fe42e1) at panic+0x1ba sys/kern/subr_prf.c:229 pool_do_get(ffffffff835a1e58,2,ffff80003765175c) at pool_do_get+0x57e pool_get(ffffffff835a1e58,2) at pool_get+0xf0 shmget_allocate_segment(ffff80002a48ccc0,ffff8000376519b0,1a9,ffff800037651900) at shmget_allocate_segment+0x1a7 sys_shmget(ffff80002a48ccc0,ffff8000376519b0,ffff800037651900) at sys_shmget+0x1b2 sys/kern/sysv_shm.c:480 syscall(ffff8000376519b0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x906a1749d40, count: 250 End of stack trace.