panic: pool_do_get: shmpl free list modified: page 0xfffffd806bba0000; item addr 0xfffffd806bba0d20; offset 0x40=0x6734e52b Starting stack trace... panic(ffffffff83072e56) at panic+0x1d0 sys/kern/subr_prf.c:229 pool_do_get(ffffffff835417d0,1,ffff800036ba4838) at pool_do_get+0x5e6 pool_get(ffffffff835417d0,1) at pool_get+0x141 shmget_allocate_segment(ffff8000ffff2f50,ffff800036ba4a90,100,ffff800036ba49e0) at shmget_allocate_segment+0x1a7 sys_shmget(ffff8000ffff2f50,ffff800036ba4a90,ffff800036ba49e0) at sys_shmget+0x1b2 sys/kern/sysv_shm.c:482 syscall(ffff800036ba4a90) at syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff800036ba4a90) at syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3458efb8530, count: 250 End of stack trace.