panic: pool_do_get: shmpl free list modified: page 0xfffffd8064a26000; item addr 0xfffffd8064a26770; offset 0x40=0xfe1ecc81 Starting stack trace... panic(ffffffff833cb40c) at panic+0x1d0 sys/kern/subr_prf.c:229 pool_do_get(ffffffff8397b3d0,1,ffff80003a412338) at pool_do_get+0x5ea sys/kern/subr_pool.c:-1 pool_get(ffffffff8397b3d0,1) at pool_get+0x149 sys/kern/subr_pool.c:-1 shmget_allocate_segment(ffff8000ffff1730,ffff80003a412590,1d2,ffff80003a4124e0) at shmget_allocate_segment+0x1a7 sys/kern/sysv_shm.c:-1 sys_shmget(ffff8000ffff1730,ffff80003a412590,ffff80003a4124e0) at sys_shmget+0x1b2 sys/kern/sysv_shm.c:482 syscall(ffff80003a412590) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a412590) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71043376850, count: 250 End of stack trace.