CPU FUNCTION 0 -> sys_ioctl 0 -> copyin 0 <- copyin 0 -> kern_ioctl 0 -> _sx_slock 0 -> witness_checkorder 0 <- witness_checkorder 0 -> witness_lock 0 <- witness_lock 0 <- _sx_slock 0 -> _sx_assert 0 -> witness_assert 0 <- witness_assert 0 <- _sx_assert 0 -> cap_ioctl_check 0 -> _sx_assert 0 -> witness_assert 0 <- witness_assert 0 <- _sx_assert 0 <- cap_ioctl_check 0 -> _sx_sunlock 0 -> witness_assert 0 <- witness_assert 0 -> witness_unlock 0 <- witness_unlock 0 <- _sx_sunlock 0 -> devfs_ioctl_f 0 -> devvn_refthread 0 -> witness_checkorder 0 <- witness_checkorder 0 -> witness_lock 0 <- witness_lock 0 -> witness_unlock 0 <- witness_unlock 0 <- devvn_refthread 0 -> devfs_get_cdevpriv 0 <- devfs_get_cdevpriv 0 -> copyin 0 <- copyin 0 -> _sx_xlock 0 -> witness_checkorder 0 <- witness_checkorder 0 -> witness_lock 0 <- witness_lock 0 <- _sx_xlock 0 -> zfs_kmem_alloc 0 -> malloc 0 -> uma_zalloc_arg 0 -> witness_warn 0 -> witness_debugger 0 <- witness_debugger 0 <- witness_warn 0 -> critical_enter 0 <- critical_enter 0 -> critical_exit 0 <- critical_exit 0 -> mtrash_ctor 0 <- mtrash_ctor 0 -> uma_dbg_alloc 0 -> uma_dbg_getslab 0 -> pmap_kextract 0 <- pmap_kextract 0 -> PHYS_TO_VM_PAGE 0 <- PHYS_TO_VM_PAGE 0 <- uma_dbg_getslab 0 <- uma_dbg_alloc 0 -> bzero 0 <- bzero 0 <- uma_zalloc_arg 0 -> critical_enter 0 <- critical_enter 0 -> critical_exit 0 <- critical_exit 0 <- malloc 0 <- zfs_kmem_alloc 0 -> _sx_xunlock 0 -> witness_unlock 0 <- witness_unlock 0 <- _sx_xunlock 0 -> copyout 0 <- copyout 0 -> zfs_kmem_free 0 -> free 0 -> pmap_kextract 0 <- pmap_kextract 0 -> PHYS_TO_VM_PAGE 0 <- PHYS_TO_VM_PAGE 0 -> uma_zfree_arg 0 -> uma_dbg_free 0 <- uma_dbg_free 0 -> mtrash_dtor 0 <- mtrash_dtor 0 -> critical_enter 0 <- critical_enter 0 -> critical_exit 0 <- critical_exit 0 <- uma_zfree_arg 0 -> critical_enter 0 <- critical_enter 0 -> critical_exit 0 <- critical_exit 0 <- free 0 <- zfs_kmem_free 0 -> dev_relthread 0 <- dev_relthread 0 <- devfs_ioctl_f 0 -> _sx_assert 0 -> witness_assert 0 <- witness_assert 0 <- _sx_assert 0 <- kern_ioctl 0 <- sys_ioctl 0 -> bzero 0 <- bzero 0 <= ioctl