root@imx8mmevk:~# insmod galcore.ko
[ 82.837344] galcore: loading out-of-tree module taints kernel.
[ 82.879751] galcore: clk_get vg clock failed, disable vg!
[ 82.888590] Galcore version 6.2.4.190076
[ 83.180717] audit: type=1701 audit(1571664507.392:3): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=2071 comm="systemd-journal" exe="/lib/systemd/systemd-journald" sig=11 res=1
[ 83.198619] ------------[ cut here ]------------
[ 83.203411] kernel BUG at /usr/src/kernel/mm/slub.c:3892!
[ 83.208978] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[ 83.214624] Modules linked in: galcore(O+)
[ 83.219040] CPU: 2 PID: 918 Comm: kauditd Tainted: G O 4.14.98-imx_4.14.98_2.0.0_ga+g5d6cbea #1
[ 83.228937] Hardware name: FSL i.MX8MM EVK board (DT)
[ 83.234110] task: ffff800076465100 task.stack: ffff00000b070000
[ 83.240561] PC is at kfree+0x184/0x1d8
[ 83.244532] LR is at skb_free_head+0x18/0x30
[ 83.248869] pc : [<ffff0000081f5fb4>] lr : [<ffff000008b81d60>] pstate: 40000145
[ 83.256319] sp : ffff00000b073cb0
[ 83.259693] x29: ffff00000b073cb0 x28: 0000000000000000
[ 83.265087] x27: 0000000000000001 x26: ffff000008163930
What should I do? imx8m mini ,yocto 4.14.98 kernel.