I tested some upstream stable kernels and can report that the bug is not present in v4.18.19 and is present in v4.18.20.
* a9da8725b7a7 (tag: v4.18.20) Linux 4.18.20 * 6559b2338d96 (tag: v4.18.19) Linux 4.18.19 -- ⛵ - 🏴☠️
I tested some upstream stable kernels and can report that the bug is not present in v4.18.19 and is present in v4.18.20.
* a9da8725b7a7 (tag: v4.18.20) Linux 4.18.20 * 6559b2338d96 (tag: v4.18.19) Linux 4.18.19 -- ⛵ - 🏴☠️