The commit that caused OP's bug changed two lines. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f31dcb152a3d0816e2f1deab4e6457

The commit that caused OP's bug changed two lines. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f31dcb152a3d0816e2f1deab4e64572336da197d https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin...