Relevant patches (from upstream v4.20): 24951465cbd2 arm64: compat: Provide definition for COMPAT_SIGMINSTKSZ 22839869f21a signal: Introduce COMPAT_SIGMINSTKSZ for use in compat_sys_sigaltstack
Applied to Bionic Ubuntu-4.15.0-59.66.
Relevant patches (from upstream v4.20): sys_sigaltstack
24951465cbd2 arm64: compat: Provide definition for COMPAT_SIGMINSTKSZ
22839869f21a signal: Introduce COMPAT_SIGMINSTKSZ for use in compat_
Applied to Bionic Ubuntu- 4.15.0- 59.66.