man2 clone: EINVAL: ... on aarch64, child_stack must be a multiple of 16. * nix/libstore/build.cc (DerivationGoal::startBuilder): When on aarch64, when calling clone(), increment the stack by 16. --- nix/libstore/build.cc | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc index cebc404d1..362b2d91d 100644 --- a/nix/libstore/build.cc +++ b/nix/libstore/build.cc @@ -2008,7 +2008,12 @@ void DerivationGoal::startBuilder() char stack[32 * 1024]; int flags = CLONE_NEWPID | CLONE_NEWNS | CLONE_NEWIPC | CLONE_NEWUTS | SIGCHLD; if (!fixedOutput) flags |= CLONE_NEWNET; - pid = clone(childEntry, stack + sizeof(stack) - 8, flags, this); +// if statements are hard, fix this +//#if __AARCH64__ + pid = clone(childEntry, stack + sizeof(stack) - 16, flags, this); +//#else +// pid = clone(childEntry, stack + sizeof(stack) - 8, flags, this); +//#endif if (pid == -1) throw SysError("cloning builder process"); } else -- 2.11.1