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daemon: On aarch64, use increments of 16 on the stack.

* nix/libstore/build.cc (DerivationGoal::startBuilder): When on aarch64,
when calling clone(), increment the stack by 16.
python-updates
Efraim Flashner 5 years ago
parent
commit
31ed845b70
Signed by: efraim GPG Key ID: 41AAE7DCCA3D8351
  1. 6
      nix/libstore/build.cc

6
nix/libstore/build.cc

@ -2008,7 +2008,11 @@ 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);
#ifdef __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

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