diff options
Diffstat (limited to 'src/runtime/stack.go')
| -rw-r--r-- | src/runtime/stack.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/runtime/stack.go b/src/runtime/stack.go index 1fa235bf86..54ad66dca2 100644 --- a/src/runtime/stack.go +++ b/src/runtime/stack.go @@ -1061,7 +1061,9 @@ func newstack() { // recheck the bounds on return.) if f := findfunc(gp.sched.pc); f.valid() { max := uintptr(funcMaxSPDelta(f)) - for newsize-gp.sched.sp < max+_StackGuard { + needed := max + _StackGuard + used := gp.stack.hi - gp.sched.sp + for newsize-used < needed { newsize *= 2 } } |