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libcontainer: Use MaxInt32 as the last FD to match kernel size semantics

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Signed-off-by: Evan Phoenix <evan@phx.io>
This commit is contained in:
Evan Phoenix
2025-01-24 11:53:36 -08:00
parent a7d76457f4
commit 111e8dcc0d
1 changed files with 1 additions and 1 deletions
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2
libcontainer/utils/utils_unix.go
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@@ -102,7 +102,7 @@ func fdRangeFrom(minFd int, fn fdFunc) error {
func CloseExecFrom(minFd int) error {
// Use close_range(CLOSE_RANGE_CLOEXEC) if possible.
if haveCloseRangeCloexec() {
err := unix.CloseRange(uint(minFd), math.MaxUint, unix.CLOSE_RANGE_CLOEXEC)
err := unix.CloseRange(uint(minFd), math.MaxInt32, unix.CLOSE_RANGE_CLOEXEC)
return os.NewSyscallError("close_range", err)
}
// Otherwise, fall back to the standard loop.