From 8926ca9c5ec3ea0b51e413e87f737aeb1422ea48 Mon Sep 17 00:00:00 2001
From: Ian Lance Taylor <iant@golang.org>
Date: Fri, 6 Sep 2024 12:19:01 -0700
Subject: syscall: on exec failure, close pidfd

Fixes #69284

Change-Id: I6350209302778ba5e44fa03d0b9e680d2b4ec192
Reviewed-on: https://go-review.googlesource.com/c/go/+/611495
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: roger peppe <rogpeppe@gmail.com>
Reviewed-by: Tim King <taking@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
---
 src/syscall/exec_unix.go | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/syscall/exec_unix.go')

diff --git a/src/syscall/exec_unix.go b/src/syscall/exec_unix.go
index 1b90aa7e72..4747fa0758 100644
--- a/src/syscall/exec_unix.go
+++ b/src/syscall/exec_unix.go
@@ -237,6 +237,10 @@ func forkExec(argv0 string, argv []string, attr *ProcAttr) (pid int, err error)
 		for err1 == EINTR {
 			_, err1 = Wait4(pid, &wstatus, 0, nil)
 		}
+
+		// OS-specific cleanup on failure.
+		forkAndExecFailureCleanup(attr, sys)
+
 		return 0, err
 	}
 
-- 
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