From 52970e2d13647dbe0d87d855df22a2e838a51048 Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui3371@sina.com>
Date: Thu, 11 Jun 2026 10:15:25 +0800
Subject: [PATCH] Processing (Linux): don't use `/proc/pid/exe` as exePath when
 the file is not executable (no permission)

---
 src/common/impl/FFPlatform_unix.c  | 4 ++--
 src/common/impl/processing_linux.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/common/impl/FFPlatform_unix.c b/src/common/impl/FFPlatform_unix.c
index de69f6bef..3b9c87db7 100644
--- a/src/common/impl/FFPlatform_unix.c
+++ b/src/common/impl/FFPlatform_unix.c
@@ -30,7 +30,7 @@ static void getExePath(FFPlatform* platform) {
     char exePath[PATH_MAX];
 #if defined(__linux__) || defined(__GNU__)
     ssize_t exePathLen = readlink("/proc/self/exe", exePath, sizeof(exePath) - 1);
-    if (exePathLen >= 0) {
+    if (exePathLen > 0) {
         exePath[exePathLen] = '\0';
     }
 #elif defined(__APPLE__)
@@ -128,7 +128,7 @@ static void getExePath(FFPlatform* platform) {
     }
 #elif defined(__sun)
     ssize_t exePathLen = readlink("/proc/self/path/a.out", exePath, sizeof(exePath) - 1);
-    if (exePathLen >= 0) {
+    if (exePathLen > 0) {
         exePath[exePathLen] = '\0';
     }
 #elif defined(__HAIKU__)
diff --git a/src/common/impl/processing_linux.c b/src/common/impl/processing_linux.c
index 2b87c3b79..06524f729 100644
--- a/src/common/impl/processing_linux.c
+++ b/src/common/impl/processing_linux.c
@@ -269,7 +269,7 @@ void ffProcessGetInfoLinux(pid_t pid, FFstrbuf* processName, FFstrbuf* exe, cons
             }
         }
 
-        if (exePath->length == 0) {
+        if (exePath->length == 0 && access(filePath, X_OK) == 0) {
             ffStrbufSetS(exePath, filePath);
         }
     }