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8259577: Dangling reference to temp_path in Java_sun_tools_attach_VirtualMachineImpl_getTempDir

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Reviewed-by: cjplummer, lmesnik
This commit is contained in:
Kevin Walls 2021-03-08 11:40:15 +00:00
parent a0c3f24218
commit 51cca57c22
1 changed files with 8 additions and 11 deletions
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19
src/jdk.attach/macosx/native/libattach/VirtualMachineImpl.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2021, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -314,17 +314,14 @@ JNIEXPORT jstring JNICALL Java_sun_tools_attach_VirtualMachineImpl_getTempDir(JN
// directory not the java application's temp directory, ala java.io.tmpdir.
#ifdef __APPLE__
// macosx has a secure per-user temporary directory
static char *temp_path = NULL;
char temp_path_storage[PATH_MAX];
if (temp_path == NULL) {
int pathSize = confstr(_CS_DARWIN_USER_TEMP_DIR, temp_path_storage, PATH_MAX);
if (pathSize == 0 || pathSize > PATH_MAX) {
strlcpy(temp_path_storage, "/tmp", sizeof(temp_path_storage));
}
temp_path = temp_path_storage;
// macosx has a secure per-user temporary directory.
// Don't cache the result as this is only called once.
char path[PATH_MAX];
int pathSize = confstr(_CS_DARWIN_USER_TEMP_DIR, path, PATH_MAX);
if (pathSize == 0 || pathSize > PATH_MAX) {
strlcpy(path, "/tmp", sizeof(path));
}
return JNU_NewStringPlatform(env, temp_path);
return JNU_NewStringPlatform(env, path);
#else /* __APPLE__ */
return (*env)->NewStringUTF(env, "/tmp");
#endif /* __APPLE__ */