6783ab9f47
This updates OpenJDK 8 to a newer version and brings a bunch of changes. Newly, it is bootstrapped with openjdk7-bootstrap, so it does not need to download binaries. It can also cross-compile and is patched for musl and other platforms. We're newly using the aarch64 port repo in order to get aarch64 JIT. For non-aarch64 platforms, the codebase is the same. The symlink for /usr/lib/jvm/openjdk is also now gone and we're using a unified java-VERSION-VENDOR naming. Also general template cleanup. [ci skip]
88 lines
2.6 KiB
Diff
88 lines
2.6 KiB
Diff
Give a much bigger buffer to getmntent_r.
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https://bugs.alpinelinux.org/issues/7093
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diff --git a/openjdk/jdk/src/solaris/native/sun/nio/fs/LinuxNativeDispatcher.c b/openjdk/jdk/src/solaris/native/sun/nio/fs/LinuxNativeDispatcher.c
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index c8500db..d0b85d6 100644
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--- openjdk/jdk/src/solaris/native/sun/nio/fs/LinuxNativeDispatcher.c
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+++ openjdk/jdk/src/solaris/native/sun/nio/fs/LinuxNativeDispatcher.c
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@@ -33,6 +33,7 @@
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#include <dlfcn.h>
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#include <errno.h>
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#include <mntent.h>
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+#include <limits.h>
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#include "sun_nio_fs_LinuxNativeDispatcher.h"
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@@ -173,8 +174,8 @@ Java_sun_nio_fs_LinuxNativeDispatcher_getmntent(JNIEnv* env, jclass this,
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jlong value, jobject entry)
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{
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struct mntent ent;
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- char buf[1024];
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- int buflen = sizeof(buf);
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+ char *buf = NULL;
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+ const size_t buflen = PATH_MAX * 4;
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struct mntent* m;
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FILE* fp = jlong_to_ptr(value);
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jsize len;
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@@ -183,10 +184,17 @@ Java_sun_nio_fs_LinuxNativeDispatcher_getmntent(JNIEnv* env, jclass this,
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char* dir;
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char* fstype;
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char* options;
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+ jint res = -1;
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- m = getmntent_r(fp, &ent, (char*)&buf, buflen);
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- if (m == NULL)
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+ buf = malloc(buflen);
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+ if (buf == NULL) {
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+ JNU_ThrowOutOfMemoryError(env, "native heap");
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return -1;
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+ }
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+ m = getmntent_r(fp, &ent, buf, buflen);
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+ if (m == NULL)
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+ goto out;
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+
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name = m->mnt_fsname;
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dir = m->mnt_dir;
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fstype = m->mnt_type;
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@@ -195,32 +203,35 @@ Java_sun_nio_fs_LinuxNativeDispatcher_getmntent(JNIEnv* env, jclass this,
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len = strlen(name);
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bytes = (*env)->NewByteArray(env, len);
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if (bytes == NULL)
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- return -1;
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+ goto out;
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(*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)name);
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(*env)->SetObjectField(env, entry, entry_name, bytes);
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len = strlen(dir);
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bytes = (*env)->NewByteArray(env, len);
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if (bytes == NULL)
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- return -1;
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+ goto out;
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(*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)dir);
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(*env)->SetObjectField(env, entry, entry_dir, bytes);
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len = strlen(fstype);
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bytes = (*env)->NewByteArray(env, len);
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if (bytes == NULL)
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- return -1;
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+ goto out;
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(*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)fstype);
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(*env)->SetObjectField(env, entry, entry_fstype, bytes);
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len = strlen(options);
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bytes = (*env)->NewByteArray(env, len);
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if (bytes == NULL)
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- return -1;
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+ goto out;
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(*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte*)options);
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(*env)->SetObjectField(env, entry, entry_options, bytes);
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- return 0;
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+ res = 0;
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+out:
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+ free(buf);
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+ return res;
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}
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JNIEXPORT void JNICALL
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