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8030763: Validate global memory allocation

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Add length checks where necessary

Reviewed-by: coleenp, mschoene
This commit is contained in:
Harold Seigel 2014-07-14 12:43:50 +04:00
parent 5323c1c179
commit 7ec22758dc
7 changed files with 11 additions and 30 deletions
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6
hotspot/src/os/linux/vm/os_linux.cpp
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@ -1553,9 +1553,6 @@ void os::die() {
::abort();
}
// unused on linux for now.
void os::set_error_file(const char *logfile) {}
// This method is a copy of JDK's sysGetLastErrorString
// from src/solaris/hpi/src/system_md.c
@ -2345,6 +2342,7 @@ void os::jvm_path(char *buf, jint buflen) {
// determine if this is a legacy image or modules image
// modules image doesn't have "jre" subdirectory
len = strlen(buf);
assert(len < buflen, "Ran out of buffer room");
jrelib_p = buf + len;
snprintf(jrelib_p, buflen-len, "/jre/lib/%s", cpu_arch);
if (0 != access(buf, F_OK)) {
@ -2365,7 +2363,7 @@ void os::jvm_path(char *buf, jint buflen) {
}
}
strcpy(saved_jvm_path, buf);
strncpy(saved_jvm_path, buf, MAXPATHLEN);
}
void os::print_jni_name_prefix_on(outputStream* st, int args_size) {