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b7a92bce07
Although libvirt itself uses g_malloc0() and friends, which exit when there isn't enouogh memory, libxml2 uses standard malloc(), which just returns NULL on OOM - this means we must check for NULL on return from any libxml2 functions that allocate memory. xmlBufferCreate(), for example, might return NULL, and we don't always check for it. This patch adds checks where it isn't already done. (NB: Although libxml2 has a provision for changing behavior on OOM (by calling xmlMemSetup() to change what functions are used to allocating/freeing memory), we can't use that, since parts of libvirt code end up in libvirt.so, which is linked and called directly by applications that may themselves use libxml2 (and may have already set their own alternate malloc()), e.g. drivers like esx which live totally in the library rather than a separate process.) Signed-off-by: Laine Stump <laine@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> |
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