On 08/02/2017 02:34 PM, Greg Kurz wrote:
When running nested with KVM PR, ppc_set_compat() fails and QEMU crashes
because of "double free or corruption (!prev)". The crash happens because
error_report_err() has already called error_free().

Signed-off-by: Greg Kurz <gr...@kaod.org>

Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>

---
  target/ppc/machine.c |    1 -
  1 file changed, 1 deletion(-)

diff --git a/target/ppc/machine.c b/target/ppc/machine.c
index f578156dd411..abe0a1cdf021 100644
--- a/target/ppc/machine.c
+++ b/target/ppc/machine.c
@@ -239,7 +239,6 @@ static int cpu_post_load(void *opaque, int version_id)
          ppc_set_compat(cpu, cpu->compat_pvr, &local_err);
          if (local_err) {
              error_report_err(local_err);
-            error_free(local_err);
              return -1;
          }
      } else



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