Running QEMU with "qemu-system-x86_64 -M none -nographic -m 256" and executing
"dump-guest-memory /dev/null 0 8192" results in segfault.
Fix by checking if we have CPU.
Signed-off-by: Iwona Kotlarska <iwona260...@gmail.com>
---
target/i386/arch_dump.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/target/i386/arch_dump.c b/target/i386/arch_dump.c
index 5a2e4be5d0..43992a440c 100644
--- a/target/i386/arch_dump.c
+++ b/target/i386/arch_dump.c
@@ -390,9 +390,11 @@ int cpu_get_dump_info(ArchDumpInfo *info,
GuestPhysBlock *block;
#ifdef TARGET_X86_64
- X86CPU *first_x86_cpu = X86_CPU(first_cpu);
-
- lma = !!(first_x86_cpu->env.hflags & HF_LMA_MASK);
+ X86CPU *first_x86_cpu = NULL;
+ first_x86_cpu = X86_CPU(first_cpu);
+ if (first_cpu != NULL) {
+ lma = !!(first_x86_cpu->env.hflags & HF_LMA_MASK);
+ }
#endif
if (lma) {
--
2.12.0
