| Message ID | 20170329183914.4197-1-iwona260909@gmail.com |
|---|---|
| State | New |
| Headers | show |
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) {
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 <iwona260909@gmail.com> --- target/i386/arch_dump.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)