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| author | Iwona Kotlarska <iwona260909@gmail.com> | 2017-03-30 07:09:24 +0200 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2017-03-31 11:53:42 +0100 |
| commit | fd5d23babf9838c1b099a9e8020e778aac0ebb4d (patch) | |
| tree | aaeb887275f48cf1224f6e5eeee22a5c088208f6 | |
| parent | 05a6f451eb0e3224a8e6d98089379f20ec06c787 (diff) | |
| download | qemu-fd5d23babf9838c1b099a9e8020e778aac0ebb4d.zip | |
hmp: fix "dump-quest-memory" segfault
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>
Message-Id: <20170330050924.22134-1-iwona260909@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Fixed up title
| -rw-r--r-- | target/i386/arch_dump.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/target/i386/arch_dump.c b/target/i386/arch_dump.c index 5a2e4be5d0..fe0aa36932 100644 --- a/target/i386/arch_dump.c +++ b/target/i386/arch_dump.c @@ -391,8 +391,7 @@ int cpu_get_dump_info(ArchDumpInfo *info, #ifdef TARGET_X86_64 X86CPU *first_x86_cpu = X86_CPU(first_cpu); - - lma = !!(first_x86_cpu->env.hflags & HF_LMA_MASK); + lma = first_cpu && (first_x86_cpu->env.hflags & HF_LMA_MASK); #endif if (lma) { |