[Qemu-devel] [Bug 592056] Re: qemu segmentation fault when create qcow2 image with qemu-img command

[xudong]

This bug has been fixed on commit: 
kvm-commit:a63e16c655f9e68d49d6fae4275ffda16b1888b2, qemu-kvm 
commit:97011c7fce92f8c0928c9e94e9896f0dca1bdeb9. 
qcow.img file can be created by qemu-img successfully.                  

fixed patch:
diff --git a/qemu-option.c b/qemu-option.c
index acd74f9..f884865 100644
--- a/qemu-option.c
+++ b/qemu-option.c
@@ -378,6 +378,7 @@ QEMUOptionParameter
*append_option_parameters(QEMUOptionParameter *dest,
     num_options += count_option_parameters(list);

     dest = qemu_realloc(dest, (num_options + 1) *
sizeof(QEMUOptionParameter));
+    dest[num_dest_options].name = NULL;

     while (list && list->name) {
         if (get_option_parameter(dest, list->name) == NULL) {

-- 
qemu segmentation fault when create qcow2 image with qemu-img command
https://bugs.launchpad.net/bugs/592056
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Status in QEMU: New

Bug description:
Host OS: ia32e
kvm.git Commit:cf18597a046413e9f0dd8df3ad6715a88766be51
qemu-kvm Commit:3f505ec990599aeb960ed7031a2bb7b233ea4927
Host Kernel Version:2.6.35-rc2+
Hardware:Westmere-HEDT


Bug detailed description:
--------------------------
when use "qemu-img" command to create qcow image, segmentation fault will
happen. 
dmesg: qemu-img[1883] general protection ip:32f0477d20 sp:7fff9c89b308
error:0 in libc-2.5.so[32f0400000+14a000]

Bisected commit ea25559830a1a025e534dea634158c0141c71894 in qemu-kvm tree bring 
up this
issue.

Reproduce steps:
----------------
1.boot up into KVM ia32e host
2.use command: qemu-img create -b /path/to/file.img -f qcow2 /path/to/qcow.img
3.it displays: segmentation fault