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Re: [Qemu-devel] [PATCH] vl: Avoid crash when -mon is underspecified
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From: |
Markus Armbruster |
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Subject: |
Re: [Qemu-devel] [PATCH] vl: Avoid crash when -mon is underspecified |
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Date: |
Tue, 30 Oct 2018 17:36:11 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) |
Eric Blake <address@hidden> writes:
> A quick coredump on an incomplete command line:
> ./x86_64-softmmu/qemu-system-x86_64 -mon mode=control,pretty=on
>
> #0 0x00007ffff723d9e4 in g_str_hash () at /lib64/libglib-2.0.so.0
> #1 0x00007ffff723ce38 in g_hash_table_lookup () at /lib64/libglib-2.0.so.0
> #2 0x0000555555cc0073 in object_class_property_find (klass=0x5555566a94b0,
> name=0x0, errp=0x0) at qom/object.c:1135
> #3 0x0000555555cc004b in object_class_property_find (klass=0x5555566a9440,
> name=0x0, errp=0x0) at qom/object.c:1129
> #4 0x0000555555cbfe6e in object_property_find (obj=0x5555568348c0,
> name=0x0, errp=0x0) at qom/object.c:1080
> #5 0x0000555555cc183d in object_resolve_path_component
> (parent=0x5555568348c0, part=0x0) at qom/object.c:1762
> #6 0x0000555555d82071 in qemu_chr_find (name=0x0) at chardev/char.c:802
> #7 0x00005555559d77cb in mon_init_func (opaque=0x0, opts=0x5555566b65a0,
> errp=0x0) at vl.c:2291
>
> Fix it to instead fail gracefully.
>
> Signed-off-by: Eric Blake <address@hidden>
Queued. Thanks!