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author | Gonglei <arei.gonglei@huawei.com> | 2015-03-12 15:33:45 +0800 |
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committer | Gerd Hoffmann <kraxel@redhat.com> | 2015-03-12 09:09:10 +0100 |
commit | 81607cbfa433272d1f09bd0f0ae6c3b14f818972 (patch) | |
tree | 586a9c8c5fe987c1b514f9bd42be1762b9eaacc1 /ui/vnc.c | |
parent | b3c33f91732ea32e7a8391c5e61c3fc02308d822 (diff) | |
download | hqemu-81607cbfa433272d1f09bd0f0ae6c3b14f818972.zip hqemu-81607cbfa433272d1f09bd0f0ae6c3b14f818972.tar.gz |
vnc: fix segmentation fault when invalid vnc parameters are specified
Reproducer:
#./qemu-system-x86_64 -vnc :0,ip
qemu-system-x86_64: -vnc :1,ip: Invalid parameter 'ip'
Segmentation fault (core dumped)
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'ui/vnc.c')
-rw-r--r-- | ui/vnc.c | 7 |
1 files changed, 6 insertions, 1 deletions
@@ -3703,8 +3703,13 @@ QemuOpts *vnc_parse_func(const char *str) { QemuOptsList *olist = qemu_find_opts("vnc"); QemuOpts *opts = qemu_opts_parse(olist, str, 1); - const char *id = qemu_opts_id(opts); + const char *id; + if (!opts) { + return NULL; + } + + id = qemu_opts_id(opts); if (!id) { /* auto-assign id if not present */ vnc_auto_assign_id(olist, opts); |