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Diffstat (limited to 'results/classifier/108/other/1926')
| -rw-r--r-- | results/classifier/108/other/1926 | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/results/classifier/108/other/1926 b/results/classifier/108/other/1926 new file mode 100644 index 00000000..43c7243b --- /dev/null +++ b/results/classifier/108/other/1926 @@ -0,0 +1,39 @@ +graphic: 0.865 +other: 0.830 +device: 0.826 +performance: 0.722 +network: 0.618 +vnc: 0.608 +socket: 0.564 +semantic: 0.479 +files: 0.475 +PID: 0.470 +debug: 0.419 +permissions: 0.345 +boot: 0.333 +KVM: 0.166 + +Spice: handle_dev_destroy_surface_wait: condition `msg->surface_id == 0' failed (DoS via assert failure) +Description of problem: +Assert failure in libspice-server was found during fuzzing qxl-vga device. + +```plaintext +qemu-system-x86_64: Spice: ../server/red-worker.cpp:367:handle_dev_destroy_surface_wait: condition `msg->surface_id == 0' failed +Аварийный останов +``` +Steps to reproduce: +1. This bug can be reroduced with + + ```plaintext + cat << EOF | ./qemu-system-x86_64 -display none -machine accel=qtest, -m 512M -M \ + pc -nodefaults -vga qxl -qtest stdio + outl 0xcf8 0x8000101c + outl 0xcfc 0xc000 + outl 0xcf8 0x80001004 + outw 0xcfc 0x01 + outl 0xc00b 0x01000000 + EOF + ``` +2. This bug is in another place from https://gitlab.com/qemu-project/qemu/-/issues/1829, please pay attention to it. It has to be solved, because it interferes with further fuzzing process +Additional information: +As I mentioned, I really need this bug to be solved, because fuzzing qxl-vga device gets less efficient. I suggested to report it here, not in spice-server, because this bug can be on the QEMU side. |