** Tags added: fuzzer -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1901532
Title: Assertion failure `mr != NULL' failed through usb-ehci Status in QEMU: Confirmed Bug description: Hello, Using hypervisor fuzzer, hyfuzz, I found an assertion failure through usb-ehci. This was found in version 5.0.1 (stable-5.0). -------- qemu-system-i386: src/qemu-repro/exec.c:3581: address_space_unmap: Assertion `mr != NULL' failed. [1] 14721 abort src/qemu-repro/build/i386-softmmu/qemu-system-i386 To reproduce the assertion failure, please run the QEMU with following command line. ``` $ qemu-system-i386 -drive file=./hyfuzz.img,index=0,media=disk,format=raw -m 512 -drive if=none,id=stick,file=./usbdisk.img -device usb-ehci,id=ehci -device usb-storage,bus=ehci.0,drive=stick ``` To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1901532/+subscriptions