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extremecoders-re avatar extremecoders-re commented on July 22, 2024

This is a bug in firmadyne.
You need to edit run.sh and make sure each netdev and device pair use different id's.

Example

(Formatted for readability)

${QEMU} -m 256 -M ${QEMU_MACHINE} -kernel ${KERNEL} \
    -drive if=ide,format=raw,file=${IMAGE} \
    -append "root=${QEMU_ROOTFS} console=ttyS0 nandsim.parts=64,64,64,64,64,64,64,64,64,64 rdinit=/firmadyne/preInit.sh rw debug ignore_loglevel print-fatal-signals=1 user_debug=31 firmadyne.syscall=0" \
    -nographic \
    -netdev socket,id=net0,listen=:2000 -device e1000,netdev=net0 \
    -netdev tap,id=net0,ifname=${TAPDEV_0},script=no -device e1000,netdev=net0 \
    -netdev socket,id=net2,listen=:2002 -device e1000,netdev=net2 \
    -netdev socket,id=net3,listen=:2003 -device e1000,netdev=net3 \
    | tee ${WORK_DIR}/qemu.final.serial.log

Above both first and second netdev and device pairs use the same net0 id. To fix change the second to net1 as shown below.

${QEMU} -m 256 -M ${QEMU_MACHINE} -kernel ${KERNEL} \
    -drive if=ide,format=raw,file=${IMAGE} \
    -append "root=${QEMU_ROOTFS} console=ttyS0 nandsim.parts=64,64,64,64,64,64,64,64,64,64 rdinit=/firmadyne/preInit.sh rw debug ignore_loglevel print-fatal-signals=1 user_debug=31 firmadyne.syscall=0" \
    -nographic \
    -netdev socket,id=net0,listen=:2000 -device e1000,netdev=net0 \
    -netdev tap,id=net1,ifname=${TAPDEV_0},script=no -device e1000,netdev=net1 \
    -netdev socket,id=net2,listen=:2002 -device e1000,netdev=net2 \
    -netdev socket,id=net3,listen=:2003 -device e1000,netdev=net3 \
    | tee ${WORK_DIR}/qemu.final.serial.log

from firmware-analysis-toolkit.

zu1k avatar zu1k commented on July 22, 2024

Thank you very much for your reply

from firmware-analysis-toolkit.

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