Add memcpy override library for ARM + GPU use cases #1860
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jmacnak
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b/277618912 show what appeared to be glibc's memcpy using unaligned
accesses during command buffer recording which caused SIGBUSs on
some Nvidia GPUs. This little stub library provides a memcpy override
that can be be used via LD_PRELOAD.
Bug: b/277618912
Bug: b/453027517
Test: (On ARM workstation)
tools/buildutils/build_packages.sh
sudo apt install ./cuttlefish-base_*.deb ./cuttlefish-user_*.deb
sudo reboot
cvd create --gpu_mode=gfxstream_guest_angle
<play around with device for 5 minutes>
Databean
approved these changes
Dec 3, 2025
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b/277618912 show what appeared to be glibc's memcpy using unaligned accesses during command buffer recording which caused SIGBUSs on some Nvidia GPUs. This little stub library provides a memcpy override that can be be used via LD_PRELOAD.
Bug: b/277618912
Bug: b/453027517
Test: