On 2/16/21 4:46 AM, Bin Meng wrote: > Per "SD Host Controller Standard Specification Version 7.00" > chapter 2.2.1 SDMA System Address Register: > > This register can be accessed only if no transaction is executing > (i.e., after a transaction has stopped). > > With this fix, the following reproducer: > > https://paste.debian.net/plain/1185137 > > cannot be reproduced with the following QEMU command line: > > $ qemu-system-x86_64 -nographic -machine accel=qtest -m 512M \ > -nodefaults -device sdhci-pci,sd-spec-version=3 \ > -drive if=sd,index=0,file=null-co://,format=raw,id=mydrive \ > -device sd-card,drive=mydrive -qtest stdio
Without the rest applied, I still can :( AddressSanitizer: heap-buffer-overflow
