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Re: [PATCH-for-6.1 v2 0/2] hw/sd/sdcard: Fix assertion accessing out-of-
From: |
Alexander Bulekov |
Subject: |
Re: [PATCH-for-6.1 v2 0/2] hw/sd/sdcard: Fix assertion accessing out-of-range addresses with CMD30 |
Date: |
Tue, 3 Aug 2021 09:46:37 -0400 |
On 210803 0155, Philippe Mathieu-Daudé wrote:
> Fix an assertion reported by OSS-Fuzz, add corresponding qtest.
>
> The change is (now) simple enough for the next rc.
>
> Since v1:
> - Simplified/corrected following Peter's suggestion
>
> Philippe Mathieu-Daudé (2):
> hw/sd/sdcard: Document out-of-range addresses for SEND_WRITE_PROT
> hw/sd/sdcard: Fix assertion accessing out-of-range addresses with
> CMD30
>
Fuzzed this for 20 mins, based on the OSS-Fuzz corpus, without finding
anything.
./qemu-fuzz-i386 --fuzz-target=generic-fuzz-sdhci-v3 -jobs=4 -workers=4 \
-focus_function=sd_wpbits \
~/oss-fuzz/qemu_qemu-fuzz-i386-target-generic-fuzz-sdhci-v3/
Tested-by: Alexander Bulekov <alxndr@bu.edu>
Thanks!
> hw/sd/sd.c | 9 ++++++++-
> tests/qtest/fuzz-sdcard-test.c | 36 ++++++++++++++++++++++++++++++++++
> 2 files changed, 44 insertions(+), 1 deletion(-)
>
> --
> 2.31.1
>