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[PATCH 0/3] hw/scsi/megasas: Avoid buffer overrun in megasas_handle_scsi
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH 0/3] hw/scsi/megasas: Avoid buffer overrun in megasas_handle_scsi() |
Date: |
Tue, 1 Dec 2020 16:13:16 +0100 |
FWIW megasas is not use by KVM.
Not sure what is the proper fix, but at least we
have a reproducer.
We might improve "scsi/utils" by adding length argument to
scsi_cdb_length() and check valid there, but this will take
time (large refactor). Add assertions there is too violent.
Philippe Mathieu-Daudé (3):
tests/qtest/fuzz-test: Quit test_lp1878642 once done
hw/scsi/megasas: Assert cdb_len is valid in megasas_handle_scsi()
hw/scsi/megasas: Have incorrect cdb return MFI_STAT_ABORT_NOT_POSSIBLE
hw/scsi/megasas.c | 6 ++
tests/qtest/fuzz-test.c | 197 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 203 insertions(+)
--
2.26.2
- [PATCH 0/3] hw/scsi/megasas: Avoid buffer overrun in megasas_handle_scsi(),
Philippe Mathieu-Daudé <=