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From: Pranjal Shrivastava <praan@google.com>
To: Mostafa Saleh <smostafa@google.com>
Cc: linux-kernel@vger.kernel.org, iommu@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org, will@kernel.org,
	robin.murphy@arm.com, joro@8bytes.org, jgg@ziepe.ca,
	nicolinc@nvidia.com, Jason Gunthorpe <jgg@nvidia.com>
Subject: Re: [PATCH v2 2/5] iommu/arm-smmu-v3-test: Fix arm_smmu_v3_test_debug_print_used_bits()
Date: Tue, 29 Sep 2026 00:00:39 +0000	[thread overview]
Message-ID: <arr_pyGyKNH7Fbqb@google.com> (raw)
In-Reply-To: <20260924085616.300650-3-smostafa@google.com>

On Thu, Sep 24, 2026 at 08:56:13AM +0000, Mostafa Saleh wrote:
> arm_smmu_v3_test_debug_print_used_bits() hardcodes arm_smmu_get_ste_used()
> instead of using the provided writer->ops->get_used() callback.
> This caused Context Descriptors to be incorrectly parsed as STEs.
> 
> Fixes: 56e1a4cc2588 ("iommu/arm-smmu-v3: Add unit tests for arm_smmu_write_entry")
> Reported-by: Sashiko <>
> Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
> Signed-off-by: Mostafa Saleh <smostafa@google.com>
> ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-test.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 

Reviewed-by: Pranjal Shrivastava <praan@google.com>

Thanks,
Praan

  reply	other threads:[~2026-09-29  0:00 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-24  8:56 [PATCH v2 0/5] iommu/arm-smmu-v3: Fixes reported by Sashiko Mostafa Saleh
2026-09-24  8:56 ` [PATCH v2 1/5] iommu/arm-smmu-v3: Ensure L2 tables are visible before L1 ptrs Mostafa Saleh
2026-09-28 23:59   ` Pranjal Shrivastava
2026-09-24  8:56 ` [PATCH v2 2/5] iommu/arm-smmu-v3-test: Fix arm_smmu_v3_test_debug_print_used_bits() Mostafa Saleh
2026-09-29  0:00   ` Pranjal Shrivastava [this message]
2026-09-24  8:56 ` [PATCH v2 3/5] iommu/arm-smmu-v3-test: Add missing error checks for inv array Mostafa Saleh
2026-09-29  0:02   ` Pranjal Shrivastava
2026-09-24  8:56 ` [PATCH v2 4/5] iommu/arm-smmu-v3-test: Fix OOB in arm_smmu_v3_invs_test_verify() Mostafa Saleh
2026-09-29  0:02   ` Pranjal Shrivastava
2026-09-24  8:56 ` [PATCH v2 5/5] iommu/arm-smmu-v3-test: Fix UBSAN error Mostafa Saleh
2026-09-29  0:03   ` Pranjal Shrivastava
2026-09-24 18:34 ` [PATCH v2 0/5] iommu/arm-smmu-v3: Fixes reported by Sashiko Jason Gunthorpe
2026-09-24 18:58 ` Nicolin Chen

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