From: Shivank Garg <shivankg@amd.com>
To: Vinod Koul <vkoul@kernel.org>, Frank Li <Frank.Li@kernel.org>,
"Logan Gunthorpe" <logang@deltatee.com>
Cc: <stable@vger.kernel.org>, <dmaengine@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, Shivank Garg <shivankg@amd.com>,
Sashiko <sashiko-bot@kernel.org>
Subject: [PATCH v2 0/2] dmaengine: fix kref underflow and UAF in dma_chan_put()
Date: Tue, 26 May 2026 11:19:17 +0000 [thread overview]
Message-ID: <20260526-dmaengine-kref-fix-v2-0-3df60afac01d@amd.com> (raw)
Fix bugs related to dma_chan_put().
Signed-off-by: Shivank Garg <shivankg@amd.com>
---
Changes in v2:
- Add patch 2 fixing the dma_chan_put()/dma_release_channel() use-after-free (sashiko)
- Link to v1: https://lore.kernel.org/r/20260518-dmaengine-kref-fix-v1-1-4d6125048fb7@amd.com
---
Shivank Garg (2):
dmaengine: Fix device kref underflow in dma_chan_put()
dmaengine: fix use-after-free in dma_chan_put() and dma_release_channel()
drivers/dma/dmaengine.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
---
base-commit: e8c2f9fdadee7cbc75134dc463c1e0d856d6e5c7
change-id: 20260518-dmaengine-kref-fix-7b21acb09455
Best regards,
--
Shivank Garg <shivankg@amd.com>
next reply other threads:[~2026-05-26 11:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-26 11:19 Shivank Garg [this message]
2026-05-26 11:19 ` [PATCH v2 1/2] dmaengine: Fix device kref underflow in dma_chan_put() Shivank Garg
2026-05-26 12:01 ` sashiko-bot
2026-05-26 11:19 ` [PATCH v2 2/2] dmaengine: fix use-after-free in dma_chan_put() and dma_release_channel() Shivank Garg
2026-05-26 13:06 ` sashiko-bot
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