Subject swiotlb: avoid swiotlb copy on network sockets
Author lrizzo@google.com
Date 2026-08-24 15:29:28 +0000 UTC
Version
Cc akpm@linux-foundation.org davem@davemloft.net david@kernel.org driver-core@lists.linux.dev dtatulea@nvidia.com edumazet@google.com gregkh@linuxfoundation.org iommu@lists.linux.dev kuba@kernel.org kuniyu@google.com linux-kernel@vger.kernel.org linux-mm@kvack.org lrizzo@google.com m.szyprowski@samsung.com netdev@vger.kernel.org pabeni@redhat.com rafael@kernel.org rizzo.unipi@gmail.com robin.murphy@arm.com willemb@google.com
Patches (5)
Name Content [All]
[PATCH v2 1/5] swiotlb: enforce pool nareas and nslabs invariants [Body]
[PATCH v2 2/5] swiotlb/mm: Implement SWIOTLB nocopy page allocator [Body]
[PATCH v2 3/5] net/swiotlb: Track bounce device per socket [Body]
[PATCH v2 4/5] net: Divert socket allocations to SWIOTLB for nocopy TX [Body]
[PATCH v2 5/5] swiotlb: Implement RX nocopy with fast recycling eviction [Body]
Series Summary
1 Findings
finding general protection fault in page_pool_put_unrefed_netmem
Log Syz Repro
Sessions
Session 2026-08-24
1 Findings
ID (for dev) ee6f4a02-3673-44af-9d6d-3196dfd37e93
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 0a0d1d55dad570724bf8c7ea83409639cfb4be9b [Config] passed [Log]
[KASAN] Boot test: Base 0a0d1d55dad570724bf8c7ea83409639cfb4be9b [Config] passed [Log]
[KASAN] Build Patched 0a0d1d55dad570724bf8c7ea83409639cfb4be9b [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 0a0d1d55dad570724bf8c7ea83409639cfb4be9b [Config] [patched] passed [Log]
[KASAN] Fuzz 0a0d1d55dad570724bf8c7ea83409639cfb4be9b [Config] 0a0d1d55dad570724bf8c7ea83409639cfb4be9b [Config] [patched] passed [Log] [Artifacts]
finding general protection fault in page_pool_put_unrefed_netmem
Log Syz Repro