Subject nfc: llcp: prevent resource leak on repeated connect after DM
Author qwe.aldo@gmail.com
Date 2026-09-25 18:48:57 +0000 UTC
Version
Cc davem@davemloft.net david@ixit.cz edumazet@google.com horms@kernel.org kuba@kernel.org linux-kernel@vger.kernel.org netdev@vger.kernel.org oe-linux-nfc@lists.linux.dev pabeni@redhat.com qwe.aldo@gmail.com sashiko-bot@kernel.org stable@vger.kernel.org
Patches (1)
Name Content [All]
[PATCH net v2] nfc: llcp: prevent resource leak on repeated connect after DM [Body]
Series Summary
2 Findings
finding KASAN: slab-use-after-free Read in llcp_sock_connect
Log Syz Repro
finding AI confirmed KASAN: slab-use-after-free Read in nfc_remove_device
Log AI Trajectory
Sessions
Session 2026-09-25
2 Findings
ID (for dev) 3fa39bdb-563b-4212-a072-9cec94d780d6
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 415f2044228cc8b948dc04e079aaa86a4d1aa1d3 [Config] passed [Log]
[KASAN] Boot test: Base 415f2044228cc8b948dc04e079aaa86a4d1aa1d3 [Config] passed [Log]
[KASAN] Build Patched 415f2044228cc8b948dc04e079aaa86a4d1aa1d3 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 415f2044228cc8b948dc04e079aaa86a4d1aa1d3 [Config] [patched] passed [Log]
[KASAN] Fuzz 415f2044228cc8b948dc04e079aaa86a4d1aa1d3 [Config] 415f2044228cc8b948dc04e079aaa86a4d1aa1d3 [Config] [patched] passed [Log] [Artifacts]
finding KASAN: slab-use-after-free Read in llcp_sock_connect
Log Syz Repro
finding AI confirmed KASAN: slab-use-after-free Read in nfc_remove_device
Log AI Trajectory
Session 2026-09-28
Passed Job Job requested at: https://lore.kernel.org/all/6ab9c709.e548f532.1ca396.0042.GAE@google.com
ID (for dev) 3f61304c-d949-4760-b6a1-f43b0fb5862d
Status finished
Triaged OK [Log]
Execution Log [Link]
Test Base Patched Verdict
[build 0] Build Patched 415f2044228cc8b948dc04e079aaa86a4d1aa1d3 [Config] [patched] passed [Log]
[build 0] Boot test: Patched 415f2044228cc8b948dc04e079aaa86a4d1aa1d3 [Config] [patched] passed [Log]
[build 0] Previous reproducers 415f2044228cc8b948dc04e079aaa86a4d1aa1d3 [Config] [patched] passed [Log]
↳ KASAN: slab-use-after-free Read in llcp_sock_connect - passed [Log]
↳ KASAN: slab-use-after-free Read in nfc_remove_device - passed
Session 2026-09-27
Steps Failed Job Job requested at: https://lore.kernel.org/all/6ab9a58e.80e1c6cc.1e8e5f.0067.GAE@google.com
ID (for dev) e4b2a66d-32a6-410d-9fe5-c4fe22bd6f0e
Status finished
Triaged OK [Log]
Execution Log [Link]
Test Base Patched Verdict
[build 0] Build Patched error [Log]