Subject bpf: Fix UAF in bpf_trampoline_multi_attach/detach on update failure
Author hui.zhu@linux.dev
Date 2026-08-05 04:04:06 +0000 UTC
Version
Cc andrii@kernel.org ast@kernel.org bpf@vger.kernel.org daniel@iogearbox.net eddyz87@gmail.com emil@etsalapatis.com hui.zhu@linux.dev ihor.solodrai@linux.dev john.fastabend@gmail.com jolsa@kernel.org kpsingh@kernel.org linux-kernel@vger.kernel.org linux-trace-kernel@vger.kernel.org martin.lau@linux.dev mathieu.desnoyers@efficios.com matt@bobrowski.net memxor@gmail.com mhiramat@kernel.org rostedt@goodmis.org song@kernel.org yonghong.song@linux.dev zhuhui@kylinos.cn
Patches (3)
Name Content [All]
[PATCH bpf-next v2 1/3] bpf: Fix UAF in bpf_trampoline_multi_detach on update failure [Body]
[PATCH bpf-next v2 2/3] bpf: Fix prog UAF in bpf_trampoline_multi_attach() register-path rollback [Body]
[PATCH bpf-next v2 3/3] bpf: Fix prog UAF in __bpf_trampoline_unlink_prog() on update failure [Body]
Series Summary
Passed
✓ All tests passed. No findings.
Sessions
Session 2026-08-05
Passed
ID (for dev) 74ed31ae-315a-436d-a259-b42644c57464
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 7f333f85f83da9a20a60a1d8bf518c4ae0818e5a [Config] passed [Log]
[KASAN] Boot test: Base 7f333f85f83da9a20a60a1d8bf518c4ae0818e5a [Config] passed [Log]
[KASAN] Build Patched 7f333f85f83da9a20a60a1d8bf518c4ae0818e5a [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 7f333f85f83da9a20a60a1d8bf518c4ae0818e5a [Config] [patched] passed [Log]
[KASAN] Fuzz 7f333f85f83da9a20a60a1d8bf518c4ae0818e5a [Config] 7f333f85f83da9a20a60a1d8bf518c4ae0818e5a [Config] [patched] passed [Log] [Artifacts]