Syzbot CI

Subject	Eliminate spill overhead for bpf_throw()
Author	memxor@gmail.com
Date	2026-10-20 18:01:37 +0000 UTC
Version
Cc	andrii@kernel.org ast@kernel.org bpf@vger.kernel.org daniel@iogearbox.net eddyz87@gmail.com emil@etsalapatis.com ihor.solodrai@linux.dev kernel-team@meta.com kkd@meta.com memxor@gmail.com yonghong.song@linux.dev

Subject

Eliminate spill overhead for bpf_throw()

Author

memxor@gmail.com

Date

2026-10-20 18:01:37 +0000 UTC

Version

andrii@kernel.org ast@kernel.org bpf@vger.kernel.org daniel@iogearbox.net eddyz87@gmail.com emil@etsalapatis.com ihor.solodrai@linux.dev kernel-team@meta.com kkd@meta.com memxor@gmail.com yonghong.song@linux.dev

Name	Content [All]
[PATCH bpf-next v1 1/6] bpf, x86: Account for the r9 push in exception boundary program	[Body]
[PATCH bpf-next v1 2/6] bpf: Record where JITed subprograms keep callee-saved registers	[Body]
[PATCH bpf-next v1 3/6] bpf: Add bpf_throw_unwind() and a hook for bpf_throw() entry	[Body]
[PATCH bpf-next v1 4/6] bpf, x86: Add a native bpf_throw() entry that captures R6 to R9	[Body]
[PATCH bpf-next v1 5/6] bpf, arm64: Add a native bpf_throw() entry that captures R6 to R9	[Body]
[PATCH bpf-next v1 6/6] bpf: Restore callee-saved registers from the frames being unwound	[Body]

Name

Content [All]

[PATCH bpf-next v1 1/6] bpf, x86: Account for the r9 push in exception boundary program

[PATCH bpf-next v1 2/6] bpf: Record where JITed subprograms keep callee-saved registers

[PATCH bpf-next v1 3/6] bpf: Add bpf_throw_unwind() and a hook for bpf_throw() entry

[PATCH bpf-next v1 4/6] bpf, x86: Add a native bpf_throw() entry that captures R6 to R9

[PATCH bpf-next v1 5/6] bpf, arm64: Add a native bpf_throw() entry that captures R6 to R9

[PATCH bpf-next v1 6/6] bpf: Restore callee-saved registers from the frames being unwound

Session 2026-10-20

Passed

ID (for dev)	ecc16cc8-b5ed-4c51-a524-ce3f21b51d33
Status	finished
Triaged	OK [Log] [Trajectory]
Execution Log	[Link]

Test	Base	Patched	Verdict
[KASAN] Build Base	b71326388a8a24674846c1d8d3b6dd831d9843a9 [Config]		passed [Log]
[KASAN] Boot test: Base	b71326388a8a24674846c1d8d3b6dd831d9843a9 [Config]		passed [Log]
[KASAN] Build Patched		b71326388a8a24674846c1d8d3b6dd831d9843a9 [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		b71326388a8a24674846c1d8d3b6dd831d9843a9 [Config] [patched]	passed [Log]
[KASAN] Fuzz	b71326388a8a24674846c1d8d3b6dd831d9843a9 [Config]	b71326388a8a24674846c1d8d3b6dd831d9843a9 [Config] [patched]	passed [Log] [Artifacts]

Patches (6)

Series Summary

Sessions

Session 2026-10-20