Syzbot CI

Subject	bpf: Support stack arguments for BPF functions and kfuncs
Author	yonghong.song@linux.dev
Date	2026-04-19 16:33:21 +0000 UTC
Version
Cc	andrii@kernel.org ast@kernel.org bpf@vger.kernel.org daniel@iogearbox.net jose.marchesi@oracle.com kernel-team@fb.com martin.lau@kernel.org yonghong.song@linux.dev

Subject

bpf: Support stack arguments for BPF functions and kfuncs

Author

yonghong.song@linux.dev

Date

2026-04-19 16:33:21 +0000 UTC

Version

andrii@kernel.org ast@kernel.org bpf@vger.kernel.org daniel@iogearbox.net jose.marchesi@oracle.com kernel-team@fb.com martin.lau@kernel.org yonghong.song@linux.dev

Name	Content [All]
[PATCH bpf-next v6 01/17] bpf: Remove unused parameter from check_map_kptr_access()	[Body]
[PATCH bpf-next v6 02/17] bpf: Refactor to avoid redundant calculation of bpf_reg_state	[Body]
[PATCH bpf-next v6 03/17] bpf: Refactor to handle memory and size together	[Body]
[PATCH bpf-next v6 04/17] bpf: Prepare verifier logs for upcoming kfunc stack arguments	[Body]
[PATCH bpf-next v6 05/17] bpf: Introduce bpf register BPF_REG_PARAMS	[Body]
[PATCH bpf-next v6 06/17] bpf: Reuse MAX_BPF_FUNC_ARGS for maximum number of arguments	[Body]
[PATCH bpf-next v6 07/17] bpf: Support stack arguments for bpf functions	[Body]
[PATCH bpf-next v6 08/17] bpf: Reject stack arguments in non-JITed programs	[Body]
[PATCH bpf-next v6 09/17] bpf: Track r11 registers in const_fold and liveness	[Body]
[PATCH bpf-next v6 10/17] bpf: Prepare architecture JIT support for stack arguments	[Body]
[PATCH bpf-next v6 11/17] bpf: Enable r11 based insns	[Body]
[PATCH bpf-next v6 12/17] bpf: Support stack arguments for kfunc calls	[Body]
[PATCH bpf-next v6 13/17] bpf: Reject stack arguments if tail call reachable	[Body]
[PATCH bpf-next v6 14/17] bpf,x86: Implement JIT support for stack arguments	[Body]
[PATCH bpf-next v6 15/17] selftests/bpf: Add tests for BPF function stack arguments	[Body]
[PATCH bpf-next v6 16/17] selftests/bpf: Add tests for stack argument validation	[Body]
[PATCH bpf-next v6 17/17] selftests/bpf: Add verifier tests for stack argument validation	[Body]

Name

Content [All]

[PATCH bpf-next v6 01/17] bpf: Remove unused parameter from check_map_kptr_access()

[PATCH bpf-next v6 02/17] bpf: Refactor to avoid redundant calculation of bpf_reg_state

[PATCH bpf-next v6 03/17] bpf: Refactor to handle memory and size together

[PATCH bpf-next v6 04/17] bpf: Prepare verifier logs for upcoming kfunc stack arguments

[PATCH bpf-next v6 05/17] bpf: Introduce bpf register BPF_REG_PARAMS

[PATCH bpf-next v6 06/17] bpf: Reuse MAX_BPF_FUNC_ARGS for maximum number of arguments

[PATCH bpf-next v6 07/17] bpf: Support stack arguments for bpf functions

[PATCH bpf-next v6 08/17] bpf: Reject stack arguments in non-JITed programs

[PATCH bpf-next v6 09/17] bpf: Track r11 registers in const_fold and liveness

[PATCH bpf-next v6 10/17] bpf: Prepare architecture JIT support for stack arguments

[PATCH bpf-next v6 11/17] bpf: Enable r11 based insns

[PATCH bpf-next v6 12/17] bpf: Support stack arguments for kfunc calls

[PATCH bpf-next v6 13/17] bpf: Reject stack arguments if tail call reachable

[PATCH bpf-next v6 14/17] bpf,x86: Implement JIT support for stack arguments

[PATCH bpf-next v6 15/17] selftests/bpf: Add tests for BPF function stack arguments

[PATCH bpf-next v6 16/17] selftests/bpf: Add tests for stack argument validation

[PATCH bpf-next v6 17/17] selftests/bpf: Add verifier tests for stack argument validation

Session 2026-04-19

Passed

ID (for dev)	d3202940-a7d7-4f64-b228-61b8e43005d5
Status	finished
Triaged	OK [Log]
Execution Log	[Link]

Test	Base	Patched	Verdict
[KASAN] Build Base	7c528b364bd8b2e5629aab1d84898c52c2085187 [Config]		passed [Log]
[KASAN] Boot test: Base	7c528b364bd8b2e5629aab1d84898c52c2085187 [Config]		passed [Log]
[KASAN] Build Patched		7c528b364bd8b2e5629aab1d84898c52c2085187 [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		7c528b364bd8b2e5629aab1d84898c52c2085187 [Config] [patched]	passed [Log]
[KASAN] Fuzz	7c528b364bd8b2e5629aab1d84898c52c2085187 [Config]	7c528b364bd8b2e5629aab1d84898c52c2085187 [Config] [patched]	passed [Log] [Artifacts]

Patches (17)

Series Summary

Sessions

Session 2026-04-19