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From: Ihor Solodrai <ihor.solodrai@linux.dev>
To: "Alexei Starovoitov" <ast@kernel.org>,
	"Andrii Nakryiko" <andrii@kernel.org>,
	"Daniel Borkmann" <daniel@iogearbox.net>,
	"Eduard Zingerman" <eddyz87@gmail.com>,
	"Jiri Olsa" <olsajiri@gmail.com>,
	"Mykyta Yatsenko" <yatsenko@meta.com>,
	"Alexis Lothoré" <alexis.lothore@bootlin.com>
Cc: Amery Hung <ameryhung@gmail.com>,
	bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel-team@meta.com
Subject: [PATCH bpf v2 03/15] selftests/bpf: Add DENYLIST.asan
Date: Tue, 17 Feb 2026 16:30:29 -0800	[thread overview]
Message-ID: <20260218003041.1156774-4-ihor.solodrai@linux.dev> (raw)
In-Reply-To: <20260218003041.1156774-1-ihor.solodrai@linux.dev>

Add a denylist file for tests that should be skipped when built with
userspace ASAN:

    $ make ... SAN_CFLAGS="-fsanitize=address -fno-omit-frame-pointer"

Skip the following tests:

- *arena*: userspace ASAN does not understand BPF arena maps and gets
  confused particularly when map_extra is non-zero
  - non-zero map_extra leads to mmap with MAP_FIXED, and ASAN treats
    this as an unknown memory region
- task_local_data: ASAN complains about "incorrect" aligned_alloc()
  usage, but it's intentional in the test
- uprobe_multi_test: very slow with ASAN enabled

Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
---
 tools/testing/selftests/bpf/DENYLIST.asan | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 tools/testing/selftests/bpf/DENYLIST.asan

diff --git a/tools/testing/selftests/bpf/DENYLIST.asan b/tools/testing/selftests/bpf/DENYLIST.asan
new file mode 100644
index 000000000000..d7fe372a2293
--- /dev/null
+++ b/tools/testing/selftests/bpf/DENYLIST.asan
@@ -0,0 +1,3 @@
+*arena*
+task_local_data
+uprobe_multi_test
-- 
2.53.0


  parent reply	other threads:[~2026-02-18  0:31 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-18  0:30 [PATCH bpf v2 00/15] selftests/bpf: Fixes for userspace ASAN Ihor Solodrai
2026-02-18  0:30 ` [PATCH bpf v2 01/15] selftests/bpf: Pass through build flags to bpftool and resolve_btfids Ihor Solodrai
2026-02-18  0:30 ` [PATCH bpf v2 02/15] resolve_btfids: Fix memory leaks reported by ASAN Ihor Solodrai
2026-02-18  0:30 ` Ihor Solodrai [this message]
2026-02-18  0:30 ` [PATCH bpf v2 04/15] selftests/bpf: Refactor bpf_get_ksyms() trace helper Ihor Solodrai
2026-02-18  0:30 ` [PATCH bpf v2 05/15] selftests/bpf: Fix memory leaks in tests Ihor Solodrai
2026-02-19 23:58   ` Eduard Zingerman
2026-02-18  0:30 ` [PATCH bpf v2 06/15] selftests/bpf: Fix cleanup in check_fd_array_cnt__fd_array_too_big() Ihor Solodrai
2026-02-18  0:30 ` [PATCH bpf v2 07/15] veristat: Fix a memory leak for preset ENUMERATOR Ihor Solodrai
2026-02-18  0:30 ` [PATCH bpf v2 08/15] selftests/bpf: Fix use-after-free in xdp_metadata test Ihor Solodrai
2026-02-18  0:30 ` [PATCH bpf v2 09/15] selftests/bpf: Fix double thread join in uprobe_multi_test Ihor Solodrai
2026-02-18 17:54   ` Ihor Solodrai
2026-02-18 18:47     ` Mykyta Yatsenko
2026-02-22 22:18     ` [PATCH bpf v2 09/15] selftests/bpf: Fix double thread join in uprobe_multi_testg Jiri Olsa
2026-02-18  0:30 ` [PATCH bpf v2 10/15] selftests/bpf: Fix resource leaks caused by missing cleanups Ihor Solodrai
2026-02-18  0:30 ` [PATCH bpf v2 11/15] selftests/bpf: Free bpf_object in test_sysctl Ihor Solodrai
2026-02-20  0:08   ` Eduard Zingerman
2026-02-18  0:30 ` [PATCH bpf v2 12/15] selftests/bpf: Fix array bounds warning in jit_disasm_helpers Ihor Solodrai
2026-02-18  0:30 ` [PATCH bpf v2 13/15] selftests/bpf: Fix out-of-bounds array access bugs reported by ASAN Ihor Solodrai
2026-02-18  0:30 ` [PATCH bpf v2 14/15] selftests/bpf: Check BPFTOOL env var in detect_bpftool_path() Ihor Solodrai
2026-02-18 16:44   ` Mykyta Yatsenko
2026-02-18 17:38   ` Alexei Starovoitov
2026-02-18 18:17     ` Ihor Solodrai
2026-02-19  1:12       ` Ihor Solodrai
2026-02-19  1:39         ` Alexei Starovoitov
2026-02-18  0:30 ` [PATCH bpf v2 15/15] selftests/bpf: Don't override SIGSEGV handler with ASAN Ihor Solodrai
2026-02-18 15:12   ` Mykyta Yatsenko
2026-02-20  0:36     ` Eduard Zingerman

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