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authorJakub Kicinski <kuba@kernel.org>2024-12-05 11:48:58 -0800
committerJakub Kicinski <kuba@kernel.org>2024-12-19 11:35:07 -0800
commit07e5c4eb94e6aba96fa11b424b39c5e5576a7713 (patch)
treeab7c48de9389e6e3c30586630b19ead62ae43637 /tools/testing/selftests/bpf/progs/raw_tp_null_fail.c
parent6b3099ebca13ecc5d0e7d07b438672addbd65da6 (diff)
parent8faabc041a001140564f718dabe37753e88b37fa (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.13-rc4). No conflicts. Adjacent changes: drivers/net/ethernet/renesas/rswitch.h 32fd46f5b69e ("net: renesas: rswitch: remove speed from gwca structure") 922b4b955a03 ("net: renesas: rswitch: rework ts tags management") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/raw_tp_null_fail.c')
-rw-r--r--tools/testing/selftests/bpf/progs/raw_tp_null_fail.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/raw_tp_null_fail.c b/tools/testing/selftests/bpf/progs/raw_tp_null_fail.c
new file mode 100644
index 000000000000..38d669957bf1
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/raw_tp_null_fail.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
+
+#include <vmlinux.h>
+#include <bpf/bpf_tracing.h>
+#include "bpf_misc.h"
+
+char _license[] SEC("license") = "GPL";
+
+/* Ensure module parameter has PTR_MAYBE_NULL */
+SEC("tp_btf/bpf_testmod_test_raw_tp_null")
+__failure __msg("R1 invalid mem access 'trusted_ptr_or_null_'")
+int test_raw_tp_null_bpf_testmod_test_raw_tp_null_arg_1(void *ctx) {
+ asm volatile("r1 = *(u64 *)(r1 +0); r1 = *(u64 *)(r1 +0);" ::: __clobber_all);
+ return 0;
+}
+
+/* Check NULL marking */
+SEC("tp_btf/sched_pi_setprio")
+__failure __msg("R1 invalid mem access 'trusted_ptr_or_null_'")
+int test_raw_tp_null_sched_pi_setprio_arg_2(void *ctx) {
+ asm volatile("r1 = *(u64 *)(r1 +8); r1 = *(u64 *)(r1 +0);" ::: __clobber_all);
+ return 0;
+}