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authorThomas Zimmermann <tzimmermann@suse.de>2021-12-17 11:33:33 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2021-12-17 11:33:33 +0100
commit1758047057dbe329be712a31b79db7151b5871f8 (patch)
tree00203eb55328f2feda70b3d37c964287b364796f /tools/testing/selftests/bpf/verifier/atomic_invalid.c
parentbcae3af286f49bf4f6cda03f165fbe530f4a6bed (diff)
parent1c405ca11bf563de1725e5ecfb4a74ee289d2ee9 (diff)
Merge drm/drm-next into drm-misc-next-fixes
Backmerging to bring drm-misc-next-fixes up to the latest state for the current release cycle. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/atomic_invalid.c')
-rw-r--r--tools/testing/selftests/bpf/verifier/atomic_invalid.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/atomic_invalid.c b/tools/testing/selftests/bpf/verifier/atomic_invalid.c
new file mode 100644
index 000000000000..39272720b2f6
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/atomic_invalid.c
@@ -0,0 +1,25 @@
+#define __INVALID_ATOMIC_ACCESS_TEST(op) \
+ { \
+ "atomic " #op " access through non-pointer ", \
+ .insns = { \
+ BPF_MOV64_IMM(BPF_REG_0, 1), \
+ BPF_MOV64_IMM(BPF_REG_1, 0), \
+ BPF_ATOMIC_OP(BPF_DW, op, BPF_REG_1, BPF_REG_0, -8), \
+ BPF_MOV64_IMM(BPF_REG_0, 0), \
+ BPF_EXIT_INSN(), \
+ }, \
+ .result = REJECT, \
+ .errstr = "R1 invalid mem access 'inv'" \
+ }
+__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_AND),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_AND | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_OR),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_OR | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_XOR),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_XOR | BPF_FETCH),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_XCHG),
+__INVALID_ATOMIC_ACCESS_TEST(BPF_CMPXCHG),