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authorSean Paul <seanpaul@chromium.org>2019-04-10 15:50:49 -0400
committerSean Paul <seanpaul@chromium.org>2019-04-10 15:50:49 -0400
commit3bfaf1f7044c6a3b1e00fcad2d0529f0da449d67 (patch)
tree490bc7e8aa29c2ee41eb4813683f1aa23971abd3 /tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
parent669105a74a287b14cdec04c64eb51db1bb890f64 (diff)
parent14d2bd53a47a7e1cb3e03d00a6b952734cf90f3f (diff)
downloadtalos-op-linux-3bfaf1f7044c6a3b1e00fcad2d0529f0da449d67.tar.gz
talos-op-linux-3bfaf1f7044c6a3b1e00fcad2d0529f0da449d67.zip
Merge drm/drm-next into drm-misc-next
Finally have a reason for a backmerge other than "it's been a while"! Backmerging drm-next to -misc-next to facilitate Rob Herring's work on Panfrost. Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'tools/testing/selftests/bpf/verifier/prevent_map_lookup.c')
-rw-r--r--tools/testing/selftests/bpf/verifier/prevent_map_lookup.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
new file mode 100644
index 000000000000..bbdba990fefb
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
@@ -0,0 +1,74 @@
+{
+ "prevent map lookup in sockmap",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 3 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 15 into func bpf_map_lookup_elem",
+ .prog_type = BPF_PROG_TYPE_SOCK_OPS,
+},
+{
+ "prevent map lookup in sockhash",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockhash = { 3 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 18 into func bpf_map_lookup_elem",
+ .prog_type = BPF_PROG_TYPE_SOCK_OPS,
+},
+{
+ "prevent map lookup in xskmap",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_xskmap = { 3 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 17 into func bpf_map_lookup_elem",
+ .prog_type = BPF_PROG_TYPE_XDP,
+},
+{
+ "prevent map lookup in stack trace",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_stacktrace = { 3 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 7 into func bpf_map_lookup_elem",
+ .prog_type = BPF_PROG_TYPE_PERF_EVENT,
+},
+{
+ "prevent map lookup in prog array",
+ .insns = {
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_prog2 = { 3 },
+ .result = REJECT,
+ .errstr = "cannot pass map_type 3 into func bpf_map_lookup_elem",
+},
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