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| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-06-26 23:52:33 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-06-26 23:52:33 -0400 |
| commit | ca1579f6c6085ecb1838d9ee052e535682cc0e73 (patch) | |
| tree | 492bbb19183f84545026f91ecf23957796be8de8 /lib | |
| parent | 20dcf8e244b963a5c64cdda336d00d5169d17985 (diff) | |
| parent | f73127356f344483c82632accda2e72b7e0e5f25 (diff) | |
Merge remote-tracking branch 'jl/locks-4.13' into work.misc-set_fs
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/test_bpf.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/test_bpf.c b/lib/test_bpf.c index 889bc31785be..be88cbaadde3 100644 --- a/lib/test_bpf.c +++ b/lib/test_bpf.c @@ -4504,6 +4504,44 @@ static struct bpf_test tests[] = { { }, { { 0, 1 } }, }, + { + "JMP_JSGE_K: Signed jump: value walk 1", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_LD_IMM64(R1, -3), + BPF_JMP_IMM(BPF_JSGE, R1, 0, 6), + BPF_ALU64_IMM(BPF_ADD, R1, 1), + BPF_JMP_IMM(BPF_JSGE, R1, 0, 4), + BPF_ALU64_IMM(BPF_ADD, R1, 1), + BPF_JMP_IMM(BPF_JSGE, R1, 0, 2), + BPF_ALU64_IMM(BPF_ADD, R1, 1), + BPF_JMP_IMM(BPF_JSGE, R1, 0, 1), + BPF_EXIT_INSN(), /* bad exit */ + BPF_ALU32_IMM(BPF_MOV, R0, 1), /* good exit */ + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, + { + "JMP_JSGE_K: Signed jump: value walk 2", + .u.insns_int = { + BPF_ALU32_IMM(BPF_MOV, R0, 0), + BPF_LD_IMM64(R1, -3), + BPF_JMP_IMM(BPF_JSGE, R1, 0, 4), + BPF_ALU64_IMM(BPF_ADD, R1, 2), + BPF_JMP_IMM(BPF_JSGE, R1, 0, 2), + BPF_ALU64_IMM(BPF_ADD, R1, 2), + BPF_JMP_IMM(BPF_JSGE, R1, 0, 1), + BPF_EXIT_INSN(), /* bad exit */ + BPF_ALU32_IMM(BPF_MOV, R0, 1), /* good exit */ + BPF_EXIT_INSN(), + }, + INTERNAL, + { }, + { { 0, 1 } }, + }, /* BPF_JMP | BPF_JGT | BPF_K */ { "JMP_JGT_K: if (3 > 2) return 1", |