From 2acc5fd5b8c25df0de7f3c8b8e385f5c6f8202ec Mon Sep 17 00:00:00 2001 From: David Miller Date: Fri, 30 Nov 2018 21:08:39 -0800 Subject: [PATCH] bpf: Make more use of 'any' alignment in test_verifier.c Use F_NEEDS_EFFICIENT_UNALIGNED_ACCESS in more tests where the expected result is REJECT. Signed-off-by: David S. Miller Signed-off-by: Alexei Starovoitov --- tools/testing/selftests/bpf/test_verifier.c | 44 +++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index 1d1775faaf14..6bfd3242ea43 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -1823,6 +1823,7 @@ static struct bpf_test tests[] = { .errstr = "invalid bpf_context access", .result = REJECT, .prog_type = BPF_PROG_TYPE_SK_MSG, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "direct packet read for SK_MSG", @@ -2215,6 +2216,8 @@ static struct bpf_test tests[] = { }, .errstr = "invalid bpf_context access", .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "check cb access: half, wrong type", @@ -3281,6 +3284,7 @@ static struct bpf_test tests[] = { .result = REJECT, .errstr = "R0 invalid mem access 'inv'", .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "raw_stack: skb_load_bytes, spilled regs corruption 2", @@ -3311,6 +3315,7 @@ static struct bpf_test tests[] = { .result = REJECT, .errstr = "R3 invalid mem access 'inv'", .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "raw_stack: skb_load_bytes, spilled regs + data", @@ -3810,6 +3815,7 @@ static struct bpf_test tests[] = { .errstr = "R2 invalid mem access 'inv'", .result = REJECT, .prog_type = BPF_PROG_TYPE_SCHED_CLS, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "direct packet access: test16 (arith on data_end)", @@ -3993,6 +3999,7 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_SCHED_CLS, .result = REJECT, .errstr = "invalid access to packet, off=0 size=8, R5(id=1,off=0,r=0)", + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "direct packet access: test24 (x += pkt_ptr, 5)", @@ -5149,6 +5156,7 @@ static struct bpf_test tests[] = { .result = REJECT, .errstr = "invalid access to map value, value_size=64 off=-2 size=4", .prog_type = BPF_PROG_TYPE_CGROUP_SKB, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "invalid cgroup storage access 5", @@ -5265,6 +5273,7 @@ static struct bpf_test tests[] = { .result = REJECT, .errstr = "invalid access to map value, value_size=64 off=-2 size=4", .prog_type = BPF_PROG_TYPE_CGROUP_SKB, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "invalid per-cpu cgroup storage access 5", @@ -7206,6 +7215,7 @@ static struct bpf_test tests[] = { .errstr = "invalid mem access 'inv'", .result = REJECT, .result_unpriv = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "map element value illegal alu op, 5", @@ -7228,6 +7238,7 @@ static struct bpf_test tests[] = { .fixup_map_hash_48b = { 3 }, .errstr = "R0 invalid mem access 'inv'", .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "map element value is preserved across register spilling", @@ -9720,6 +9731,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_end > pkt_data', good access", @@ -9758,6 +9770,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_end > pkt_data', bad access 2", @@ -9776,6 +9789,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data' < pkt_end, good access", @@ -9814,6 +9828,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data' < pkt_end, bad access 2", @@ -9832,6 +9847,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_end < pkt_data', good access", @@ -9886,6 +9902,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data' >= pkt_end, good access", @@ -9922,6 +9939,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data' >= pkt_end, bad access 2", @@ -9997,6 +10015,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data' <= pkt_end, good access", @@ -10053,6 +10072,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_end <= pkt_data', good access", @@ -10089,6 +10109,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_end <= pkt_data', bad access 2", @@ -10162,6 +10183,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data > pkt_meta', good access", @@ -10200,6 +10222,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data > pkt_meta', bad access 2", @@ -10218,6 +10241,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_meta' < pkt_data, good access", @@ -10256,6 +10280,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_meta' < pkt_data, bad access 2", @@ -10274,6 +10299,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data < pkt_meta', good access", @@ -10328,6 +10354,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_meta' >= pkt_data, good access", @@ -10364,6 +10391,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_meta' >= pkt_data, bad access 2", @@ -10439,6 +10467,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_meta' <= pkt_data, good access", @@ -10495,6 +10524,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data <= pkt_meta', good access", @@ -10531,6 +10561,7 @@ static struct bpf_test tests[] = { .errstr = "R1 offset is outside of the packet", .result = REJECT, .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "XDP pkt read, pkt_data <= pkt_meta', bad access 2", @@ -10635,6 +10666,7 @@ static struct bpf_test tests[] = { }, .result = REJECT, .errstr = "dereference of modified ctx ptr", + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "check deducing bounds from const, 8", @@ -10648,6 +10680,7 @@ static struct bpf_test tests[] = { }, .result = REJECT, .errstr = "dereference of modified ctx ptr", + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "check deducing bounds from const, 9", @@ -11122,6 +11155,7 @@ static struct bpf_test tests[] = { .result = REJECT, .errstr = "R6 invalid mem access 'inv'", .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: two calls with args", @@ -11987,6 +12021,7 @@ static struct bpf_test tests[] = { .fixup_map_hash_8b = { 12, 22 }, .result = REJECT, .errstr = "invalid access to map value, value_size=8 off=2 size=8", + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: two calls that receive map_value via arg=ptr_stack_of_caller. test2", @@ -12130,6 +12165,7 @@ static struct bpf_test tests[] = { .fixup_map_hash_8b = { 12, 22 }, .result = REJECT, .errstr = "invalid access to map value, value_size=8 off=2 size=8", + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: two calls that receive map_value_ptr_or_null via arg. test1", @@ -12301,6 +12337,7 @@ static struct bpf_test tests[] = { .result = ACCEPT, .prog_type = BPF_PROG_TYPE_SCHED_CLS, .retval = POINTER_VALUE, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: pkt_ptr spill into caller stack 2", @@ -12332,6 +12369,7 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_SCHED_CLS, .errstr = "invalid access to packet", .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: pkt_ptr spill into caller stack 3", @@ -12434,6 +12472,7 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_SCHED_CLS, .errstr = "same insn cannot be used with different", .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: pkt_ptr spill into caller stack 6", @@ -12469,6 +12508,7 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_SCHED_CLS, .errstr = "R4 invalid mem access", .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: pkt_ptr spill into caller stack 7", @@ -12503,6 +12543,7 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_SCHED_CLS, .errstr = "R4 invalid mem access", .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: pkt_ptr spill into caller stack 8", @@ -12584,6 +12625,7 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_SCHED_CLS, .errstr = "invalid access to packet", .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "calls: caller stack init to zero or map_value_or_null", @@ -12949,6 +12991,7 @@ static struct bpf_test tests[] = { .result = REJECT, .errstr = "BPF_XADD stores into R2 pkt is not allowed", .prog_type = BPF_PROG_TYPE_XDP, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "xadd/w check whether src/dst got mangled, 1", @@ -13435,6 +13478,7 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_SCHED_CLS, .errstr = "Unreleased reference", .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "reference tracking: alloc, check, free in both subbranches",