Daniel Borkmann
db123e4230
selftests/bpf: Add test case for delta propagation
Add a small BPF verifier test case to ensure that alu32 additions to
registers are not subject to linked scalar delta tracking.
# ./vmtest.sh -- ./test_progs -t verifier_linked_scalars
[...]
./test_progs -t verifier_linked_scalars
[ 1.413138] tsc: Refined TSC clocksource calibration: 3407.993 MHz
[ 1.413524] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fcd52370, max_idle_ns: 440795242006 ns
[ 1.414223] clocksource: Switched to clocksource tsc
[ 1.419640] bpf_testmod: loading out-of-tree module taints kernel.
[ 1.420025] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
#500/1 verifier_linked_scalars/scalars: find linked scalars:OK
#500 verifier_linked_scalars:OK
Summary: 1/1 PASSED, 0 SKIPPED, 0 FAILED
[ 1.590858] ACPI: PM: Preparing to enter system sleep state S5
[ 1.591402] reboot: Power down
[...]
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/bpf/20241016134913.32249-3-daniel@iogearbox.net
2024-10-17 11:06:34 -07:00
..
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