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b1a7a480a1
Add selftests validating BPF_LOG_FIXED behavior, which used to be the only behavior, and now default rotating BPF verifier log, which returns just up to last N bytes of full verifier log, instead of returning -ENOSPC. To stress test correctness of in-kernel verifier log logic, we force it to truncate program's verifier log to all lengths from 1 all the way to its full size (about 450 bytes today). This was a useful stress test while developing the feature. For both fixed and rotating log modes we expect -ENOSPC if log contents doesn't fit in user-supplied log buffer. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Lorenz Bauer <lmb@isovalent.com> Link: https://lore.kernel.org/bpf/20230406234205.323208-7-andrii@kernel.org |
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| accounting | ||
| arch | ||
| bootconfig | ||
| bpf | ||
| build | ||
| certs | ||
| cgroup | ||
| counter | ||
| debugging | ||
| edid | ||
| firewire | ||
| firmware | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| io_uring | ||
| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| mm | ||
| net/ynl | ||
| objtool | ||
| pci | ||
| pcmcia | ||
| perf | ||
| power | ||
| rcu | ||
| scripts | ||
| spi | ||
| testing | ||
| thermal | ||
| time | ||
| tracing | ||
| usb | ||
| verification | ||
| virtio | ||
| wmi | ||
| Makefile | ||