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2023-02-28T13:10:43.064809Z warn OS CA Cert could not be found for agent
[ -f bpf/mb_connect.c ] && make -C bpf load || make -C bpf load-from-obj
make[1]: Entering directory '/app/bpf'
Makefile:69:…
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Hi.
I redirect tcp(http) packets coming into eth0(NIC) to the lo interface as an example of packet03-redirecting
I want to see http as tcpdump in lo but it doesn't work.
However, redirecting from e…
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Hi,
We have modified our BPF with togglecontrols and are now struggling with importing the bpf to another environment. the solution import error looks like this:
Exception type: System.ServiceM…
MHI9A updated
2 years ago
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Hi,
I usually see the question
> everything is right (including kernel version, ebpf program, etc), but my ebpf programs still cannot work
Such kind of issues mostly caused by the kernel com…
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Solve all FIXMEs
- [ ] Add tests for bpf examples
- [ ] Clarify if we should start with deny all
- [ ] Clarify order in which rules should be applied
- [ ] Check if we should use BPF_F_REPLACE
- …
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```c
#include
#include
SEC("xdp")
int trigger_crash(struct xdp_md *ctx)
{
unsigned int key = 0;
for (int i = 0; i < 100; i++) {
__sync_fetch_and_add(&key, 0);
}
r…
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Hi, i follow solana bootcamp lecture from youtube and trying to run some code from this repo.
got error when running `cargo build-bpf`
rustup show:
```
Default host: x86_64-apple-darwin
rustup …
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I compiled the following code with `bpf-gcc`:
```c
int foo (void)
{
int n = 10, m = 100, k = -1;
n = 10 * k + ((unsigned) m) % 7;
k = (n ^ m) >> 2;
return k;
}
```
When disassemble…
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This issue is to track adding support for the following helper functions:
- [ ] bpf_fib_lookup
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The eBPF JIT necessarily allocates a buffer for the generated code with pages that have +w, but will eventually have +x, and is a natural target for attackers. For this reason, they mark the buffer re…
tych0 updated
6 years ago