StackOverflow Questions for Tag: ebpf

bugrazoid

Reputation: 1

Horrible eBPF performance of TC program on Rust + Aya when reading from HashMap

rusthashmapebpf

Score: 0

Answers: 0

triple fault

Reputation: 14138

Getting -EACCES when callig kfunc from ebpf code

ebpf

Score: 0

Answers: 0

Dennis Orlando

Reputation: 47

BPF program attached to `getname` won't get called when calling the `renameat2` syscall

linuxlinux-kernelsystem-callsebpfbpf

Score: 0

Answers: 1

maplgebra

Reputation: 123

eBPF `bpf_core_read` returns incorrect value

ebpfbpflibbpf

Score: 0

Answers: 0

Vibhav Kanakamedala

Reputation: 1

Ebpf accessing filename from fd

linux-kernelebpf

Score: 0

Answers: 1

marcfranc

Reputation: 1

eBPF TCP checksum too big

cebpf

Score: 0

Answers: 1

Maicake

Reputation: 1136

What is not allowed in restricted C for eBPF?

clinux-kernelmanpagebpfebpf

Score: 5

Answers: 2

the_bearded_skull

Reputation: 73

eBPF: Pass metadata along with a socket redirection?

linuxsocketsebpf

Score: 0

Answers: 0

wusheng

Reputation: 118

why `bpf_sk_redirect_map` cannot redirect udp skb

csocketslinux-kernelebpf

Score: 1

Answers: 1

Chris White

Reputation: 30089

full path for open / openat relative filenames

ebpfbcc-bpf

Score: 5

Answers: 0

Kendrick

Reputation: 1

eBPF reserve ring buffer in kprobe and submit in kretprobe

ebpfxdp-bpf

Score: 0

Answers: 0

Orian

Reputation: 59

eBPF - Polling/waiting for userspace in XDP

linuxebpfbpfxdp-bpf

Score: 0

Answers: 1

Gourav Kumar

Reputation: 147

Compatibility of bpf_get_ns_current_pid_tgid helper function across different eBPF program types

dockerpidebpfcgroups

Score: 0

Answers: 1

FauraSol

Reputation: 13

Trying to modify a kernel variable by eBPF, is it possible?

linux-kernelebpf

Score: 0

Answers: 0

pilot

Reputation: 1

Trace the ip_recv() function using BPF, but only packets from the lo interface can be captured

linux-kernelebpfbpfbcc-bpflibbpf

Score: 0

Answers: 0

peng zhang

Reputation: 13

Why can't I get the parent process' task_struct pointer in libbpf program?

linuxebpf

Score: 1

Answers: 1

KnightChaser

Reputation: 166

eBPF program fails with "libbpf: failed to find valid kernel BTF" after upgrading to kernel 6.8.0-48-generic

clinuxlinux-kernelebpflibbpf

Score: 0

Answers: 1

Orian

Reputation: 59

Attaching netfilter program with bpftool

linuxebpfbpfnetfilter

Score: 1

Answers: 1

Orian

Reputation: 59

Setting up BPF Netfilter hooks environment/dependencies

linuxebpfbpfnetfilter

Score: 2

Answers: 1

user2233706

Reputation: 7225

BPF verification error when trying to extract SNI from TLS packet

clinux-kernelebpfxdp-bpf

Score: 4

Answers: 2

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StackOverflow Questions for Tag: ebpf

Horrible eBPF performance of TC program on Rust + Aya when reading from HashMap

Getting -EACCES when callig kfunc from ebpf code

BPF program attached to `getname` won&#39;t get called when calling the `renameat2` syscall

eBPF `bpf_core_read` returns incorrect value

Ebpf accessing filename from fd

eBPF TCP checksum too big

What is not allowed in restricted C for eBPF?

eBPF: Pass metadata along with a socket redirection?

why `bpf_sk_redirect_map` cannot redirect udp skb

full path for open / openat relative filenames

eBPF reserve ring buffer in kprobe and submit in kretprobe

eBPF - Polling/waiting for userspace in XDP

Compatibility of bpf_get_ns_current_pid_tgid helper function across different eBPF program types

Trying to modify a kernel variable by eBPF, is it possible?

Trace the ip_recv() function using BPF, but only packets from the lo interface can be captured

Why can&#39;t I get the parent process&#39; task_struct pointer in libbpf program?

eBPF program fails with &quot;libbpf: failed to find valid kernel BTF&quot; after upgrading to kernel 6.8.0-48-generic

Attaching netfilter program with bpftool

Setting up BPF Netfilter hooks environment/dependencies

BPF verification error when trying to extract SNI from TLS packet

BPF program attached to `getname` won't get called when calling the `renameat2` syscall

Why can't I get the parent process' task_struct pointer in libbpf program?

eBPF program fails with "libbpf: failed to find valid kernel BTF" after upgrading to kernel 6.8.0-48-generic