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20
30
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R2 max value is outside of the allowed memory range after explicit bounds checking

Published on
#c #clang #ebpf #bpf #libbpf
35
Views

invalid access to map value, value_size=128 off=0 size=0; libbpf: prog 'xdp_parser_func': failed to load: -13

Published on
#ebpf #bpf #xdp-bpf #libbpf
21
Views

unknown type name ‘GElf_Nhdr’; did you mean ‘GElf_Shdr’?

Published on
#ebpf #bpf #xdp-bpf #libbpf
31
Views

BPF per CPU array is not zero initialized?

Published on
#kernel #ebpf #bpf #libbpf
94
Views

Pid filter is working for uprobes but not uretprobes

Published on
#kernel #ebpf #libbpf #uprobe
114
Views

How to read arbitrary len bytes using helper bpf_skb_load_bytes()?

Published on
#c #operating-system #ebpf #bpf #libbpf
51
Views

ebpf: what causes BPF_LINK_CREATE return EINVAL

Published on
#linux #ebpf #bpf #libbpf
42
Views

xdp embedd static ruleset during compile-time

Published on
#clang #ebpf #xdp-bpf #libbpf
38
Views

What does "[.s]" mean as in "probe[.s]" type of BPF progs?

Published on
#kernel #ebpf #libbpf
63
Views

BPF setsockopt with ICMP6

Published on
#ebpf #bpf #setsockopt #libbpf #icmpv6
22
Views

Consuming Ring buffer data in batches or pages in user space

Published on
#libbpf
73
Views

i need Step-by-Step Implementation for Simple CPUMAP Program in c

Published on
#ebpf #bpf #xdp-bpf #libbpf #xdp-pdf
210
Views

bpf_probe_read_user() is throwing `permission denied: invalid access to map value` in an ebpf program

Published on
#c #ebpf #bpf #libbpf
159
Views

eBPF uprobe Go function argument wrong output

Published on
#linux-kernel #ebpf #bpf #libbpf #cilium
101
Views

Purpose of a custom hook for a TC hook in libbpf-rs and Linux's traffic control subsystem

Published on
#linux #libbpf
137
Views

libbpf: failed to guess program from ELF section 'filter'

Published on
#ebpf #libbpf
98
Views

maximum number of uprobe /kprobe that can be attached using libbpf

Published on
#kprobe #libbpf #uprobe
212
Views

How to access user space function argument (struct pointer) in bpf?

Published on
#c #linux-kernel #ebpf #bpf #libbpf
178
Views

Tracing with eBPF tracepoint "netif_receive_skb" for multiple NICs

Published on
#ebpf #libbpf #tracepoint
328
Views

Extracting UDP packet payload with eBPF tracepoints using libbpf

Published on
#ebpf #xdp-bpf #libbpf #tracepoint

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