TechQA.

Question

Detect and capture openconnect traffic using eBPF/XDP

score 29 · Answer 1 · 2024-03-30T21:07:31.620000

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Detect and capture openconnect traffic using eBPF/XDP

29 views Asked by NobinPegasus At 30 March 2024 at 21:07

score 30 · Answer 2 · 2024-03-28T08:44:10.293000

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

30 views Asked by Akash Cherukuri At 28 March 2024 at 08:44

score 35 · Answer 3 · 2024-03-28T06:26:06.680000

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

35 views Asked by NobinPegasus At 28 March 2024 at 06:26

score 21 · Answer 4 · 2024-03-12T02:55:04.227000

BCC tool execute failed on Android by debianfs

21 views Asked by yklin-vv At 12 March 2024 at 02:55

score 21 · Answer 5 · 2024-03-11T13:25:09.450000

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

21 views Asked by NobinPegasus At 11 March 2024 at 13:25

score 31 · Answer 6 · 2024-03-07T23:27:55.837000

BPF per CPU array is not zero initialized?

31 views Asked by diviquery At 07 March 2024 at 23:27

score 114 · Answer 7 · 2024-02-22T13:49:18.803000

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

114 views Asked by someone At 22 February 2024 at 13:49

score 51 · Answer 8 · 2024-02-21T08:16:23.583000

ebpf: what causes BPF_LINK_CREATE return EINVAL

51 views Asked by soulxgt At 21 February 2024 at 08:16

score 46 · Answer 9 · 2024-02-07T17:34:10.137000

Poll on BPF device descriptor

46 views Asked by Daniel Walker At 07 February 2024 at 17:34

score 182 · Answer 10 · 2024-01-29T16:53:55.987000

bpf_override_return not working with uretprobes

182 views Asked by Gourav Kumar At 29 January 2024 at 16:53

score 63 · Answer 11 · 2024-01-12T12:41:32.830000

BPF setsockopt with ICMP6

63 views Asked by dbeken85 At 12 January 2024 at 12:41

score 73 · Answer 12 · 2024-01-08T12:01:02.467000

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

73 views Asked by Shiva Surya.S At 08 January 2024 at 12:01

score 108 · Answer 13 · 2024-01-05T03:31:03.423000

ebpf: "value is outside of the allowed memory range" when reading data into array with offset

108 views Asked by Z3ratu1 At 05 January 2024 at 03:31

score 210 · Answer 14 · 2023-12-25T11:04:24.260000

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

210 views Asked by Govind Tomar At 25 December 2023 at 11:04

score 46 · Answer 15 · 2023-12-20T13:00:43.280000

Path printed twice, separated by numerous empty linesusing bpf_d_path(&file->f_path , d_path_buf , MAX_STR);

46 views Asked by devendra dhakad At 20 December 2023 at 13:00

score 159 · Answer 16 · 2023-12-18T15:04:15.870000

eBPF uprobe Go function argument wrong output

159 views Asked by Emre Savcı At 18 December 2023 at 15:04

score 170 · Answer 17 · 2023-12-11T15:46:07.073000

Sharing bpf map between two independent programs

170 views Asked by Krzysztof Michalak At 11 December 2023 at 15:46

score 268 · Answer 18 · 2023-11-10T18:53:37.843000

ebpf verifier - failed to find kernel BTF type ID

268 views Asked by asr9 At 10 November 2023 at 18:53

score 236 · Answer 19 · 2023-11-08T10:14:09.207000

How to unload bpd program using bpftool?

236 views Asked by tomwassing At 08 November 2023 at 10:14

score 212 · Answer 20 · 2023-11-07T07:02:31.773000

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

212 views Asked by Doodu At 07 November 2023 at 07:02

TechQA.

List Question

Detect and capture openconnect traffic using eBPF/XDP

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

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

BCC tool execute failed on Android by debianfs

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

BPF per CPU array is not zero initialized?

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

ebpf: what causes BPF_LINK_CREATE return EINVAL

Poll on BPF device descriptor

bpf_override_return not working with uretprobes

BPF setsockopt with ICMP6

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

ebpf: "value is outside of the allowed memory range" when reading data into array with offset

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

Path printed twice, separated by numerous empty linesusing bpf_d_path(&file->f_path , d_path_buf , MAX_STR);

eBPF uprobe Go function argument wrong output

Sharing bpf map between two independent programs

ebpf verifier - failed to find kernel BTF type ID

How to unload bpd program using bpftool?

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

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