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src/python: fix filtering by containers when kfunc are supported #7

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Sep 8, 2021
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src/python: fix filtering by containers when kfunc are supported #7

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16 changes: 15 additions & 1 deletion src/python/bcc/containers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,8 +42,22 @@

static inline u64 get_mntns_id() {
struct task_struct *current_task;
struct nsproxy *nsproxy;
struct mnt_namespace *mnt_ns;
unsigned int inum;

current_task = (struct task_struct *)bpf_get_current_task();
return current_task->nsproxy->mnt_ns->ns.inum;

if (bpf_probe_read_kernel(&nsproxy, sizeof(nsproxy), &current_task->nsproxy))
return 0;

if (bpf_probe_read_kernel(&mnt_ns, sizeof(mnt_ns), &nsproxy->mnt_ns))
return 0;

if (bpf_probe_read_kernel(&inum, sizeof(inum), &mnt_ns->ns.inum))
return 0;

return (u64) inum;
}
#endif // __GET_MTN_NS_ID
"""
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