GitHub pull request #3247 of commit 3d0fea06179b5247f47d01093b3b44600ed0f0b0, no merge conflicts.sha1origin/pr/3247/mergeghprbActualCommit3d0fea06179b5247f47d01093b3b44600ed0f0b0ghprbActualCommitAuthorYonghong SongghprbActualCommitAuthorEmailyhs@fb.comghprbAuthorRepoGitUrlhttps://github.com/iovisor/bcc.gitghprbTriggerAuthorghprbTriggerAuthorEmailghprbTriggerAuthorLoginghprbTriggerAuthorLoginMentionghprbPullId3247ghprbTargetBranchmasterghprbSourceBranchyhs_devGIT_BRANCHyhs_devghprbPullAuthorEmailghprbPullAuthorLoginyonghong-songghprbPullAuthorLoginMention@yonghong-songghprbPullDescriptionGitHub pull request #3247 of commit 3d0fea06179b5247f47d01093b3b44600ed0f0b0, no merge conflicts.ghprbPullTitleadd support kfunc/modify_return bpf programsghprbPullLinkhttps://github.com/iovisor/bcc/pull/3247ghprbPullLongDescriptionAdd support for tracing program with BPF_MODIFY_RETURN\r\nattachment type. This is used for security oriented bpf\r\nprograms which can modify return values for certain\r\nkernel functions:\r\n - whitelisted for error injection by checking\r\n within_error_injection_list including all syscalls.\r\n - lsm security function (prefix \"security_\").\r\n\r\nAlso extended load_func() API to allow specify bpf program\r\nis sleepable and this will permits to use some sleepable\r\nhelpers like bpf_copy_from_user() and d_path().ghprbCommentBodynullghprbGhRepositoryiovisor/bccghprbCredentialsId6d3daf13-69b8-48b1-9c8f-ec5353264113false<a title="add support kfunc/modify_return bpf programs" href="https://github.com/iovisor/bcc/pull/3247">PR #3247</a>: add support kfunc/modify_re...#81811364607460664bcc-pr #818818false8186553SUCCESS1611772455658https://buildbot.iovisor.org/jenkins/job/bcc-pr/818/git818https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc25/818/818https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc26/818/818https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc27/818/818https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc28/818/818https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=ubuntu1604/818/818https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=ubuntu1710/818/818https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=ubuntu1804/818/