{ "_class" : "hudson.matrix.MatrixBuild", "actions" : [ { "_class" : "hudson.model.CauseAction", "causes" : [ { "_class" : "org.jenkinsci.plugins.ghprb.GhprbCause", "shortDescription" : "GitHub pull request #3669 of commit 2133464fe9b92be51ec80e4db7fb23ff9e77c40e, no merge conflicts." } ] }, { "_class" : "org.jenkinsci.plugins.ghprb.GhprbParametersAction", "parameters" : [ { "_class" : "hudson.model.StringParameterValue", "name" : "sha1", "value" : "origin/pr/3669/merge" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbActualCommit", "value" : "2133464fe9b92be51ec80e4db7fb23ff9e77c40e" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbActualCommitAuthor", "value" : "" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbActualCommitAuthorEmail", "value" : "" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbAuthorRepoGitUrl", "value" : "https://github.com/alan-maguire/bcc.git" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbTriggerAuthor", "value" : "" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbTriggerAuthorEmail", "value" : "" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbTriggerAuthorLogin", "value" : "yonghong-song" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbTriggerAuthorLoginMention", "value" : "@yonghong-song" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbPullId", "value" : "3669" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbTargetBranch", "value" : "master" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbSourceBranch", "value" : "ksnoop-fix" }, { "_class" : "hudson.model.StringParameterValue", "name" : "GIT_BRANCH", "value" : "ksnoop-fix" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbPullAuthorEmail", "value" : "" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbPullAuthorLogin", "value" : "alan-maguire" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbPullAuthorLoginMention", "value" : "@alan-maguire" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbPullDescription", "value" : "GitHub pull request #3669 of commit 2133464fe9b92be51ec80e4db7fb23ff9e77c40e, no merge conflicts." }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbPullTitle", "value" : "ksnoop: fix verification failures on 5.15 kernel" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbPullLink", "value" : "https://github.com/iovisor/bcc/pull/3669" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbPullLongDescription", "value" : "hengqi.chen@gmail.com reported:\\r\\n\\r\\nI have two VMs:\\r\\n\\r\\nOne has the kernel built against the following commit:\\r\\n\\r\\n0693b27644f04852e46f7f034e3143992b658869 (bpf-next)\\r\\n\\r\\nThe ksnoop tool (from BCC repo) works well on this VM.\\r\\n\\r\\nAnother has the kernel built against the following commit:\\r\\n\\r\\n5319255b8df9271474bc9027cabf82253934f28d (bpf-next)\\r\\n\\r\\nOn this VM, the ksnoop tool failed with the following message:\\r\\n\\r\\n[snip]\\r\\n\\r\\n; last_ip = func_stack->ips[last_stack_depth];\\r\\n\\r\\n141: (67) r6 <<= 3\\r\\n\\r\\n142: (0f) r3 += r6\\r\\n\\r\\n; ip = func_stack->ips[stack_depth];\\r\\n\\r\\n143: (79) r2 = *(u64 *)(r4 +0)\\r\\n\\r\\n frame1: R0=map_value(id=0,off=0,ks=8,vs=144,imm=0) R1_w=invP(id=4,smin_value=-1,smax_value=14) R2_w=invP(id=0,umax_value=2040,var_off=(0x0; 0x7f8)) R3_w=map_value(id=0,off=8,ks=8,vs=144,umax_value=120,var_off=(0x0; 0x78)) R4_w=map_value(id=0,off=8,ks=8,vs=144,umax_value=2040,var_off=(0x0; 0x7f8)) R6_w=invP(id=0,umax_value=120,var_off=(0x0; 0x78)) R7=map_value(id=0,off=0,ks=8,vs=144,imm=0) R9=ctx(id=0,off=0,imm=0) R10=fp0 fp-16=mmmmmmmm fp-24=mmmmmmmm fp-32=mmmmmmmm fp-40=mmmmmmmm fp-48=mmmmmmmm fp-56=mmmmmmmm fp-64=mmmmmmmm fp-72=mmmmmmmm fp-80=mmmmmmmm fp-88=mmmmmmmm fp-96=mmmmmmmm fp-104=mmmmmmmm fp-112=mmmmmmmm fp-120=mmmmmmmm fp-128=mmmmmmmm fp-136=mmmmmmmm fp-144=mmmmmmmm fp-152=mmmmmmmm fp-160=mmmmmmmm fp-168=00000000\\r\\n\\r\\ninvalid access to map value, value_size=144 off=2048 size=8\\r\\n\\r\\nR4 max value is outside of the allowed memory range\\r\\n\\r\\nprocessed 65 insns (limit 1000000) max_states_per_insn 0 total_states 3 peak_states 3 mark_read 2\\r\\n\\r\\nlibbpf: -- END LOG --\\r\\n\\r\\nlibbpf: failed to load program 'kprobe_return'\\r\\n\\r\\nlibbpf: failed to load object 'ksnoop_bpf'\\r\\n\\r\\nlibbpf: failed to load BPF skeleton 'ksnoop_bpf': -4007\\r\\n\\r\\nError: Could not load ksnoop BPF: Unknown error 4007\\r\\n\\r\\nThe above invalid map access appears to stem from the fact the\\r\\n\\\"stack_depth\\\" variable (used to retrieve the instruction pointer\\r\\nfrom the recorded call stack) is decremented. The off=2048\\r\\nvalue is a clue; this suggests an index resulting from an underflow\\r\\nof the __u8 index value. Adding a bitmask to the decrement operation\\r\\nsolves the problem. It appears that the guards on stack_depth size\\r\\naround the array dereference were optimized out.\\r\\n\\r\\nReported-by: Hengqi Chen \\r\\nSigned-off-by: Alan Maguire " }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbCommentBody", "value" : "[buildbot, test this please]" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbGhRepository", "value" : "iovisor/bcc" }, { "_class" : "hudson.model.StringParameterValue", "name" : "ghprbCredentialsId", "value" : "6d3daf13-69b8-48b1-9c8f-ec5353264113" } ] }, { }, { }, { "_class" : "org.jenkinsci.plugins.displayurlapi.actions.RunDisplayAction" } ], "artifacts" : [ ], "building" : False, "description" : "PR #3669: ksnoop: fix verification fa...", "displayName" : "#1192", "duration" : 1334274, "estimatedDuration" : 7460664, "executor" : None, "fullDisplayName" : "bcc-pr #1192", "id" : "1192", "keepLog" : False, "number" : 1192, "queueId" : 9545, "result" : "SUCCESS", "timestamp" : 1634653890530, "url" : "https://buildbot.iovisor.org/jenkins/job/bcc-pr/1192/", "builtOn" : "", "changeSet" : { "_class" : "hudson.plugins.git.GitChangeSetList", "items" : [ ], "kind" : "git" }, "culprits" : [ ], "runs" : [ { "number" : 1192, "url" : "https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc25/1192/" }, { "number" : 1192, "url" : "https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc26/1192/" }, { "number" : 1192, "url" : "https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc27/1192/" }, { "number" : 1192, "url" : "https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=fc28/1192/" }, { "number" : 1192, "url" : "https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=ubuntu1604/1192/" }, { "number" : 1192, "url" : "https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=ubuntu1710/1192/" }, { "number" : 1192, "url" : "https://buildbot.iovisor.org/jenkins/job/bcc-pr/label=ubuntu1804/1192/" } ] }