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proc: downgrade loadBuildID errors to warnings (#2893)

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Most binaries do not have build-ids and it's fine, there's no reason to
report it as an error.
This commit is contained in:
Alessandro Arzilli 2022-02-08 19:54:05 +01:00 committed by GitHub
parent 1f0b39eab5
commit a646d06544
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 5 deletions
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10
pkg/proc/bininfo.go
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@ -1357,31 +1357,31 @@ func (bi *BinaryInfo) loadSymbolName(image *Image, file *elf.File, wg *sync.Wait
func (bi *BinaryInfo) loadBuildID(image *Image, file *elf.File) {
buildid := file.Section(".note.gnu.build-id")
if buildid == nil {
bi.logger.Error("can't find build-id note on binary")
bi.logger.Warn("can't find build-id note on binary")
return
}
br := buildid.Open()
bh := new(buildIDHeader)
if err := binary.Read(br, binary.LittleEndian, bh); err != nil {
bi.logger.Errorf("can't read build-id header: %v", err)
bi.logger.Warnf("can't read build-id header: %v", err)
return
}
name := make([]byte, bh.Namesz)
if err := binary.Read(br, binary.LittleEndian, name); err != nil {
bi.logger.Errorf("can't read build-id name: %v", err)
bi.logger.Warnf("can't read build-id name: %v", err)
return
}
if strings.TrimSpace(string(name)) != "GNU\x00" {
bi.logger.Error("invalid build-id signature")
bi.logger.Warn("invalid build-id signature")
return
}
descBinary := make([]byte, bh.Descsz)
if err := binary.Read(br, binary.LittleEndian, descBinary); err != nil {
bi.logger.Errorf("can't read build-id desc: %v", err)
bi.logger.Warnf("can't read build-id desc: %v", err)
return
}
bi.BuildID = hex.EncodeToString(descBinary)