pkg/symbolizer: fix parser handling of small hex values

jodaco · a-nogikh · commit 523f460ebff9 · 2025-08-18T20:47:46.000Z
The parser in symbolizer was incorrectly handling values of 0x0-0xf. Fixes #6290
diff --git a/pkg/symbolizer/addr2line.go b/pkg/symbolizer/addr2line.go
@@ -138,7 +138,7 @@ func parse(interner *Interner, s *bufio.Scanner) ([]Frame, error) {
 	var frames []Frame
 	for s.Scan() {
 		ln := s.Text()
-		if len(ln) > 3 && ln[0] == '0' && ln[1] == 'x' {
+		if len(ln) >= 3 && ln[0] == '0' && ln[1] == 'x' {
 			break
 		}
 		fn := ln

Original file line number	Diff line number	Diff line change
`@@ -138,7 +138,7 @@ func parse(interner Interner, s bufio.Scanner) ([]Frame, error) {`
`138`	`138`	`var frames []Frame`
`139`	`139`	`for s.Scan() {`
`140`	`140`	`ln := s.Text()`
`141`		`- if len(ln) > 3 && ln[0] == '0' && ln[1] == 'x' {`
	`141`	`+ if len(ln) >= 3 && ln[0] == '0' && ln[1] == 'x' {`
`142`	`142`	`break`
`143`	`143`	`}`
`144`	`144`	`fn := ln`