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| author | Paul Chaignon <paul.chaignon@gmail.com> | 2023-10-12 17:16:46 +0200 |
|---|---|---|
| committer | Aleksandr Nogikh <nogikh@google.com> | 2023-10-12 16:40:32 +0000 |
| commit | 6388bc36373b7e4e4dbac9101b34007e839a74bd (patch) | |
| tree | c39f9b46ceac7f13937376d10f29cafbdcf13372 /prog | |
| parent | fc170927228ea774aeb61449ce88220bd3ce0156 (diff) | |
prog: more informative errors on parsing failures
This simply prints more information when failing to parse unions and
structs in syzkaller programs. This is particularly useful when a
syscall has multiple structs or unions (ex. for bpf$PROG_LOAD).
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Diffstat (limited to 'prog')
| -rw-r--r-- | prog/encoding.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/prog/encoding.go b/prog/encoding.go index 5a2c564e7..2216955d8 100644 --- a/prog/encoding.go +++ b/prog/encoding.go @@ -660,7 +660,7 @@ func (p *parser) parseArgStruct(typ Type, dir Dir) (Arg, error) { p.Parse('{') t1, ok := typ.(*StructType) if !ok { - p.eatExcessive(false, "wrong struct arg") + p.eatExcessive(false, "wrong struct arg for %q", typ.Name()) p.Parse('}') return typ.DefaultArg(dir), nil } @@ -728,7 +728,7 @@ func (p *parser) parseArgArray(typ Type, dir Dir) (Arg, error) { func (p *parser) parseArgUnion(typ Type, dir Dir) (Arg, error) { t1, ok := typ.(*UnionType) if !ok { - p.eatExcessive(true, "wrong union arg") + p.eatExcessive(true, "wrong union arg for %q", typ.Name()) return typ.DefaultArg(dir), nil } p.Parse('@') |