diff options
Diffstat (limited to 'internal/generate/classify_test.go')
| -rw-r--r-- | internal/generate/classify_test.go | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/internal/generate/classify_test.go b/internal/generate/classify_test.go index 3053615..3be393d 100644 --- a/internal/generate/classify_test.go +++ b/internal/generate/classify_test.go @@ -843,6 +843,25 @@ func TestClassifyExitSocketpair(t *testing.T) { } } +// TestClassifySocketpairNotFd is a regression lock-in for the socketpair(2) +// audit (task c00). socketpair(int domain, int type, int protocol, int sv[2]) +// takes the address-family/domain constant as args[0] (named "family" in the +// tracepoint format), NOT a file descriptor. The created fds are written into +// the OUTPUT array sv[2] (args[3]) and are only valid after the call returns. +// socketpair must therefore be KindSocketpair (read sv[2] at exit), never +// KindFd, which would record the domain integer as a bogus fd. Pin that the +// name-based override wins so a future field-shape change cannot make it fall +// through to the generic KindFd path. +func TestClassifySocketpairNotFd(t *testing.T) { + r := classifyFromData(t, FormatSocketpair) + if r.Kind == KindFd { + t.Fatal("socketpair classified as KindFd: args[0] is the domain constant, not an fd") + } + if r.Kind != KindSocketpair { + t.Errorf("socketpair: got kind %d, want KindSocketpair", r.Kind) + } +} + func TestClassifyPipe(t *testing.T) { r := classifyFromData(t, FormatPipe) if r.Kind != KindPipe { |