Document ELF PT_LOAD difference from Linux

PiperOrigin-RevId: 284191345
2019-12-06 08:35:18 -08:00 · 2019-12-06 08:35:18 -08:00 · f8bb3f7904
parent 40035d7d9c
commit f8bb3f7904
1 changed files with 2 additions and 0 deletions
--- a/pkg/sentry/loader/elf.go
+++ b/pkg/sentry/loader/elf.go
@ -408,6 +408,8 @@ func loadParsedELF(ctx context.Context, m *mm.MemoryManager, f *fs.File, info el
 				start = vaddr
 			}
 			if vaddr < end {
+				// NOTE(b/37474556): Linux allows out-of-order
+				// segments, in violation of the spec.
 				ctx.Infof("PT_LOAD headers out-of-order. %#x < %#x", vaddr, end)
 				return loadedELF{}, syserror.ENOEXEC
 			}