[PATCH] D82886: [DebugInfo] Fix a possible crash when reading a malformed .debug_*lists section.

Wed Jul 8 08:42:00 PDT 2020

ikudrin added a comment.

In D82886#2137907 <https://reviews.llvm.org/D82886#2137907>, @dblaikie wrote:

> Ah, thanks! Would be handy to have a test case for that & perhaps some other way to communicate "end of list" that's a bit more explicit?

For my understanding, that is not yet broken, so does not need to be fixed.

> Hmm, I'm not sure why this produce the repetition - if length() accurately returned the length that was read rather than zero, then it'd go to the end and stop, right?

`0xffffffff` is a DWARF64 mark, so than it is read, the library expects to read the next 8 bytes.

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