[PATCH] D14656: [sanitizer] Stop unwinding the stack when a close-to-zero PC is found

[Alexander Potapenko via llvm-commits]

glider added a comment.

In http://reviews.llvm.org/D14656#289133, @samsonov wrote:

> This doesn't look like a good change. Why is this fixed only in fast, but not in slow unwinder? Are you sure we should consider any address 0x1000 as bad, not only 0x0?


It should be safe to assume that the first kPageSize bytes of the address space (not necessarily 0x1000) do not contain any code.


http://reviews.llvm.org/D14656