[PATCH 3/3] getcwd: Set errno to ERANGE for size == 1 (CVE-2021-3999)

[Siddhesh Poyarekar]

On 18/01/2022 19:15, Siddhesh Poyarekar via Libc-alpha wrote:
> well as buf[11] get overwritten.  Not only that, neither getcwd returns 
> a non-NULL value nor is errno ERANGE; I split out the TEST_VERIFY to 

correction: neither getcwd returns NULL nor is errno ERANGE.