Public bug reported:
regcomp fails to compile the regular expression "^ " with memory error
if malloc(0) returns NULL. That's valid malloc behavior, compare
malloc(3).
I had a little trouble debugging, but I believe the problem lies with
posix/regex_internal.c:re_node_set_alloc being called with size == 0.
I'm attaching a test program that should exhibit the bug.
ETA: I've tested this with libc6_2.15-0ubuntu10_amd64 under VMWare.
** Affects: eglibc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/998256
Title:
regcomp fails with custom malloc
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