
Start.
---Thread-Announcement------------------------------------------

Thread #x was created
   ...
   by 0x........: pthread_create@* (hg_intercepts.c:...)
   by 0x........: main (free_is_write.c:32)

---Thread-Announcement------------------------------------------

Thread #x is the program's root thread

----------------------------------------------------------------

Possible data race during write of size 1 at 0x........ by thread #x
Locks held: none
   at 0x........: free (vg_replace_malloc.c:...)
   by 0x........: thread_func (free_is_write.c:15)
   by 0x........: mythread_wrapper (hg_intercepts.c:...)
   ...

This conflicts with a previous read of size 1 by thread #x
Locks held: none
   at 0x........: main (free_is_write.c:36)
 Address 0x........ is 5 bytes inside an unallocated block of size 16 in arena "client"

Done.

ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)