src/patches/glibc/glibc-rh607461.patch

   1 Index: glibc-2.12-2-gc4ccff1/nptl/allocatestack.c
   2 ===================================================================
   3 --- glibc-2.12-2-gc4ccff1.orig/nptl/allocatestack.c
   4 +++ glibc-2.12-2-gc4ccff1/nptl/allocatestack.c
   5 @@ -994,7 +994,16 @@ setxid_mark_thread (struct xid_command *
   6
   7        /* If the thread is exiting right now, ignore it.  */
   8        if ((ch & EXITING_BITMASK) != 0)
   9 -       return;
  10 +       {
  11 +         /* Release the futex if there is no other setxid in
  12 +            progress.  */
  13 +         if ((ch & SETXID_BITMASK) == 0)
  14 +           {
  15 +             t->setxid_futex = 1;
  16 +             lll_futex_wake (&t->setxid_futex, 1, LLL_PRIVATE);
  17 +           }
  18 +         return;
  19 +       }
  20      }
  21    while (atomic_compare_and_exchange_bool_acq (&t->cancelhandling,
  22                                                ch | SETXID_BITMASK, ch));