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| -rw-r--r-- | Objects/obmalloc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c index 5ac5c35..500afba 100644 --- a/Objects/obmalloc.c +++ b/Objects/obmalloc.c @@ -403,6 +403,10 @@ new_arena(void) * only make a supposed-to-succeed case fail by mistake). * Read the above 50 times before changing anything in this * block. + * XXX Fudge. This is still vulnerable: there's nothing + * XXX to stop the bad-guy thread from picking up the + * XXX current value of arenas, but not indexing off of it + * XXX until after the PyMem_FREE(oldarenas) below completes. */ uptr *oldarenas; int newmax = maxarenas + (maxarenas >> 1); |