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[perl #133335] #3 AddressSanitizer: heap-buffer-overflow on address0x619000004fa0 at pc 0x000000ef95ec bp 0x7ffd45c68050 sp 0x7ffd45c68048 READof size 8

From:
Tony Cook via RT
Date:
February 11, 2019 00:22
Subject:
[perl #133335] #3 AddressSanitizer: heap-buffer-overflow on address0x619000004fa0 at pc 0x000000ef95ec bp 0x7ffd45c68050 sp 0x7ffd45c68048 READof size 8
Message ID:
rt-4.0.24-32005-1549844517-1630.133335-15-0@perl.org
On Thu, 02 Aug 2018 22:19:21 -0700, tonyc wrote:
> On Fri, 13 Jul 2018 04:19:23 -0700, hv wrote:
> > I suspect this is the same issue as rt133334, but we should check
> > again after we get a fix for that.
> 
> It looks the same here:
> 
> ...
> stash
> SV = PVHV(0x557dea5db860) at 0x557dea5fb578
>   REFCNT = 1
>   FLAGS = (SHAREKEYS)
>   ARRAY = 0x557dea620200  (0:88, 1:34, 2:5, 3:1)
>   hash quality = 128.2%
>   KEYS = 47
>   FILL = 40
>   MAX = 127
> oldstash
> SV = PVHV(0x557dea5db860) at 0x557dea5fb578
>   REFCNT = 1
>   FLAGS = (SHAREKEYS)
>   ARRAY = 0x557dea620200  (0:88, 1:34, 2:5, 3:1)
>   hash quality = 128.2%
>   KEYS = 47
>   FILL = 40
>   MAX = 127
> miniperl: mro_core.c:934: S_mro_gather_and_rename: Assertion
> `SvOOK(oldstash)' failed.
> Aborted

Since this seems like the same issue as #13334, it's also now public.

Not quite confident enough to merge them though.

Tony

---
via perlbug:  queue: perl5 status: open
https://rt.perl.org/Ticket/Display.html?id=133335



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