[debbugs-tracker] bug#30738: closed (Invalid timezone (tzalloc failure) treated as out-of-memory)

[GNU bug Tracking System]

Your message dated Sun, 11 Mar 2018 00:33:03 -0800
with message-id <address@hidden>
and subject line Re: Invalid timezone (tzalloc failure) treated as out-of-memory
has caused the debbugs.gnu.org bug report #30738,
regarding Invalid timezone (tzalloc failure) treated as out-of-memory
to be marked as done.

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30738: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=30738
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> --- Begin Message ---
>
>
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> Subject: 
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> Invalid timezone (tzalloc failure) treated as out-of-memory
>
>
>
>
> Date: 
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> Wed, 7 Mar 2018 01:53:46 +0300
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>
>
>
> User-agent: 
>
> Mutt/1.9.2 (2017-12-15)
>
>
>
>
> Emacs 25 treats tzalloc(3) failure as out-of-memory condition.
> E.g. when an invalid timezone is specified, it fails to start with:
>
> $ TZ=FOOBAR emacs -nw
> emacs: Memory exhausted--use M-x save-some-buffers then exit and restart Emacs
>
>
> The code in tzlookup() also assumes that tzalloc(3) understands the
> direct zone specification in the name/offset format.  I haven't
> checked tzcode history, but this support is only a few years old
> (around 2014, I'd estimate).  E.g. NetBSD-6 has older tzcode(3) that
> doesn't support this feature.  This leads to a lot of "Memory
> exhausted" errors when trying to use e.g. vc.el
>
>   "encode-time" (0xffffa2d4)
>   "apply" (0xffffa3fc)
>   "vc-cvs-parse-entry" (0xffffa718)
>   "vc-cvs-registered" (0xffffa9b0)
>   "progn" (0xffffab44)
>   "if" (0xffffac24)
>   "vc-cvs-registered" (0xffffae7c)
>   "apply" (0xffffae78)
>   "vc-call-backend" (0xffffb188)
>   0x1c65360 PVEC_COMPILED
>   "mapc" (0xffffb5c8)
>   "vc-registered" (0xffffb8d8)
>   "vc-backend" (0xffffbbe8)
>   "vc-refresh-state" (0xffffbfa0)
>   "run-hooks" (0xffffc08c)
>   "after-find-file" (0xffffc3b4)
>   ...
>
> -uwe
>
>
>
> --- End Message ---

--- Begin Message --- Subject: Re: Invalid timezone (tzalloc failure) treated as out-of-memory Date: Sun, 11 Mar 2018 00:33:03 -0800 User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

[resending, I hope to the right place this time]

Thanks for reporting the problem. I have installed the attached two patches,
which I think should fix the problem so I'm closing the bug report. Please give
them a try on NetBSD (as I typically don't use NetBSD).

0001-Fix-minor-timezone-memory-leak.patch
Description: Text Data

0001-Port-to-NetBSD-tzalloc.patch
Description: Text Data

--- End Message ---