From: "Jan Djärv" <jan.h.d@swipnet.se>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: 15570@debbugs.gnu.org, Carsten Bormann <cabo@tzi.org>
Subject: bug#15570: 24.3.50; Null pointer crash in (ns-convert-utf8-nfd-to-nfc "\377")
Date: Wed, 9 Oct 2013 19:06:40 +0200 [thread overview]
Message-ID: <200F4746-285D-45E3-97FB-9E9AECB204C7@swipnet.se> (raw)
In-Reply-To: <87d2nextyo.fsf@igel.home>
Hello.
9 okt 2013 kl. 18:57 skrev Andreas Schwab <schwab@linux-m68k.org>:
> Jan Djärv <jan.h.d@swipnet.se> writes:
>
>> 9 okt 2013 kl. 13:37 skrev Carsten Bormann <cabo@tzi.org>:
>>
>>> (ns-convert-utf8-nfd-to-nfc "\377")
>>>
>>> crashes in strlen (called from build_string),
>>> as it is run on a null-pointer (apparently returned from [utfStr UTF8String]).
>>>
>>> Program received signal EXC_BAD_ACCESS, Could not access memory.
>>> Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000000
>>
>> Eh, don't do that?
>
> Lisp-level functions should always validate their arguments.
So it should throw an error? I'm ok with that, but I suspect it doesn't help tramp.
Jan D.
next prev parent reply other threads:[~2013-10-09 17:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-09 11:37 bug#15570: 24.3.50; Null pointer crash in (ns-convert-utf8-nfd-to-nfc "\377") Carsten Bormann
2013-10-09 16:31 ` Jan Djärv
2013-10-09 16:57 ` Andreas Schwab
2013-10-09 17:06 ` Jan Djärv [this message]
2013-10-09 18:20 ` Stefan Monnier
2013-10-09 18:33 ` Carsten Bormann
2013-10-09 18:50 ` Jan Djärv
2013-10-09 21:03 ` Carsten Bormann
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