How to crash IMP (was Re: [imp] redirect.php error & login failure- data dependent?)

[Steve Lidie]

On Friday, Sep 6, 2002, at 15:15 US/Eastern, Jeremy Freeman wrote:

> I seem to be maybe having a similar problem. I have one user who  
> cannot view her INBOX. Whenever she attempts to view it the Apache  
> child segfaults. She can view any other box however.

Then do a binary search deleting mail until you find the offending  
message (;  Better, look at the headers for control characters such as  
newlines (and, here a control-p), or mis-placed semi-colons, etc. In my  
case, it was the To field ..
>
> --
> Jeremy Freeman
>
> Steve Lidie wrote:
>> On Thursday, Sep 5, 2002, at 14:52 US/Eastern, Steve Lidie wrote:
>>> With a few thousand users, I have 10-20 that cannot login to IMP,  
>>> they get an error mentioning that accessing redirect.php failed.   
>>> I've seen similar reports in the archives from 2001 using PHP 4.0.6,  
>>> but no resolution.  I'm using 4.2.0.
>>>
>>> I found that using Netscape I am able to read 4 of 4 pages of the  
>>> user's mail.  Amazingly, when I tried IMP afterwards I was able to  
>>> login, but could only see 3 of 4 pages of inbox mail.  Trying to  
>>> goto page 2 always gives:
>>>
>>>    The attempt to load 'Accessing URL:  
>>> https://hostname/horde/imp/mailbox.php?page=2' failed.
>>>
>>> This, essentially, is the same error message I had previously seen  
>>> when login would fail.  The archives mentioned imap_sort() getting a  
>>> segfault... could this still be the problem? Regardless, is this a  
>>> known problem?
>>>
>> What, no takers?
>> Well, yes, the problem is data dependent.  Find attached a message  
>> that, if it's on the first page will prevent login and result in a  
>> "redirect.php" error. If it's on any other subsequent page, that page  
>> cannot be displayed, but all others can. I trust someone can gen a  
>> patch, since this error is 100% reproducible.
>> Steve
>> ---------------------------------------------------------------------- 
>> --
>
>
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