I wrote:

> Dominique Pellé wrote:
> 
> > Bram Moolenaar <[email protected]> wrote:
> > 
> > > Patch 8.0.0224
> > > Problem:    When 'fileformats' is changed in a BufReadPre auto command, it
> > >             does not take effect in readfile(). (Gary Johnson)
> > > Solution:   Check the value of 'fileformats' after executing auto 
> > > commands.
> > >             (Christian Brabandt)
> > > Files:      src/fileio.c, src/testdir/test_fileformat.vim
> > >
> > >
> > > *** ../vim-8.0.0223/src/fileio.c        2017-01-13 21:59:59.327172086
> > 
> > 
> > Running tests with vim-8.0.225 built with asan, I see the
> > following crash (head-buffer-overflow).  Since I see fileio.c
> > in the stack, I assume that the bug is caused by patch 8.0.224:
> > 
> > =================================================================
> > ==5073==ERROR: AddressSanitizer: heap-buffer-overflow on address
> > 0x6310000a07ff at pc 0x000000a15d57 bp 0x7ffe2637ca50 sp
> > 0x7ffe2637ca48
> > READ of size 1 at 0x6310000a07ff thread T0
> >     #0 0xa15d56 in readfile /home/pel/sb/vim/src/fileio.c:2254
> >     #1 0x51c1b9 in open_buffer /home/pel/sb/vim/src/buffer.c:236
> 
> I suspect this is not caused by the patch, but because the test reads a
> file in DOS mode with the first line lacking a CR.
> 
> Hmm, valgrind does not see this error.

Correction: Valgrind does see this error, I had fixed the test already.

> And the address sanitizer does
> not work: 
> ERROR: AddressSanitizer failed to allocate 0xdfff0001000 (15392894357504) 
> bytes at address 2008fff7000 (errno: 12)
> 
> I don't have that many bytes!  Didn't find a way to avoid that.

-- 
This is the polymorph virus!  Follow these instructions carefully:
1. Send this message to everybody you know.
2. Format your harddisk.
Thank you for your cooperation in spreading the most powerful virus ever!

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

-- 
-- 
You received this message from the "vim_dev" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php

--- 
You received this message because you are subscribed to the Google Groups 
"vim_dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/d/optout.

Raspunde prin e-mail lui