Re: glibc-2.2.5 segv in fopen

[Andreas Jaeger]

Richard Polton <address@hidden> writes:

> All,
>
> I have come across a reproducible SIGSEGV in fopen in glibc-2.2.5 on
> linux-2.4.17. glibc was compiled using gcc-3.0.3. I have not used
> glibcbug because the affected machine does not have mail capability ...
>
> The issue occurs when there are zero free blocks available in the
> filesystem and fopen is called.
>
> fopen \equiv _IO_new_fopen( "filename","w+b") at iofopen.c:50
>
> calls
>
> __libc_malloc( bytes=364) at malloc.c:2810
>
> which calls in turn
>
> chunk_alloc(ar_ptr=0x4090a480,nb=368) at malloc.c:2878
>
> ar_ptr seems a little large. I could not work out how the arena_get
> calls worked in this instance unfortunately.
>

Please tell us a bit more.  Where is it crashing?  What's the
backtrace?  Can you send an minimal example program that crashes?

What kind of full disk do you exactly need (inodes, data blocks)?

Andreas
-- 
 Andreas Jaeger
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