Re: [Proftpd-devel] segfault in proftpd 1.3 when ls is used

[TJ S. <tj...@ca...>]

> I get a segfault in from the latest 1.3 cvs source when issuing an ls on a
> directory with many files in it.

How many files, exactly?

> The crash is in pr_fs_globfree (see below).
>
> Regards
> Markus
>
>
> #0  0x400d07a4 in chunk_free () from /lib/i686/libc.so.6
> #1  0x400d0726 in free () from /lib/i686/libc.so.6
> #2  0x0809076d in dolist (cmd=0x818f2b4, opt=0x322c3500 <Address
> 0x322c3500 out of bounds>, clearflags=1) at mod_ls.c:1523
> #3  0x08091339 in genericlist (cmd=0x81af0ec) at mod_ls.c:1825
> #4  0x0806d194 in call_module (m=0x81af0ec, func=0x8091a30 <ls_list>,
> cmd=0x81af0ec) at modules.c:435
> #5  0x080517e6 in _dispatch (cmd=0x81af0ec, cmd_type=2, validate=1,
> match=0x81af13c "LIST") at main.c:570
> #6  0x08051b38 in pr_cmd_dispatch (cmd=0x81af0ec) at main.c:651
> #7  0x4001a199 in _init () from /opt/mitk5/libexec/mod_gss.so
> #8  0x40017c7e in _init () from /opt/mitk5/libexec/mod_gss.so
> #9  0x0806d194 in call_module (m=0x81af0ec, func=0x400178e0 <_init+8124>,
> cmd=0x4001dc18) at modules.c:435
> #10 0x080517e6 in _dispatch (cmd=0x81b3724, cmd_type=2, validate=1,
> match=0x81b3774 "ENC") at main.c:570
> #11 0x08051b38 in pr_cmd_dispatch (cmd=0x81b3724) at main.c:651
> #12 0x08051fdd in cmd_loop (server=0x813ee64, c=0x818e1cc) at main.c:864
> #13 0x08052db5 in fork_server (fd=135850468, l=0x818ddac, nofork=0 '\0')
> at main.c:1362
> #14 0x08053833 in daemon_loop () at main.c:1569
> #15 0x08057424 in main (argc=65534, argv=0x813cf94, envp=0xbffff490) at
> main.c:2902
> #16 0x4007a4c2 in __libc_start_main () from /lib/i686/libc.so.6

What proftpd.conf are you using?  What was the exact command sequence?

I keep asking these same questions because I need to be able to duplicate
the problem locally if I am to fix it.

TJ

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