On Sat, Dec 05, 2009 at 09:45:29AM +0100, Tollef Fog Heen wrote:
> Package: freeradius
> Version: 2.0.4+dfsg-8~lenny3
> Severity: normal
>
> I'm seeing periodical segfaults in rlm_passwd on lenny. The backtrace
> is as follows:
>
> (gdb) c
> Continuing.
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x42045950 (LWP 21769)]
> 0x00007fdeaa28cadb in _IO_file_close_it () from /lib/libc.so.6
> (gdb) bt
> #0 0x00007fdeaa28cadb in _IO_file_close_it () from /lib/libc.so.6
> #1 0x00007fdeaa27fdd0 in fclose () from /lib/libc.so.6
> #2 0x00007fdea3f96197 in get_next (name=0x1ca4a44 "sjoerd", ht=0x1c8eba0) at
> rlm_passwd.c:288
> #3 0x00007fdea3f96353 in passwd_map (instance=0x1c8eab0, request=0x1ca4f10)
> at rlm_passwd.c:543
> #4 0x000000000041402a in modcall (component=1, c=<value optimized out>,
> request=0x1ca4f10) at modcall.c:265
> #5 0x0000000000411951 in indexed_modcall (comp=1, idx=<value optimized out>,
> request=0x1ca4f10) at modules.c:446
> #6 0x00000000004080c6 in rad_authenticate (request=0x1ca4f10) at auth.c:546
> #7 0x000000000041f4e1 in radius_handle_request (request=0x1ca4f10,
> fun=0x407fd0 <rad_authenticate>) at event.c:2754
> #8 0x0000000000418924 in request_handler_thread (arg=<value optimized out>)
> at threads.c:478
> #9 0x00007fdeaac82fc7 in start_thread () from /lib/libpthread.so.0
> #10 0x00007fdeaa2eb5ad in clone () from /lib/libc.so.6
> #11 0x0000000000000000 in ?? ()
> (gdb) up
> #1 0x00007fdeaa27fdd0 in fclose () from /lib/libc.so.6
> (gdb)
> #2 0x00007fdea3f96197 in get_next (name=0x1ca4a44 "sjoerd", ht=0x1c8eba0) at
> rlm_passwd.c:288
> 288 rlm_passwd.c: No such file or directory.
> in rlm_passwd.c
> (gdb) print *ht
> $1 = {tablesize = 0, keyfield = 0, nfields = 2, islist = 0, ignorenis = 0,
> filename = 0x1c8e2c0 "/var/lib/pglistener/apache",
> table = 0x0, last_found = 0x0,
> buffer = "<stuff from passwd file>\0' <repeats XXX times>, fp = 0x0,
> delimiter = 58 ':'}
> (gdb)
>
> (As to the version number, I have added a yubikey module, but rlm_passwd
> should be untouched.)
It doesn't seem to be particularly different in the latest version:
% git diff release_2_0_4 HEAD src/modules/rlm_passwd | diffstat
rlm_passwd.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
% git diff release_2_0_4 HEAD src/modules/rlm_passwd | grep @@
@@ -493,7 +493,7 @@ static int passwd_detach (void *instance) {
@@ -505,10 +505,10 @@ static void addresult (struct passwd_instance * inst,
VALUE_PAIR ** vp, struct m
@@ -530,6 +530,11 @@ static int passwd_map(void *instance, REQUEST *request)
@@ -537,9 +542,9 @@ static int passwd_map(void *instance, REQUEST *request)
I'm forwarding this to the upstream author. Alan, does this sound
familiar?
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