[cups] cupsd 2.0.3 SIGSEGV on Solaris SPARC 64bit

[Matthias Apitz]

El día Friday, January 22, 2016 a las 11:14:41AM -0500, Michael Sweet escribió:

> Matthias,
> 
> > On Jan 22, 2016, at 3:54 AM, Matthias Apitz <guru at unixarea.de> wrote:
> > ...
> > I say this, because I now have exactly such crashes with cupsd, see
> > below a concrete situation where the browser is contacting port 631.
> > 
> > Has someone here from the list the cupsd compiled for 64 bit?
> 
> cupsd has been compiled for 64-bit since the early days of CUPS (1997/1998).
> 
> We shipped cupsd 64-bit on IRIX from the beginning, and have been shipping it 64-bit on OS X since 10.6. Every Linux distribution for 64-bit architectures ships a 64-bit build of cupsd.
> 
> So I don't think this is a 64-bit issue.
> 
> A debug backtrace showing where the segfault occurs would be the best way to diagnose the problem here...

Here we go:

(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0xffffffff7d33c7f0 in strlen () from /lib/64/libc.so.1
(gdb) bt
#0  0xffffffff7d33c7f0 in strlen () from /lib/64/libc.so.1
#1  0xffffffff7d3acdd0 in _ndoprnt () from /lib/64/libc.so.1
#2  0xffffffff7d3af63c in vsnprintf () from /lib/64/libc.so.1
#3  0x0000000100029808 in format_log_line ( message=message at entry=0xffffffff7fffef88 "[Client 3]
    cupsdSendHeader: code=%d, type=\"%s\", auth_type=%d", ap=0xffffffff7ffff428) at log.c:1158
#4  0x000000010002abf4 in cupsdLogClient (con=con at entry=0x1001ca1a0, level=level at entry=8, 
    message=0x10004a4b0 "cupsdSendHeader: code=%d, type=\"%s\", auth_type=%d") at log.c:468
#5  0x00000001000100e4 in cupsdSendHeader (con=con at entry=0x1001ca1a0, 
    code=code at entry=HTTP_STATUS_OK, type=type at entry=0x0, auth_type=auth_type at entry=0)
    at client.c:2311
#6  0x0000000100010c50 in cupsdWriteClient (con=0x1001ca1a0) at client.c:2681
#7  0x000000010003534c in cupsdDoSelect (timeout=timeout at entry=1) at select.c:581
#8  0x000000010004830c in main (argc=<optimized out>, argv=<optimized out>) at main.c:786

	matthias

-- 
Matthias Apitz, ✉ guru at unixarea.de, ⌂ http://www.unixarea.de/  ☎ +49-176-38902045
UNIX since V7 on PDP-11 | UNIX on mainframe since ESER 1055 (IBM /370)
UNIX on x86 since SVR4.2 UnixWare 2.1.2 | FreeBSD since 2.2.5