On Wed, Oct 05, 2016 at 03:30:02PM +0100, Stuart Henderson wrote:
> On 2016/10/05 15:08, Stuart Henderson wrote:
> > On 2016/10/05 18:05, Alexandr Shadchin wrote:
> > > On Wed, Oct 05, 2016 at 12:31:27PM +0100, Stuart Henderson wrote:
> > > > There's a segfault when py-requests GETs an https resource (segv occurs
> > > > after it calls verify_cb, it happens every time for every site I've
> > > > tried).
> > > > e.g.
> > > >
> > > > $ printf "import requests\nr =
> > > > requests.get('https://www.openbsd.org/')\n" | python2.7
> > > > Segmentation fault (core dumped)
> > > >
> > > > Any ideas who is to blame or where to poke at next?
> > > >
> > >
> > > I test on two machines, work fine, no segv.
> > >
> > > Snapshot:
> > >
> > > kern.version=OpenBSD 6.0-current (GENERIC.MP) #2529: Tue Oct 4 17:53:45
> > > MDT 2016
> > > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> > >
> > > Python 2.7.12 (default, Sep 26 2016, 15:57:20)
> > > [GCC 4.2.1 20070719 ] on openbsd6
> >
> > Weird. I've tried on another machine which is also OK. I've forcibly
> > reinstalled all packages (and am using a current base snapshot) so I'm
> > up-to-date everywhere on the machine where it's failing.
>
> Same for py-requests-2.10.0, FWIW.
I have a similar crash on macppc, and this breaks letsencrypt renew.
This is with a snap from end of july (libssl.so.39.0) and py-requests 2.10.0.
gdb is of course unusable:
#0 0xafcb746c in _thread_sys___syscall () at <stdin>:2
#1 0xafc79c94 in *_libc_mmap (addr=Variable "addr" is not available.
) at /usr/src/lib/libc/sys/mmap.c:47
#2 0xac7bcf50 in b_callback () from
/usr/local/lib/python2.7/site-packages/_cffi_backend.so
#3 0xac7bcf50 in b_callback () from
/usr/local/lib/python2.7/site-packages/_cffi_backend.so
ktracing it, it blows on an mmap call.
7237 python2.7 CALL socket(AF_INET,0x1<SOCK_STREAM>,0x6)
7237 python2.7 RET socket 3
7237 python2.7 CALL setsockopt(3,6<tcp>,1,0xffff4548,4)
7237 python2.7 RET setsockopt 0
7237 python2.7 CALL fcntl(3,F_GETFL)
7237 python2.7 RET fcntl 2
7237 python2.7 CALL fcntl(3,F_SETFL,0x2<O_RDWR>)
7237 python2.7 RET fcntl 0
7237 python2.7 CALL connect(3,0xffff4570,16)
7237 python2.7 STRU struct sockaddr { AF_INET, 129.128.5.194:443 }
7237 python2.7 RET connect 0
7237 python2.7 CALL gettimeofday(0xffff4a10,0)
7237 python2.7 STRU struct timeval { 1476172774<"Oct 11 09:59:34
2016">.021350 }
7237 python2.7 RET gettimeofday 0
7237 python2.7 CALL kbind(0xffff494c,12,0x23e74200b3124c51)
7237 python2.7 RET kbind 0
7237 python2.7 CALL
mmap(0,0x1000,0x7<PROT_READ|PROT_WRITE|PROT_EXEC>,0x1002<MAP_PRIVATE|MAP_ANON>,-1,0)
7237 python2.7 PSIG SIGABRT SIG_DFL
7237 python2.7 NAMI "python2.7.core"
