Re: make check fails in coroutine module

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On Sun, Mar 17, 2019 at 03:39:44PM -0700, Ian Zimmerman wrote:
> cc -g3 -ggdb -Wall -Wstrict-prototypes -Wold-style-definition -Wundef -Wm=
issing-prototypes -Wmissing-declarations -Wpointer-arith -Wwrite-strings -D=
CCAN_STR_DEBUG=3D1 -I.  -MMD -MP -MFccan/coroutine/coroutine.o.d -MTccan/co=
routine/coroutine.o -c ccan/coroutine/coroutine.c -o ccan/coroutine/corouti=
ne.o
> tools/ccanlint/ccanlint -s --deps-fail-ignore   ccan/coroutine/ && touch =
ccan/coroutine/.ok
> coroutine: Module's run and api tests pass (tests_pass): FAIL (+0/3)
> /home/itz/git/ccan/ccan/coroutine/test/api-2.c:1..10
> ok 1 - coroutine_stack_check(stack1, NULL) =3D=3D stack1
> ok 2 - coroutine_stack_size(stack1) =3D=3D bufsz - COROUTINE_STK_OVERHEAD
> ok 3 - coroutine_stack_check(stack2, NULL) =3D=3D stack2
> ok 4 - coroutine_stack_size(stack2) =3D=3D bufsz - COROUTINE_STK_OVERHEAD
> sh: line 1: 24908 Segmentation fault      (core dumped) valgrind -q --lea=
k-check=3Dfull --log-fd=3D3 /tmp/ccanlint-24709.1804289383/api-2 3> /tmp/cc=
anlint-24709.1804289383/api-2.valgrind-log
>=20
> ... more (use -vv to see them all)
> coroutine: Total score: 35/43 FAIL!
> make: *** [Makefile:78: ccan/coroutine/.ok] Error 1
>=20
> Perhaps it is relevant that the configurator check causing the segfault
> - as discussed in the other thread - is HAVE_POINTER_SAFE_MAKECONTEXT
> which, I believe, is only used by coroutine module.
>=20
> Platform: x86_64, Fedora 28, gcc 8.3.1, glibc 2.27.  I didn't set any
> special build flags or anything.

Urgh, yeah, it's broken.  Finding time to debug and fix it is proving
difficult.

--=20
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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