Ceph » rgw

possibly reproducible in K as well, reproducible in ARM builds of 12.0.1 in openSUSE

gdb bt below:
(gdb) bt full
#0 0x0000ffffaf11fda0 in std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*) () from /usr/lib64/libstdc++.so.6
No symbol table info available.
#1 0x0000aaaaaac0e524 in std::list<RGWFrontend*, std::allocator<RGWFrontend*> >::_M_insert<RGWFrontend* const&> (_position=..., this=0xffffffffed78)
at /usr/include/c++/4.8/bits/stl_list.h:1562
No locals.
#2 std::list<RGWFrontend*, std::allocator<RGWFrontend*> >::push_back (_x=<synthetic pointer>, this=0xffffffffed78) at /usr/include/c++/4.8/bits/stl_list.h:1016
No locals.
#3 main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/ceph-12.0.1+git.1491557762.4e47e9f/src/rgw/rgw_main.cc:530
config = <optimized out>
framework = <error reading variable framework (Cannot access memory at address 0x2e8)>
fe = 0xaaaaab8ee260
r = 0
fiter = {_M_node = 0xaaaaab899680}
configs = <error reading variable configs (Cannot access memory at address 0x268)>
cct = <error reading variable cct (Cannot access memory at address 0x128)>
apis = <error reading variable apis (Cannot access memory at address 0x288)>
fes = <error reading variable fes (Cannot access memory at address 0x2a8)>
pusher = <error reading variable pusher (Cannot access memory at address 0x5c0)>
pauser = <error reading variable pauser (Cannot access memory at address 0x2e8)>
frontends = <error reading variable frontends (Cannot access memory at address 0x258)>
r = <optimized out>
olog = 0x0
realm_watcher = <error reading variable realm_watcher (Cannot access memory at address 0x360)>
def_args = <error reading variable def_args (Cannot access memory at address 0x2b8)>
fe_map = <error reading variable fe_map (Cannot access memory at address 0x300)>
rest = <error reading variable rest (Cannot access memory at address 0x3c0)>
s3website_enabled = <optimized out>
swift_at_root = <optimized out>
flags = <optimized out>
store = <error reading variable store (Cannot access memory at address 0x138)>
apis_map = <error reading variable apis_map (Cannot access memory at address 0x330)>
auth_registry = <error reading variable auth_registry (Cannot access memory at address 0x298)>
args = <error reading variable args (Cannot access memory at address 0x2d0)>
mutex = <error reading variable mutex (Cannot access memory at address 0x560)>
init_timer = <error reading variable init_timer (Cannot access memory at address 0x638)>
reloader = <error reading variable reloader (Cannot access memory at address 0x700)>
Backtrace stopped: Cannot access memory at address 0x8