Wip hostpapa 18.2.7 skip error low level apple#6
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Fixes: https://tracker.ceph.com/issues/75885 Signed-off-by: Md Mahamudur Rahaman Sajib <mahamudur.sajib@croit.io> (cherry picked from commit a886d63) Conflicts: src/include/cephfs/libcephfs.h
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Fixes: http://tracker.ceph.com/issues/70287 Signed-off-by: Venky Shankar <vshankar@redhat.com> (cherry picked from commit 33c6f23)
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Apr 30, 2026
rbd_features_from_string() uses boost::lexical_cast which throws
bad_lexical_cast when the input is not numeric. The exception is caught
and handled as "parse as feature name list instead".
This is normal control flow, but when ASAN's __cxa_throw interceptor is
misconfigured (e.g. with intercept_cxx_exceptions=0 leaving real___cxa_throw
NULL), any exception causes a CHECK failure. Even with a correctly configured
ASAN, throwing exceptions during config initialization adds overhead.
Replace the try/catch pattern with boost::conversion::try_lexical_convert,
which returns false on parse failure instead of throwing. This eliminates
the exception entirely, making the code more efficient and avoiding any
interaction with ASAN's exception interceptor.
The ASan report:
```
AddressSanitizer: CHECK failed: asan_interceptors.cpp:320 "((__interception::real___cxa_throw)) != (0)" (0x0, 0x0) (tid=30529)
#0 0x7d668fac9a09 in CheckUnwind ../../../../src/libsanitizer/asan/asan_rtl.cpp:67
#1 0x7d668faec105 in __sanitizer::CheckFailed(char const*, int, char const*, unsigned long long, unsigned long long) ../../../../src/libsanitizer/sanitizer_common/sanitizer_termination.cpp:86
#2 0x7d668fa4b194 in __interceptor___cxa_throw ../../../../src/libsanitizer/asan/asan_interceptors.cpp:320
#3 0x7d668ae4ec0f in void boost::throw_exception<boost::bad_lexical_cast>(boost::bad_lexical_cast const&) /opt/ceph/include/boost/throw_exception.hpp:165
#4 0x7d668c1e1e0b in void boost::conversion::detail::throw_bad_cast<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, unsigned long>() /opt/ceph/include/boost/lexical_cast/bad_lexical_cast.hpp:93
#5 0x7d668c1e0e05 in unsigned long boost::lexical_cast<unsigned long, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /opt/ceph/include/boost/lexical_cast.hpp:43
#6 0x7d668c1df609 in librbd::rbd_features_from_string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::ostream*) /ceph/src/librbd/Features.cc:67
ceph#7 0x7d668b255a35 in get_rbd_options()::$_2::operator()(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) const src/common/options/rbd_options.cc:44
ceph#8 0x7d668b255806 in int std::__invoke_impl<int, get_rbd_options()::$_2&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*>(std::__invoke_other, get_rbd_options()::$_2&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*&&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*&&) /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/bits/invoke.h:61
ceph#9 0x7d668b255754 in std::enable_if<is_invocable_r_v<int, get_rbd_options()::$_2&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*>, int>::type std::__invoke_r<int, get_rbd_options()::$_2&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*>(get_rbd_options()::$_2&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*&&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*&&) /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/bits/invoke.h:114
ceph#10 0x7d668b25563c in std::_Function_handler<int (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*), get_rbd_options()::$_2>::_M_invoke(std::_Any_data const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*&&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*&&) /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/bits/std_function.h:290
ceph#11 0x7d668af924f1 in std::function<int (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)>::operator()(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) const /usr/lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/bits/std_function.h:591
ceph#12 0x7d668af8c495 in Option::pre_validate(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*) const /ceph/src/common/options.cc:94
ceph#13 0x7d668aef9ec3 in md_config_t::md_config_t(ConfigValues&, ConfigTracker const&, bool) /ceph/src/common/config.cc:208
ceph#14 0x7d668ae0040d in ceph::common::ConfigProxy::ConfigProxy(bool) /ceph/src/common/config_proxy.h:70
ceph#15 0x7d668adf3f5d in ceph::common::CephContext::CephContext(unsigned int, ceph::common::CephContext::create_options const&) /ceph/src/common/ceph_context.cc:730
ceph#16 0x7d668adf3785 in ceph::common::CephContext::CephContext(unsigned int, code_environment_t, int) /ceph/src/common/ceph_context.cc:724
ceph#17 0x7d668aef5ee6 in common_preinit(CephInitParameters const&, code_environment_t, int) /ceph/src/common/common_init.cc:40
ceph#18 0x7d668d4a47af in rados_create_cct(char const*, CephInitParameters*) /ceph/src/librados/librados_c.cc:120
ceph#19 0x7d668d4a49db in _rados_create2 /ceph/src/librados/librados_c.cc:168
ceph#20 0x7d668d94dc4b in __pyx_pf_5rados_5Rados_2__setup /ceph/build/src/pybind/rados/rados_processed.c:13219
ceph#21 0x7d668d94dc4b in __pyx_pw_5rados_5Rados_3__setup /ceph/build/src/pybind/rados/rados_processed.c:12703
ceph#22 0x7d668d94a347 in __Pyx_CyFunction_CallAsMethod /ceph/build/src/pybind/rados/rados_processed.c:93157
ceph#23 0x58ac5086d0ba in _PyObject_MakeTpCall (/usr/bin/python3.10+0x1810ba)
ceph#24 0x58ac508843da (/usr/bin/python3.10+0x1983da)
ceph#25 0x58ac50885076 in PyVectorcall_Call (/usr/bin/python3.10+0x199076)
ceph#26 0x7d668d94cdd7 in __Pyx_PyObject_Call /ceph/build/src/pybind/rados/rados_processed.c:90994
ceph#27 0x7d668d94cdd7 in __pyx_pf_5rados_5Rados___init__ /ceph/build/src/pybind/rados/rados_processed.c:12474
ceph#28 0x7d668d94cdd7 in __pyx_pw_5rados_5Rados_1__init__ /ceph/build/src/pybind/rados/rados_processed.c:12443
ceph#29 0x58ac5086d43a (/usr/bin/python3.10+0x18143a)
ceph#30 0x58ac50884d3a in PyObject_Call (/usr/bin/python3.10+0x198d3a)
ceph#31 0x58ac508637de in _PyEval_EvalFrameDefault (/usr/bin/python3.10+0x1777de)
ceph#32 0x58ac5087702b in _PyFunction_Vectorcall (/usr/bin/python3.10+0x18b02b)
ceph#33 0x58ac508615fe in _PyEval_EvalFrameDefault (/usr/bin/python3.10+0x1755fe)
ceph#34 0x58ac5087702b in _PyFunction_Vectorcall (/usr/bin/python3.10+0x18b02b)
ceph#35 0x58ac508615fe in _PyEval_EvalFrameDefault (/usr/bin/python3.10+0x1755fe)
```
Signed-off-by: Kefu Chai <k.chai@proxmox.com>
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