Control: severity -1 serious
On Mon, 27 Jul 2026 08:40:16 +0200 Vincent Bernat <[email protected]> wrote:
Package: libfalcosecurity0t64
Version: 0.23.2-2
Severity: important
Hey!
After upgrading to 0.23.2-2, Wireshark segfaults at start:
(gdb) bt
#0 std::__detail::_Mod_range_hashing::operator() (this=<optimized out>,
__num=10486467086191084205, __den=0)
at /usr/include/c++/15/bits/hashtable_policy.h:584
#1 std::__detail::_Hash_code_base<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >,
std::pair<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > const, libsinsp::state::base_table*>,
std::__detail::_Select1st, std::hash<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > >,
std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
true>::_M_bucket_index (this=0x55a018fbc290, __c=10486467086191084205,
__bkt_count=0)
at /usr/include/c++/15/bits/hashtable_policy.h:1093
#2 std::_Hashtable<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >,
std::pair<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > const, libsinsp::state::base_table*>,
std::allocator<std::pair<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const,
libsinsp::state::base_table*> >, std::__detail::_Select1st,
std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > >,
std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Prime_rehash_policy,
std::__detail::_Hashtable_traits<true, false, true> >::_M_bucket_index
(this=0x55a018fbc290, __c=10486467086191084205) at
/usr/include/c++/15/bits/hashtable.h:811
#3 std::_Hashtable<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >,
std::pair<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > const, libsinsp::state::base_table*>,
std::allocator<std::pair<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const,
libsinsp::state::base_table*> >, std::__detail::_Select1st,
std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > >,
std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Prime_rehash_policy,
std::__detail::_Hashtable_traits<true, false, true> >::_M_locate
(this=0x55a018fbc290, __k="threads") at
/usr/include/c++/15/bits/hashtable.h:2280
#4 std::_Hashtable<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >,
std::pair<std::__cxx11::basic_string<char, std::char_traits<char>,
std::allocator<char> > const, libsinsp::state::base_table*>,
std::allocator<std::pair<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const,
libsinsp::state::base_table*> >, std::__detail::_Select1st,
std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>,
This was also caught by wireshark's autopkgtests, and is blocking
falcosecurity-libs' migration to testing. Also this is blocking the abseil
transition.
Cheers,
Emilio
