Toni Uhlig
|
bf30a9af8f
|
Fixed off-by-one read which causes a stack overflow. Reported by ASAN.
==26656==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffdbc91936c at pc 0x561d962ea0e3 bp 0x7ffdbc918e80 sp 0x7ffdbc918e78
READ of size 1 at 0x7ffdbc91936c thread T0
#0 0x561d962ea0e2 in sdbm(unsigned char*, int) /home/toni/git/UDPspeeder/common.cpp:911
#1 0x561d9639b3a5 in std::hash<address_t>::operator()(address_t const&) const /home/toni/git/UDPspeeder/common.h:340
#2 0x561d9639b3a5 in std::__detail::_Hash_code_base<address_t, std::pair<address_t const, unsigned int>, std::__detail::_Select1st, std::hash<address_t>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::_M_hash_code(address_t const&) const /usr/include/c++/10/bits/hashtable_policy.h:1379
#3 0x561d9639b3a5 in std::_Hashtable<address_t, std::pair<address_t const, unsigned int>, std::allocator<std::pair<address_t const, unsigned int> >, std::__detail::_Select1st, std::equal_to<address_t>, std::hash<address_t>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::find(address_t const&) /usr/include/c++/10/bits/hashtable.h:1452
#4 0x561d9639b3a5 in std::unordered_map<address_t, unsigned int, std::hash<address_t>, std::equal_to<address_t>, std::allocator<std::pair<address_t const, unsigned int> > >::find(address_t const&) /usr/include/c++/10/bits/unordered_map.h:920
#5 0x561d9639b3a5 in conv_manager_t<address_t>::is_data_used(address_t) /home/toni/git/UDPspeeder/connection.h:88
#6 0x561d9639b3a5 in data_from_local_or_fec_timeout(conn_info_t&, int) /home/toni/git/UDPspeeder/tunnel_client.cpp:68
#7 0x561d963caa11 in ev_invoke_pending /home/toni/git/UDPspeeder/libev/ev.c:3314
#8 0x561d963eab2e in ev_run /home/toni/git/UDPspeeder/libev/ev.c:3717
#9 0x561d9639ee7b in tunnel_client_event_loop() /home/toni/git/UDPspeeder/tunnel_client.cpp:369
#10 0x561d962e3d03 in main /home/toni/git/UDPspeeder/main.cpp:146
#11 0x7f37d387cd09 in __libc_start_main ../csu/libc-start.c:308
#12 0x561d962e4739 in _start (/home/toni/git/UDPspeeder/build/speederv2+0x262739)
Address 0x7ffdbc91936c is located in stack of thread T0 at offset 1052 in frame
#0 0x561d9639a87f in data_from_local_or_fec_timeout(conn_info_t&, int) /home/toni/git/UDPspeeder/tunnel_client.cpp:3
Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
|
2023-03-15 19:19:09 +01:00 |
|
