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We need to detach dcesrv_iface_state from dcesrv_assoc_group, if dcesrv_assoc_group is free'ed first. Typically this doesn't happen, but it does when rpc_worker_connection_terminated explicitly calls talloc_unlink(conn, conn->assoc_group) and dcesrv_iface_state_store_conn() is used. But we better do it in all assoc_group destructors. ==381007==ERROR: AddressSanitizer: heap-use-after-free on address 0x50d000004f80 at pc 0x7f15fc12e0ac bp 0x7ffe43267780 sp 0x7ffe43267778 READ of size 8 at 0x50d000004f80 thread T0 #0 0x7f15fc12e0ab in dcesrv_iface_state_destructor ../../librpc/rpc/dcesrv_handles.c:166 #1 0x7f15fc0f7d76 in _tc_free_internal ../../lib/talloc/talloc.c:1158 #2 0x7f15fc0f7acd in _tc_free_children_internal ../../lib/talloc/talloc.c:1669 #3 0x7f15fc0f7acd in _tc_free_internal ../../lib/talloc/talloc.c:1184 #4 0x7f15fc0f7acd in _tc_free_children_internal ../../lib/talloc/talloc.c:1669 #5 0x7f15fc0f7acd in _tc_free_internal ../../lib/talloc/talloc.c:1184 #6 0x7f15fc0f7acd in _tc_free_children_internal ../../lib/talloc/talloc.c:1669 #7 0x7f15fc0f7acd in _tc_free_internal ../../lib/talloc/talloc.c:1184 #8 0x7f15fc0f924c in _talloc_free_internal ../../lib/talloc/talloc.c:1248 #9 0x7f15fc0f924c in _talloc_free ../../lib/talloc/talloc.c:1792 #10 0x7f15fadac024 in ncacn_terminate_connection ../../source3/rpc_server/rpc_server.c:263 #11 0x7f15fadac024 in dcesrv_transport_terminate_connection ../../source3/rpc_server/rpc_server.c:251 #12 0x7f15fc11e5ef in dcesrv_terminate_connection ../../librpc/rpc/dcesrv_core.c:2968 #13 0x7f15fc125446 in dcesrv_read_fragment_done ../../librpc/rpc/dcesrv_core.c:3196 #14 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #15 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #16 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #17 0x7f15fb4f69a1 in _tevent_req_nterror ../../lib/util/tevent_ntstatus.c:46 #18 0x7f15fabda2f4 in dcerpc_read_ncacn_packet_done ../../librpc/rpc/dcerpc_util.c:612 #19 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #20 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #21 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #22 0x7f15fbff4228 in tstream_readv_pdu_readv_done ../../lib/tsocket/tsocket_helpers.c:313 #23 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #24 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #25 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #26 0x7f15fbff1800 in tstream_readv_done ../../lib/tsocket/tsocket.c:593 #27 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #28 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #29 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #30 0x7f15fadbc1a3 in tstream_npa_readv_msg_mode_handler ../../libcli/named_pipe_auth/npa_tstream.c:697 #31 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #32 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #33 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #34 0x7f15fbff4228 in tstream_readv_pdu_readv_done ../../lib/tsocket/tsocket_helpers.c:313 #35 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #36 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #37 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #38 0x7f15fbff1800 in tstream_readv_done ../../lib/tsocket/tsocket.c:593 #39 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #40 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #41 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #42 0x7f15fbff9691 in tstream_bsd_readv_handler ../../lib/tsocket/tsocket_bsd.c:2080 #43 0x7f15fbff6f85 in tstream_bsd_fde_handler ../../lib/tsocket/tsocket_bsd.c:1764 #44 0x7f15fb7d9ac1 in tevent_common_invoke_fd_handler ../../lib/tevent/tevent_fd.c:174 #45 0x7f15fb7ef185 in epoll_event_loop ../../lib/tevent/tevent_epoll.c:696 #46 0x7f15fb7ef185 in epoll_event_loop_once ../../lib/tevent/tevent_epoll.c:926 #47 0x7f15fb7e77b8 in std_event_loop_once ../../lib/tevent/tevent_standard.c:110 #48 0x7f15fb7d7549 in _tevent_loop_once ../../lib/tevent/tevent.c:820 #49 0x7f15fc936b7c in rpc_worker_main ../../source3/rpc_server/rpc_worker.c:1249 #50 0x5632ae1e1ec3 in main ../../source3/rpc_server/rpcd_lsad.c:132 #51 0x7f15f7c2a2ad in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 #52 0x7f15f7c2a378 in __libc_start_main_impl ../csu/libc-start.c:360 #53 0x5632ae162e64 in _start ../sysdeps/x86_64/start.S:115 0x50d000004f80 is located 112 bytes inside of 136-byte region [0x50d000004f10,0x50d000004f98) freed by thread T0 here: #0 0x7f15fcefb418 in free ../../../../libsanitizer/asan/asan_malloc_linux.cpp:52 #1 0x7f15fc0f857d in _tc_free_internal ../../lib/talloc/talloc.c:1222 #2 0x7f15fc0f8d0f in _talloc_free_internal ../../lib/talloc/talloc.c:1248 #3 0x7f15fc0f8d0f in talloc_unlink ../../lib/talloc/talloc.c:1473 #4 0x7f15fc934580 in rpc_worker_connection_terminated ../../source3/rpc_server/rpc_worker.c:143 #5 0x7f15fc9310bd in dcesrv_connection_destructor ../../source3/rpc_server/rpc_worker.c:175 #6 0x7f15fc0f7d76 in _tc_free_internal ../../lib/talloc/talloc.c:1158 #7 0x7f15fc0f7acd in _tc_free_children_internal ../../lib/talloc/talloc.c:1669 #8 0x7f15fc0f7acd in _tc_free_internal ../../lib/talloc/talloc.c:1184 #9 0x7f15fc0f924c in _talloc_free_internal ../../lib/talloc/talloc.c:1248 #10 0x7f15fc0f924c in _talloc_free ../../lib/talloc/talloc.c:1792 #11 0x7f15fadac024 in ncacn_terminate_connection ../../source3/rpc_server/rpc_server.c:263 #12 0x7f15fadac024 in dcesrv_transport_terminate_connection ../../source3/rpc_server/rpc_server.c:251 #13 0x7f15fc11e5ef in dcesrv_terminate_connection ../../librpc/rpc/dcesrv_core.c:2968 #14 0x7f15fc125446 in dcesrv_read_fragment_done ../../librpc/rpc/dcesrv_core.c:3196 #15 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #16 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #17 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #18 0x7f15fb4f69a1 in _tevent_req_nterror ../../lib/util/tevent_ntstatus.c:46 #19 0x7f15fabda2f4 in dcerpc_read_ncacn_packet_done ../../librpc/rpc/dcerpc_util.c:612 #20 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #21 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #22 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #23 0x7f15fbff4228 in tstream_readv_pdu_readv_done ../../lib/tsocket/tsocket_helpers.c:313 #24 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #25 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #26 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #27 0x7f15fbff1800 in tstream_readv_done ../../lib/tsocket/tsocket.c:593 #28 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #29 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 #30 0x7f15fb7dcdb7 in _tevent_req_error ../../lib/tevent/tevent_req.c:252 #31 0x7f15fadbc1a3 in tstream_npa_readv_msg_mode_handler ../../libcli/named_pipe_auth/npa_tstream.c:697 #32 0x7f15fb7dcae5 in _tevent_req_notify_callback ../../lib/tevent/tevent_req.c:177 #33 0x7f15fb7dcd1c in tevent_req_finish ../../lib/tevent/tevent_req.c:234 previously allocated by thread T0 here: #0 0x7f15fcefc777 in malloc ../../../../libsanitizer/asan/asan_malloc_linux.cpp:69 #1 0x7f15fc0fbc57 in __talloc_with_prefix ../../lib/talloc/talloc.c:783 #2 0x7f15fc0fd8cf in __talloc ../../lib/talloc/talloc.c:825 #3 0x7f15fc0fd8cf in _talloc_named_const ../../lib/talloc/talloc.c:982 #4 0x7f15fc0fd8cf in _talloc_zero ../../lib/talloc/talloc.c:2421 #5 0x7f15fc93156e in rpc_worker_assoc_group_new ../../source3/rpc_server/rpc_worker.c:681 #6 0x7f15fc93156e in rpc_worker_assoc_group_find ../../source3/rpc_server/rpc_worker.c:730 #7 0x7f15fc120a18 in dcesrv_bind ../../librpc/rpc/dcesrv_core.c:1158 #8 0x7f15fc120a18 in dcesrv_process_ncacn_packet ../../librpc/rpc/dcesrv_core.c:2324 #9 0x7f15fc120a18 in dcesrv_loop_next_packet ../../librpc/rpc/dcesrv_core.c:3222 #10 0x7f15fc933722 in rpc_worker_new_client ../../source3/rpc_server/rpc_worker.c:489 #11 0x7f15fc933722 in rpc_worker_new_client_filter ../../source3/rpc_server/rpc_worker.c:558 #12 0x7f15fbef95ca in messaging_dispatch_waiters ../../source3/lib/messages.c:1343 #13 0x7f15fbefb589 in messaging_dispatch_rec ../../source3/lib/messages.c:1371 #14 0x7f15fbefb589 in messaging_recv_cb ../../source3/lib/messages.c:431 #15 0x7f15faddba9e in msg_dgm_ref_recv ../../lib/messaging/messages_dgm_ref.c:144 #16 0x7f15fadd6cc3 in messaging_dgm_recv ../../lib/messaging/messages_dgm.c:1426 #17 0x7f15fadd7618 in messaging_dgm_read_handler ../../lib/messaging/messages_dgm.c:1316 #18 0x7f15fb7d9ac1 in tevent_common_invoke_fd_handler ../../lib/tevent/tevent_fd.c:174 #19 0x7f15fb7ef185 in epoll_event_loop ../../lib/tevent/tevent_epoll.c:696 #20 0x7f15fb7ef185 in epoll_event_loop_once ../../lib/tevent/tevent_epoll.c:926 #21 0x7f15fb7e77b8 in std_event_loop_once ../../lib/tevent/tevent_standard.c:110 #22 0x7f15fb7d7549 in _tevent_loop_once ../../lib/tevent/tevent.c:820 #23 0x7f15fc936b7c in rpc_worker_main ../../source3/rpc_server/rpc_worker.c:1249 #24 0x5632ae1e1ec3 in main ../../source3/rpc_server/rpcd_lsad.c:132 #25 0x7f15f7c2a2ad in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58 BUG: https://bugzilla.samba.org/show_bug.cgi?id=15765 Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org> |
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wscript_configure_system_ncurses |