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  1. Traffic Server
  2. TS-3805

ASAN heap-use-after-free in ProxyClientSession::ssn_hook_get

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 7.0.0
    • Component/s: Core
    • Labels:

      Description

      [E. Mgmt] log ==> [TrafficManager] using root directory '/opt/ats'
      [Jul 30 11:02:22.124] Manager {0x7f1366c0e8c0} WARNING: Be aware that access control checks for HTTP/2 connections are not active!
      [Jul 30 11:02:22.124] Manager {0x7f1366c0e8c0} WARNING: Be aware that access control checks for HTTP/2 connections are not active!
      traffic_server: using root directory '/opt/ats'
      =================================================================
      ==11239==ERROR: AddressSanitizer: heap-use-after-free on address 0x61700009a170 at pc 0x52e50d bp 0x2b9d1a56a6b0 sp 0x2b9d1a56a6a8
      READ of size 8 at 0x61700009a170 thread T3 ([ET_NET 2])
          #0 0x52e50c in APIHooks::get() const /usr/local/src/trafficserver/proxy/InkAPI.cc:1258
          #1 0x66bb1e in FeatureAPIHooks<TSHttpHookID, (TSHttpHookID)19>::get(TSHttpHookID) const ../../proxy/InkAPIInternal.h:256
          #2 0x66bb1e in ProxyClientSession::ssn_hook_get(TSHttpHookID) const ../../proxy/ProxyClientSession.h:64
          #3 0x66bb1e in HttpSM::state_api_callout(int, void*) /usr/local/src/trafficserver/proxy/http/HttpSM.cc:1328
          #4 0x67c586 in HttpSM::kill_this() /usr/local/src/trafficserver/proxy/http/HttpSM.cc:6552
          #5 0x67f817 in HttpSM::main_handler(int, void*) /usr/local/src/trafficserver/proxy/http/HttpSM.cc:2558
          #6 0xbb82d0 in Continuation::handleEvent(int, void*) ../../iocore/eventsystem/I_Continuation.h:146
          #7 0xbb82d0 in read_signal_and_update /usr/local/src/trafficserver/iocore/net/UnixNetVConnection.cc:145
          #8 0xbb82d0 in UnixNetVConnection::mainEvent(int, Event*) /usr/local/src/trafficserver/iocore/net/UnixNetVConnection.cc:1175
          #9 0xb8d622 in Continuation::handleEvent(int, void*) ../../iocore/eventsystem/I_Continuation.h:146
          #10 0xb8d622 in InactivityCop::check_inactivity(int, Event*) /usr/local/src/trafficserver/iocore/net/UnixNet.cc:102
          #11 0xc336de in Continuation::handleEvent(int, void*) /usr/local/src/trafficserver/iocore/eventsystem/I_Continuation.h:146
          #12 0xc336de in EThread::process_event(Event*, int) /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:128
          #13 0xc35947 in EThread::execute() /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:207
          #14 0xc322e8 in spawn_thread_internal /usr/local/src/trafficserver/iocore/eventsystem/Thread.cc:86
          #15 0x2b9d1363bdf4 in start_thread (/lib64/libpthread.so.0+0x7df4)
          #16 0x2b9d14ea41ac in __clone (/lib64/libc.so.6+0xf61ac)
      
      0x61700009a170 is located 240 bytes inside of 688-byte region [0x61700009a080,0x61700009a330)
      freed by thread T3 ([ET_NET 2]) here:
          #0 0x2b9d1123a1c7 in __interceptor_free ../../.././libsanitizer/asan/asan_malloc_linux.cc:62
          #1 0x62f74e in HttpVCTable::cleanup_entry(HttpVCTableEntry*) /usr/local/src/trafficserver/proxy/http/HttpSM.cc:216
          #2 0x65047a in HttpSM::state_read_client_request_header(int, void*) /usr/local/src/trafficserver/proxy/http/HttpSM.cc:606
          #3 0x67f4f0 in HttpSM::main_handler(int, void*) /usr/local/src/trafficserver/proxy/http/HttpSM.cc:2545
          #4 0xbb82d0 in Continuation::handleEvent(int, void*) ../../iocore/eventsystem/I_Continuation.h:146
          #5 0xbb82d0 in read_signal_and_update /usr/local/src/trafficserver/iocore/net/UnixNetVConnection.cc:145
          #6 0xbb82d0 in UnixNetVConnection::mainEvent(int, Event*) /usr/local/src/trafficserver/iocore/net/UnixNetVConnection.cc:1175
          #7 0xb8d622 in Continuation::handleEvent(int, void*) ../../iocore/eventsystem/I_Continuation.h:146
          #8 0xb8d622 in InactivityCop::check_inactivity(int, Event*) /usr/local/src/trafficserver/iocore/net/UnixNet.cc:102
          #9 0xc336de in Continuation::handleEvent(int, void*) /usr/local/src/trafficserver/iocore/eventsystem/I_Continuation.h:146
          #10 0xc336de in EThread::process_event(Event*, int) /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:128
          #11 0xc35947 in EThread::execute() /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:207
          #12 0xc322e8 in spawn_thread_internal /usr/local/src/trafficserver/iocore/eventsystem/Thread.cc:86
          #13 0x2b9d1363bdf4 in start_thread (/lib64/libpthread.so.0+0x7df4)
      
      previously allocated by thread T3 ([ET_NET 2]) here:
          #0 0x2b9d1123a93b in __interceptor_posix_memalign ../../.././libsanitizer/asan/asan_malloc_linux.cc:130
          #1 0x2b9d12123849 in ats_memalign /usr/local/src/trafficserver/lib/ts/ink_memory.cc:100
          #2 0x2b9d121241b0 in ink_freelist_new /usr/local/src/trafficserver/lib/ts/ink_queue.cc:239
          #3 0x5ffe94 in ClassAllocator<HttpClientSession>::alloc() ../../lib/ts/Allocator.h:120
          #4 0x5ffe94 in thread_alloc_init<HttpClientSession> ../../iocore/eventsystem/I_ProxyAllocator.h:81
          #5 0x5ffe94 in HttpSessionAccept::accept(NetVConnection*, MIOBuffer*, IOBufferReader*) /usr/local/src/trafficserver/proxy/http/HttpSessionAccept.cc:63
          #6 0x5ffa14 in HttpSessionAccept::mainEvent(int, void*) /usr/local/src/trafficserver/proxy/http/HttpSessionAccept.cc:86
          #7 0xb6999e in SSLNextProtocolTrampoline::ioCompletionEvent(int, void*) /usr/local/src/trafficserver/iocore/net/SSLNextProtocolAccept.cc:99
          #8 0xbc420f in Continuation::handleEvent(int, void*) ../../iocore/eventsystem/I_Continuation.h:146
          #9 0xbc420f in read_signal_and_update /usr/local/src/trafficserver/iocore/net/UnixNetVConnection.cc:145
          #10 0xbc420f in read_signal_done /usr/local/src/trafficserver/iocore/net/UnixNetVConnection.cc:206
          #11 0xbc420f in UnixNetVConnection::readSignalDone(int, NetHandler*) /usr/local/src/trafficserver/iocore/net/UnixNetVConnection.cc:1006
          #12 0xb60ac8 in SSLNetVConnection::net_read_io(NetHandler*, EThread*) /usr/local/src/trafficserver/iocore/net/SSLNetVConnection.cc:540
          #13 0xb834fc in NetHandler::mainNetEvent(int, Event*) /usr/local/src/trafficserver/iocore/net/UnixNet.cc:516
          #14 0xc365be in Continuation::handleEvent(int, void*) /usr/local/src/trafficserver/iocore/eventsystem/I_Continuation.h:146
          #15 0xc365be in EThread::process_event(Event*, int) /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:128
          #16 0xc365be in EThread::execute() /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:252
          #17 0xc322e8 in spawn_thread_internal /usr/local/src/trafficserver/iocore/eventsystem/Thread.cc:86
          #18 0x2b9d1363bdf4 in start_thread (/lib64/libpthread.so.0+0x7df4)
      
      Thread T3 ([ET_NET 2]) created by T0 ([ET_NET 0]) here:
          #0 0x2b9d1120986a in __interceptor_pthread_create ../../.././libsanitizer/asan/asan_interceptors.cc:183
          #1 0xc32f75 in ink_thread_create ../../lib/ts/ink_thread.h:150
          #2 0xc32f75 in Thread::start(char const*, unsigned long, void* (*)(void*), void*) /usr/local/src/trafficserver/iocore/eventsystem/Thread.cc:101
          #3 0xc3b5c6 in EventProcessor::start(int, unsigned long) /usr/local/src/trafficserver/iocore/eventsystem/UnixEventProcessor.cc:140
          #4 0x4967bb in main /usr/local/src/trafficserver/proxy/Main.cc:1624
          #5 0x2b9d14dcfaf4 in __libc_start_main (/lib64/libc.so.6+0x21af4)
      
      SUMMARY: AddressSanitizer: heap-use-after-free /usr/local/src/trafficserver/proxy/InkAPI.cc:1258 APIHooks::get() const
      Shadow bytes around the buggy address:
        0x0c2e8000b3d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
        0x0c2e8000b3e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
        0x0c2e8000b3f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
        0x0c2e8000b400: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
        0x0c2e8000b410: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
      =>0x0c2e8000b420: fd fd fd fd fd fd fd fd fd fd fd fd fd fd[fd]fd
        0x0c2e8000b430: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
        0x0c2e8000b440: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
        0x0c2e8000b450: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
        0x0c2e8000b460: fd fd fd fd fd fd fa fa fa fa fa fa fa fa fa fa
        0x0c2e8000b470: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
      Shadow byte legend (one shadow byte represents 8 application bytes):
        Addressable:           00
        Partially addressable: 01 02 03 04 05 06 07
        Heap left redzone:       fa
        Heap right redzone:      fb
        Freed heap region:       fd
        Stack left redzone:      f1
        Stack mid redzone:       f2
        Stack right redzone:     f3
        Stack partial redzone:   f4
        Stack after return:      f5
        Stack use after scope:   f8
        Global redzone:          f9
        Global init order:       f6
        Poisoned by user:        f7
        Contiguous container OOB:fc
        ASan internal:           fe
      ==11239==ABORTING
      [E. Mgmt] log ==> [TrafficManager] using root directory '/opt/ats'
      [Jul 30 11:11:14.291] Manager {0x7fe0756968c0} WARNING: Be aware that access control checks for HTTP/2 connections are not active!
      [Jul 30 11:11:14.291] Manager {0x7fe0756968c0} WARNING: Be aware that access control checks for HTTP/2 connections are not active!
      traffic_server: using root directory '/opt/ats'
      

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              • Assignee:
                shinrich Susan Hinrichs
                Reporter:
                zwoop Leif Hedstrom
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                • Created:
                  Updated:
                  Resolved: