You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@trafficserver.apache.org by "Leif Hedstrom (JIRA)" <ji...@apache.org> on 2015/07/29 04:39:04 UTC

[jira] [Created] (TS-3804) ASAN heap-use-after-free in HttpClientSession::destroy

Leif Hedstrom created TS-3804:
---------------------------------

             Summary: ASAN heap-use-after-free in HttpClientSession::destroy
                 Key: TS-3804
                 URL: https://issues.apache.org/jira/browse/TS-3804
             Project: Traffic Server
          Issue Type: Bug
          Components: HTTP
            Reporter: Leif Hedstrom


Seeing this with current master on docs.trafficserver:

{code}
traffic_server: using root directory '/opt/ats'
=================================================================
==20070==ERROR: AddressSanitizer: heap-use-after-free on address 0x6250038c6328 at pc 0x60d722 bp 0x2af782a92940 sp 0x2af782a92938
WRITE of size 8 at 0x6250038c6328 thread T4 ([ET_NET 3])
    #0 0x60d721 in HttpClientSession::destroy() /usr/local/src/trafficserver/proxy/http/HttpClientSession.cc:98
    #1 0x60c867 in HttpClientSession::state_wait_for_close(int, void*) /usr/local/src/trafficserver/proxy/http/HttpClientSession.cc:356
    #2 0x592027 in Continuation::handleEvent(int, void*) ../iocore/eventsystem/I_Continuation.h:146
    #3 0x592027 in PluginVC::process_read_side(bool) /usr/local/src/trafficserver/proxy/PluginVC.cc:629
    #4 0x59eb99 in PluginVC::main_handler(int, void*) /usr/local/src/trafficserver/proxy/PluginVC.cc:204
    #5 0xc3357e in Continuation::handleEvent(int, void*) /usr/local/src/trafficserver/iocore/eventsystem/I_Continuation.h:146
    #6 0xc3357e in EThread::process_event(Event*, int) /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:128
    #7 0xc35259 in EThread::execute() /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:179
    #8 0xc32188 in spawn_thread_internal /usr/local/src/trafficserver/iocore/eventsystem/Thread.cc:86
    #9 0x2af77b75cdf4 in start_thread (/lib64/libpthread.so.0+0x7df4)
    #10 0x2af77cfc51ac in __clone (/lib64/libc.so.6+0xf61ac)

0x6250038c6328 is located 6696 bytes inside of 8032-byte region [0x6250038c4900,0x6250038c6860)
freed by thread T4 ([ET_NET 3]) here:
    #0 0x2af77935b1c7 in __interceptor_free ../../.././libsanitizer/asan/asan_malloc_linux.cc:62
    #1 0x67cab5 in ClassAllocator<HttpSM>::free(HttpSM*) ../../lib/ts/Allocator.h:134
    #2 0x67cab5 in HttpSM::destroy() /usr/local/src/trafficserver/proxy/http/HttpSM.cc:316
    #3 0x67cab5 in HttpSM::kill_this() /usr/local/src/trafficserver/proxy/http/HttpSM.cc:6647
    #4 0x67f7d7 in HttpSM::main_handler(int, void*) /usr/local/src/trafficserver/proxy/http/HttpSM.cc:2558
    #5 0x74711d in Continuation::handleEvent(int, void*) ../../iocore/eventsystem/I_Continuation.h:146
    #6 0x74711d in HttpTunnel::main_handler(int, void*) /usr/local/src/trafficserver/proxy/http/HttpTunnel.cc:1585
    #7 0x594051 in Continuation::handleEvent(int, void*) ../iocore/eventsystem/I_Continuation.h:146
    #8 0x594051 in PluginVC::process_write_side(bool) /usr/local/src/trafficserver/proxy/PluginVC.cc:545
    #9 0x59e324 in PluginVC::main_handler(int, void*) /usr/local/src/trafficserver/proxy/PluginVC.cc:208
    #10 0xc3357e in Continuation::handleEvent(int, void*) /usr/local/src/trafficserver/iocore/eventsystem/I_Continuation.h:146
    #11 0xc3357e in EThread::process_event(Event*, int) /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:128
    #12 0xc35259 in EThread::execute() /usr/local/src/trafficserver/iocore/eventsystem/UnixEThread.cc:179
    #13 0xc32188 in spawn_thread_internal /usr/local/src/trafficserver/iocore/eventsystem/Thread.cc:86
    #14 0x2af77b75cdf4 in start_thread (/lib64/libpthread.so.0+0x7df4)

previously allocated by thread T4 ([ET_NET 3]) here:
    #0 0x2af77935b93b in __interceptor_posix_memalign ../../.././libsanitizer/asan/asan_malloc_linux.cc:130
    #1 0x2af77a244849 in ats_memalign /usr/local/src/trafficserver/lib/ts/ink_memory.cc:100
    #2 0x2af77a2451b0 in ink_freelist_new /usr/local/src/trafficserver/lib/ts/ink_queue.cc:239
    #3 0x6129a5 in ClassAllocator<HttpSM>::alloc() ../../lib/ts/Allocator.h:120
    #4 0x6129a5 in HttpSM::allocate() /usr/local/src/trafficserver/proxy/http/HttpSM.h:566
    #5 0x6129a5 in HttpClientSession::new_transaction() /usr/local/src/trafficserver/proxy/http/HttpClientSession.cc:141
    #6 0x6129a5 in HttpClientSession::start() /usr/local/src/trafficserver/proxy/http/HttpClientSession.h:63
    #7 0x60dff0 in HttpClientSession::new_connection(NetVConnection*, MIOBuffer*, IOBufferReader*, bool) /usr/local/src/trafficserver/proxy/http/HttpClientSession.cc:225
    #8 0x600328 in HttpSessionAccept::accept(NetVConnection*, MIOBuffer*, IOBufferReader*) /usr/local/src/trafficserver/proxy/http/HttpSessionAccept.cc:74
    #9 0x5ffa14 in HttpSessionAccept::mainEvent(int, void*) /usr/local/src/trafficserver/proxy/http/HttpSessionAccept.cc:86
    #10 0x58fc90 in Continuation::handleEvent(int, void*) ../iocore/eventsystem/I_Continuation.h:146
    #11 0x58fc90 in PluginVCCore::state_send_accept(int, void*) /usr/local/src/trafficserver/proxy/PluginVC.cc:1121
    #12 0x59c565 in PluginVCCore::connect() /usr/local/src/trafficserver/proxy/PluginVC.cc:1069
    #13 0x54a58b in TSHttpConnectWithPluginId /usr/local/src/trafficserver/proxy/InkAPI.cc:6093
    #14 0x4e4d6d in FetchSM::httpConnect() /usr/local/src/trafficserver/proxy/FetchSM.cc:67
    #15 0x78b0a1 in spdy_fetcher_launch /usr/local/src/trafficserver/proxy/spdy/SpdyCallbacks.cc:204
    #16 0x78b0a1 in spdy_process_syn_stream_frame /usr/local/src/trafficserver/proxy/spdy/SpdyCallbacks.cc:297
    #17 0x78b0a1 in spdy_on_ctrl_recv_callback(spdylay_session*, spdylay_frame_type, spdylay_frame*, void*) /usr/local/src/trafficserver/proxy/spdy/SpdyCallbacks.cc:317
    #18 0x2af77aef703f in spdylay_session_call_on_ctrl_frame_received /admin/src/spdylay/lib/spdylay_session.c:1634
    #19 0x2af77aef703f in spdylay_session_on_syn_stream_received /admin/src/spdylay/lib/spdylay_session.c:1782
    #20 0x3b000003e5 (+0x3a700093e5)

Thread T4 ([ET_NET 3]) created by T0 ([ET_NET 0]) here:
    #0 0x2af77932a86a in __interceptor_pthread_create ../../.././libsanitizer/asan/asan_interceptors.cc:183
    #1 0xc32e15 in ink_thread_create ../../lib/ts/ink_thread.h:150
    #2 0xc32e15 in Thread::start(char const*, unsigned long, void* (*)(void*), void*) /usr/local/src/trafficserver/iocore/eventsystem/Thread.cc:101
    #3 0xc3b466 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 0x2af77cef0af4 in __libc_start_main (/lib64/libc.so.6+0x21af4)

SUMMARY: AddressSanitizer: heap-use-after-free /usr/local/src/trafficserver/proxy/http/HttpClientSession.cc:98 HttpClientSession::destroy()
Shadow bytes around the buggy address:
  0x0c4a80710c10: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4a80710c20: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4a80710c30: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4a80710c40: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4a80710c50: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
=>0x0c4a80710c60: fd fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd fd
  0x0c4a80710c70: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4a80710c80: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4a80710c90: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4a80710ca0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c4a80710cb0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
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
==20070==ABORTING
traffic_server: using root directory '/opt/ats'
[E. Mgmt] log ==> [TrafficManager] using root directory '/opt/ats'
[Jul 29 02:36:27.744] Manager {0x7ff670b9b8c0} WARNING: Be aware that access control checks for HTTP/2 connections are not active!
[Jul 29 02:36:27.744] Manager {0x7ff670b9b8c0} WARNING: Be aware that access control checks for HTTP/2 connections are not active!
traffic_server: using root directory '/opt/ats'
{code}




--
This message was sent by Atlassian JIRA
(v6.3.4#6332)