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Posted to issues@trafficserver.apache.org by "Alan M. Carroll (JIRA)" <ji...@apache.org> on 2012/07/23 23:31:34 UTC
[jira] [Closed] (TS-1377) Range: requests will segfault
[ https://issues.apache.org/jira/browse/TS-1377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alan M. Carroll closed TS-1377.
-------------------------------
Resolution: Duplicate
> Range: requests will segfault
> -----------------------------
>
> Key: TS-1377
> URL: https://issues.apache.org/jira/browse/TS-1377
> Project: Traffic Server
> Issue Type: Bug
> Components: Cache
> Reporter: Leif Hedstrom
>
> It seems Range: requests will now always segfault. I haven't examined it thoroughly, but "od" is always NULL when we try to use it in the new code.
> E.g.
> {code}
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7ffff624c700 (LWP 829)]
> CacheVC::is_pread_capable (this=0x4f654f0) at ../../../../iocore/cache/P_CacheInternal.h:762
> 762 return od->vector.count() <= 1;
> Missing separate debuginfos, use: debuginfo-install gperftools-libs-2.0-5.fc17.x86_64
> (gdb) bt
> #0 CacheVC::is_pread_capable (this=0x4f654f0) at ../../../../iocore/cache/P_CacheInternal.h:762
> #1 0x0000000000519308 in HttpSM::do_range_setup_if_necessary (this=0x4ef62f0) at ../../../../proxy/http/HttpSM.cc:4089
> #2 0x000000000055170a in HttpTransact::build_response_from_cache (s=0x4ef6358, warning_code=HTTP_WARNING_CODE_NONE) at ../../../../proxy/http/HttpTransact.cc:2725
> #3 0x0000000000551f77 in HttpTransact::HandleCacheOpenReadHit (s=0x4ef6358) at ../../../../proxy/http/HttpTransact.cc:2636
> #4 0x000000000051e642 in HttpSM::call_transact_and_set_next_state (this=0x4ef62f0, f=<optimized out>) at ../../../../proxy/http/HttpSM.cc:6601
> #5 0x000000000052933c in HttpSM::set_next_state (this=0x4ef62f0) at ../../../../proxy/http/HttpSM.cc:6808
> #6 0x000000000052933c in HttpSM::set_next_state (this=0x4ef62f0) at ../../../../proxy/http/HttpSM.cc:6808
> #7 0x0000000000526e96 in HttpSM::state_cache_open_read (this=0x4ef62f0, event=1102, data=0x4f654f0) at ../../../../proxy/http/HttpSM.cc:2388
> #8 0x0000000000526c5d in HttpSM::main_handler (this=0x4ef62f0, event=1102, data=0x4f654f0) at ../../../../proxy/http/HttpSM.cc:2447
> #9 0x0000000000504caa in handleEvent (data=0x4f654f0, event=1102, this=<optimized out>) at ../../../../iocore/eventsystem/I_Continuation.h:146
> #10 HttpCacheSM::state_cache_open_read (this=0x4ef83e0, event=<optimized out>, data=0x4f654f0) at ../../../../proxy/http/HttpCacheSM.cc:118
> #11 0x0000000000640e3f in handleEvent (data=0x4f654f0, event=<optimized out>, this=<optimized out>) at ../../../../iocore/eventsystem/I_Continuation.h:146
> #12 CacheVC::callcont (this=0x4f654f0, event=<optimized out>) at ../../../../iocore/cache/P_CacheInternal.h:637
> #13 0x000000000063e690 in CacheVC::openReadStartHead (this=0x4f654f0, event=3900, e=0x0) at ../../../../iocore/cache/CacheRead.cc:1161
> #14 0x000000000063bfbb in handleEvent (data=0x0, event=3900, this=0x4f654f0) at ../../../../iocore/eventsystem/I_Continuation.h:146
> #15 Cache::open_read (this=<optimized out>, cont=0x4ef83e0, key=<optimized out>, request=0x4ef69e8, params=0x4ef63e0, type=<optimized out>, hostname=0x48ed831 "l.yimg.coma/lib/ycs/bench/100.bmpl.yimg.com", host_len=10) at ../../../../iocore/cache/CacheRead.cc:153
> #16 0x000000000061a0bf in Cache::open_read (this=0x114f320, cont=0x4ef83e0, url=0x4ef6a00, request=0x4ef69e8, params=<optimized out>, type=<optimized out>) at ../../../../iocore/cache/P_CacheInternal.h:1040
> #17 0x0000000000504ee4 in do_cache_open_read (this=0x4ef83e0) at ../../../../proxy/http/HttpCacheSM.cc:216
> #18 HttpCacheSM::open_read (this=0x4ef83e0, url=<optimized out>, hdr=<optimized out>, params=<optimized out>, pin_in_cache=<optimized out>) at ../../../../proxy/http/HttpCacheSM.cc:248
> #19 0x0000000000519518 in HttpSM::do_cache_lookup_and_read (this=this@entry=0x4ef62f0) at ../../../../proxy/http/HttpSM.cc:4150
> #20 0x0000000000529a99 in HttpSM::set_next_state (this=0x4ef62f0) at ../../../../proxy/http/HttpSM.cc:6738
> #21 0x000000000052933c in HttpSM::set_next_state (this=0x4ef62f0) at ../../../../proxy/http/HttpSM.cc:6808
> #22 0x0000000000529992 in HttpSM::set_next_state (this=0x4ef62f0) at ../../../../proxy/http/HttpSM.cc:6659
> #23 0x000000000052933c in HttpSM::set_next_state (this=0x4ef62f0) at ../../../../proxy/http/HttpSM.cc:6808
> #24 0x000000000052933c in HttpSM::set_next_state (this=0x4ef62f0) at ../../../../proxy/http/HttpSM.cc:6808
> #25 0x00000000005215df in HttpSM::state_read_client_request_header (this=0x4ef62f0, event=<optimized out>, data=<optimized out>) at ../../../../proxy/http/HttpSM.cc:783
> #26 0x0000000000526c5d in HttpSM::main_handler (this=0x4ef62f0, event=100, data=0x4ba4688) at ../../../../proxy/http/HttpSM.cc:2447
> #27 0x000000000066dbb3 in handleEvent (data=0x4ba4688, event=100, this=<optimized out>) at ../../../../iocore/eventsystem/I_Continuation.h:146
> #28 read_signal_and_update (vc=0x4ba4580, event=100) at ../../../../iocore/net/UnixNetVConnection.cc:138
> #29 read_from_net (nh=0x15bb1d8, vc=0x4ba4580, thread=<optimized out>) at ../../../../iocore/net/UnixNetVConnection.cc:320
> #30 0x0000000000667514 in NetHandler::mainNetEvent (this=0x15bb1d8, event=<optimized out>, e=<optimized out>) at ../../../../iocore/net/UnixNet.cc:372
> #31 0x0000000000693a65 in handleEvent (data=0x1b0dca0, event=5, this=<optimized out>) at ../../../../iocore/eventsystem/I_Continuation.h:146
> #32 process_event (e=0x1b0dca0, this=0x15b8000, calling_code=<optimized out>) at ../../../../iocore/eventsystem/UnixEThread.cc:142
> #33 EThread::execute (this=0x15b8000) at ../../../../iocore/eventsystem/UnixEThread.cc:264
> #34 0x0000000000691a82 in spawn_thread_internal (a=0x114d910) at ../../../../iocore/eventsystem/Thread.cc:88
> #35 0x00000037a1807d14 in start_thread (arg=0x7ffff624c700) at pthread_create.c:309
> #36 0x00000037a0cf199d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
> {code}
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