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Posted to issues@trafficserver.apache.org by "Leif Hedstrom (JIRA)" <ji...@apache.org> on 2015/07/18 12:20:05 UTC
[jira] [Resolved] (TS-3775) ASAN crash while running regression
test Cache_vol
[ https://issues.apache.org/jira/browse/TS-3775?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Leif Hedstrom resolved TS-3775.
-------------------------------
Resolution: Duplicate
> ASAN crash while running regression test Cache_vol
> --------------------------------------------------
>
> Key: TS-3775
> URL: https://issues.apache.org/jira/browse/TS-3775
> Project: Traffic Server
> Issue Type: Bug
> Components: Cache
> Reporter: Susan Hinrichs
> Attachments: ts-3775.diff
>
>
> Seen while running master built with ASAN on FC 21. I have a patch which I'll attach and discuss in comment.
> {code}
> REGRESSION TEST Cache_vol started
> RPRINT Cache_vol: 1 128 Megabyte Volumes
> RPRINT Cache_vol: Not enough space for 10 volume
> RPRINT Cache_vol: Random Volumes after clearing the disks
> RPRINT Cache_vol: volume=1 scheme=http size=128
> RPRINT Cache_vol: Random Volumes without clearing the disks
> RPRINT Cache_vol: volume=1 scheme=rtsp size=128
> =================================================================
> ==4513==ERROR: AddressSanitizer: heap-use-after-free on address 0x60400008e9e0 at pc 0x989546 bp 0x7fffef2a59b0 sp 0x7fffef2a59a0
> READ of size 8 at 0x60400008e9e0 thread T2 ([ET_NET 1])
> #0 0x989545 in cplist_update /home/shinrich/ats/iocore/cache/Cache.cc:2702
> #1 0x989545 in cplist_reconfigure() /home/shinrich/ats/iocore/cache/Cache.cc:2846
> #2 0x9d1186 in execute_and_verify(RegressionTest*) /home/shinrich/ats/iocore/cache/CacheHosting.cc:996
> #3 0x9d2229 in RegressionTest_Cache_vol(RegressionTest*, int, int*) /home/shinrich/ats/iocore/cache/CacheHosting.cc:842
> #4 0x7ffff6cb55f1 in start_test /home/shinrich/ats/lib/ts/Regression.cc:78
> #5 0x7ffff6cb55f1 in RegressionTest::run_some() /home/shinrich/ats/lib/ts/Regression.cc:126
> #6 0x7ffff6cb5b00 in RegressionTest::check_status() /home/shinrich/ats/lib/ts/Regression.cc:141
> #7 0x5404fb in RegressionCont::mainEvent(int, Event*) /home/shinrich/ats/proxy/Main.cc:1210
> #8 0xb6b771 in Continuation::handleEvent(int, void*) /home/shinrich/ats/iocore/eventsystem/I_Continuation.h:146
> #9 0xb6b771 in EThread::process_event(Event*, int) /home/shinrich/ats/iocore/eventsystem/UnixEThread.cc:128
> #10 0xb6d3a6 in EThread::execute() /home/shinrich/ats/iocore/eventsystem/UnixEThread.cc:207
> #11 0xb69da1 in spawn_thread_internal /home/shinrich/ats/iocore/eventsystem/Thread.cc:86
> #12 0x7ffff5e27529 in start_thread (/lib64/libpthread.so.0+0x7529)
> #13 0x7ffff464922c in __clone (/lib64/libc.so.6+0x10022c)
> 0x60400008e9e0 is located 16 bytes inside of 40-byte region [0x60400008e9d0,0x60400008e9f8)
> freed by thread T2 ([ET_NET 1]) here:
> #0 0x7ffff6f5764f in operator delete(void*) (/lib64/libasan.so.1+0x5864f)
> #1 0x9c84ac in CacheDisk::delete_volume(int) /home/shinrich/ats/iocore/cache/CacheDisk.cc:330
> #2 0x989455 in cplist_update /home/shinrich/ats/iocore/cache/Cache.cc:2684
> #3 0x989455 in cplist_reconfigure() /home/shinrich/ats/iocore/cache/Cache.cc:2846
> #4 0x9d1186 in execute_and_verify(RegressionTest*) /home/shinrich/ats/iocore/cache/CacheHosting.cc:996
> #5 0x9d2229 in RegressionTest_Cache_vol(RegressionTest*, int, int*) /home/shinrich/ats/iocore/cache/CacheHosting.cc:842
> #6 0x7ffff6cb55f1 in start_test /home/shinrich/ats/lib/ts/Regression.cc:78
> #7 0x7ffff6cb55f1 in RegressionTest::run_some() /home/shinrich/ats/lib/ts/Regression.cc:126
> #8 0x7ffff6cb5b00 in RegressionTest::check_status() /home/shinrich/ats/lib/ts/Regression.cc:141
> #9 0x5404fb in RegressionCont::mainEvent(int, Event*) /home/shinrich/ats/proxy/Main.cc:1210
> #10 0xb6b771 in Continuation::handleEvent(int, void*) /home/shinrich/ats/iocore/eventsystem/I_Continuation.h:146
> #11 0xb6b771 in EThread::process_event(Event*, int) /home/shinrich/ats/iocore/eventsystem/UnixEThread.cc:128
> #12 0xb6d3a6 in EThread::execute() /home/shinrich/ats/iocore/eventsystem/UnixEThread.cc:207
> #13 0xb69da1 in spawn_thread_internal /home/shinrich/ats/iocore/eventsystem/Thread.cc:86
> #14 0x7ffff5e27529 in start_thread (/lib64/libpthread.so.0+0x7529)
> previously allocated by thread T2 ([ET_NET 1]) here:
> #0 0x7ffff6f5714f in operator new(unsigned long) (/lib64/libasan.so.1+0x5814f)
> #1 0x9c770d in CacheDisk::create_volume(int, long, int) /home/shinrich/ats/iocore/cache/CacheDisk.cc:296
> #2 0x98347e in create_volume /home/shinrich/ats/iocore/cache/Cache.cc:3023
> #3 0x989b41 in cplist_reconfigure() /home/shinrich/ats/iocore/cache/Cache.cc:2877
> #4 0x9d1186 in execute_and_verify(RegressionTest*) /home/shinrich/ats/iocore/cache/CacheHosting.cc:996
> #5 0x9d2229 in RegressionTest_Cache_vol(RegressionTest*, int, int*) /home/shinrich/ats/iocore/cache/CacheHosting.cc:842
> #6 0x7ffff6cb55f1 in start_test /home/shinrich/ats/lib/ts/Regression.cc:78
> #7 0x7ffff6cb55f1 in RegressionTest::run_some() /home/shinrich/ats/lib/ts/Regression.cc:126
> #8 0x7ffff6cb5b00 in RegressionTest::check_status() /home/shinrich/ats/lib/ts/Regression.cc:141
> #9 0x5404fb in RegressionCont::mainEvent(int, Event*) /home/shinrich/ats/proxy/Main.cc:1210
> #10 0xb6b771 in Continuation::handleEvent(int, void*) /home/shinrich/ats/iocore/eventsystem/I_Continuation.h:146
> #11 0xb6b771 in EThread::process_event(Event*, int) /home/shinrich/ats/iocore/eventsystem/UnixEThread.cc:128
> #12 0xb6d3a6 in EThread::execute() /home/shinrich/ats/iocore/eventsystem/UnixEThread.cc:207
> #13 0xb69da1 in spawn_thread_internal /home/shinrich/ats/iocore/eventsystem/Thread.cc:86
> #14 0x7ffff5e27529 in start_thread (/lib64/libpthread.so.0+0x7529)
> Thread T2 ([ET_NET 1]) created by T0 ([ET_NET 0]) here:
> #0 0x7ffff6f22dba in pthread_create (/lib64/libasan.so.1+0x23dba)
> #1 0xb6aa88 in ink_thread_create ../../lib/ts/ink_thread.h:150
> #2 0xb6aa88 in Thread::start(char const*, unsigned long, void* (*)(void*), void*) /home/shinrich/ats/iocore/eventsystem/Thread.cc:101
> #3 0xb721a1 in EventProcessor::start(int, unsigned long) /home/shinrich/ats/iocore/eventsystem/UnixEventProcessor.cc:140
> #4 0x53dc23 in main /home/shinrich/ats/proxy/Main.cc:1624
> #5 0x7ffff4568fdf in __libc_start_main (/lib64/libc.so.6+0x1ffdf)
> SUMMARY: AddressSanitizer: heap-use-after-free /home/shinrich/ats/iocore/cache/Cache.cc:2702 cplist_update
> Shadow bytes around the buggy address:
> 0x0c0880009ce0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
> 0x0c0880009cf0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
> 0x0c0880009d00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
> 0x0c0880009d10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
> 0x0c0880009d20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
> =>0x0c0880009d30: fa fa 00 00 00 00 00 00 fa fa fd fd[fd]fd fd fa
> 0x0c0880009d40: fa fa fd fd fd fd fd fd fa fa 00 00 00 00 00 fa
> 0x0c0880009d50: fa fa fd fd fd fd fd fa fa fa 00 00 00 00 00 fa
> 0x0c0880009d60: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fd
> 0x0c0880009d70: fa fa fd fd fd fd fd fa fa fa fd fd fd fd fd fd
> 0x0c0880009d80: fa fa 00 00 00 00 00 05 fa fa 00 00 00 00 00 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
> ==4513==ABORTING
> {code}
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