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https://issues.apache.org/jira/browse/TS-4554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15334198#comment-15334198
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Leif Hedstrom commented on TS-4554:
-----------------------------------
This is from current (today) master.
> ASAN crash (stack overflow) with H2 priorities
> ----------------------------------------------
>
> Key: TS-4554
> URL: https://issues.apache.org/jira/browse/TS-4554
> Project: Traffic Server
> Issue Type: Improvement
> Components: HTTP/2
> Affects Versions: 7.0.0
> Reporter: Leif Hedstrom
> Fix For: 7.0.0
>
>
> I'm seeing (truncated):
> {code}
> ASAN:SIGSEGV
> =================================================================
> ==11178==ERROR: AddressSanitizer: stack-overflow on address 0x2aab63633ff0
> (pc 0x0000007ddaa9 bp 0x2aab63634050 sp 0x2aab63633ff0 T6)
> #0 0x7ddaa8 in
> Http2DependencyTree<Http2Stream*>::_find(Http2DependencyTree<Http2Stream*>::Node*,
> unsigned int)
> /usr/local/src/trafficserver/proxy/http2/Http2DependencyTree.h:134
> #1 0x7ddaa8 in
> Http2DependencyTree<Http2Stream*>::_find(Http2DependencyTree<Http2Stream*>::Node*,
> unsigned int)
> /usr/local/src/trafficserver/proxy/http2/Http2DependencyTree.h:140
> #2 0x7ddaa8 in
> Http2DependencyTree<Http2Stream*>::_find(Http2DependencyTree<Http2Stream*>::Node*,
> unsigned int)
> /usr/local/src/trafficserver/proxy/http2/Http2DependencyTree.h:140
> .
> .
> .
> #2261 0x7ddc34 in
> Http2DependencyTree<Http2Stream*>::_find(Http2DependencyTree<Http2Stream*>::Node*,
> unsigned int)
> /usr/local/src/trafficserver/proxy/http2/Http2DependencyTree.h:140
> #2262 0x7ddc34 in
> Http2DependencyTree<Http2Stream*>::_find(Http2DependencyTree<Http2Stream*>::Node*,
> unsigned int)
> /usr/local/src/trafficserver/proxy/http2/Http2DependencyTree.h:140
> #2263 0x7ddc34 in
> Http2DependencyTree<Http2Stream*>::_find(Http2DependencyTree<Http2Stream*>::Node*,
> unsigned int)
> /usr/local/src/trafficserver/proxy/http2/Http2DependencyTree.h:140
> SUMMARY: AddressSanitizer: stack-overflow
> /usr/local/src/trafficserver/proxy/http2/Http2DependencyTree.h:134
> Http2DependencyTree<Http2Stream*>::_find(Http2DependencyTree<Http2Stream*>::Node*,
> unsigned int)
> Thread T6 ([ET_NET 5]) created by T0 ([ET_NET 0]) here:
> #0 0x2aab5b0d50c4 in __interceptor_pthread_create
> ../../../../libsanitizer/asan/asan_interceptors.cc:179
> #1 0xcfdb99 in ink_thread_create ../../lib/ts/ink_thread.h:147
> #2 0xcfdb99 in Thread::start(char const*, unsigned long, void*
> (*)(void*), void*)
> /usr/local/src/trafficserver/iocore/eventsystem/Thread.cc:99
> #3 0xd0562e in EventProcessor::start(int, unsigned long)
> /usr/local/src/trafficserver/iocore/eventsystem/UnixEventProcessor.cc:140
> #4 0x497b59 in main /usr/local/src/trafficserver/proxy/Main.cc:1746
> #5 0x2aab5ee11b14 in __libc_start_main (/lib64/libc.so.6+0x21b14)
> ==11178==ABORTING
> {code}
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