[
https://issues.apache.org/jira/browse/PROTON-2792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17815762#comment-17815762
]
Martin Zlomek commented on PROTON-2792:
---------------------------------------
I actually have 2 stack traces:
(gdb) p info->si_signo
$14 = 11
(gdb) p info->_sifields._sigfault
$16 = {
si_addr = 0x8,
(gdb) p is_active_
$17 = std::unordered_set with 10 elements = {
[0] = 24,
[1] = 23,
[2] = 22,
[3] = 21,
[4] = 16,
[5] = 17,
[6] = 18,
[7] = 19,
[8] = 20
}
(gdb) p current_work_handle_
$18 = 25
{noformat}
#3 <signal handler called>
#4 0x00007f1b8eb417c6 in std::equal_to<unsigned long>::operator()
(__y=<optimized out>, __x=<optimized out>, this=<optimized out>)
at /opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/stl_function.h:370
#5 std::__detail::_Hashtable_base<unsigned long, unsigned long,
std::__detail::_Identity, std::equal_to<unsigned long>, std::hash<unsigned
long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Hashtable_traits<false, true, true> >::_M_equals (__n=...,
__c=<optimized out>, __k=<optimized out>, this=<optimized out>)
at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable_policy.h:1617
#6 std::_Hashtable<unsigned long, unsigned long, std::allocator<unsigned
long>, std::__detail::_Identity, std::equal_to<unsigned long>,
std::hash<unsigned long>, std::__detail::_Mod_range_hashing,
std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy,
std::__detail::_Hashtable_traits<false, true, true> >::_M_find_before_node
(__code=15,
__k=@0x7f1a4a4f4f78: 15, __bkt=1, this=0x158a2b80) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable.h:1840
#7 std::_Hashtable<unsigned long, unsigned long, std::allocator<unsigned
long>, std::__detail::_Identity, std::equal_to<unsigned long>,
std::hash<unsigned long>, std::__detail::_Mod_range_hashing,
std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy,
std::__detail::_Hashtable_traits<false, true, true> >::_M_find_node (__c=15,
__key=@0x7f1a4a4f4f78: 15,
__bkt=1, this=0x158a2b80) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable.h:810
#8 std::_Hashtable<unsigned long, unsigned long, std::allocator<unsigned
long>, std::__detail::_Identity, std::equal_to<unsigned long>,
std::hash<unsigned long>, std::__detail::_Mod_range_hashing,
std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy,
std::__detail::_Hashtable_traits<false, true, true> >::find
(__k=@0x7f1a4a4f4f78: 15, this=0x158a2b80)
at /opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable.h:1610
#9 std::_Hashtable<unsigned long, unsigned long, std::allocator<unsigned
long>, std::__detail::_Identity, std::equal_to<unsigned long>,
std::hash<unsigned long>, std::__detail::_Mod_range_hashing,
std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy,
std::__detail::_Hashtable_traits<false, true, true> >::count
(__k=@0x7f1a4a4f4f78: 15, this=0x158a2b80)
at /opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable.h:1657
#10 std::unordered_set<unsigned long, std::hash<unsigned long>,
std::equal_to<unsigned long>, std::allocator<unsigned long> >::count
(__x=@0x7f1a4a4f4f78: 15, this=0x158a2b80)
at /opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/unordered_set.h:686
#11 proton::container::impl::run_timer_jobs (this=0x158a2ae0)
at
/sw/cmqa/migration/PRISMA/thirdparty/qpid-proton/001.000.100/13000000.1/x86_64-el8-linux-gnu-gcc11-v11-relwithdebinfofile/_CPackGTS_Packages/workspace/RPM/BUILD/qpid-proton-0.38.0/cpp/src/proactor_container_impl.cpp:545
#12 0x00007f1b8eb443fa in proton::container::impl::dispatch
(this=this@entry=0x158a2ae0, event=0x7f1a49776980)
at
/sw/cmqa/migration/PRISMA/thirdparty/qpid-proton/001.000.100/13000000.1/x86_64-el8-linux-gnu-gcc11-v11-relwithdebinfofile/_CPackGTS_Packages/workspace/RPM/BUILD/qpid-proton-0.38.0/cpp/src/proactor_container_impl.cpp:580
#13 0x00007f1b8eb44a88 in proton::container::impl::thread (this=0x158a2ae0)
at
/sw/cmqa/migration/PRISMA/thirdparty/qpid-proton/001.000.100/13000000.1/x86_64-el8-linux-gnu-gcc11-v11-relwithdebinfofile/_CPackGTS_Packages/workspace/RPM/BUILD/qpid-proton-0.38.0/cpp/src/proactor_container_impl.cpp:768
#14 0x00007f1b8eb44f18 in proton::container::impl::run (this=0x158a2ae0,
threads=<optimized out>)
at
/sw/cmqa/migration/PRISMA/thirdparty/qpid-proton/001.000.100/13000000.1/x86_64-el8-linux-gnu-gcc11-v11-relwithdebinfofile/_CPackGTS_Packages/workspace/RPM/BUILD/qpid-proton-0.38.0/cpp/src/proactor_container_impl.cpp:814{noformat}
(gdb) p info->si_signo
$2 = 11
(gdb) p info->_sifields._sigfault
$3 = {
si_addr = 0x7f5539244216,
(gdb) p is_active_
$4 = std::unordered_set with 2 elements = {
[0] = 14,
[1] = 11403596452484277790,
[2] = 0
}
(gdb) p current_work_handle_
$5 = 16
{noformat}
#3 <signal handler called> #4 0x00007f55465147d7 in
std::__detail::_Hash_code_base<unsigned long, unsigned long,
std::__detail::_Identity, std::hash<unsigned long>,
std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
false>::_M_hash_code (__k=@0x7f5539244216: 0, this=0x15d4bae0) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable_policy.h:1219 #5
std::__detail::_Hash_code_base<unsigned long, unsigned long,
std::__detail::_Identity, std::hash<unsigned long>,
std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
false>::_M_bucket_index (__bkt_count=7, __n=..., this=0x15d4bae0) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable_policy.h:1242 #6
std::_Hashtable<unsigned long, unsigned long, std::allocator<unsigned long>,
std::__detail::_Identity, std::equal_to<unsigned long>, std::hash<unsigned
long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false,
true, true> >::_M_bucket_index (__n=..., this=0x15d4bae0) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable.h:791 #7
std::_Hashtable<unsigned long, unsigned long, std::allocator<unsigned long>,
std::__detail::_Identity, std::equal_to<unsigned long>, std::hash<unsigned
long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false,
true, true> >::_M_find_before_node (__code=14, __k=@0x7f52cc05f258: 14,
__bkt=0, this=0x15d4bae0) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable.h:1843 #8
std::_Hashtable<unsigned long, unsigned long, std::allocator<unsigned long>,
std::__detail::_Identity, std::equal_to<unsigned long>, std::hash<unsigned
long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false,
true, true> >::_M_find_node (__c=14, __key=@0x7f52cc05f258: 14, __bkt=0,
this=0x15d4bae0) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable.h:810 #9
std::_Hashtable<unsigned long, unsigned long, std::allocator<unsigned long>,
std::__detail::_Identity, std::equal_to<unsigned long>, std::hash<unsigned
long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false,
true, true> >::find (__k=@0x7f52cc05f258: 14, this=0x15d4bae0) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable.h:1610 #10
std::_Hashtable<unsigned long, unsigned long, std::allocator<unsigned long>,
std::__detail::_Identity, std::equal_to<unsigned long>, std::hash<unsigned
long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false,
true, true> >::count (__k=@0x7f52cc05f258: 14, this=0x15d4bae0) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/hashtable.h:1657 #11
std::unordered_set<unsigned long, std::hash<unsigned long>,
std::equal_to<unsigned long>, std::allocator<unsigned long> >::count
(__x=@0x7f52cc05f258: 14, this=0x15d4bae0) at
/opt/rh/gcc-toolset-11/root/usr/include/c++/11/bits/unordered_set.h:686 #12
proton::container::impl::run_timer_jobs (this=0x15d4ba40) at
/sw/cmqa/migration/PRISMA/thirdparty/qpid-proton/001.000.100/13000000.1/x86_64-el8-linux-gnu-gcc11-v11-relwithdebinfofile/_CPackGTS_Packages/workspace/RPM/BUILD/qpid-proton-0.38.0/cpp/src/proactor_container_impl.cpp:545
#13 0x00007f55465173fa in proton::container::impl::dispatch
(this=this@entry=0x15d4ba40, event=0x7f54004fbe70) at
/sw/cmqa/migration/PRISMA/thirdparty/qpid-proton/001.000.100/13000000.1/x86_64-el8-linux-gnu-gcc11-v11-relwithdebinfofile/_CPackGTS_Packages/workspace/RPM/BUILD/qpid-proton-0.38.0/cpp/src/proactor_container_impl.cpp:580
#14 0x00007f5546517a88 in proton::container::impl::thread (this=0x15d4ba40)
at
/sw/cmqa/migration/PRISMA/thirdparty/qpid-proton/001.000.100/13000000.1/x86_64-el8-linux-gnu-gcc11-v11-relwithdebinfofile/_CPackGTS_Packages/workspace/RPM/BUILD/qpid-proton-0.38.0/cpp/src/proactor_container_impl.cpp:768
#15 0x00007f5546517f18 in proton::container::impl::run (this=0x15d4ba40,
threads=<optimized out>) at
/sw/cmqa/migration/PRISMA/thirdparty/qpid-proton/001.000.100/13000000.1/x86_64-el8-linux-gnu-gcc11-v11-relwithdebinfofile/_CPackGTS_Packages/workspace/RPM/BUILD/qpid-proton-0.38.0/cpp/src/proactor_container_impl.cpp:814
{noformat}
> [cpp] Segmentation fault in container::impl::run_timer_jobs
> -----------------------------------------------------------
>
> Key: PROTON-2792
> URL: https://issues.apache.org/jira/browse/PROTON-2792
> Project: Qpid Proton
> Issue Type: Bug
> Components: cpp-binding
> Affects Versions: proton-c-0.38.0
> Reporter: Martin Zlomek
> Priority: Major
>
> PROTON-2438 introduced a race condition in
> [reading|https://github.com/DreamPearl/qpid-proton/blob/8142e3cecd9f668992e76a5448afc09fd7b1030a/cpp/src/proactor_container_impl.cpp#L545]
> /
> [writing|https://github.com/DreamPearl/qpid-proton/blob/8142e3cecd9f668992e76a5448afc09fd7b1030a/cpp/src/proactor_container_impl.cpp#L547]
> {{is_active_}} in
> [{{run_timer_jobs()}}|https://github.com/DreamPearl/qpid-proton/blob/8142e3cecd9f668992e76a5448afc09fd7b1030a/cpp/src/proactor_container_impl.cpp#L498]
> while modifying it in
> [{{schedule()}}|https://github.com/DreamPearl/qpid-proton/blob/8142e3cecd9f668992e76a5448afc09fd7b1030a/cpp/src/proactor_container_impl.cpp#L455]
> or
> [{{cancel()}}|https://github.com/DreamPearl/qpid-proton/blob/8142e3cecd9f668992e76a5448afc09fd7b1030a/cpp/src/proactor_container_impl.cpp#L473]
> at the same time.
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