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Locally, clang reported following odr-violation:
=================================================================
==1132009==ERROR: AddressSanitizer: odr-violation (0x555555589280):
[1] size=8 'isc__loopmgr' ../lib/isc/loop.c:52:16 in /home/ondrej/Projects/bind9/build/tests/isc/loop
[2] size=8 'isc__loopmgr' ../lib/isc/loop.c:52:16 in /home/ondrej/Projects/bind9/build/tests/isc/../../libisc.so
These globals were registered at these points:
[1]:
#0 0x7ffff785306f in __asan_register_globals ../../../../src/libsanitizer/asan/asan_globals.cpp:350
#1 0x55555556abce in _sub_I_00099_1 (/home/ondrej/Projects/bind9/build/tests/isc/loop+0x16bce) (BuildId: e7c586e966e6986532a3da40df41223ae16e55c9)
#2 0x7ffff702a303 in call_init ../csu/libc-start.c:145
#3 0x7ffff702a303 in __libc_start_main_impl ../csu/libc-start.c:347
#4 0x5555555622e4 in _start (/home/ondrej/Projects/bind9/build/tests/isc/loop+0xe2e4) (BuildId: e7c586e966e6986532a3da40df41223ae16e55c9)
[2]:
#0 0x7ffff785306f in __asan_register_globals ../../../../src/libsanitizer/asan/asan_globals.cpp:350
#1 0x7ffff75335b9 in _sub_I_00099_1 (/home/ondrej/Projects/bind9/build/tests/isc/../../libisc.so+0x1335b9) (BuildId: 33ab72bc676e9ef9111b3db1fc4347595069cd29)
#2 0x7ffff7fca71e in call_init elf/dl-init.c:74
#3 0x7ffff7fca823 in call_init elf/dl-init.c:120
#4 0x7ffff7fca823 in _dl_init elf/dl-init.c:121
#5 0x7ffff7fe459f (/lib64/ld-linux-x86-64.so.2+0x1f59f) (BuildId: 281ac1521b4102509b1c7ac7004db7c1efb81796)
==1132009==HINT: if you don't care about these errors you may set ASAN_OPTIONS=detect_odr_violation=0
SUMMARY: AddressSanitizer: odr-violation: global 'isc__loopmgr' at ../lib/isc/loop.c:52:16 in /home/ondrej/Projects/bind9/build/tests/isc/loop
==1132009==ABORTING
Aborted (core dumped)
Rename isc__loopmgr when including the loop.c into loop_test.c to
prevent odr-violation over isc__loopmgr.
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|---|---|---|
| .. | ||
| testdata/file | ||
| ascii_test.c | ||
| async_test.c | ||
| buffer_test.c | ||
| counter_test.c | ||
| dnsstream_utils_test.c | ||
| dnsstream_utils_test_data.h | ||
| doh_test.c | ||
| errno_test.c | ||
| file_test.c | ||
| hash_test.c | ||
| hashmap_nodes.h | ||
| hashmap_test.c | ||
| heap_test.c | ||
| histo_test.c | ||
| hmac_test.c | ||
| ht_test.c | ||
| job_test.c | ||
| lex_test.c | ||
| loop_test.c | ||
| md_test.c | ||
| mem_test.c | ||
| meson.build | ||
| mutex_test.c | ||
| netaddr_test.c | ||
| netmgr_common.c | ||
| netmgr_common.h | ||
| parse_test.c | ||
| proxyheader_test.c | ||
| proxyheader_test_data.h | ||
| proxystream_test.c | ||
| proxyudp_test.c | ||
| quota_test.c | ||
| radix_test.c | ||
| random_test.c | ||
| ratelimiter_test.c | ||
| regex_test.c | ||
| result_test.c | ||
| rwlock_test.c | ||
| safe_test.c | ||
| siphash_test.c | ||
| sockaddr_test.c | ||
| spinlock_test.c | ||
| stats_test.c | ||
| stream_shutdown.c | ||
| symtab_test.c | ||
| tcp_test.c | ||
| tcpdns_test.c | ||
| time_test.c | ||
| timer_test.c | ||
| tls_test.c | ||
| tlsdns_test.c | ||
| udp_test.c | ||
| uv_wrap.h | ||
| work_test.c | ||