==19300==ERROR: AddressSanitizer: use-after-poison on address 0x7f29ace29080 at pc 0x7f29b9120720 bp 0x7f29a9063130 sp 0x7f29a90628d8
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READ of size 4096 at 0x7f29ace29080 thread T9
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#0 0x7f29b912071f in memcmp (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x7771f)
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#1 0x1a0ba07 in buf_is_zeroes(st_::span<unsigned char const>) /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0buf.cc:963
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#2 0x1746c38 in page_zip_verify_checksum(unsigned char const*, unsigned long) /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/page/page0zip.cc:5005
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#3 0x1a4851a in buf_flush_write_block_low /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0flu.cc:1075
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#4 0x1a49212 in buf_flush_page(buf_pool_t*, buf_page_t*, buf_flush_t, bool) /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0flu.cc:1259
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#5 0x1a49f2b in buf_flush_try_neighbors /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0flu.cc:1482
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#6 0x1a4a628 in buf_flush_page_and_try_neighbors /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0flu.cc:1555
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#7 0x1a4bd69 in buf_do_flush_list_batch /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0flu.cc:1813
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#8 0x1a4c649 in buf_flush_batch(buf_pool_t*, buf_flush_t, unsigned long, unsigned long, flush_counters_t*) /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0flu.cc:1882
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#9 0x1a4d207 in buf_flush_do_batch(buf_pool_t*, buf_flush_t, unsigned long, unsigned long, flush_counters_t*) /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0flu.cc:2052
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#10 0x1a5292d in pc_flush_slot /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0flu.cc:2860
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#11 0x1a5491d in buf_flush_page_cleaner_coordinator /home/buildbot/buildbot/build/mariadb-10.2.32/storage/innobase/buf/buf0flu.cc:3280
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#12 0x7f29b79636b9 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76b9)
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#13 0x7f29b6df882c in clone (/lib/x86_64-linux-gnu/libc.so.6+0x10682c)
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AddressSanitizer can not describe address in more detail (wild memory access suspected).
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SUMMARY: AddressSanitizer: use-after-poison ??:0 memcmp
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Shadow bytes around the buggy address:
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0x0fe5b59bd1c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fe5b59bd1d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fe5b59bd1e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fe5b59bd1f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fe5b59bd200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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=>0x0fe5b59bd210:[f7]00 00 00 00 00 00 00 00 00 00 00 00 00 03 f7
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0x0fe5b59bd220: 00 00 00 00 00 00 00 00 00 00 00 00 00 03 f7 00
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0x0fe5b59bd230: 00 00 00 00 00 00 00 00 00 00 00 00 03 f7 00 00
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0x0fe5b59bd240: 00 00 00 00 00 00 00 00 00 00 00 03 f7 00 00 00
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0x0fe5b59bd250: 00 00 00 00 00 00 00 00 00 00 03 f7 00 00 00 00
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0x0fe5b59bd260: 00 00 00 00 00 00 00 00 00 03 f7 00 00 00 00 00
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Shadow byte legend (one shadow byte represents 8 application bytes):
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Addressable: 00
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Partially addressable: 01 02 03 04 05 06 07
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Heap left redzone: fa
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Heap right redzone: fb
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Freed heap region: fd
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Stack left redzone: f1
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Stack mid redzone: f2
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Stack right redzone: f3
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Stack partial redzone: f4
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Stack after return: f5
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Stack use after scope: f8
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Global redzone: f9
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Global init order: f6
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Poisoned by user: f7
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Container overflow: fc
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Array cookie: ac
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Intra object redzone: bb
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ASan internal: fe
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