Hello, when running regtests against 1.9 branch there are findings (not seen in master branch)
*** h1 0.0 debug|================================================================= *** h1 0.0 debug|==16493==ERROR: AddressSanitizer: heap-use-after-free on address 0x619000003c95 at pc 0x0000006ca207 bp 0x7ffd92124b60 sp 0x7ffd92124b50 *** h1 0.0 debug|WRITE of size 1 at 0x619000003c95 thread T0 *** h1 0.0 debug| #0 0x6ca206 in update_log_hdr src/log.c:1260 *** h1 0.0 debug| #1 0x6ca206 in __send_log src/log.c:1445 *** h1 0.0 debug| #2 0x6ca48a in send_log src/log.c:1323 *** h1 0.0 debug| #3 0x5ea73a in set_server_check_status src/checks.c:301 *** h1 0.0 debug| #4 0x5fcb64 in process_chk_conn src/checks.c:2277 *** h1 0.0 debug| #5 0x5fcb64 in process_chk src/checks.c:2349 *** h1 0.0 debug| #6 0x7a4842 in process_runnable_tasks src/task.c:390 *** h1 0.0 debug| #7 0x60e2bb in run_poll_loop src/haproxy.c:2661 *** h1 0.0 debug| #8 0x60e2bb in run_thread_poll_loop src/haproxy.c:2726 *** h1 0.0 debug| #9 0x421589 in main src/haproxy.c:3388 *** h1 0.0 debug| #10 0x7f747e82a412 in __libc_start_main (/lib64/libc.so.6+0x24412) *** h1 0.0 debug| #11 0x42530d in _start (/big/ilia/haproxy-1.9/haproxy+0x42530d) *** h1 0.0 debug| *** h1 0.0 debug|0x619000003c95 is located 21 bytes inside of 1025-byte region [0x619000003c80,0x619000004081) *** h1 0.0 debug|freed by thread T0 here: *** h1 0.0 debug| #0 0x7f747f0f6048 in __interceptor_realloc (/lib64/libasan.so.5+0xf0048) *** h1 0.0 debug| #1 0x6ca5a1 in my_realloc2 include/common/standard.h:1364 *** h1 0.0 debug| #2 0x6ca5a1 in init_log_buffers src/log.c:1710 *** h1 0.0 debug| *** h1 0.0 debug|previously allocated by thread T0 here: *** h1 0.0 debug| #0 0x7f747f0f6048 in __interceptor_realloc (/lib64/libasan.so.5+0xf0048) *** h1 0.0 debug| #1 0x6ca5a1 in my_realloc2 include/common/standard.h:1364 *** h1 0.0 debug| #2 0x6ca5a1 in init_log_buffers src/log.c:1710 *** h1 0.0 debug| *** h1 0.0 debug|SUMMARY: AddressSanitizer: heap-use-after-free src/log.c:1260 in update_log_hdr
