Hello, I run reg-tests on gcc-9 (fedora 30). I built haproxy the following way
make CC=gcc V=1 TARGET=$TARGET $FLAGS DEBUG_CFLAGS="-fsanitize=address -ggdb" LDFLAGS="-lasan" asan found couple of things *** h1 0.1 debug| #0 0x6db986 in update_log_hdr src/log.c:1399 *** h1 0.1 debug| #1 0x6db986 in __do_send_log src/log.c:1547 *** h1 0.1 debug| #2 0x6db986 in __send_log src/log.c:1764 *** h1 0.1 debug| #3 0x6e274e in strm_log src/log.c:2959 *** h1 0.1 debug| #4 0x559753 in process_stream src/stream.c:2665 *** h1 0.1 debug| #5 0x7b66b6 in process_runnable_tasks src/task.c:389 *** h1 0.1 debug| #6 0x6127f9 in run_poll_loop src/haproxy.c:2447 *** h1 0.1 debug| #7 0x6127f9 in run_thread_poll_loop src/haproxy.c:2512 *** h1 0.1 debug| #8 0x42241d in main src/haproxy.c:3183 *** h1 0.1 debug| #9 0x7f8ebc8aff32 in __libc_start_main (/lib64/libc.so.6+0x23f32) *** h1 0.1 debug| #10 0x4250bd in _start (/home/ilia/haproxy-1/haproxy+0x4250bd) *** h1 0.1 debug| *** h1 0.1 debug|0x619000003c95 is located 21 bytes inside of 1025-byte region [0x619000003c80,0x619000004081) *** h1 0.1 debug|freed by thread T0 here: *** h1 0.1 debug| #0 0x7f8ebd15c5de in realloc (/lib64/libasan.so.5+0x10e5de) *** h1 0.1 debug| #1 0x6dbd31 in my_realloc2 include/common/standard.h:1432 *** h1 0.1 debug| #2 0x6dbd31 in init_log_buffers src/log.c:1880 *** h1 0.1 debug| *** h1 0.1 debug|previously allocated by thread T0 here: *** h1 0.1 debug| #0 0x7f8ebd15c5de in realloc (/lib64/libasan.so.5+0x10e5de) *** h1 0.1 debug| #1 0x6dbd31 in my_realloc2 include/common/standard.h:1432 *** h1 0.1 debug| #2 0x6dbd31 in init_log_buffers src/log.c:1880 *** h1 0.1 debug| *** h1 0.1 debug|SUMMARY: AddressSanitizer: heap-use-after-free src/log.c:1399 in update_log_hdr *** h1 0.1 debug|================================================================= *** h1 0.1 debug|==23684==ERROR: LeakSanitizer: detected memory leaks *** h1 0.1 debug| *** h1 0.1 debug|Direct leak of 24 byte(s) in 1 object(s) allocated from: *** h1 0.1 debug| #0 0x7f9ac626f1a8 in __interceptor_malloc (/lib64/libasan.so.5+0x10e1a8) *** h1 0.1 debug| #1 0x7f9ac6076b1b (/lib64/libssl.so.1.1+0x33b1b) *** h1 0.1 debug| *** h1 0.1 debug|SUMMARY: AddressSanitizer: 24 byte(s) leaked in 1 allocation(s).
