Hi, Our HAProxy (2.0.14) started to crash, so first we upgraded to 2.0.17 but it didn't help. Below you'll find traces from coredump
Version: HA-Proxy version 2.0.17 2020/07/31 - https://haproxy.org/ Build options : TARGET = linux-glibc CPU = generic CC = gcc CFLAGS = -O0 -g -fno-strict-aliasing -Wdeclaration-after-statement -fwrapv -Wno-unused-label -Wno-sign-compare -Wno-unused-parameter -Wno-old-style-declaration -Wno-ignored-qualifiers -Wno-clobbered -Wno-missing-field-initializers -Wno-implicit-fallthrough -Wno-stringop-overflow -Wtype-limits -Wshift-negative-value -Wshift-overflow=2 -Wduplicated-cond -Wnull-dereference -DIP_BIND_ADDRESS_NO_PORT=24 -DMAX_SESS_STKCTR=12 OPTIONS = USE_PCRE=1 USE_PCRE_JIT=1 USE_REGPARM=1 USE_GETADDRINFO=1 USE_OPENSSL=1 USE_LUA=1 USE_ZLIB=1 USE_DL=1 Feature list : +EPOLL -KQUEUE -MY_EPOLL -MY_SPLICE +NETFILTER +PCRE +PCRE_JIT -PCRE2 -PCRE2_JIT +POLL -PRIVATE_CACHE +THREAD -PTHREAD_PSHARED +REGPARM -STATIC_PCRE -STATIC_PCRE2 +TPROXY +LINUX_TPROXY +LINUX_SPLICE +LIBCRYPT +CRYPT_H -VSYSCALL +GETADDRINFO +OPENSSL +LUA +FUTEX +ACCEPT4 -MY_ACCEPT4 +ZLIB -SLZ +CPU_AFFINITY +TFO +NS +DL +RT -DEVICEATLAS -51DEGREES -WURFL -SYSTEMD -OBSOLETE_LINKER +PRCTL +THREAD_DUMP -EVPORTS Default settings : bufsize = 16384, maxrewrite = 1024, maxpollevents = 200 Built with multi-threading support (MAX_THREADS=64, default=4). Built with OpenSSL version : OpenSSL 1.1.1f 31 Mar 2020 Running on OpenSSL version : OpenSSL 1.1.1f 31 Mar 2020 OpenSSL library supports TLS extensions : yes OpenSSL library supports SNI : yes OpenSSL library supports : TLSv1.0 TLSv1.1 TLSv1.2 TLSv1.3 Built with Lua version : Lua 5.3.5 Built with network namespace support. Built with transparent proxy support using: IP_TRANSPARENT IPV6_TRANSPARENT IP_FREEBIND Built with zlib version : 1.2.11 Running on zlib version : 1.2.11 Compression algorithms supported : identity("identity"), deflate("deflate"), raw-deflate("deflate"), gzip("gzip") Built with PCRE version : 8.44 2020-02-12 Running on PCRE version : 8.44 2020-02-12 PCRE library supports JIT : yes Encrypted password support via crypt(3): yes Available polling systems : epoll : pref=300, test result OK poll : pref=200, test result OK select : pref=150, test result OK Total: 3 (3 usable), will use epoll. Available multiplexer protocols : (protocols marked as <default> cannot be specified using 'proto' keyword) h2 : mode=HTTP side=FE mux=H2 h2 : mode=HTX side=FE|BE mux=H2 <default> : mode=HTX side=FE|BE mux=H1 <default> : mode=TCP|HTTP side=FE|BE mux=PASS Available services : none Available filters : [SPOE] spoe [COMP] compression [CACHE] cache [TRACE] trace Coredump fragment from thread1: (gdb) bt #0 0x000055cbbf6ed64b in h2s_notify_recv (h2s=0x7f65b8b55130) at src/mux_h2.c:783 #1 0x000055cbbf6edbc7 in h2s_close (h2s=0x7f65b8b55130) at src/mux_h2.c:921 #2 0x000055cbbf6f9745 in h2s_htx_make_trailers (h2s=0x7f65b8b55130, htx=0x7f65a9c34f20) at src/mux_h2.c:5385 #3 0x000055cbbf6fa48e in h2_snd_buf (cs=0x7f65b8c48a40, buf=0x7f65d05291b8, count=2, flags=1) at src/mux_h2.c:5694 #4 0x000055cbbf7cdde3 in si_cs_send (cs=0x7f65b8c48a40) at src/stream_interface.c:762 #5 0x000055cbbf7ce839 in stream_int_chk_snd_conn (si=0x7f65d0529478) at src/stream_interface.c:1145 #6 0x000055cbbf7cc9d6 in si_chk_snd (si=0x7f65d0529478) at include/proto/stream_interface.h:496 #7 0x000055cbbf7cd559 in stream_int_notify (si=0x7f65d05294d0) at src/stream_interface.c:510 #8 0x000055cbbf7cda33 in si_cs_process (cs=0x55cbca178f90) at src/stream_interface.c:644 #9 0x000055cbbf7cdfb1 in si_cs_io_cb (t=0x0, ctx=0x7f65d05294d0, state=1) at src/stream_interface.c:817 #10 0x000055cbbf81af32 in process_runnable_tasks () at src/task.c:415 #11 0x000055cbbf740cc0 in run_poll_loop () at src/haproxy.c:2701 #12 0x000055cbbf741188 in run_thread_poll_loop (data=0x1) at src/haproxy.c:2840 #13 0x00007f667fbdb6db in start_thread (arg=0x7f65d5556700) at pthread_create.c:463 #14 0x00007f667e764a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 (gdb) bt full #0 0x000055cbbf6ed64b in h2s_notify_recv (h2s=0x7f65b8b55130) at src/mux_h2.c:783 sw = 0xffffffff #1 0x000055cbbf6edbc7 in h2s_close (h2s=0x7f65b8b55130) at src/mux_h2.c:921 No locals. #2 0x000055cbbf6f9745 in h2s_htx_make_trailers (h2s=0x7f65b8b55130, htx=0x7f65a9c34f20) at src/mux_h2.c:5385 list = {{n = {ptr = 0x55cbbf88d18c "", len = 0}, v = {ptr = 0x7f65a9c34f20 "�?", len = 94333580136844}}, {n = {ptr = 0x7f65d5532410 " Oée\177", len = 94333579742112}, v = {ptr = 0x7f65a9c38e78 "�\001", len = 140074616573728}}, {n = { ptr = 0x55cbbf6ea203 <htx_get_blksz+24> "\211E�\213E�\203�\002t\005\203�\005u\035H\213E�\213@\004\017��H\213E�\213@\004��\b%��\017", len = 81604378627}, v = {ptr = 0x1fd00000001 <error: Cannot access memory at address 0x1fd00000001>, len = 140074616589944}}, {n = {ptr = 0x7f65a9c34f20 "�?", len = 140075347420216}, v = { ptr = 0x55cbbf82bfc0 <htx_used_space+32> "\001�H\203�\b[]�UH\211�SH\203�\bH\211}�H\213E�\213\030H\213E�H\211�����)�\211�H\203�\b[]�UH\211�H\203�\030H\211}�H\213E�H\211�����\211E�\203}�\aw\a�", len = 140074616573728}}, {n = {ptr = 0x3fd0 <error: Cannot access memory at address 0x3fd0>, len = 140075347420248}, v = { ptr = 0x55cbbf82bfe8 <htx_free_space+31> ")�\211�H\203�\b[]�UH\211�H\203�\030H\211}�H\213E�H\211�����\211E�\203}�\aw\a�", len = 2848149280}}, {n = {ptr = 0x7f65a9c34f20 "�?", len = 140075347420288}, v = { ptr = 0x55cbbf82b970 <htx_get_blk+41> "\211�H��\003H\001�H\203�\020[]�UH\211�H\211}�H\213E�\213@ \004��\034]�UH\211�H\203�\030H\211}�H\213E�H\211������\211E�\213E�\203�\002t\005\203�\005u\035H\213E�\213@ \004\017��H\213E�\213@\004��\b%��\017", len = 2848149280}}, {n = {ptr = 0x7f65a9c34f20 "�?", len = 140075347420512}, v = { ptr = 0x7f65d55324c0 "�$S�e\177", len = 94333579740367}}, {n = {ptr = 0x1a9c34fd8 <error: Cannot access memory at address 0x1a9c34fd8>, len = 140074616573728}, v = [STRIPED] I can provide more details from coredump if needed.
