Hi. Please can you try to use 1.9.5 and see if still happen.
Best regards Aleks -------- Ursprüngliche Nachricht -------- Von: "Максим Куприянов" <maxim.kupriya...@gmail.com> Gesendet: 24. März 2019 16:59:59 MEZ An: HAProxy <haproxy@formilux.org> Betreff: segfault in eb32sc_lookup_ge (1.9.4) Hi! I caught 2 segfaults on different machines. Both look the same: haproxy[483437]: segfault at 8 ip 000055d7185283fa sp 00007f257955f5b8 error 4 in haproxy[55d7183b1000+1d7000] Unfortunately I don't have core files and their configs are too big and complex to share, but I figured out, the point of segfault if it could help: pointer from segfault record: 0x000055d7185283fa - 0x55d7183b1000 = 0x1773fa (gdb) info line *0x1773fa Line 121 of "ebtree/eb32sctree.h" starts at address 0x1773fa <eb32sc_lookup_ge+90> and ends at 0x1773fe <eb32sc_lookup_ge+94>. executable info: haproxy -v HA-Proxy version 1.9.4-2 2019/02/28 - https://haproxy.org/ Build options : TARGET = linux2628 CPU = generic CC = gcc CFLAGS = -O2 -g -O2 -fPIE -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -D_FORTIFY_SOURCE=2 -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 -Wtype-limits OPTIONS = USE_GETADDRINFO=1 USE_ZLIB=1 USE_REGPARM=1 USE_OPENSSL=1 USE_LUA=1 USE_PCRE=1 USE_PCRE_JIT=1 USE_TFO=1 USE_NS=1 Default settings : maxconn = 2000, bufsize = 16384, maxrewrite = 1024, maxpollevents = 200 Built with OpenSSL version : OpenSSL 1.0.1f 6 Jan 2014 Running on OpenSSL version : OpenSSL 1.0.1f 6 Jan 2014 OpenSSL library supports TLS extensions : yes OpenSSL library supports SNI : yes OpenSSL library supports : SSLv3 TLSv1.0 TLSv1.1 TLSv1.2 Built with Lua version : Lua 5.3.1 Built with network namespace support. Built with transparent proxy support using: IP_TRANSPARENT IPV6_TRANSPARENT IP_FREEBIND Built with zlib version : 1.2.8 Running on zlib version : 1.2.8 Compression algorithms supported : identity("identity"), deflate("deflate"), raw-deflate("deflate"), gzip("gzip") Built with PCRE version : 8.31 2012-07-06 Running on PCRE version : 8.31 2012-07-06 PCRE library supports JIT : no (libpcre build without JIT?) Encrypted password support via crypt(3): yes Built with multi-threading support. 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=HTX side=FE|BE h2 : mode=HTTP side=FE <default> : mode=HTX side=FE|BE <default> : mode=TCP|HTTP side=FE|BE Available filters : [SPOE] spoe [COMP] compression [CACHE] cache [TRACE] trace -- Best regards, Maksim Kupriianov