Hi! Got SIGSEGV in ssl_subscribe function. Happens multiple times per day. Haproxy was built from trunk with commits upto: http://git.haproxy.org/?p=haproxy-2.0.git;a=commit;h=9eae8935663bc0b27c23018e8cc24ae9a3e31732
Program terminated with signal SIGSEGV, Segmentation fault. #0 ssl_subscribe (conn=0x7f51341091f0, xprt_ctx=0x0, event_type=2, param=0x7f513406c288) at src/ssl_sock.c:5570 5570 ctx->send_wait = sw; [Current thread is 1 (Thread 0x7f5140b4a700 (LWP 944418))] (gdb) thread apply all bt Thread 4 (Thread 0x7f5144567180 (LWP 944416)): #0 0x00007f5142d42a13 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x0000562e800eeb68 in _do_poll (p=<optimized out>, exp=-1911724555, wake=0) at src/ev_epoll.c:156 #2 0x0000562e8018ed59 in run_poll_loop () at src/haproxy.c:2550 #3 run_thread_poll_loop (data=<optimized out>) at src/haproxy.c:2634 #4 0x0000562e800ec8b7 in main (argc=<optimized out>, argv=0x7ffd9122f288) at src/haproxy.c:3308 Thread 3 (Thread 0x7f513bfff700 (LWP 944419)): #0 0x00007f5142d42a13 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x0000562e800eeb68 in _do_poll (p=<optimized out>, exp=-1911724555, wake=0) at src/ev_epoll.c:156 #2 0x0000562e8018ed59 in run_poll_loop () at src/haproxy.c:2550 #3 run_thread_poll_loop (data=<optimized out>) at src/haproxy.c:2634 #4 0x00007f5143d726ba in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f5142d4241d in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 2 (Thread 0x7f514134b700 (LWP 944417)): #0 0x00007f5142d42a13 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x0000562e800eeb68 in _do_poll (p=<optimized out>, exp=-1911724555, wake=0) at src/ev_epoll.c:156 #2 0x0000562e8018ed59 in run_poll_loop () at src/haproxy.c:2550 #3 run_thread_poll_loop (data=<optimized out>) at src/haproxy.c:2634 #4 0x00007f5143d726ba in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #5 0x00007f5142d4241d in clone () from /lib/x86_64-linux-gnu/libc.so.6 Thread 1 (Thread 0x7f5140b4a700 (LWP 944418)): #0 ssl_subscribe (conn=0x7f51341091f0, xprt_ctx=0x0, event_type=2, param=0x7f513406c288) at src/ssl_sock.c:5570 #1 0x0000562e801b58c9 in h1_send (h1c=h1c@entry=0x7f513406c210) at src/mux_h1.c:1932 #2 0x0000562e801b93a6 in h1_io_cb (t=<optimized out>, ctx=0x7f513406c210, status=<optimized out>) at src/mux_h1.c:2008 #3 0x0000562e80224f55 in process_runnable_tasks () at src/task.c:414 #4 0x0000562e8018ed88 in run_poll_loop () at src/haproxy.c:2513 #5 run_thread_poll_loop (data=<optimized out>) at src/haproxy.c:2634 #6 0x00007f5143d726ba in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #7 0x00007f5142d4241d in clone () from /lib/x86_64-linux-gnu/libc.so.6 HA-Proxy version 2.0.0-2 2019/06/24 - https://haproxy.org/ Build options : TARGET = linux-glibc CPU = generic CC = gcc CFLAGS = -O2 -g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -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_PCRE2=1 USE_PCRE2_JIT=1 USE_REGPARM=1 USE_GETADDRINFO=1 USE_OPENSSL=1 USE_LUA=1 USE_ZLIB=1 USE_TFO=1 USE_SYSTEMD=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=32). Built with OpenSSL version : OpenSSL 1.0.2g 1 Mar 2016 Running on OpenSSL version : OpenSSL 1.0.2g 1 Mar 2016 OpenSSL library supports TLS extensions : yes OpenSSL library supports SNI : yes OpenSSL library supports : 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 PCRE2 version : 10.21 2016-01-12 PCRE2 library supports JIT : yes Encrypted password support via crypt(3): yes Built with the Prometheus exporter as a service 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 mux=H2 h2 : mode=HTTP side=FE mux=H2 <default> : mode=HTX side=FE|BE mux=H1 <default> : mode=TCP|HTTP side=FE|BE mux=PASS Available services : prometheus-exporter Available filters : [SPOE] spoe [COMP] compression [CACHE] cache [TRACE] trace -- Best regards, Maksim Kupriianov
