Just for information, If someone is working on this bug, I think that I found the origin of the crash. I check impact and the validity of the patch, and them I submit a patch
Thierry > On 25 Jun 2018, at 11:07, Thierry Fournier <[email protected]> > wrote: > > Hi, > > I freshly compile haproxy-1.9.10, and after the start, I display a lot of > segfaults. > > #0 stktable_release (t=t@entry=0x274a5a8, ts=0x0) at src/stick_table.c:419 > #1 0x000000000049a0d6 in sample_conv_in_table (arg_p=<optimized out>, > smp=0x7fffc6ed0d70, private=<optimized out>) > at src/stick_table.c:876 > #2 0x00000000004d1554 in sample_process (px=px@entry=0x32cbae0, > sess=sess@entry=0x36e13b0, > strm=strm@entry=0x365d0d0, opt=opt@entry=6, expr=0x3294540, > p=p@entry=0x7fffc6ed0d70) at src/sample.c:1082 > #3 0x00000000004f99fc in acl_exec_cond (cond=0x3707690, px=0x32cbae0, > sess=sess@entry=0x36e13b0, > strm=strm@entry=0x365d0d0, opt=6, opt@entry=2) at src/acl.c:1148 > #4 0x00000000004e6c7d in tcp_inspect_request (s=s@entry=0x365d0d0, > req=req@entry=0x365d0e0, an_bit=an_bit@entry=2) > at src/tcp_rules.c:148 > #5 0x0000000000487deb in process_stream (t=t@entry=0x8163d80) at > src/stream.c:1902 > #6 0x0000000000508b1b in process_runnable_tasks () at src/task.c:229 > #7 0x00000000004ba44b in run_poll_loop () at src/haproxy.c:2403 > #8 run_thread_poll_loop (data=data@entry=0x27d97e0) at src/haproxy.c:2470 > #9 0x000000000041b5a5 in main (argc=<optimized out>, argv=0x7fffc6ed1498) at > src/haproxy.c:3074 > > src/stick_table.c:419 > > 415 /* Just decrease the ref_cnt of the current session */ > 416 void stktable_release(struct stktable *t, struct stksess *ts) > 417 { > 418 HA_SPIN_LOCK(STK_TABLE_LOCK, &t->lock); > 419 ts->ref_cnt--; > 420 HA_SPIN_UNLOCK(STK_TABLE_LOCK, &t->lock); > 421 } > > (gdb) p ts > $1 = (struct stksess *) 0x0 > > There is basic haproxy 1.8.10 (ec17d7a98f30326918219ba876fcfc56f6ad6823) > compiled with these options: > > make -j 2 -C haproxy-1.8 \ > DEBUG="-DDEBUG_EXPR" \ > TARGET=linux2628 \ > USE_THREAD=1 \ > USE_REGPARM=1 \ > USE_SYSTEMD=1 \ > USE_LINUX_TPROXY=1 \ > USE_OPENSSL=yes \ > USE_PCRE=yes \ > USE_ZLIB=yes \ > USE_LUA=1 \ > USE_51DEGREES=1 \ > 51DEGREES_SRC=/opt/Device-Detection/src/pattern > > Tell me if you want the core & binary file. > > Thierry
