Could you share a frontend/backend configuration template anonymized ? ;) On Fri, Aug 29, 2014 at 5:14 PM, Romain LE DISEZ <[email protected]> wrote: > Hi, > > we are regularly hitting a bug in haproxy leading to a segfault: > [2433667.679923] haproxy[28161]: segfault at 1033eb6d4 ip 00000000004477b0 sp > 00007fff5584c8e0 error 4 in haproxy[400000+a9000] > > We are running: > - haproxy v1.5.3 with multiple frontend/backend, offload SSL ; > - on Debian 7: Linux **** 3.14-1-amd64 #1 SMP Debian 3.14.7-1 (2014-06-16) > x86_64 GNU/Linux > - inside a VMware VM (ESX 5, Intel proc) > > Because it affects only one of our clusters, we think it is caused by a > request, but we are unable to find the one responsible because of the number > of request per seconds. > > Here is a coredump. > > > > root@****:~# gdb /usr/sbin/haproxy > /tmp/core-haproxy-11-107-111-28161-1409323204 > [...] > warning: no loadable sections found in added symbol-file system-supplied DSO > at 0x7fff55909000 > Core was generated by `/usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -p > /var/run/haproxy.pid -D -sf 13'. > Program terminated with signal 11, Segmentation fault. > #0 http_skip_chunk_crlf (msg=0x388ba50) at src/proto_http.c:2113 > 2113 src/proto_http.c: No such file or directory. > (gdb) bt > #0 http_skip_chunk_crlf (msg=0x388ba50) at src/proto_http.c:2113 > #1 http_request_forward_body (s=s@entry=0x388b9a0, req=req@entry=0x343ddf0, > an_bit=an_bit@entry=8192) at src/proto_http.c:5398 > #2 0x0000000000467298 in process_session (t=0x39eb8d0) at src/session.c:1955 > #3 0x0000000000411ff5 in process_runnable_tasks (next=0x7fff5584ca1c) at > src/task.c:238 > #4 0x000000000040a25c in run_poll_loop () at src/haproxy.c:1304 > #5 0x000000000040799f in main (argc=<optimized out>, argv=<optimized out>) > at src/haproxy.c:1638 > (gdb) backtrace full > #0 http_skip_chunk_crlf (msg=0x388ba50) at src/proto_http.c:2113 > buf = 0x33f36c0 > ptr = 0x1033eb6d4 <Address 0x1033eb6d4 out of bounds> > bytes = 1 > #1 http_request_forward_body (s=s@entry=0x388b9a0, req=req@entry=0x343ddf0, > an_bit=an_bit@entry=8192) at src/proto_http.c:5398 > txn = 0x388b9e8 > msg = 0x388ba50 > #2 0x0000000000467298 in process_session (t=0x39eb8d0) at src/session.c:1955 > max_loops = <optimized out> > ana_list = 8192 > ana_back = 8192 > flags = 8389122 > s = 0x388b9a0 > rqf_last = 4194304 > rpf_last = 4194304 > rq_prod_last = 7 > rq_cons_last = 7 > rp_cons_last = 7 > rp_prod_last = 7 > req_ana_back = <optimized out> > #3 0x0000000000411ff5 in process_runnable_tasks (next=0x7fff5584ca1c) at > src/task.c:238 > t = 0x1033eb6d4 > #4 0x000000000040a25c in run_poll_loop () at src/haproxy.c:1304 > next = 573931916 > #5 0x000000000040799f in main (argc=<optimized out>, argv=<optimized out>) > at src/haproxy.c:1638 > err = <optimized out> > retry = <optimized out> > limit = {rlim_cur = 70153, rlim_max = 70153} > errmsg = > "\000\000\000\000\000\000\000\000\016\000\000\000\000\000\000\000H̄U\377\177\000\000\300̄U\377\177\000\000\025\000\000\000\000\000\000\000\067\016\273\303\317\177\000\000\001", > '\000' <repeats 15 times>, > "\001\000\000\000\000\000\000\000\270\373\261\302\317\177\000\000p\324f\002\000\000\000\000\025\000\000\000\000\000\000\000\370\214j" > pidfd = <optimized out> > > > Thanks for your help. > > > -- > Romain LE DISEZ >
-- Steven Le Roux Jabber-ID : [email protected] 0x39494CCB <[email protected]> 2FF7 226B 552E 4709 03F0 6281 72D7 A010 3949 4CCB
