Bug#1036213: apache2: frequent SIGSEGV in mod_http2.so (purge_consumed_buckets)
Could you get me a full backtrace of all threads? > Am 18.05.2023 um 15:04 schrieb Bastien Durel : > > Le 18/05/2023 à 14:41, Stefan Eissing a écrit : >> Did you have an warning message like "AH03516: unexpected NN streams in >> hold" at that time in out error log? > > No (grepping AH03516 in *.log returns nothing (nor does "streams in hold")) > > -- > Bastien Durel >
Bug#1036213: apache2: frequent SIGSEGV in mod_http2.so (purge_consumed_buckets)
Le 18/05/2023 à 14:41, Stefan Eissing a écrit : Did you have an warning message like "AH03516: unexpected NN streams in hold" at that time in out error log? No (grepping AH03516 in *.log returns nothing (nor does "streams in hold")) -- Bastien Durel
Bug#1036213: apache2: frequent SIGSEGV in mod_http2.so (purge_consumed_buckets)
Did you have an warning message like "AH03516: unexpected NN streams in hold" at that time in out error log? > Am 18.05.2023 um 11:04 schrieb Bastien Durel : > > Hello, > > I ran with /usr/lib/apache2/modules/mod_http2_2.0.15.so & > /usr/lib/apache2/modules/mod_proxy_http2_2.0.15.so since yesterday > 15:20, and got a SIGSEGV at 21:29:30 : it's not in > purge_consumed_buckets but it's in the h2_proxy stack ... > > Here is the bt full of the core: > > #0 0x7f9bb0464efe in ssl_io_filter_output (f=0x7f9ba02088d8, > bb=0x7f9ba04cf3b8) at ssl_engine_io.c:1963 >bucket = 0x7f9ba04c4108 >status = 0 >filter_ctx = 0x7f9ba0208880 >inctx = >outctx = 0x7f9ba0208900 >rblock = > #1 0x7f9bb0597999 in proxy_pass_brigade (flush=1, bb=, > origin=, p_conn=0x7f9ba020a0a0, bucket_alloc=) > at h2_proxy_session.c:218 >status = >transferred = 9 >status = >transferred = >e = >ap__b = > #2 raw_send (ngh2=, data=, length=9, > flags=, user_data=0x7f9ba04cf190) at h2_proxy_session.c:244 >session = 0x7f9ba04cf190 >b = >status = >flush = 1 > #3 0x7f9bb14a11f9 in nghttp2_session_send () from > /usr/lib/x86_64-linux-gnu/libnghttp2.so.14 > No symbol table info available. > #4 0x7f9bb059a9b9 in send_loop (session=0x7f9ba04cf190) at > h2_proxy_session.c:1517 >rv = > #5 h2_proxy_session_process (session=0x7f9ba04cf190) at > h2_proxy_session.c:1553 >status = >have_written = 0 >have_read = 0 >run_loop = > #6 0x7f9bb059db44 in ctx_run (ctx=0x7f9ba06014e0) at > mod_proxy_http2.c:258 >status = 0 >h2_front = >status = >h2_front = >out = > #7 proxy_http2_handler (r=, worker=, > conf=, url=, proxyname=, > proxyport=) at mod_proxy_http2.c:405 >proxy_func = >locurl = 0x7f9ba0601610 > "/dns-query?dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB" >u = >slen = >is_ssl = >status = 0 >ctx = 0x7f9ba06014e0 >uri = {scheme = 0x7f9ba0601580 "h2", hostinfo = 0x7f9ba0601588 > "doh.geekwu.org:5343", user = 0x0, password = 0x0, hostname = 0x7f9ba06015a0 > "doh.geekwu.org", port_str = 0x7f9ba06015b0 "5343", path = 0x7f9ba06015b8 > "/dns-query", > query = 0x7f9ba06015c8 > "dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB", fragment > = 0x0, hostent = 0x0, port = 5343, is_initialized = 1, dns_looked_up = 0, > dns_resolved = 0} >reconnects = >run_connect = > #8 0x7f9bb0538943 in proxy_run_scheme_handler (r=r@entry=0x7f9ba05910a0, > worker=0x7f9bb15cbbb0, conf=conf@entry=0x7f9bb15cba08, >url=0x7f9ba060134e > "h2://doh.geekwu.org:5343/dns-query?dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB", > proxyhost=proxyhost@entry=0x0, proxyport=proxyport@entry=0) at > mod_proxy.c:3437 >pHook = >n = 3 >rv = -1 > #9 0x7f9bb053a9d2 in proxy_handler (r=0x7f9ba05910a0) at mod_proxy.c:1510 >url = 0x7f9ba060134e > "h2://doh.geekwu.org:5343/dns-query?dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB" >uri = 0x7f9ba060134e > "h2://doh.geekwu.org:5343/dns-query?dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB" >scheme = 0x7f9ba0601470 "h2" >p = >p2 = 0x7f9ba0208300 "(\200 \240\233\177" >sconf = >conf = 0x7f9bb15cba08 >proxies = 0x7f9bb15cbac8 >ents = 0x7f9bb05b4688 >i = >rc = >access_status = 0 >direct_connect = >str = >maxfwd = >balancer = 0x0 >worker = 0x7f9bb15cbbb0 >attempts = 0 >max_attempts = 0 >list = >saved_status = > #10 0x556306b489d0 in ap_run_handler (r=r@entry=0x7f9ba05910a0) at > config.c:169 >pHook = >n = 1 >rv = -1 > #11 0x556306b48fc6 in ap_invoke_handler (r=r@entry=0x7f9ba05910a0) at > config.c:443 >handler = >p = >result = 0 >old_handler = 0x7f9bb054930b "proxy-server" >ignore = > #12 0x556306b619db in ap_process_async_request (r=r@entry=0x7f9ba05910a0) > at http_request.c:452 >c = 0x7f9ba06430a0 >access_status = 0 > #13 0x556306b61c1e in ap_process_request (r=r@entry=0x7f9ba05910a0) at > http_request.c:487 >bb = 0x7f9ba06434b0 >b = >c = 0x7f9ba06430a0 >rv = > #14 0x7f9bb116bbe6 in c2_process (c=0x7f9ba06430a0, > conn_ctx=0x7f9ba06434b0) at h2_c2.c:723 >cs = 0x7f9ba0643658 >tenc = >timeout = >req = 0x7f9ba04f7180 >r = 0x7f9ba05910a0 >cleanup = >req = >cs = >r = >tenc = >timeout = >cleanup = > #15 h2_c2_hook_process (c=0x7f9ba06430a0) at h2_c2.c:840 >ctx = 0x7f9
Bug#1036213: apache2: frequent SIGSEGV in mod_http2.so (purge_consumed_buckets)
Hello, I ran with /usr/lib/apache2/modules/mod_http2_2.0.15.so & /usr/lib/apache2/modules/mod_proxy_http2_2.0.15.so since yesterday 15:20, and got a SIGSEGV at 21:29:30 : it's not in purge_consumed_buckets but it's in the h2_proxy stack ... Here is the bt full of the core: #0 0x7f9bb0464efe in ssl_io_filter_output (f=0x7f9ba02088d8, bb=0x7f9ba04cf3b8) at ssl_engine_io.c:1963 bucket = 0x7f9ba04c4108 status = 0 filter_ctx = 0x7f9ba0208880 inctx = outctx = 0x7f9ba0208900 rblock = #1 0x7f9bb0597999 in proxy_pass_brigade (flush=1, bb=, origin=, p_conn=0x7f9ba020a0a0, bucket_alloc=) at h2_proxy_session.c:218 status = transferred = 9 status = transferred = e = ap__b = #2 raw_send (ngh2=, data=, length=9, flags=, user_data=0x7f9ba04cf190) at h2_proxy_session.c:244 session = 0x7f9ba04cf190 b = status = flush = 1 #3 0x7f9bb14a11f9 in nghttp2_session_send () from /usr/lib/x86_64-linux-gnu/libnghttp2.so.14 No symbol table info available. #4 0x7f9bb059a9b9 in send_loop (session=0x7f9ba04cf190) at h2_proxy_session.c:1517 rv = #5 h2_proxy_session_process (session=0x7f9ba04cf190) at h2_proxy_session.c:1553 status = have_written = 0 have_read = 0 run_loop = #6 0x7f9bb059db44 in ctx_run (ctx=0x7f9ba06014e0) at mod_proxy_http2.c:258 status = 0 h2_front = status = h2_front = out = #7 proxy_http2_handler (r=, worker=, conf=, url=, proxyname=, proxyport=) at mod_proxy_http2.c:405 proxy_func = locurl = 0x7f9ba0601610 "/dns-query?dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB" u = slen = is_ssl = status = 0 ctx = 0x7f9ba06014e0 uri = {scheme = 0x7f9ba0601580 "h2", hostinfo = 0x7f9ba0601588 "doh.geekwu.org:5343", user = 0x0, password = 0x0, hostname = 0x7f9ba06015a0 "doh.geekwu.org", port_str = 0x7f9ba06015b0 "5343", path = 0x7f9ba06015b8 "/dns-query", query = 0x7f9ba06015c8 "dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB", fragment = 0x0, hostent = 0x0, port = 5343, is_initialized = 1, dns_looked_up = 0, dns_resolved = 0} reconnects = run_connect = #8 0x7f9bb0538943 in proxy_run_scheme_handler (r=r@entry=0x7f9ba05910a0, worker=0x7f9bb15cbbb0, conf=conf@entry=0x7f9bb15cba08, url=0x7f9ba060134e "h2://doh.geekwu.org:5343/dns-query?dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB", proxyhost=proxyhost@entry=0x0, proxyport=proxyport@entry=0) at mod_proxy.c:3437 pHook = n = 3 rv = -1 #9 0x7f9bb053a9d2 in proxy_handler (r=0x7f9ba05910a0) at mod_proxy.c:1510 url = 0x7f9ba060134e "h2://doh.geekwu.org:5343/dns-query?dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB" uri = 0x7f9ba060134e "h2://doh.geekwu.org:5343/dns-query?dns=AAABAAABDHNhZmVicm93c2luZwpnb29nbGVhcGlzA2NvbQAAHAAB" scheme = 0x7f9ba0601470 "h2" p = p2 = 0x7f9ba0208300 "(\200 \240\233\177" sconf = conf = 0x7f9bb15cba08 proxies = 0x7f9bb15cbac8 ents = 0x7f9bb05b4688 i = rc = access_status = 0 direct_connect = str = maxfwd = balancer = 0x0 worker = 0x7f9bb15cbbb0 attempts = 0 max_attempts = 0 list = saved_status = #10 0x556306b489d0 in ap_run_handler (r=r@entry=0x7f9ba05910a0) at config.c:169 pHook = n = 1 rv = -1 #11 0x556306b48fc6 in ap_invoke_handler (r=r@entry=0x7f9ba05910a0) at config.c:443 handler = p = result = 0 old_handler = 0x7f9bb054930b "proxy-server" ignore = #12 0x556306b619db in ap_process_async_request (r=r@entry=0x7f9ba05910a0) at http_request.c:452 c = 0x7f9ba06430a0 access_status = 0 #13 0x556306b61c1e in ap_process_request (r=r@entry=0x7f9ba05910a0) at http_request.c:487 bb = 0x7f9ba06434b0 b = c = 0x7f9ba06430a0 rv = #14 0x7f9bb116bbe6 in c2_process (c=0x7f9ba06430a0, conn_ctx=0x7f9ba06434b0) at h2_c2.c:723 cs = 0x7f9ba0643658 tenc = timeout = req = 0x7f9ba04f7180 r = 0x7f9ba05910a0 cleanup = req = cs = r = tenc = timeout = cleanup = #15 h2_c2_hook_process (c=0x7f9ba06430a0) at h2_c2.c:840 ctx = 0x7f9ba06434b0 #16 0x556306b52730 in ap_run_process_connection (c=c@entry=0x7f9ba06430a0) at connection.c:42 pHook = n = 0 rv = -1 #17 0x7f9bb116c4d7 in h2_c2_process (c2=c2@entry=0x7f9ba06430a0, thread=thread@entry=0x7f9bafdfb0b0, worker_id=) at h2_c2.c:658 conn_ctx = 0x7f9ba06434b0 #18 0x7f9bb1187567 in slot_run (thre