Ciao, we have a working squid 4 + AD SSO, system is a centos 7 virtual server, squid it's installed from unofficial (but supported) repository http://www1.ngtech.co.il... This are the lines of the auth wrapper configuration auth_param negotiate program /usr/lib64/squid/negotiate_wrapper_auth --ntlm /usr/bin/ntlm_auth -d --diagnostics --helper-protocol=squid-2.5-ntlmssp --domain=XXXXXXXXXX --kerberos /usr/lib64/squid/negotiate_kerberos_auth -d -k /etc/squid/PROXY.keytab -s GSS_C_NO_NAME auth_param negotiate children 80 startup=40 idle=10 auth_param negotiate keep_alive off all seems to work fine except of sometime on the cache log appear a really ugly crash message: ** Error in `(negotiate_wrapper_auth)': double free or corruption (!prev): 0x00000000021c8980 *** ======= Backtrace: ========= /lib64/libc.so.6(+0x81489)[0x7fec93d8e489] (negotiate_wrapper_auth)[0x401bb1] (negotiate_wrapper_auth)[0x4016a6] /lib64/libc.so.6(__libc_start_main+0xf5)[0x7fec93d2f3d5] (negotiate_wrapper_auth)[0x40170b] ======= Memory map: ======== 00400000-00404000 r-xp 00000000 fd:00 688457 /usr/lib64/squid/negotiate_wrapper_a uth 00603000-00604000 r--p 00003000 fd:00 688457 /usr/lib64/squid/negotiate_wrapper_a uth 00604000-00605000 rw-p 00004000 fd:00 688457 /usr/lib64/squid/negotiate_wrapper_a uth 021c8000-021e9000 rw-p 00000000 00:00 0 [heap] 7fec8c000000-7fec8c021000 rw-p 00000000 00:00 0 7fec8c021000-7fec90000000 ---p 00000000 00:00 0 7fec934df000-7fec934f6000 r-xp 00000000 fd:00 8151 /usr/lib64/libpthread-2.17.so 7fec934f6000-7fec936f5000 ---p 00017000 fd:00 8151 /usr/lib64/libpthread-2.17.so 7fec936f5000-7fec936f6000 r--p 00016000 fd:00 8151 /usr/lib64/libpthread-2.17.so 7fec936f6000-7fec936f7000 rw-p 00017000 fd:00 8151 /usr/lib64/libpthread-2.17.so 7fec936f7000-7fec936fb000 rw-p 00000000 00:00 0 7fec936fb000-7fec936ff000 r-xp 00000000 fd:00 48464 /usr/lib64/libmnl.so.0.1.0 7fec936ff000-7fec938ff000 ---p 00004000 fd:00 48464 /usr/lib64/libmnl.so.0.1.0 7fec938ff000-7fec93900000 r--p 00004000 fd:00 48464 /usr/lib64/libmnl.so.0.1.0 7fec93900000-7fec93901000 rw-p 00005000 fd:00 48464 /usr/lib64/libmnl.so.0.1.0 7fec93901000-7fec93907000 r-xp 00000000 fd:00 48682 /usr/lib64/libnfnetlink.so.0.2.0 7fec93907000-7fec93b06000 ---p 00006000 fd:00 48682 /usr/lib64/libnfnetlink.so.0.2.0 7fec93b06000-7fec93b07000 r--p 00005000 fd:00 48682 /usr/lib64/libnfnetlink.so.0.2.0 7fec93b07000-7fec93b08000 rw-p 00006000 fd:00 48682 /usr/lib64/libnfnetlink.so.0.2.0 7fec93b08000-7fec93b0c000 r-xp 00000000 fd:00 17626 /usr/lib64/libattr.so.1.1.0 7fec93b0c000-7fec93d0b000 ---p 00004000 fd:00 17626 /usr/lib64/libattr.so.1.1.0 7fec93d0b000-7fec93d0c000 r--p 00003000 fd:00 17626 /usr/lib64/libattr.so.1.1.0 7fec93d0c000-7fec93d0d000 rw-p 00004000 fd:00 17626 /usr/lib64/libattr.so.1.1.0 7fec93d0d000-7fec93ecf000 r-xp 00000000 fd:00 8144 /usr/lib64/libc-2.17.so 7fec93ecf000-7fec940cf000 ---p 001c2000 fd:00 8144 /usr/lib64/libc-2.17.so 7fec940cf000-7fec940d3000 r--p 001c2000 fd:00 8144 /usr/lib64/libc-2.17.so 7fec940d3000-7fec940d5000 rw-p 001c6000 fd:00 8144 /usr/lib64/libc-2.17.so 7fec940d5000-7fec940da000 rw-p 00000000 00:00 0 7fec940da000-7fec940ef000 r-xp 00000000 fd:00 635666 /usr/lib64/libgcc_s-4.8.5-20150702.s o.1 7fec940ef000-7fec942ee000 ---p 00015000 fd:00 635666 /usr/lib64/libgcc_s-4.8.5-20150702.s o.1 7fec942ee000-7fec942ef000 r--p 00014000 fd:00 635666 /usr/lib64/libgcc_s-4.8.5-20150702.s o.1 7fec942ef000-7fec942f0000 rw-p 00015000 fd:00 635666 /usr/lib64/libgcc_s-4.8.5-20150702.s o.1 7fec942f0000-7fec943f1000 r-xp 00000000 fd:00 743856 /usr/lib64/libm-2.17.so 7fec943f1000-7fec945f0000 ---p 00101000 fd:00 743856 /usr/lib64/libm-2.17.so 7fec945f0000-7fec945f1000 r--p 00100000 fd:00 743856 /usr/lib64/libm-2.17.so 7fec945f1000-7fec945f2000 rw-p 00101000 fd:00 743856 /usr/lib64/libm-2.17.so 7fec945f2000-7fec946db000 r-xp 00000000 fd:00 191114 /usr/lib64/libstdc++.so.6.0.19 7fec946db000-7fec948da000 ---p 000e9000 fd:00 191114 /usr/lib64/libstdc++.so.6.0.19 7fec948da000-7fec948e2000 r--p 000e8000 fd:00 191114 /usr/lib64/libstdc++.so.6.0.19 7fec948e2000-7fec948e4000 rw-p 000f0000 fd:00 191114 /usr/lib64/libstdc++.so.6.0.19 7fec948e4000-7fec948f9000 rw-p 00000000 00:00 0 7fec948f9000-7fec94900000 r-xp 00000000 fd:00 8158 /usr/lib64/librt-2.17.so 7fec94900000-7fec94aff000 ---p 00007000 fd:00 8158 /usr/lib64/librt-2.17.so 7fec94aff000-7fec94b00000 r--p 00006000 fd:00 8158 /usr/lib64/librt-2.17.so 7fec94b00000-7fec94b01000 rw-p 00007000 fd:00 8158 /usr/lib64/librt-2.17.so 7fec94b01000-7fec94b1d000 r-xp 00000000 fd:00 49012 /usr/lib64/libnetfilter_conntrack.so .3.6.0 7fec94b1d000-7fec94d1c000 ---p 0001c000 fd:00 49012 /usr/lib64/libnetfilter_conntrack.so .3.6.0 7fec94d1c000-7fec94d1e000 r--p 0001b000 fd:00 49012 /usr/lib64/libnetfilter_conntrack.so .3.6.0 7fec94d1e000-7fec94d1f000 rw-p 0001d000 fd:00 49012 /usr/lib64/libnetfilter_conntrack.so .3.6.0 7fec94d1f000-7fec94d23000 r-xp 00000000 fd:00 17631 /usr/lib64/libcap.so.2.22 7fec94d23000-7fec94f22000 ---p 00004000 fd:00 17631 /usr/lib64/libcap.so.2.22 7fec94f22000-7fec94f23000 r--p 00003000 fd:00 17631 /usr/lib64/libcap.so.2.22 7fec94f23000-7fec94f24000 rw-p 00004000 fd:00 17631 /usr/lib64/libcap.so.2.22 7fec94f24000-7fec94f3a000 r-xp 00000000 fd:00 8155 /usr/lib64/libresolv-2.17.so 7fec94f3a000-7fec95139000 ---p 00016000 fd:00 8155 /usr/lib64/libresolv-2.17.so 7fec95139000-7fec9513a000 r--p 00015000 fd:00 8155 /usr/lib64/libresolv-2.17.so 7fec9513a000-7fec9513b000 rw-p 00016000 fd:00 8155 /usr/lib64/libresolv-2.17.so 7fec9513b000-7fec9513d000 rw-p 00000000 00:00 0 7fec9513d000-7fec95153000 r-xp 00000000 fd:00 743858 /usr/lib64/libnsl-2.17.so 7fec95153000-7fec95353000 ---p 00016000 fd:00 743858 /usr/lib64/libnsl-2.17.so 7fec95353000-7fec95354000 r--p 00016000 fd:00 743858 /usr/lib64/libnsl-2.17.so 7fec95354000-7fec95355000 rw-p 00017000 fd:00 743858 /usr/lib64/libnsl-2.17.so 7fec95355000-7fec95357000 rw-p 00000000 00:00 0 7fec95357000-7fec95359000 r-xp 00000000 fd:00 743854 /usr/lib64/libdl-2.17.so 7fec95359000-7fec95559000 ---p 00002000 fd:00 743854 /usr/lib64/libdl-2.17.so 7fec95559000-7fec9555a000 r--p 00002000 fd:00 743854 /usr/lib64/libdl-2.17.so 7fec9555a000-7fec9555b000 rw-p 00003000 fd:00 743854 /usr/lib64/libdl-2.17.so 7fec9555b000-7fec9557d000 r-xp 00000000 fd:00 7853 /usr/lib64/ld-2.17.so 7fec9576a000-7fec95773000 rw-p 00000000 00:00 0 7fec9577a000-7fec9577c000 rw-p 00000000 00:00 0 7fec9577c000-7fec9577d000 r--p 00021000 fd:00 7853 /usr/lib64/ld-2.17.so 7fec9577d000-7fec9577e000 rw-p 00022000 fd:00 7853 /usr/lib64/ld-2.17.so 7fec9577e000-7fec9577f000 rw-p 00000000 00:00 0 7ffe2e6d9000-7ffe2e70e000 rw-p 00000000 00:00 0 [stack] 7ffe2e7b5000-7ffe2e7b7000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] 2019/04/10 08:36:08 kid1| WARNING: negotiateauthenticator #Hlpr488 exited 2019/04/10 08:36:08 kid1| Too few negotiateauthenticator processes are running (need 10/60) 2019/04/10 08:36:08 kid1| Starting new helpers 2019/04/10 08:36:08 kid1| helperOpenServers: Starting 10/60 'negotiate_wrapper_auth' processes 2019/04/10 08:36:09 kid1| ERROR: Negotiate Authentication Helper '0/0' crashed!. 2019/04/10 08:36:09 kid1| ERROR: Negotiate Authentication validating user. Result: {result=Unknown} *** Error in `(negotiate_wrapper_auth)': double free or corruption (!prev): 0x0000000002421980 *** *** Error in `(negotiate_wrapper_auth)': double free or corruption (!prev): 0x00000000013a8980 *** ..... seems that the wrapper crash but i dont undestand why...i've tried to reduce or increase the number of childrens/startup/idle processes but the errors always appear....someone can help me to undestand this issue?? thanks Ale -- Sent from: http://squid-web-proxy-cache.1019090.n4.nabble.com/Squid-Users-f1019091.html _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
