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https://bugzilla.redhat.com/show_bug.cgi?id=748924
Description of problem: sssd_pam segmentation fault messages --------- Sep 20 09:33:19 jonah kernel: sssd_pam[1971]: segfault at 10 ip 000000000042f453 sp 00007fffbab2d780 error 4 in sssd_pam[400000+3d000] Sep 20 09:33:19 jonah abrt[10948]: saved core dump of pid 1971 (/usr/libexec/sssd/sssd_pam) to /var/spool/abrt/ccpp-1316478799- 1971.new/coredump (1568768 bytes) Sep 20 09:33:19 jonah abrtd: Directory 'ccpp-1316478799-1971' creation detected Sep 20 09:33:20 jonah sssd[pam]: Starting up Sep 20 09:33:20 jonah abrtd: New crash /var/spool/abrt/ccpp-1316478799-1971, processing Version-Release number of selected component (if applicable): RHEL6.1 kernel 2.6.32-131.0.15.el6.x86_64 sssd-1.5.1-34.el6.x86_64 How reproducible: Sometimes, the customer is trying to reproduce it, but still not sure. Nothig but core file. ---- $ tar tvzf sssd_pam_abrtlog.tar.gz -rw-r----- abrt/root 4 2011-09-20 09:33 ./analyzer -rw-r----- abrt/root 6 2011-09-20 09:33 ./architecture -rw-r----- abrt/root 4786 2011-09-20 11:45 ./backtrace -rw-r----- abrt/root 48 2011-09-20 09:33 ./cmdline -rw-r----- abrt/root 4 2011-09-20 09:33 ./component -rw-r--r-- root/root 1568768 2011-09-20 09:33 ./coredump <======= core file -rw-r----- abrt/root 359 2011-09-20 09:33 ./description -rw-r----- abrt/root 26 2011-09-20 09:33 ./executable -rw-r----- abrt/root 40 2011-09-20 11:45 ./global_uuid -rw-r----- abrt/root 5 2011-09-20 09:33 ./hostname -rw-r----- abrt/root 26 2011-09-20 09:33 ./kernel -rw-r----- abrt/root 17 2011-09-20 09:33 ./package -rw-r----- abrt/root 1 2011-09-20 11:45 ./rating -rw-r----- abrt/root 68 2011-09-20 09:33 ./reason -rw-r----- abrt/root 54 2011-09-20 09:33 ./release -rw------- root/root 12357332 2011-09-20 09:33 ./sosreport.tar.xz -rw-r----- abrt/root 10 2011-09-20 09:33 ./time -rw-r----- abrt/root 1 2011-09-20 09:33 ./uid --- Steps to Reproduce: 1. 2. 3. Actual results: Crashed with Segfault with sssd_pam Expected results: No crash. Additional info: [root@dhcp-207-132 sssd_pam_abrtlog]# gdb /usr/libexec/sssd/sssd_pam coredump <snip> Core was generated by `/usr/libexec/sssd/sssd_pam -d 0 --debug-to-files'. Program terminated with signal 11, Segmentation fault. #0 sss_packet_send (packet=0x0, fd=27) at src/responder/common/responder_packet.c:221 221 len = *packet->len - packet->iop; (gdb) info share From To Syms Read Shared Object Library 0x0000003dfb4022d0 0x0000003dfb4068a8 Yes /usr/lib64/libtevent.so.0.9.8 0x0000003dfd001870 0x0000003dfd007a18 Yes /usr/lib64/libtalloc.so.2.0.1 0x0000003e0ac01b10 0x0000003e0ac06ee8 Yes /lib64/libpopt.so.0.0.0 0x0000003dfc0074a0 0x0000003dfc026968 Yes /usr/lib64/libldb.so.0.9.10 0x0000003dfec07090 0x0000003dfec2e518 Yes /lib64/libdbus-1.so.3.4.0 0x0000003dfb002140 0x0000003dfb0055a8 Yes /lib64/librt-2.12.so 0x0000003e0b001540 0x0000003e0b01ae58 Yes /lib64/libpcre.so.0.0.1 0x0000003dfc402740 0x0000003dfc406138 Yes /usr/lib64/libini_config.so.2.0.0 0x0000003dfd802f80 0x0000003dfd808958 Yes /usr/lib64/libcollection.so.2.0.0 0x0000003dfd400980 0x0000003dfd401b48 Yes /usr/lib64/libdhash.so.1.0.0 0x0000003e0b803590 0x0000003e0b80a848 Yes /lib64/liblber-2.4.so.2.5.6 0x0000003e0c80e050 0x0000003e0c83a468 Yes /lib64/libldap-2.4.so.2.5.6 0x0000003e0fc01e30 0x0000003e0fc09cb8 Yes /usr/lib64/libtdb.so.1.2.1 0x0000003e09807b90 0x0000003e09829ed8 Yes /usr/lib64/libssl3.so 0x0000003e09c09880 0x0000003e09c219c8 Yes /usr/lib64/libsmime3.so 0x0000003e08818630 0x0000003e088fd178 Yes /usr/lib64/libnss3.so 0x0000003e08408560 0x0000003e084137e8 Yes /usr/lib64/libnssutil3.so 0x0000003e09400ea0 0x0000003e09401d58 Yes /lib64/libplds4.so 0x0000003e08c013d0 0x0000003e08c02b08 Yes /lib64/libplc4.so 0x0000003e0900cf90 0x0000003e0902c758 Yes /lib64/libnspr4.so 0x0000003dfa405640 0x0000003dfa410f28 Yes /lib64/libpthread-2.12.so 0x0000003df9c00de0 0x0000003df9c01998 Yes /lib64/libdl-2.12.so 0x0000003dfa01e9e0 0x0000003dfa13d370 Yes /lib64/libc-2.12.so 0x0000003df9800b00 0x0000003df981984b Yes /lib64/ld-2.12.so 0x0000003dfb800c80 0x0000003dfb801ee8 Yes /usr/lib64/libpath_utils.so.1.0.0 0x0000003dfc8008d0 0x0000003dfc801158 Yes /usr/lib64/libref_array.so.1.0.0 0x0000003dfbc038c0 0x0000003dfbc12558 Yes /lib64/libresolv-2.12.so 0x0000003e0a8046a0 0x0000003e0a814408 Yes /usr/lib64/libsasl2.so.2.0.23 0x0000003dfac01ef0 0x0000003dfac0d1a8 Yes /lib64/libz.so.1.2.3 0x0000003e05400c00 0x0000003e054059a8 Yes /lib64/libcrypt-2.12.so 0x0000003e06c03270 0x0000003e06c42928 Yes /lib64/libfreebl3.so 0x00007f6ea1d13270 0x00007f6ea1d19c48 Yes /usr/lib64/ldb/memberof.so (gdb) bt full #0 sss_packet_send (packet=0x0, fd=27) at src/responder/common/responder_packet.c:221 rb = <value optimized out> len = <value optimized out> buf = <value optimized out> #1 0x000000000042b74b in client_send (ev=<value optimized out>, fde=<value optimized out>, flags=<value optimized out>, ptr=<value optimized out>) at src/responder/common/responder_common.c:134 ret = <value optimized out> #2 client_fd_handler (ev=<value optimized out>, fde=<value optimized out>, flags=<value optimized out>, ptr=<value optimized out>) at src/responder/common/responder_common.c:224 cctx = 0x1a196a0 #3 0x0000003dfb405456 in epoll_event_loop (ev=<value optimized out>, location=<value optimized out>) at tevent_standard.c:309 fde = <value optimized out> flags = <value optimized out> ret = 1 i = <value optimized out> events = {{events = 4, data = {ptr = 0x1a18350, fd = 27362128, u32 = 27362128, u64 = 27362128}}} timeout = <value optimized out> #4 std_event_loop_once (ev=<value optimized out>, location=<value optimized out>) at tevent_standard.c:544 std_ev = 0x1a103e0 tval = {tv_sec = 30, tv_usec = 0} #5 0x0000003dfb4026d0 in _tevent_loop_once (ev=0x1a10320, location=0x436b75 "src/util/server.c:526") at tevent.c:490 ret = <value optimized out> nesting_stack_ptr = 0x0 #6 0x0000003dfb40273b in tevent_common_loop_wait (ev=0x1a10320, location=0x436b75 "src/util/server.c:526") at tevent.c:591 ret = <value optimized out> #7 0x0000000000425861 in server_loop (main_ctx=0x1a11420) at src/util/server.c:526 No locals. #8 0x00000000004079b0 in main (argc=<value optimized out>, argv=<value optimized out>) at src/responder/pam/pamsrv.c:230 opt = <value optimized out> pc = <value optimized out> main_ctx = 0x1a11420 ret = <value optimized out> long_options = {{longName = 0x0, shortName = 0 '\000', argInfo = 4, arg = 0x63dd20, val = 0, descrip = 0x430e02 "Help options:", argDescrip = 0x0}, {longName = 0x430e10 "debug-level", shortName = 100 'd', argInfo = 2, arg = 0x63de18, val = 0, descrip = 0x430de1 "Debug level", argDescrip = 0x0}, { longName = 0x430e1c "debug-to-files", shortName = 102 'f', argInfo = 0, arg = 0x63de1c, val = 0, descrip = 0x430f48 "Send the debug output to files instead of stderr", argDescrip = 0x0}, {longName = 0x430e2b "debug-timestamps", shortName = 0 '\000', argInfo = 2, arg = 0x63dce0, val = 0, descrip = 0x430ded "Add debug timestamps", argDescrip = 0x0}, { longName = 0x0, shortName = 0 '\000', argInfo = 0, arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}} __FUNCTION__ = "main"
Fields changed
milestone: NEEDS_TRIAGE => SSSD 1.5.15 patch: 0 => 1
owner: somebody => sgallagh
Fixed by: - a52eb1f (master) - f5379d2 (sssd-1-6) - 7923209 (sssd-1-5)
resolution: => fixed status: new => closed
rhbz: => [https://bugzilla.redhat.com/show_bug.cgi?id=748924 748924]
Metadata Update from @sgallagh: - Issue assigned to sgallagh - Issue set to the milestone: SSSD 1.5.15
SSSD is moving from Pagure to Github. This means that new issues and pull requests will be accepted only in SSSD's github repository.
This issue has been cloned to Github and is available here: - https://github.com/SSSD/sssd/issues/2103
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