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Red Hat Bugzilla – Attachment 308967 Details for
Bug 450704
nscd segfaults
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Valgrind log of nscd getting an Illegal Instruction fault (SIGILL)
nscd.txt (text/plain), 20.28 KB, created by
Tom London
on 2008-06-11 17:25:33 UTC
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Description:
Valgrind log of nscd getting an Illegal Instruction fault (SIGILL)
Filename:
MIME Type:
Creator:
Tom London
Created:
2008-06-11 17:25:33 UTC
Size:
20.28 KB
patch
obsolete
>[root@localhost ~]# valgrind nscd -d >==4200== Memcheck, a memory error detector. >==4200== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al. >==4200== Using LibVEX rev 1804, a library for dynamic binary translation. >==4200== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP. >==4200== Using valgrind-3.3.0, a dynamic binary instrumentation framework. >==4200== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al. >==4200== For more details, rerun with: -v >==4200== >4200: Access Vector Cache (AVC) started >4200: handle_request: request received (Version = 2) from PID 4218 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4218 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4226 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4226 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4245 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4245 >4200: GETFDHST >4200: provide access to FD 10, for hosts >4200: handle_request: request received (Version = 2) from PID 4245 >4200: GETAI (news.google.com) >4200: Haven't found "news.google.com" in hosts cache! >4200: add new entry "news.google.com" of type GETAI for hosts to cache (first) >4200: pruning passwd cache; time 1213204567 >4200: considering GETPWBYUID entry "0", timeout 1213204504 >4200: Reloading "0" in password cache! >4200: considering GETPWBYNAME entry "tbl", timeout 1213204504 >4200: Reloading "tbl" in password cache! >4200: considering GETPWBYUID entry "496", timeout 1213204504 >4200: considering GETPWBYUID entry "70", timeout 1213204504 >4200: considering GETPWBYNAME entry "sshd", timeout 1213204504 >4200: Reloading "sshd" in password cache! >4200: considering GETPWBYUID entry "38", timeout 1213204504 >4200: considering GETPWBYUID entry "81", timeout 1213204504 >4200: considering GETPWBYNAME entry "avahi", timeout 1213204504 >4200: Reloading "avahi" in password cache! >4200: considering GETPWBYNAME entry "polkituser", timeout 1213204504 >4200: Reloading "polkituser" in password cache! >4200: considering GETPWBYNAME entry "dbus", timeout 1213204504 >4200: Reloading "dbus" in password cache! >4200: considering GETPWBYNAME entry "root", timeout 1213205167 >4200: considering GETPWBYUID entry "74", timeout 1213205167 >4200: considering GETPWBYUID entry "500", timeout 1213205167 >4200: considering GETPWBYNAME entry "smolt", timeout 1213204504 >4200: Reloading "smolt" in password cache! >4200: considering GETPWBYNAME entry "ntp", timeout 1213204504 >4200: Reloading "ntp" in password cache! >4200: considering GETPWBYUID entry "87", timeout 1213205167 >4200: handle_request: request received (Version = 2) from PID 4245 >4200: GETAI (mail.google.com) >4200: Haven't found "mail.google.com" in hosts cache! >4200: add new entry "mail.google.com" of type GETAI for hosts to cache (first) >4200: pruning group cache; time 1213204568 >4200: considering GETGRBYGID entry "0", timeout 1213206408 >4200: considering GETGRBYNAME entry "tbl", timeout 1213206522 >4200: considering GETGRBYGID entry "70", timeout 1213206410 >4200: considering GETGRBYGID entry "38", timeout 1213206407 >4200: considering INITGROUPS entry "avahi", timeout 1213206410 >4200: considering GETGRBYNAME entry "avahi", timeout 1213206410 >4200: considering GETGRBYNAME entry "polkituser", timeout 1213206533 >4200: considering INITGROUPS entry "root", timeout 1213206519 >4200: considering GETGRBYNAME entry "root", timeout 1213206408 >4200: considering GETGRBYNAME entry "tty", timeout 1213206539 >4200: considering GETGRBYGID entry "5", timeout 1213206539 >4200: considering GETGRBYGID entry "500", timeout 1213206522 >4200: considering INITGROUPS entry "ntp", timeout 1213206407 >4200: considering GETGRBYNAME entry "ntp", timeout 1213206407 >4200: considering GETGRBYGID entry "87", timeout 1213206533 >4200: handle_request: request received (Version = 2) from PID 4260 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4260 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: pruning hosts cache; time 1213204569 >4200: considering GETHOSTBYNAME entry "localhost", timeout 1213207745 >4200: considering GETAI entry "www.google.com", timeout 1213204492 >4200: Reloading "www.google.com" in hosts cache! >4200: add new entry "www.google.com" of type GETAI for hosts to cache (first) >4200: considering GETAI entry "l.yimg.com", timeout 1213204455 >4200: Reloading "l.yimg.com" in hosts cache! >4200: add new entry "l.yimg.com" of type GETAI for hosts to cache (first) >4200: considering GETAI entry "ocsp.thawte.com", timeout 1213207848 >4200: considering GETAI entry "us.bc.yahoo.com", timeout 1213204465 >4200: Reloading "us.bc.yahoo.com" in hosts cache! >4200: add new entry "us.bc.yahoo.com" of type GETAI for hosts to cache (first) >4200: considering GETHOSTBYADDR entry "209.85.201.19", timeout 1213207826 >4200: considering GETAI entry "lookup.avatars.yahoo.com", timeout 1213204346 >4200: Reloading "lookup.avatars.yahoo.com" in hosts cache! >4200: pruning services cache; time 1213204570 >4200: considering GETSERVBYNAME entry "ntp/udp", timeout 1213232513 >4200: considering GETAI entry "news.google.com", timeout 1213204586 >4200: considering GETAI entry "cm.my.yahoo.com", timeout 1213204352 >4200: Reloading "cm.my.yahoo.com" in hosts cache! >4200: add new entry "cm.my.yahoo.com" of type GETAI for hosts to cache (first) >4200: considering GETAI entry "mail.google.com", timeout 1213204588 >4200: considering GETAI entry "www.mail.com", timeout 1213205051 >4200: considering GETAI entry "us.i1.yimg.com", timeout 1213204297 >4200: Reloading "us.i1.yimg.com" in hosts cache! >==4200== Thread 5: >==4200== Syscall param msync(start) points to uninitialised byte(s) >==4200== at 0xC0A8AB: (within /lib/libpthread-2.8.90.so) >==4200== by 0x1494E: readdhstai (aicache.c:589) >==4200== by 0x10D09: prune_cache (cache.c:402) >==4200== by 0x5F48: nscd_run_prune (connections.c:1451) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >==4200== Address 0x9835b0b is not stack'd, malloc'd or (recently) free'd >4200: add new entry "us.i1.yimg.com" of type GETAI for hosts to cache (first) >==4200== >==4200== Syscall param msync(start) points to uninitialised byte(s) >==4200== at 0xC0A8AB: (within /lib/libpthread-2.8.90.so) >==4200== by 0x5F48: nscd_run_prune (connections.c:1451) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >==4200== Address 0x9835b0b is not stack'd, malloc'd or (recently) free'd >4200: remove GETAI entry "www.google.com" >4200: remove GETAI entry "l.yimg.com" >4200: remove GETAI entry "us.bc.yahoo.com" >4200: remove GETAI entry "cm.my.yahoo.com" >4200: remove GETAI entry "us.i1.yimg.com" >4200: freed 640 bytes in hosts cache >==4200== >==4200== Syscall param msync(start) points to uninitialised byte(s) >==4200== at 0xC0A8AB: (within /lib/libpthread-2.8.90.so) >==4200== by 0x11197: prune_cache (cache.c:521) >==4200== by 0x5F48: nscd_run_prune (connections.c:1451) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >==4200== Address 0x983588b is not stack'd, malloc'd or (recently) free'd >4200: handle_request: request received (Version = 2) from PID 4264 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4264 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4268 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4268 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4272 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4272 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: pruning hosts cache; time 1213204590 >4200: considering GETHOSTBYNAME entry "localhost", timeout 1213207745 >4200: considering GETAI entry "www.google.com", timeout 1213204589 >4200: considering GETAI entry "l.yimg.com", timeout 1213204589 >4200: considering GETAI entry "ocsp.thawte.com", timeout 1213207848 >4200: considering GETAI entry "us.bc.yahoo.com", timeout 1213204589 >4200: considering GETHOSTBYADDR entry "209.85.201.19", timeout 1213207826 >4200: considering GETAI entry "lookup.avatars.yahoo.com", timeout 1213204869 >4200: considering GETAI entry "news.google.com", timeout 1213204586 >4200: considering GETAI entry "cm.my.yahoo.com", timeout 1213204593 >4200: considering GETAI entry "mail.google.com", timeout 1213204588 >4200: considering GETAI entry "www.mail.com", timeout 1213205051 >4200: considering GETAI entry "us.i1.yimg.com", timeout 1213204593 >4200: remove GETAI entry "www.google.com" >4200: remove GETAI entry "l.yimg.com" >4200: remove GETAI entry "us.bc.yahoo.com" >4200: remove GETAI entry "news.google.com" >4200: remove GETAI entry "mail.google.com" >4200: freed 480 bytes in hosts cache >4200: handle_request: request received (Version = 2) from PID 4276 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4276 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4280 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4280 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4284 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4284 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: pruning hosts cache; time 1213204605 >4200: considering GETHOSTBYNAME entry "localhost", timeout 1213207745 >4200: considering GETAI entry "ocsp.thawte.com", timeout 1213207848 >4200: considering GETHOSTBYADDR entry "209.85.201.19", timeout 1213207826 >4200: considering GETAI entry "lookup.avatars.yahoo.com", timeout 1213204869 >4200: considering GETAI entry "cm.my.yahoo.com", timeout 1213204593 >4200: considering GETAI entry "www.mail.com", timeout 1213205051 >4200: considering GETAI entry "us.i1.yimg.com", timeout 1213204593 >4200: Reloading "us.i1.yimg.com" in hosts cache! >4200: remove GETAI entry "cm.my.yahoo.com" >4200: freed 96 bytes in hosts cache >4200: handle_request: request received (Version = 2) from PID 4288 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4288 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4245 >4200: GETAI (news.google.com) >4200: Haven't found "news.google.com" in hosts cache! >==4200== >==4200== Thread 7: >==4200== Syscall param msync(start) points to uninitialised byte(s) >==4200== at 0xC0A8AB: (within /lib/libpthread-2.8.90.so) >==4200== by 0x80CD: nscd_run_worker (connections.c:1155) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >==4200== Address 0x983564b is not stack'd, malloc'd or (recently) free'd >4200: add new entry "news.google.com" of type GETAI for hosts to cache (first) >4200: handle_request: request received (Version = 2) from PID 4292 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4292 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4296 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4296 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4300 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4300 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4304 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4304 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: pruning hosts cache; time 1213204634 >4200: considering GETHOSTBYNAME entry "localhost", timeout 1213207745 >4200: considering GETAI entry "ocsp.thawte.com", timeout 1213207848 >4200: considering GETHOSTBYADDR entry "209.85.201.19", timeout 1213207826 >4200: considering GETAI entry "lookup.avatars.yahoo.com", timeout 1213204869 >4200: considering GETAI entry "news.google.com", timeout 1213204634 >4200: considering GETAI entry "www.mail.com", timeout 1213205051 >4200: considering GETAI entry "us.i1.yimg.com", timeout 1213204624 >4200: remove GETAI entry "us.i1.yimg.com" >4200: freed 128 bytes in hosts cache >4200: handle_request: request received (Version = 2) from PID 4308 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4308 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4312 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4312 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4245 >4200: GETAI (mail.google.com) >4200: Haven't found "mail.google.com" in hosts cache! >4200: add new entry "mail.google.com" of type GETAI for hosts to cache (first) >4200: pruning hosts cache; time 1213204649 >4200: considering GETHOSTBYNAME entry "localhost", timeout 1213207745 >4200: considering GETAI entry "ocsp.thawte.com", timeout 1213207848 >4200: considering GETHOSTBYADDR entry "209.85.201.19", timeout 1213207826 >4200: considering GETAI entry "lookup.avatars.yahoo.com", timeout 1213204869 >4200: considering GETAI entry "news.google.com", timeout 1213204634 >4200: considering GETAI entry "mail.google.com", timeout 1213204666 >4200: considering GETAI entry "www.mail.com", timeout 1213205051 >4200: remove GETAI entry "news.google.com" >4200: freed 96 bytes in hosts cache >4200: handle_request: request received (Version = 2) from PID 4316 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4316 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4320 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4320 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4324 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4324 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: pruning hosts cache; time 1213204666 >4200: considering GETHOSTBYNAME entry "localhost", timeout 1213207745 >4200: considering GETAI entry "ocsp.thawte.com", timeout 1213207848 >4200: considering GETHOSTBYADDR entry "209.85.201.19", timeout 1213207826 >4200: considering GETAI entry "lookup.avatars.yahoo.com", timeout 1213204869 >4200: considering GETAI entry "mail.google.com", timeout 1213204666 >4200: considering GETAI entry "www.mail.com", timeout 1213205051 >4200: handle_request: request received (Version = 2) from PID 4328 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4328 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4332 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: handle_request: request received (Version = 2) from PID 4332 >4200: GETFDPW >4200: provide access to FD 6, for passwd >4200: pruning hosts cache; time 1213204681 >4200: considering GETHOSTBYNAME entry "localhost", timeout 1213207745 >4200: considering GETAI entry "ocsp.thawte.com", timeout 1213207848 >4200: considering GETHOSTBYADDR entry "209.85.201.19", timeout 1213207826 >4200: considering GETAI entry "lookup.avatars.yahoo.com", timeout 1213204869 >4200: considering GETAI entry "mail.google.com", timeout 1213204666 >4200: considering GETAI entry "www.mail.com", timeout 1213205051 >4200: remove GETAI entry "mail.google.com" >==4200== >==4200== Thread 5: >==4200== Conditional jump or move depends on uninitialised value(s) >==4200== at 0xACC730: obstack_free (obstack.c:364) >==4200== by 0x12433: gc (mem.c:542) >==4200== by 0x11197: prune_cache (cache.c:521) >==4200== by 0x5F48: nscd_run_prune (connections.c:1451) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >==4200== >==4200== Conditional jump or move depends on uninitialised value(s) >==4200== at 0xACC752: obstack_free (obstack.c:364) >==4200== by 0x12433: gc (mem.c:542) >==4200== by 0x11197: prune_cache (cache.c:521) >==4200== by 0x5F48: nscd_run_prune (connections.c:1451) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >==4200== >==4200== Use of uninitialised value of size 4 >==4200== at 0xACC75F: obstack_free (obstack.c:366) >==4200== by 0x12433: gc (mem.c:542) >==4200== by 0x11197: prune_cache (cache.c:521) >==4200== by 0x5F48: nscd_run_prune (connections.c:1451) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >==4200== >==4200== Conditional jump or move depends on uninitialised value(s) >==4200== at 0xACC762: obstack_free (obstack.c:367) >==4200== by 0x12433: gc (mem.c:542) >==4200== by 0x11197: prune_cache (cache.c:521) >==4200== by 0x5F48: nscd_run_prune (connections.c:1451) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >==4200== >==4200== Use of uninitialised value of size 4 >==4200== at 0xACC767: obstack_free (obstack.c:367) >==4200== by 0x12433: gc (mem.c:542) >==4200== by 0x11197: prune_cache (cache.c:521) >==4200== by 0x5F48: nscd_run_prune (connections.c:1451) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >vex x86->IR: unhandled instruction bytes: 0x6C 0x69 0x62 0x63 >==4200== valgrind: Unrecognised instruction at address 0xB94663. >==4200== Your program just tried to execute an instruction that Valgrind >==4200== did not recognise. There are two possible reasons for this. >==4200== 1. Your program has a bug and erroneously jumped to a non-code >==4200== location. If you are running Memcheck and you just saw a >==4200== warning about a bad jump, it's probably your program's fault. >==4200== 2. The instruction is legitimate but Valgrind doesn't handle it, >==4200== i.e. it's Valgrind's fault. If you think this is the case or >==4200== you are not sure, please let us know and we'll try to fix it. >==4200== Either way, Valgrind will now raise a SIGILL signal which will >==4200== probably kill your program. >==4200== >==4200== Process terminating with default action of signal 4 (SIGILL) >==4200== Illegal opcode at address 0xB94663 >==4200== at 0xB94663: (within /lib/libc-2.8.90.so) >==4200== by 0x12433: gc (mem.c:542) >==4200== by 0x11197: prune_cache (cache.c:521) >==4200== by 0x5F48: nscd_run_prune (connections.c:1451) >==4200== by 0xC0351E: start_thread (pthread_create.c:297) >==4200== by 0xB39BDD: clone (in /lib/libc-2.8.90.so) >==4200== >==4200== ERROR SUMMARY: 14 errors from 9 contexts (suppressed: 26 from 1) >==4200== malloc/free: in use at exit: 33,812 bytes in 488 blocks. >==4200== malloc/free: 1,759 allocs, 1,271 frees, 357,401 bytes allocated. >==4200== For counts of detected errors, rerun with: -v >==4200== searching for pointers to 488 not-freed blocks. >==4200== checked 19,809,264 bytes. >==4200== >==4200== LEAK SUMMARY: >==4200== definitely lost: 0 bytes in 0 blocks. >==4200== possibly lost: 1,368 bytes in 9 blocks. >==4200== still reachable: 32,444 bytes in 479 blocks. >==4200== suppressed: 0 bytes in 0 blocks. >==4200== Rerun with --leak-check=full to see details of leaked memory. >Killed >[root@localhost ~]# >
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