Hi, not sure whether this helps, but after what felt like 500 attempts of running conntrack -L in valgrind I just captured one crash. secomat2:~ # valgrind -v conntrack -L > /dev/null ==24699== Memcheck, a memory error detector. ==24699== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al. ==24699== Using LibVEX rev 1854, a library for dynamic binary translation. ==24699== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP. ==24699== Using valgrind-3.3.1, a dynamic binary instrumentation framework. ==24699== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al. ==24699== --24699-- Command line --24699-- conntrack --24699-- -L --24699-- Startup, with flags: --24699-- -v --24699-- Contents of /proc/version: --24699-- Linux version 2.6.27.23-0.1-default (geeko@buildhost) (gcc version 4.3.2 [gcc-4_3-branch revision 141291] (SUSE Linux) ) #1 SMP 2009-05-26 17:02:05 -0400 --24699-- Arch and hwcaps: AMD64, amd64-sse2 --24699-- Page sizes: currently 4096, max supported 4096 --24699-- Valgrind library directory: /usr/lib64/valgrind --24699-- Reading syms from /usr/local/sbin/conntrack (0x400000) --24699-- Reading syms from /lib64/ld-2.9.so (0x4000000) --24699-- object doesn't have a symbol table --24699-- Reading syms from /usr/lib64/valgrind/amd64-linux/memcheck (0x38000000) --24699-- object doesn't have a symbol table --24699-- object doesn't have a dynamic symbol table --24699-- Reading suppressions file: /usr/lib64/valgrind/default.supp --24699-- Reading syms from /usr/lib64/valgrind/amd64-linux/vgpreload_core.so (0x4A1F000) --24699-- object doesn't have a symbol table --24699-- Reading syms from /usr/lib64/valgrind/amd64-linux/vgpreload_memcheck.so (0x4C21000) --24699-- object doesn't have a symbol table --24699-- Reading syms from /usr/local/lib/libnetfilter_conntrack.so.1.2.0 (0x4E2A000) --24699-- Reading syms from /usr/local/lib/libnfnetlink.so.0.2.0 (0x5043000) --24699-- Reading syms from /lib64/libc-2.9.so (0x524B000) --24699-- object doesn't have a symbol table --24699-- Reading syms from /lib64/libdl-2.9.so (0x55A4000) --24699-- object doesn't have a symbol table --24699-- REDIR: 0x52c7c30 (rindex) redirected to 0x4c25a00 (rindex) --24699-- REDIR: 0x52c93f0 (memset) redirected to 0x4c26ca0 (memset) --24699-- REDIR: 0x52c67b0 (strcmp) redirected to 0x4c26100 (strcmp) --24699-- REDIR: 0x52c7540 (strlen) redirected to 0x4c25e20 (strlen) --24699-- REDIR: 0x52c6600 (index) redirected to 0x4c25b20 (index) --24699-- REDIR: 0x52c37f0 (malloc) redirected to 0x4c255e0 (malloc) --24699-- REDIR: 0xffffffffff600400 (???) redirected to 0x3802d13d (???) --24699-- REDIR: 0x52c3430 (calloc) redirected to 0x4c233b0 (calloc) --24699-- REDIR: 0x52cad30 (memcpy) redirected to 0x4c26270 (memcpy) --24699-- REDIR: 0x52cd840 (strchrnul) redirected to 0x4c26d70 (strchrnul) --24699-- REDIR: 0x52c9f20 (mempcpy) redirected to 0x4c26dd0 (mempcpy) --24699-- REDIR: 0x52c0c00 (free) redirected to 0x4c242e0 (free) --24699-- REDIR: 0x52c7b60 (strncpy) redirected to 0x4c25f50 (strncpy) vex amd64->IR: unhandled instruction bytes: 0x6 0xDF 0xA1 0xBF 0x8 0x0 ==24699== Invalid read of size 1 ==24699== at 0x7FEFFD3E4: ??? ==24699== by 0x7FEFFD3EB: ??? ==24699== by 0x7FEFFD3F3: ??? ==24699== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==24699== ==24699== Process terminating with default action of signal 11 (SIGSEGV) ==24699== Access not within mapped region at address 0x0 ==24699== at 0x7FEFFD3E4: ??? ==24699== by 0x7FEFFD3EB: ??? ==24699== by 0x7FEFFD3F3: ??? ==24699== ==24699== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 2 from 1) ==24699== ==24699== 1 errors in context 1 of 1: ==24699== Invalid read of size 1 ==24699== at 0x7FEFFD3E4: ??? ==24699== by 0x7FEFFD3EB: ??? ==24699== by 0x7FEFFD3F3: ??? ==24699== Address 0x0 is not stack'd, malloc'd or (recently) free'd --24699-- --24699-- supp: 2 dl-hack3-cond-1 ==24699== ==24699== IN SUMMARY: 1 errors from 1 contexts (suppressed: 2 from 1) ==24699== ==24699== malloc/free: in use at exit: 984 bytes in 5 blocks. ==24699== malloc/free: 8,293 allocs, 8,288 frees, 2,586,840 bytes allocated. ==24699== ==24699== searching for pointers to 5 not-freed blocks. ==24699== checked 100,824 bytes. ==24699== ==24699== LEAK SUMMARY: ==24699== definitely lost: 0 bytes in 0 blocks. ==24699== possibly lost: 0 bytes in 0 blocks. ==24699== still reachable: 984 bytes in 5 blocks. ==24699== suppressed: 0 bytes in 0 blocks. ==24699== Rerun with --leak-check=full to see details of leaked memory. --24699-- memcheck: sanity checks: 300 cheap, 12 expensive --24699-- memcheck: auxmaps: 0 auxmap entries (0k, 0M) in use --24699-- memcheck: auxmaps_L1: 0 searches, 0 cmps, ratio 0:10 --24699-- memcheck: auxmaps_L2: 0 searches, 0 nodes --24699-- memcheck: SMs: n_issued = 64 (1024k, 1M) --24699-- memcheck: SMs: n_deissued = 0 (0k, 0M) --24699-- memcheck: SMs: max_noaccess = 524287 (8388592k, 8191M) --24699-- memcheck: SMs: max_undefined = 0 (0k, 0M) --24699-- memcheck: SMs: max_defined = 210 (3360k, 3M) --24699-- memcheck: SMs: max_non_DSM = 64 (1024k, 1M) --24699-- memcheck: max sec V bit nodes: 0 (0k, 0M) --24699-- memcheck: set_sec_vbits8 calls: 0 (new: 0, updates: 0) --24699-- memcheck: max shadow mem size: 5168k, 5M --24699-- translate: fast SP updates identified: 1,595 ( 85.4%) --24699-- translate: generic_known SP updates identified: 184 ( 9.8%) --24699-- translate: generic_unknown SP updates identified: 88 ( 4.7%) --24699-- tt/tc: 21,344 tt lookups requiring 21,427 probes --24699-- tt/tc: 21,344 fast-cache updates, 2 flushes --24699-- transtab: new 2,351 (54,368 -> 830,549; ratio 152:10) [1 scs] --24699-- transtab: dumped 0 (0 -> ??) --24699-- transtab: discarded 0 (0 -> ??) --24699-- scheduler: 30,068,731 jumps (bb entries). --24699-- scheduler: 300/37,001 major/minor sched events. --24699-- sanity: 301 cheap, 12 expensive checks. --24699-- exectx: 769 lists, 9 contexts (avg 0 per list) --24699-- exectx: 16,584 searches, 16,575 full compares (999 per 1000) --24699-- exectx: 0 cmp2, 1 cmp4, 0 cmpAll --24699-- errormgr: 3 supplist searches, 69 comparisons during search --24699-- errormgr: 3 errlist searches, 3 comparisons during search Segmentation fault Does this help any more? Bernhard -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
