[Samba] Core dumped on Samba 4.14.9

Patrick Goetz pgoetz at math.utexas.edu
Sat Apr 2 10:29:13 UTC 2022


"suddenly" indicates that you probably have a hardware problem, most 
likely bad memory. To guarantee that it's not bit rot (file errors on 
your disk) you could try re-installing the Samba packages, but bad 
memory seems like a more likely candidate for this problem.

On 4/1/22 08:48, Thomas Kamalakis via samba wrote:
> Hi
> 
>    I suddenly started getting segmentation faults in the primary DC. Does
> anyone know how to deal with this? This is a production environment.
> 
> samba-tool user show thkam
> ===============================================================
> INTERNAL ERROR: Signal 11: Segmentation fault in pid 1229 (4.14.9)
> If you are running a recent Samba version, and if you think this problem is
> not yet fixed in the latest versions, please consider reporting this bug,
> see https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwiki.samba.org%2Findex.php%2FBug_Reporting&data=04%7C01%7C%7Cc45ba0c420554ec7682708da13e6803d%7C31d7e2a5bdd8414e9e97bea998ebdfe1%7C0%7C0%7C637844177970561365%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=uBu2waf%2FVxRVyZN%2B4pjSApTS6w6OTzSm4Gz0UzqUYzU%3D&reserved=0
> ===============================================================
> PANIC (pid 1229): Signal 11: Segmentation fault in 4.14.9
> BACKTRACE:
>   #0 log_stack_trace + 0x3b [ip=0x7fc1ff4b2fff] [sp=0x7ffcc6d3f8e0]
>   #1 smb_panic_log + 0x1b5 [ip=0x7fc1ff4b2f73] [sp=0x7ffcc6d401f0]
>   #2 smb_panic + 0x1c [ip=0x7fc1ff4b2f92] [sp=0x7ffcc6d40210]
>   #3 fault_report + 0x91 [ip=0x7fc1ff4b2a96] [sp=0x7ffcc6d40230]
>   #4 sig_fault + 0x19 [ip=0x7fc1ff4b2aaf] [sp=0x7ffcc6d402e0]
>   #5 killpg + 0x40 [ip=0x7fc2005a30c0] [sp=0x7ffcc6d40300]
>   #6 _dl_rtld_di_serinfo + 0x29f0 [ip=0x7fc20076ba80] [sp=0x7ffcc6d408c0]
>   #7 _dl_find_dso_for_object + 0xadc [ip=0x7fc200773f5c] [sp=0x7ffcc6d409d0]
>   #8 _dl_catch_exception + 0x88 [ip=0x7fc2006c0838] [sp=0x7ffcc6d40b30]
>   #9 _dl_find_dso_for_object + 0x17a [ip=0x7fc2007735fa] [sp=0x7ffcc6d40c50]
>   #10 <unknown symbol> [ip=0x7fc20053834c] [sp=0x7ffcc6d40d00]
>   #11 _dl_catch_exception + 0x88 [ip=0x7fc2006c0838] [sp=0x7ffcc6d40d20]
>   #12 _dl_catch_error + 0x33 [ip=0x7fc2006c0903] [sp=0x7ffcc6d40e40]
>   #13 dlerror + 0x319 [ip=0x7fc200538b59] [sp=0x7ffcc6d40e80]
>   #14 dlopen + 0x4a [ip=0x7fc2005383da] [sp=0x7ffcc6d40ea0]
>   #15 ldb_modules_load_path + 0x3a9 [ip=0x7fc1ffb19471] [sp=0x7ffcc6d40ee0]
>   #16 ldb_modules_load_dir + 0x2e0 [ip=0x7fc1ffb1984a] [sp=0x7ffcc6d40fd0]
>   #17 ldb_modules_load_path + 0x373 [ip=0x7fc1ffb1943b] [sp=0x7ffcc6d41030]
>   #18 ldb_modules_load + 0xc1 [ip=0x7fc1ffb19a7e] [sp=0x7ffcc6d41120]
>   #19 ldb_init + 0x49 [ip=0x7fc1ffb11f47] [sp=0x7ffcc6d41170]
>   #20 samba_ldb_init + 0x33 [ip=0x7fc1fb971254] [sp=0x7ffcc6d411b0]
>   #21 ldb_wrap_connect + 0x43 [ip=0x7fc1fb9717a6] [sp=0x7ffcc6d41200]
>   #22 secrets_db_connect + 0x42 [ip=0x7fc1fc86c182] [sp=0x7ffcc6d41250]
>   #23 cli_credentials_set_secrets_lct + 0xbf [ip=0x7fc1fc863126]
> [sp=0x7ffcc6d41280]
>   #24 cli_credentials_set_machine_account_db_ctx + 0x40e [ip=0x7fc1fc863c67]
> [sp=0x7ffcc6d41370]
>   #25 cli_credentials_set_machine_account + 0xd4 [ip=0x7fc1fc863857]
> [sp=0x7ffcc6d41440]
>   #26 py_creds_set_machine_account + 0x142 [ip=0x7fc1ffcab019]
> [sp=0x7ffcc6d41480]
>   #27 PyDescr_NewMember + 0x28fd [ip=0x504c7d] [sp=0x7ffcc6d414e0]
>   #28 _PyEval_EvalFrameDefault + 0x85a [ip=0x56b1da] [sp=0x7ffcc6d41520]
>   #29 _PyEval_EvalCodeWithName + 0x26a [ip=0x56939a] [sp=0x7ffcc6d41650]
>   #30 PyMethod_New + 0x490 [ip=0x50aaa0] [sp=0x7ffcc6d41710]
>   #31 _PyEval_EvalFrameDefault + 0x190c [ip=0x56c28c] [sp=0x7ffcc6d41810]
>   #32 _PyEval_EvalCodeWithName + 0x26a [ip=0x56939a] [sp=0x7ffcc6d41940]
>   #33 _PyFunction_Vectorcall + 0x393 [ip=0x5f6a13] [sp=0x7ffcc6d41a00]
>   #34 PyMethod_New + 0x939 [ip=0x50af49] [sp=0x7ffcc6d41ab0]
>   #35 PyObject_Call + 0x1f7 [ip=0x5f3547] [sp=0x7ffcc6d41b60]
>   #36 _PyEval_EvalFrameDefault + 0x1f4d [ip=0x56c8cd] [sp=0x7ffcc6d41bb0]
>   #37 _PyEval_EvalCodeWithName + 0x26a [ip=0x56939a] [sp=0x7ffcc6d41ce0]
>   #38 _PyFunction_Vectorcall + 0x393 [ip=0x5f6a13] [sp=0x7ffcc6d41da0]
>   #39 PyMethod_New + 0x41c [ip=0x50aa2c] [sp=0x7ffcc6d41e50]
>   #40 PyObject_Call + 0x1f7 [ip=0x5f3547] [sp=0x7ffcc6d41f00]
>   #41 _PyEval_EvalFrameDefault + 0x1f4d [ip=0x56c8cd] [sp=0x7ffcc6d41f50]
>   #42 _PyEval_EvalCodeWithName + 0x26a [ip=0x56939a] [sp=0x7ffcc6d42080]
>   #43 _PyFunction_Vectorcall + 0x393 [ip=0x5f6a13] [sp=0x7ffcc6d42140]
>   #44 PyMethod_New + 0x41c [ip=0x50aa2c] [sp=0x7ffcc6d421f0]
>   #45 PyObject_Call + 0x1f7 [ip=0x5f3547] [sp=0x7ffcc6d422a0]
>   #46 _PyEval_EvalFrameDefault + 0x1f4d [ip=0x56c8cd] [sp=0x7ffcc6d422f0]
>   #47 _PyEval_EvalCodeWithName + 0x26a [ip=0x56939a] [sp=0x7ffcc6d42420]
>   #48 _PyFunction_Vectorcall + 0x393 [ip=0x5f6a13] [sp=0x7ffcc6d424e0]
>   #49 PyMethod_New + 0x41c [ip=0x50aa2c] [sp=0x7ffcc6d42590]
>   #50 PyObject_Call + 0x1f7 [ip=0x5f3547] [sp=0x7ffcc6d42640]
>   #51 _PyEval_EvalFrameDefault + 0x1f4d [ip=0x56c8cd] [sp=0x7ffcc6d42690]
>   #52 _PyEval_EvalCodeWithName + 0x26a [ip=0x56939a] [sp=0x7ffcc6d427c0]
>   #53 PyEval_EvalCode + 0x27 [ip=0x68d047] [sp=0x7ffcc6d42880]
>   #54 _PyInterpreterState_Get + 0x71 [ip=0x67e351] [sp=0x7ffcc6d428e0]
>   #55 _PyInterpreterState_Get + 0xef [ip=0x67e3cf] [sp=0x7ffcc6d42900]
>   #56 _PyInterpreterState_Get + 0x191 [ip=0x67e471] [sp=0x7ffcc6d42920]
>   #57 PyRun_SimpleFileExFlags + 0x197 [ip=0x67e817] [sp=0x7ffcc6d42970]
>   #58 Py_RunMain + 0x212 [ip=0x6b6fe2] [sp=0x7ffcc6d429f0]
>   #59 Py_BytesMain + 0x2d [ip=0x6b736d] [sp=0x7ffcc6d42ac0]
>   #60 __libc_start_main + 0xf3 [ip=0x7fc2005840b3] [sp=0x7ffcc6d42af0]
>   #61 _start + 0x2e [ip=0x5fa5ce] [sp=0x7ffcc6d42bc0]
> Aborted (core dumped)
> 
> 
> 



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