[Samba] Samba 4.16 hard-crashes

[Anoop C S]

Hi,

Moving the discussion from CentOS to Samba users mailing list. Can you
start with posting your smb.conf? I hope someone will be able to find
the root cause here.

On Fri, 2022-06-10 at 08:02 +0100, lejeczek via CentOS wrote:
> Hi guys.
> 
> Does anybody see this/similar issue, with Samba (from 
> centos-release-samba416-1.0-1.1.el8.noarch) under IPA? (also 
> Samba uses GlusterFS' libgfapi - 
> samba-vfs-glusterfs-4.16.1-100.el8s.x86_64)
> 
> -> $ systemctl restart smb.service
> 
> Starting Samba SMB Daemon...
> [2022/06/08 19:17:32.937351,  0, pid=49122] 
> ../../source3/smbd/server.c:1741(main)
>    smbd version 4.16.1 started.
>    Copyright Andrew Tridgell and the Samba Team 1992-2022
> [2022/06/08 19:17:32.960756,  0, pid=49122] 
> ../../lib/util/fault.c:172(smb_panic_log)
> ===============================================================
> [2022/06/08 19:17:32.960925,  0, pid=49122] 
> ../../lib/util/fault.c:176(smb_panic_log)
>    INTERNAL ERROR: Signal 6: Aborted in pid 49122 (4.16.1)
> [2022/06/08 19:17:32.960981,  0, pid=49122] 
> ../../lib/util/fault.c:181(smb_panic_log)
>    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://wiki.samba.org/index.php/Bug_Reporting
> [2022/06/08 19:17:32.961022,  0, pid=49122] 
> ../../lib/util/fault.c:182(smb_panic_log)
> ===============================================================
> [2022/06/08 19:17:32.961056,  0, pid=49122] 
> ../../lib/util/fault.c:184(smb_panic_log)
>    PANIC (pid 49122): Signal 6: Aborted in 4.16.1
> [2022/06/08 19:17:32.961647,  0, pid=49122] 
> ../../lib/util/fault.c:288(log_stack_trace)
>    BACKTRACE: 15 stack frames:
>     #0 /lib64/libsamba-util.so.0(log_stack_trace+0x34) 
> [0x7f41bbc0c7c4]
>     #1 /lib64/libsamba-util.so.0(smb_panic+0xd) [0x7f41bbc0ca1d]
>     #2 /lib64/libsamba-util.so.0(+0xeab9) [0x7f41bbc0cab9]
>     #3 /lib64/libpthread.so.0(+0x12ce0) [0x7f41bb83bce0]
>     #4 /lib64/libc.so.6(gsignal+0x10f) [0x7f41bb2a4a4f]
>     #5 /lib64/libc.so.6(abort+0x127) [0x7f41bb277db5]
>     #6 /lib64/libtalloc.so.2(+0x2f40) [0x7f41a34a7f40]
>     #7 /lib64/libtalloc.so.2(+0x336c) [0x7f41a34a836c]
>     #8 /usr/lib64/samba/pdb/ipasam.so(+0x11c2f) [0x7f41a38e7c2f]
>     #9 
> /lib64/libsamba-passdb.so.0(make_pdb_method_name+0xb2) 
> [0x7f41bbdae2f2]
>     #10 /lib64/libsamba-passdb.so.0(+0x1d604) [0x7f41bbdae604]
>     #11 
> /lib64/libsamba-passdb.so.0(initialize_password_db+0x1d) 
> [0x7f41bbdb096d]
>     #12 /usr/sbin/smbd(main+0x5d9) [0x55c945bbcf09]
>     #13 /lib64/libc.so.6(__libc_start_main+0xf3) 
> [0x7f41bb290ca3]
>     #14 /usr/sbin/smbd(_start+0x2e) [0x55c945bbe6de]
> [2022/06/08 19:17:32.962008,  0, pid=49122] 
> ../../source3/lib/dumpcore.c:318(dump_core)
>    coredump is handled by helper binary specified at 
> /proc/sys/kernel/core_pattern
> 
> smb.service: Main process exited, code=dumped, status=6/ABRT
> smb.service: Failed with result 'core-dump'.
> Failed to start Samba SMB Daemon.
> 
> For me all this, IPA's integrated Samba with GlusterFS, 
> worked problem-free with 4.15 & earlier versions, so prior 
> to 4.16 update which update brakes everything I believe.