Samba current master branch server crash
Steve French
smfrench at gmail.com
Mon Jun 30 18:32:39 UTC 2025
Running generic/013 with the SMB3.1.1 POSIX Extensions enabled to
current Samba server, I see Samba server crash with (and it is
reproducible every time I have tried it):
[2025/06/30 16:42:00.127238, 0]
../../source3/smbd/smb2_ioctl_filesys.c:221(fsctl_dup_extents_send)
fsctl_dup_extents_send: skipping zero length dup extents
[2025/06/30 16:42:00.492253, 0] ../../lib/util/fault.c:178(smb_panic_log)
===============================================================
[2025/06/30 16:42:00.505777, 0] ../../lib/util/fault.c:186(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
[2025/06/30 16:42:00.513839, 0] ../../lib/util/fault.c:192(smb_panic_log)
PANIC (pid 1066): Signal 7: Bus error in 4.23.0pre1-GIT-5b9492ada40
#0 /usr/local/samba/lib/private/libgenrand-private-samba.so(log_stack_trace+0x32)
[0x77a32f504c16]
#2 /usr/local/samba/lib/private/libgenrand-private-samba.so(smb_panic+0x1c)
[0x77a32f504bb2]
#4 /usr/local/samba/lib/private/libgenrand-private-samba.so(+0x264f)
[0x77a32f50464f]
#6 /lib/x86_64-linux-gnu/libc.so.6(+0x9f98c) [0x77a32f29f98c]
#8 /usr/local/samba/lib/private/libtdb-private-samba.so(+0x14581)
[0x77a32f1c6581]
#10 /usr/local/samba/lib/private/libtdb-private-samba.so(+0x84ff)
[0x77a32f1ba4ff]
#11 /usr/local/samba/lib/private/libtdb-private-samba.so(+0x8af0)
[0x77a32f1baaf0]
#13 /usr/local/samba/lib/private/libtdb-private-samba.so(+0x8def)
[0x77a32f1badef]
#15 /usr/local/samba/lib/private/libdbwrap-private-samba.so(+0x9280)
[0x77a32f41f280]
#16 /usr/local/samba/lib/private/libdbwrap-private-samba.so(dbwrap_do_locked+0x8c)
[0x77a32f41b391]
#18 /usr/local/samba/lib/private/libdbwrap-private-samba.so(dbwrap_do_locked+0x8c)
[0x77a32f41b391]
#20 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(_share_mode_entry_prepare_lock+0x213)
[0x77a32f9bae28]
#22 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(+0xa6bc8)
[0x77a32f8a6bc8]
#24 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(+0xfd436)
[0x77a32f8fd436]
#26 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(smbd_smb2_request_process_close+0x259)
[0x77a32f8fcb84]
#28 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(smbd_smb2_request_dispatch_immediate+0xfc)
[0x77a32f8e758f]
#30 /usr/local/samba/lib/private/libtevent-private-samba.so(tevent_common_loop_immediate+0x3b)
[0x77a32f67915b]
#32 /usr/local/samba/lib/private/libtevent-private-samba.so(+0x11ed9)
[0x77a32f680ed9]
#34 /usr/local/samba/lib/private/libtevent-private-samba.so(tevent_common_loop_wait+0x29)
[0x77a32f677023]
#36 /usr/local/samba/lib/private/libtevent-private-samba.so(_tevent_loop_wait+0x2f)
[0x77a32f6770ca]
#38 smbd: client [192.168.122.12](+0xa145) [0x5897f941a145]
#40 /usr/local/samba/lib/private/libtevent-private-samba.so(+0x1648e)
[0x77a32f68548e]
#42 /usr/local/samba/lib/private/libtevent-private-samba.so(+0x11ed9)
[0x77a32f680ed9]
#44 /usr/local/samba/lib/private/libtevent-private-samba.so(tevent_common_loop_wait+0x29)
[0x77a32f677023]
#45 /usr/local/samba/lib/private/libtevent-private-samba.so(+0x11f82)
[0x77a32f680f82]
#46 /usr/local/samba/lib/private/libtevent-private-samba.so(_tevent_loop_wait+0x2f)
[0x77a32f6770ca]
#48 smbd: client [192.168.122.12](main+0x1ba6) [0x5897f941e1ed]
#50 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b)
[0x77a32f22a28b]
[2025/06/30 16:42:00.712449, 0]
../../source3/lib/dumpcore.c:318(dump_core)
coredump is handled by
helper binary specified at /proc/sys/kernel/core_pattern
[2025/06/30 16:42:01.967738, 0]
../../source3/locking/share_mode_lock.c:523(locking_tdb_data_store)
locking_tdb_data_store: share_mode_g_lock_writev(NULL) failed:
NT_STATUS_NOT_LOCKED
[2025/06/30 16:42:01.967868, 0]
../../source3/locking/share_mode_lock.c:660(share_mode_data_ltdb_store)
share_mode_data_ltdb_store: locking_tdb_data_store failed:
NT_STATUS_NOT_LOCKED
[2025/06/30 16:42:01.967886, 0]
../../source3/locking/share_mode_lock.c:2356(share_mode_forall_entries)
share_mode_forall_entries: share_mode_data_ltdb_store failed:
NT_STATUS_NOT_LOCKED
[2025/06/30 16:42:01.967900, 0]
../../source3/locking/share_mode_lock.c:1908(share_entry_rw_traverse_fn)
share_entry_rw_traverse_fn: share_mode_forall_entries failed
[2025/06/30 16:42:02.683465, 0]
../../source3/smbd/smb2_ioctl_network_fs.c:229(fsctl_srv_copychunk_vfs_done)
fsctl_srv_copychunk_vfs_done: copy chunk failed
[NT_STATUS_DISK_FULL] chunk [0] of [1]
[2025/06/30 16:42:02.706145, 0] ../../lib/util/fault.c:178(smb_panic_log)
===============================================================
[2025/06/30 16:42:02.712428, 0] ../../lib/util/fault.c:179(smb_panic_log)
INTERNAL ERROR: Signal 7: Bus error in smbd (smbd[192.168.12)
(client [192.168.122.12]) pid 1133 (4.23.0pre1-GIT-5b9492ada40)
[2025/06/30 16:42:02.728066, 0] ../../lib/util/fault.c:191(smb_panic_log)
===============================================================
[2025/06/30 16:42:02.728107, 0] ../../lib/util/fault.c:192(smb_panic_log)
PANIC (pid 1133): Signal 7: Bus error in 4.23.0pre1-GIT-5b9492ada40
[2025/06/30 16:42:02.737474, 0] ../../lib/util/fault.c:303(log_stack_trace)
BACKTRACE: 44 stack frames:
#1 /usr/local/samba/lib/private/libgenrand-private-samba.so(smb_panic_log+0x213)
[0x77a32f504b93]
#2 /usr/local/samba/lib/private/libgenrand-private-samba.so(smb_panic+0x1c)
[0x77a32f504bb2]
#3 /usr/local/samba/lib/private/libgenrand-private-samba.so(+0x2636)
[0x77a32f504636]
#4 /usr/local/samba/lib/private/libgenrand-private-samba.so(+0x264f)
[0x77a32f50464f]
#5 /lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x77a32f245330]
#6 /lib/x86_64-linux-gnu/libc.so.6(+0xa160b) [0x77a32f2a160b]
#7 /usr/local/samba/lib/private/libtdb-private-samba.so(+0x14835)
[0x77a32f1c6835]
#8 /usr/local/samba/lib/private/libtdb-private-samba.so(+0x83e7)
[0x77a32f1ba3e7]
#9 /usr/local/samba/lib/private/libtdb-private-samba.so(+0x860a)
[0x77a32f1ba60a]
#10 /usr/local/samba/lib/private/libtdb-private-samba.so(+0x8fa1)
[0x77a32f1bafa1]
#11 /usr/local/samba/lib/private/libtdb-private-samba.so(tdb_unlock+0x54)
[0x77a32f1bb06c]
#12 /usr/local/samba/lib/private/libtdb-private-samba.so(tdb_chainunlock+0x5f)
[0x77a32f1bb9eb]
#13 /usr/local/samba/lib/private/libdbwrap-private-samba.so(+0x950f)
[0x77a32f41f50f]
#14 /usr/local/samba/lib/private/libdbwrap-private-samba.so(dbwrap_do_locked+0x8c)
[0x77a32f41b391]
#15 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(smbXsrv_open_update+0x8d)
[0x77a32f929a7f]
#16 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(+0xe484c)
[0x77a32f8e484c]
#18 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(+0xeb14e)
[0x77a32f8eb14e]
#19 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(+0xeb53a)
[0x77a32f8eb53a]
#21 /usr/local/samba/lib/private/libtevent-private-samba.so(tevent_common_invoke_fd_handler+0x125)
[0x77a32f67847c]
#22 /usr/local/samba/lib/private/libtevent-private-samba.so(+0x1648e)
[0x77a32f68548e]
#24 /usr/local/samba/lib/private/libtevent-private-samba.so(+0x11ed9)
[0x77a32f680ed9]
#25 /usr/local/samba/lib/private/libtevent-private-samba.so(_tevent_loop_once+0x126)
[0x77a32f676c9b]
#26 /usr/local/samba/lib/private/libtevent-private-samba.so(tevent_common_loop_wait+0x29)
[0x77a32f677023]
#28 /usr/local/samba/lib/private/libtevent-private-samba.so(_tevent_loop_wait+0x2f)
[0x77a32f6770ca]
#29 /usr/local/samba/lib/private/libsmbd-base-private-samba.so(smbd_process+0xfaa)
[0x77a32f8cb716]
#30 smbd: client [192.168.122.12](+0xa145) [0x5897f941a145]
#33 /usr/local/samba/lib/private/libtevent-private-samba.so(+0x16c2b)
[0x77a32f685c2b]
#36 /usr/local/samba/lib/private/libtevent-private-samba.so(tevent_common_loop_wait+0x29)
[0x77a32f677023]
#37 /usr/local/samba/lib/private/libtevent-private-samba.so(+0x11f82)
[0x77a32f680f82]
#38 /usr/local/samba/lib/private/libtevent-private-samba.so(_tevent_loop_wait+0x2f)
[0x77a32f6770ca]
#39 smbd: client [192.168.122.12](+0xae96) [0x5897f941ae96]
#40 smbd: client [192.168.122.12](main+0x1ba6) [0x5897f941e1ed]
[2025/06/30 16:42:03.359226, 0] ../../lib/util/fault.c:178(smb_panic_log)
===============================================================
#3 /usr/local/samba/lib/private/libgenrand-private-samba.so(+0x2636)
[0x77a32f504636]
--
Thanks,
Steve
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