NetBSD/i386 10.0 上の pkgsrc/net/samba4 が Win10 からアクセスされるとランダムに落ちる問題

smbd.log

 ../../lib/util/fault.c:178(smb_panic_log) 
  =============================================================== 
 ../../lib/util/fault.c:179(smb_panic_log) 
  INTERNAL ERROR: Signal 11: Segmentation fault in smbd () (client [192.168.20.59]) pid 3230 (4.20.5) 
 ../../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 
 ../../lib/util/fault.c:191(smb_panic_log) 
  =============================================================== 
 ../../lib/util/fault.c:192(smb_panic_log) 
  PANIC (pid 3230): Signal 11: Segmentation fault in 4.20.5 
 ../../lib/util/fault.c:303(log_stack_trace) 
  BACKTRACE: 27 stack frames: 
   #0 0xae2791bd <log_stack_trace+0x40> at /usr/pkg/lib/samba/private/libgenrand-private-samba.so 
   #1 0xae279348 <smb_panic_log+0x8f> at /usr/pkg/lib/samba/private/libgenrand-private-samba.so 
   #2 0xae279504 <smb_panic+0x1e> at /usr/pkg/lib/samba/private/libgenrand-private-samba.so 
   #3 0xae2795a5 <smb_panic+0xbf> at /usr/pkg/lib/samba/private/libgenrand-private-samba.so 
   #4 0xae18b9b0 <__sigtramp_siginfo_2> at /usr/lib/libc.so.12 
   #5 0xabf96c8e <_init+0x208e> at /usr/pkg/lib/samba/vfs/cap.so 
   #6 0xae6317f9 <vfs_readdirname+0x4a> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #7 0xae5f5bfb <ReadDirName+0x71> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #8 0xae611cc2 <get_real_filename_full_scan_at+0xe4> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #9 0xae612084 <get_real_filename_at+0xc5> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #10 0xae5eb6dd <reload_services+0x45a> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #11 0xae5f05f1 <openat_pathref_fsp_lcomp+0x267> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #12 0xae612823 <filename_convert_dirfsp+0x2a5> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #13 0xae6630f7 <smbd_smb2_request_process_create+0x104b> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #14 0xae656eaf <smbd_smb2_request_dispatch+0xfa9> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #15 0xae657e41 <smbd_smb2_request_dispatch_immediate+0x728> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #16 0xae20ca7d <smb_tell_num_children+0xffffffffae20608c> at /usr/pkg/lib/libtevent.so.0 
   #17 0xae20ff41 <tevent_context_same_loop+0x93e> at /usr/pkg/lib/libtevent.so.0 
   #18 0xae20bb86 <smbd_sig_chld_handler+0xffffffffae206046> at /usr/pkg/lib/libtevent.so.0 
   #19 0xae20be98 <tevent_common_loop_wait+0x28> at /usr/pkg/lib/libtevent.so.0 
   #20 0xae643b19 <smbd_process+0xa43> at /usr/pkg/lib/samba/private/libsmbd-base-private-samba.so 
   #21 0x3e6fb2 <smbd_accept_connection+0x3e01ca> at /usr/pkg/sbin/smbd 
   #22 0xae20ca7d <smb_tell_num_children+0xffffffffae20608c> at /usr/pkg/lib/libtevent.so.0 
   #23 0xae20ff41 <tevent_context_same_loop+0x93e> at /usr/pkg/lib/libtevent.so.0 
   #24 0xae20bb86 <smbd_sig_chld_handler+0xffffffffae206046> at /usr/pkg/lib/libtevent.so.0 
   #25 0xae20be98 <tevent_common_loop_wait+0x28> at /usr/pkg/lib/libtevent.so.0 
   #26 0x3e9bd8 <main+0x1a18> at /usr/pkg/sbin/smbd 
 ../../source3/lib/dumpcore.c:315(dump_core) 
  dumping core in /var/log/cores/smbd