Public bug reported:

When I stream video files from Samba to Windows using VLC, samba streams
the first few seconds of the video then crashes. VLC shows a "bad file
descriptor" error. I've been using the same configuration for over a
year with no problems and can't think of any recent changes that could
cause this. Samba has no problem copying files.

I've tried uninstalling and reinstalling samba, using the stream from a
separate windows machine, and streaming from MPC instead of VLC.

Ubuntu 14.04.4 LTS
Samba version 4.3.8-Ubuntu

The log seems to show that it repeatedly goes into panic when I start a
stream.

/var/log/samba/log
[2016/04/30 11:10:48.910100,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:10:48.939500,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:10:49.333139,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:10:49.585790,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:10:49.587421,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:10:49.689048,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:10:49.689167,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2776 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:10:49.689226,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:10:49.689279,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2776): internal error
[2016/04/30 11:10:49.722931,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 29 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch_immediate+0x75)
 [0x7fd4e8cbe915]
   #15 
/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_immediate+0xd4) 
[0x7fd4e5c454e4]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x3c) 
[0x7fd4e6fee95c]
   #17 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c44) [0x7fd4e6feec44]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #19 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #21 smbd(+0x96b6) [0x7fd4e97666b6]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #23 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #25 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #26 smbd(main+0x15b4) [0x7fd4e97646c4]
   #27 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #28 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:10:49.723523,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2776]
[2016/04/30 11:10:49.754800,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:10:49.755036,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2016/04/30 11:10:50.758575,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:10:50.995766,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:10:50.995875,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2781 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:10:50.996396,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:10:50.996578,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2781): internal error
[2016/04/30 11:10:50.998719,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 29 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch_immediate+0x75)
 [0x7fd4e8cbe915]
   #15 
/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_immediate+0xd4) 
[0x7fd4e5c454e4]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x3c) 
[0x7fd4e6fee95c]
   #17 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c44) [0x7fd4e6feec44]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #19 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #21 smbd(+0x96b6) [0x7fd4e97666b6]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #23 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #25 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #26 smbd(main+0x15b4) [0x7fd4e97646c4]
   #27 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #28 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:10:50.999674,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2781]
[2016/04/30 11:10:51.008676,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:10:51.009105,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2016/04/30 11:10:51.826277,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:10:52.271547,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:12:57.780274,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:12:58.269830,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:12:58.274016,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:12:58.692782,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:12:59.060290,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:12:59.069069,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:12:59.253290,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:12:59.253399,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2785 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:12:59.253455,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:12:59.253501,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2785): internal error
[2016/04/30 11:12:59.255634,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 29 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch_immediate+0x75)
 [0x7fd4e8cbe915]
   #15 
/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_immediate+0xd4) 
[0x7fd4e5c454e4]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x3c) 
[0x7fd4e6fee95c]
   #17 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c44) [0x7fd4e6feec44]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #19 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #21 smbd(+0x96b6) [0x7fd4e97666b6]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #23 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #25 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #26 smbd(main+0x15b4) [0x7fd4e97646c4]
   #27 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #28 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:12:59.256281,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2785]
[2016/04/30 11:12:59.265248,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:12:59.265512,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2016/04/30 11:13:00.039090,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:13:00.231678,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:13:00.231790,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2795 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:13:00.231853,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:13:00.231890,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2795): internal error
[2016/04/30 11:13:00.234015,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 29 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch_immediate+0x75)
 [0x7fd4e8cbe915]
   #15 
/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_immediate+0xd4) 
[0x7fd4e5c454e4]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x3c) 
[0x7fd4e6fee95c]
   #17 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c44) [0x7fd4e6feec44]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #19 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #21 smbd(+0x96b6) [0x7fd4e97666b6]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #23 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #25 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #26 smbd(main+0x15b4) [0x7fd4e97646c4]
   #27 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #28 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:13:00.234551,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2795]
[2016/04/30 11:13:00.243191,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:13:00.243414,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2016/04/30 11:13:01.051254,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:13:01.269358,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:13:01.269534,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2799 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:13:01.269596,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:13:01.269650,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2799): internal error
[2016/04/30 11:13:01.271784,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 29 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch_immediate+0x75)
 [0x7fd4e8cbe915]
   #15 
/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_immediate+0xd4) 
[0x7fd4e5c454e4]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x3c) 
[0x7fd4e6fee95c]
   #17 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c44) [0x7fd4e6feec44]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #19 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #21 smbd(+0x96b6) [0x7fd4e97666b6]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #23 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #25 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #26 smbd(main+0x15b4) [0x7fd4e97646c4]
   #27 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #28 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:13:01.272478,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2799]
[2016/04/30 11:13:01.281669,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:13:01.281892,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2016/04/30 11:13:02.052354,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:13:02.278720,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:13:02.278829,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2803 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:13:02.278889,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:13:02.278981,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2803): internal error
[2016/04/30 11:13:02.281126,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 28 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x13b072) 
[0x7fd4e8cbf072]
   #15 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #17 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #19 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #20 smbd(+0x96b6) [0x7fd4e97666b6]
   #21 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #23 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #25 smbd(main+0x15b4) [0x7fd4e97646c4]
   #26 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #27 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:13:02.281663,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2803]
[2016/04/30 11:13:02.290739,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:13:02.290970,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2016/04/30 11:13:03.097722,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:13:03.329323,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:13:03.329449,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2807 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:13:03.329508,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:13:03.329556,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2807): internal error
[2016/04/30 11:13:03.331684,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 29 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch_immediate+0x75)
 [0x7fd4e8cbe915]
   #15 
/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_immediate+0xd4) 
[0x7fd4e5c454e4]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x3c) 
[0x7fd4e6fee95c]
   #17 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c44) [0x7fd4e6feec44]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #19 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #21 smbd(+0x96b6) [0x7fd4e97666b6]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #23 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #25 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #26 smbd(main+0x15b4) [0x7fd4e97646c4]
   #27 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #28 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:13:03.332423,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2807]
[2016/04/30 11:13:03.341457,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:13:03.341682,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2016/04/30 11:13:04.155501,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:13:04.416238,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:13:04.416353,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2811 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:13:04.416418,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:13:04.416459,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2811): internal error
[2016/04/30 11:13:04.418578,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 28 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x13b072) 
[0x7fd4e8cbf072]
   #15 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #17 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #19 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #20 smbd(+0x96b6) [0x7fd4e97666b6]
   #21 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #23 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #25 smbd(main+0x15b4) [0x7fd4e97646c4]
   #26 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #27 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:13:04.419200,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2811]
[2016/04/30 11:13:04.428188,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:13:04.428418,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2016/04/30 11:13:05.245468,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:13:05.712922,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:13:06.202549,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:13:06.439680,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:13:06.439807,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2815 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:13:06.439871,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:13:06.439910,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2815): internal error
[2016/04/30 11:13:06.442133,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 29 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch_immediate+0x75)
 [0x7fd4e8cbe915]
   #15 
/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_immediate+0xd4) 
[0x7fd4e5c454e4]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x3c) 
[0x7fd4e6fee95c]
   #17 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25c44) [0x7fd4e6feec44]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #19 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #20 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #21 smbd(+0x96b6) [0x7fd4e97666b6]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #23 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #25 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #26 smbd(main+0x15b4) [0x7fd4e97646c4]
   #27 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #28 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:13:06.442742,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2815]
[2016/04/30 11:13:06.452205,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:13:06.452440,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd
[2016/04/30 11:13:07.259039,  0] 
../source3/param/loadparm.c:3245(process_usershare_file)
  process_usershare_file: stat of /var/lib/samba/usershares/tv shows failed. 
Permission denied
[2016/04/30 11:13:07.522631,  0] ../lib/util/fault.c:78(fault_report)
  ===============================================================
[2016/04/30 11:13:07.522792,  0] ../lib/util/fault.c:79(fault_report)
  INTERNAL ERROR: Signal 11 in pid 2819 (4.3.8-Ubuntu)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2016/04/30 11:13:07.522857,  0] ../lib/util/fault.c:81(fault_report)
  ===============================================================
[2016/04/30 11:13:07.522895,  0] ../source3/lib/util.c:789(smb_panic_s3)
  PANIC (pid 2819): internal error
[2016/04/30 11:13:07.525109,  0] ../source3/lib/util.c:900(log_stack_trace)
  BACKTRACE: 28 stack frames:
   #0 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(log_stack_trace+0x1a) 
[0x7fd4e835616a]
   #1 /usr/lib/x86_64-linux-gnu/samba/libsmbregistry.so.0(smb_panic_s3+0x20) 
[0x7fd4e8356240]
   #2 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
[0x7fd4e90cc8ef]
   #3 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1bb06) [0x7fd4e90ccb06]
   #4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd4e932a340]
   #5 /lib/x86_64-linux-gnu/libc.so.6(strlen+0x2a) [0x7fd4e5904aea]
   #6 /usr/lib/x86_64-linux-gnu/libsamba-util.so.0(push_ucs2_talloc+0x1e) 
[0x7fd4e90c657e]
   #7 /usr/lib/x86_64-linux-gnu/samba/libcliauth.so.0(E_md4hash+0x1e) 
[0x7fd4e7e1349e]
   #8 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(create_volume_objectid+0x3a) 
[0x7fd4e8c766aa]
   #9 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x1d92db) 
[0x7fd4e8d5d2db]
   #10 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb_vfs_call_fsctl+0x58) 
[0x7fd4e8c9a9e8]
   #11 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smb2_ioctl_filesys+0x249) 
[0x7fd4e8ccda29]
   #12 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_process_ioctl+0x7ee)
 [0x7fd4e8ccd3be]
   #13 
/usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_smb2_request_dispatch+0xc7d)
 [0x7fd4e8cbe41d]
   #14 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(+0x13b072) 
[0x7fd4e8cbf072]
   #15 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #16 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #17 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #18 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #19 /usr/lib/x86_64-linux-gnu/samba/libsmbd-base.so.0(smbd_process+0x6c9) 
[0x7fd4e8cad569]
   #20 smbd(+0x96b6) [0x7fd4e97666b6]
   #21 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(run_events_poll+0x16c) 
[0x7fd4e6feea8c]
   #22 /usr/lib/x86_64-linux-gnu/libsmbconf.so.0(+0x25ce0) [0x7fd4e6feece0]
   #23 /usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d) 
[0x7fd4e5c44cbd]
   #24 /usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_wait+0x1b) 
[0x7fd4e5c44e5b]
   #25 smbd(main+0x15b4) [0x7fd4e97646c4]
   #26 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fd4e589dec5]
   #27 smbd(+0x7a96) [0x7fd4e9764a96]
[2016/04/30 11:13:07.525677,  0] ../source3/lib/util.c:801(smb_panic_s3)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 2819]
[2016/04/30 11:13:07.535039,  0] ../source3/lib/util.c:809(smb_panic_s3)
  smb_panic(): action returned status 0
[2016/04/30 11:13:07.535265,  0] ../source3/lib/dumpcore.c:318(dump_core)
  dumping core in /var/log/samba/cores/smbd

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1577003

Title:
  samba crashes when streaming files to VLC, bad file descriptor

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