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Ralph Boehme 36bb948060 smbd: call exit_server_cleanly() to avoid panicking 
The parent smdb forwards SIGTERM to its process group in order to kill all
children like the scavenger. This happens from a function registered via
atexit() which means the signal forwarding is happening very briefly before the
main smbd process exits. When exiting the pipe between smbd and scavenger is
closed which triggers a file event in the scavenger.

However, due to kernel sheduling it is possible that the file descriptor event
is received before the signal, where we call exit_server() which call
smb_panic() at the end.

Change the exit to exit_server_cleanly() and just log this event at level 2
which we already do.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15275

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Jul  5 13:14:08 UTC 2023 on atb-devel-224

(cherry picked from commit 083fe1c28c6ec69cbd15d8cc2f7f06b1b630f2bc)
2023-07-06 11:56:19 +00:00
..
notifyd
lib;smbd: Fix the -Os build by initializing variables
2021-08-06 17:22:30 +00:00
avahi_register.c
s3-smbd: use fruit:model string for mDNS registration
2019-01-15 21:27:20 +01:00
blocking.c
s3: smbd: Remove lock_flav argument from smbd_smb1_brl_finish_by_lock().
2022-01-06 15:11:38 +00:00
close.c
smbd: Remove source3/smbd/statcache.c
2022-12-14 22:54:29 +00:00
conn_idle.c
s3:rpc_server: Activate samba-dcerpcd
2021-12-10 14:02:30 +00:00
conn_msg.c
smbd: Add close-denied-share message
2020-01-15 21:25:35 +00:00
conn.c
s3/smbd: Use after free when iterating smbd_server_connection->connections
2022-08-17 09:54:06 +00:00
connection.c
s3:param: make "servicename" a substituted option
2019-11-27 10:25:37 +00:00
dfree.c
smbd: Save a few lines with str_list_add_printf()
2022-01-18 20:22:38 +00:00
dir.c
smbd: Simplify is_visible_fsp()
2022-12-12 21:16:33 +00:00
dmapi.c
…
dnsregister.c
…
dosmode.c
smbd: Use direct struct initialization, avoid explicit ZERO_STRUCT()
2022-12-15 21:52:34 +00:00
durable.c
smbd: Pass vfs_open_how through fd_openat
2022-08-06 01:43:50 +00:00
error.c
s3: smbd: Rename reply_outbuf() -> reply_smb1_outbuf().
2022-04-07 17:37:30 +00:00
fake_file.c
smbd: Modernize DBG statements in open_fake_file()
2022-08-26 18:54:37 +00:00
fd_handle.c
smbd: Remove NTCREATEX_FLAG_DELETE_ON_CLOSE
2022-06-06 19:22:28 +00:00
fd_handle.h
smbd: fd_handle.h does not need includes.h
2022-04-26 21:41:29 +00:00
file_access.c
smbd: use metadata_fsp() with SMB_VFS_FGET_NT_ACL()
2022-08-10 15:32:35 +00:00
fileio.c
smbd: use fdos_mode() in mark_file_modified()
2020-12-16 09:08:31 +00:00
filename.c
smbd: Fix case normalization in for directories
2023-04-11 16:30:25 +00:00
files.c
s3: smbd: Tweak openat_pathref_dirfsp_nosymlink() to NULL out fsp->fsp_name after calling fd_close() on intermediate directories, rather than before.
2023-01-13 08:33:47 +00:00
globals.c
smbd: Slightly simplify set_current_case_sensitive()
2022-12-14 22:54:29 +00:00
globals.h
smbXsrv_tcon: avoid storing temporary (invalid!) records.
2023-04-16 15:41:16 +00:00
mangle_hash2.c
smbd: Use ISDOT/ISDOTDOT
2022-02-17 17:13:35 +00:00
mangle_hash.c
smbd: Move fast_string_hash() to mangle_hash.c, the only user
2022-01-05 00:11:37 +00:00
mangle.c
smbdotconf: mark "mangling method" with constant="1"
2019-11-27 10:25:37 +00:00
msdfs.c
Fix spelling mistakes.
2022-09-12 02:29:32 +00:00
notify_fam.c
…
notify_inotify.c
smbd: Align two integer types
2020-11-04 18:55:39 +00:00
notify_msg.c
notifyd: Factor out notify_walk() into its own file
2020-10-24 05:57:31 +00:00
notify.c
s3: smbd: notify_mid_maps is used by both SMB1 and SMB2.
2022-03-08 22:12:37 +00:00
ntquotas.c
smbd: add twrp arg to synthetic_smb_fname()
2020-05-05 19:18:40 +00:00
open.c
smbd: Don't mask open error if fstatat() fails
2023-07-03 07:57:08 +00:00
oplock_linux.c
lib;smbd: Fix the -Os build by initializing variables
2021-08-06 17:22:30 +00:00
password.c
smbd: RIP user_struct
2020-01-13 21:09:01 +00:00
perfcount.c
smbdotconf: mark "perfcount module" with substitution="1"
2019-11-27 10:25:36 +00:00
posix_acls.c
posix_acls: Make try_chown and unpack_nt_owners static
2022-12-02 07:00:31 +00:00
proto.h
smbd: Move get_posix_fsp() to smb1_trans2.c
2023-01-04 08:54:32 +00:00
pysmbd.c
pysmbd: set_nt_acl() can raise FileNotFoundError
2022-09-07 05:01:37 +00:00
quotas.c
quotas: Check group quota for directory when SGID is set
2019-08-14 16:27:43 +00:00
scavenger.c
smbd: call exit_server_cleanly() to avoid panicking
2023-07-06 11:56:19 +00:00
scavenger.h
…
seal.c
…
sec_ctx.c
sec_ctx.c: Fix -Wunused-function warning on macOS
2021-10-13 01:42:35 +00:00
server_exit.c
smbd: remove process shortname arg from reinit_after_fork()
2022-12-14 01:38:29 +00:00
server_reload.c
smbd: Remove source3/smbd/statcache.c
2022-12-14 22:54:29 +00:00
server.c
smbd: Remove source3/smbd/statcache.c
2022-12-14 22:54:29 +00:00
session.c
s3:smbd: fix SAFE_FREE() vs. TALLOC_FREE() in list_sessions()
2019-03-28 23:09:33 +00:00
share_access.c
Revert "s3:smbd: Remove NIS support"
2022-06-09 21:45:28 +00:00
smb1_aio.c
s3: smbd: Rename construct_reply_common_req() -> construct_smb1_reply_common_req()
2022-04-07 17:37:30 +00:00
smb1_aio.h
smbd: Move schedule_aio_write_and_X to smb1_aio.c
2022-04-07 17:37:29 +00:00
smb1_ipc.c
s3: smbd: Rename init_smb_request() -> init_smb1_request().
2022-04-07 17:37:30 +00:00
smb1_ipc.h
smbd: Move ipc.c -> smb1_ipc.c
2022-04-07 17:37:29 +00:00
smb1_lanman.c
smbd: Make get_safe_[[SI]VAL|ptr] static to smb1_lanman.c
2023-01-10 00:28:37 +00:00
smb1_lanman.h
smbd: Move lanman.c -> smb1_lanman.c
2022-04-07 17:37:29 +00:00
smb1_message.c
smbd: Remove a few "extern userdom_struct current_user_info"
2022-12-12 22:14:20 +00:00
smb1_message.h
smbd: Move message.c -> smb1_message.c
2022-04-07 17:37:29 +00:00
smb1_negprot.c
lib: Make substitute.c's "remote_proto" static
2022-12-12 21:16:33 +00:00
smb1_negprot.h
smbd: Move negprot.c -> smb1_negprot.c
2022-04-07 17:37:29 +00:00
smb1_nttrans.c
s3: smbd: Remove the ucf_flags parameter from extract_snapshot_token().
2022-08-05 09:24:30 +00:00
smb1_nttrans.h
smbd: Remove duplicate read_nttrans_ea_list function prototype
2022-04-07 17:37:30 +00:00
smb1_oplock.c
s3: smbd: Rename srv_set_message() -> srv_smb1_set_message().
2022-04-07 17:37:30 +00:00
smb1_oplock.h
smbd: Move send_break_message_smb1 to smb1_oplock.c
2022-04-07 17:37:29 +00:00
smb1_pipes.c
s3: smbd: Rename reply_outbuf() -> reply_smb1_outbuf().
2022-04-07 17:37:30 +00:00
smb1_pipes.h
smbd: Move reply_pipe_write to smb1_pipes.c
2022-04-07 17:37:30 +00:00
smb1_process.c
smbd: Slightly simplify set_current_case_sensitive()
2022-12-14 22:54:29 +00:00
smb1_process.h
smbd: Move valid_smb_header to smb2_process.c
2022-04-07 17:37:30 +00:00
smb1_reply.c
s3: smbd: Move check_fsp_open() and check_fsp() to smb1_reply.c
2023-01-11 08:17:04 +00:00
smb1_reply.h
s3: smbd: Move reply_findnclose() from trans2.c to smb1_reply.c
2022-04-07 17:37:30 +00:00
smb1_service.c
smbXsrv_tcon: avoid storing temporary (invalid!) records.
2023-04-16 15:41:16 +00:00
smb1_service.h
smbd: Move make_connection to smb1_service.c
2022-04-07 17:37:29 +00:00
smb1_sesssetup.c
s3: smbd: Rename reply_outbuf() -> reply_smb1_outbuf().
2022-04-07 17:37:30 +00:00
smb1_sesssetup.h
smbd: Move sesssetup.c -> smb1_sesssetup.c
2022-04-07 17:37:29 +00:00
smb1_signing.c
smbd: Move signing.c -> smb1_signing.c
2022-04-07 17:37:29 +00:00
smb1_signing.h
smbd: Move signing.c -> smb1_signing.c
2022-04-07 17:37:29 +00:00
smb1_trans2.c
smbd: Fix indentation
2023-01-05 18:00:17 +00:00
smb1_trans2.h
smbd: Move handling smb_set_posix_lock() to smb1_trans2.c
2023-01-04 08:54:32 +00:00
smb1_utils.c
smbd: Move message_push_string() to smb1_utils.c
2022-06-06 19:22:28 +00:00
smb1_utils.h
smbd: Move message_push_string() to smb1_utils.c
2022-06-06 19:22:28 +00:00
smb2_aio.c
s3: smbd: Fix schedule_smb2_aio_read() to allow the last read in a compound to go async.
2022-12-01 16:04:07 +00:00
smb2_break.c
s3:smbd: pass down smbXsrv_client to smbd_smb2_send_{oplock,lease}_break()
2020-07-08 15:54:40 +00:00
smb2_close.c
smbd: debug in smbd_smb2_close_send()
2022-12-09 23:11:38 +00:00
smb2_create.c
s3: smbd: Strip any leading '\\' characters if the SMB2 DFS flag is set.
2023-01-04 07:46:06 +00:00
smb2_flush.c
s3: smbd: Cause SMB2_OP_FLUSH to go synchronous in a compound anywhere but the last operation in the list.
2022-11-17 05:55:42 +00:00
smb2_getinfo.c
smbd: smbd_do_qfilepathinfo() does not need lock_data anymore
2023-01-04 08:54:32 +00:00
smb2_glue.c
s3:smbd: implement FSCTL_SMBTORTURE_FORCE_UNACKED_TIMEOUT
2020-07-08 15:54:40 +00:00
smb2_ioctl_dfs.c
…
smb2_ioctl_filesys.c
smbd: Save a few lines by using tevent_req_nterror()'s retval
2022-09-07 18:40:28 +00:00
smb2_ioctl_named_pipe.c
Revert "smbd: add an effective {smb,smbd_smb2}_request->ev_ctx that holds the event context used for the request processing"
2019-01-11 23:11:16 +01:00
smb2_ioctl_network_fs.c
vfs: Add flags and xferlen args to SMB_VFS_OFFLOAD_READ_RECV
2021-10-08 19:28:32 +00:00
smb2_ioctl_private.h
s3: smbd: Split out smb2_ioctl_smbtorture() into a separate file.
2021-08-11 19:16:29 +00:00
smb2_ioctl_smbtorture.c
s3: smbd: Call smbd_fsctl_torture_async_sleep() when we get FSCTL_SMBTORTURE_FSP_ASYNC_SLEEP.
2021-08-11 19:16:29 +00:00
smb2_ioctl.c
smb2_ioctl: return BUFFER_TOO_SMALL in smbd_smb2_request_ioctl_done()
2021-12-01 11:04:29 +00:00
smb2_ipc.c
smbd: Move nt_status_np_pipe to smb2_ipc.c
2022-04-07 17:37:29 +00:00
smb2_keepalive.c
…
smb2_lock.c
s3: smbd: Plumb in POSIX lock requests through SMB2 lock calls if done on a POSIX handle. Currently not allowed.
2022-02-01 16:30:37 +00:00
smb2_negprot.c
lib: Make substitute.c's "remote_proto" static
2022-12-12 21:16:33 +00:00
smb2_notify.c
smbd: Save a few lines by using tevent_req_nterror()'s retval
2022-09-07 18:40:28 +00:00
smb2_nttrans.c
s3: smbd: Add src_dirfsp and dst_dirfsp parameters to copy_internals().
2022-08-02 19:49:32 +00:00
smb2_oplock.c
s3:smbd: remove static from release_file_oplock()
2022-09-20 00:34:35 +00:00
smb2_pipes.c
smbd: Use security_token_count_flag_sids() in open_np_file()
2023-05-26 12:34:17 +00:00
smb2_posix.c
s3: smbd: store_smb2_posix_info hide info for '..'
2022-11-29 10:26:38 +00:00
smb2_process.c
s3: smbd: Rename init_smb_request() -> init_smb1_request().
2022-04-07 17:37:30 +00:00
smb2_query_directory.c
smbd: use fsp_search_ask_sharemode() and fsp_getinfo_ask_sharemode()
2022-12-09 23:11:37 +00:00
smb2_read.c
smbd: remove comments about deprecated 'write cache size'
2023-06-12 07:26:15 +00:00
smb2_reply.c
s3: smbd: Move check_fsp_open() and check_fsp() to smb1_reply.c
2023-01-11 08:17:04 +00:00
smb2_server.c
smbd: Pass error_context_count through smbd_smb2_request_error_ex()
2022-11-22 18:27:33 +00:00
smb2_service.c
smbXsrv_tcon: avoid storing temporary (invalid!) records.
2023-04-16 15:41:16 +00:00
smb2_sesssetup.c
smbd: Save a few lines by using tevent_req_nterror()'s retval
2022-09-07 18:40:28 +00:00
smb2_setinfo.c
smbd: Remove NTCREATEX_FLAG_DELETE_ON_CLOSE
2022-06-06 19:22:28 +00:00
smb2_signing.c
smbd: Disable call to smb1_srv_init_signing without smb1
2022-04-07 17:37:29 +00:00
smb2_tcon.c
smbXsrv_tcon: avoid storing temporary (invalid!) records.
2023-04-16 15:41:16 +00:00
smb2_trans2.c
smbd: Move bytes from r/w data to r/o text section
2023-01-10 00:28:37 +00:00
smb2_write.c
smbd: Use fsp_is_alternate_stream() where an fsp is available
2022-02-11 20:54:37 +00:00
smbd_cleanupd.c
smbd: Remove unused brlock code
2019-06-20 17:18:19 +00:00
smbd_cleanupd.h
…
smbd.h
smbd: Hide the SMB1 posix symlink behaviour behind UCF_LCOMP_LNK_OK
2022-12-22 19:50:34 +00:00
smbXsrv_client.c
lib: Use tdb_data_dbg() where appropriate
2023-01-10 00:28:37 +00:00
smbXsrv_open.c
smbd: Modernize DBG statements in smbXsrv_open_global_store()
2023-01-18 11:49:38 +00:00
smbXsrv_open.h
smbd: Give smbXsrv_open.c its own header file
2021-11-11 19:08:37 +00:00
smbXsrv_session.c
lib: Use tdb_data_dbg() where appropriate
2023-01-10 00:28:37 +00:00
smbXsrv_tcon.c
smbXsrv_tcon: avoid storing temporary (invalid!) records.
2023-04-16 15:41:16 +00:00
smbXsrv_version.c
…
srvstr.c
smbd: Move message_push_string() to smb1_utils.c
2022-06-06 19:22:28 +00:00
statvfs.c
smbd: Fix the build on FreeBSD
2022-08-04 20:44:32 +00:00
uid.c
source3: move lib/substitute.c functions out of proto.h
2021-11-11 13:49:32 +00:00
utmp.c
s3/smbd: fix utmp hostname logging on Solaris
2019-01-10 22:46:11 +01:00
vfs.c
s3:smbd: add helpers to deny vfs calls in some sections
2022-09-20 00:34:35 +00:00