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2017-02-15tree-wide: add SD_ID128_MAKE_STR, remove LOG_MESSAGE_IDZbigniew Jędrzejewski-Szmek
Embedding sd_id128_t's in constant strings was rather cumbersome. We had SD_ID128_CONST_STR which returned a const char[], but it had two problems: - it wasn't possible to statically concatanate this array with a normal string - gcc wasn't really able to optimize this, and generated code to perform the "conversion" at runtime. Because of this, even our own code in coredumpctl wasn't using SD_ID128_CONST_STR. Add a new macro to generate a constant string: SD_ID128_MAKE_STR. It is not as elegant as SD_ID128_CONST_STR, because it requires a repetition of the numbers, but in practice it is more convenient to use, and allows gcc to generate smarter code: $ size .libs/systemd{,-logind,-journald}{.old,} text data bss dec hex filename 1265204 149564 4808 1419576 15a938 .libs/systemd.old 1260268 149564 4808 1414640 1595f0 .libs/systemd 246805 13852 209 260866 3fb02 .libs/systemd-logind.old 240973 13852 209 255034 3e43a .libs/systemd-logind 146839 4984 34 151857 25131 .libs/systemd-journald.old 146391 4984 34 151409 24f71 .libs/systemd-journald It is also much easier to check if a certain binary uses a certain MESSAGE_ID: $ strings .libs/systemd.old|grep MESSAGE_ID MESSAGE_ID=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x MESSAGE_ID=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x MESSAGE_ID=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x MESSAGE_ID=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x $ strings .libs/systemd|grep MESSAGE_ID MESSAGE_ID=c7a787079b354eaaa9e77b371893cd27 MESSAGE_ID=b07a249cd024414a82dd00cd181378ff MESSAGE_ID=641257651c1b4ec9a8624d7a40a9e1e7 MESSAGE_ID=de5b426a63be47a7b6ac3eaac82e2f6f MESSAGE_ID=d34d037fff1847e6ae669a370e694725 MESSAGE_ID=7d4958e842da4a758f6c1cdc7b36dcc5 MESSAGE_ID=1dee0369c7fc4736b7099b38ecb46ee7 MESSAGE_ID=39f53479d3a045ac8e11786248231fbf MESSAGE_ID=be02cf6855d2428ba40df7e9d022f03d MESSAGE_ID=7b05ebc668384222baa8881179cfda54 MESSAGE_ID=9d1aaa27d60140bd96365438aad20286
2017-02-15coredumpctl: just use argv instead of building a temporary setZbigniew Jędrzejewski-Szmek
No functional change, and we don't lose match order.
2017-02-15coredump: with --backtrace accept a journal entry on stdinZbigniew Jędrzejewski-Szmek
The entry must be a single entry in the journal export format, including the terminating double newline. The MESSAGE field is now generated on the sender side. The advantage is that the reporter can easily pass additional metadata. Continuing with the example of the python excepthook: COREDUMP_PYTHON_EXECUTABLE=/usr/bin/python3 COREDUMP_PYTHON_VERSION=3.5.2 (default, Sep 14 2016, 11:28:32) [GCC 6.2.1 20160901 (Red Hat 6.2.1-1)] COREDUMP_PYTHON_THREAD_INFO=sys.thread_info(name='pthread', lock='semaphore', version='NPTL 2.24') COREDUMP_PYTHON_EXCEPTION_TYPE=ZeroDivisionError COREDUMP_PYTHON_EXCEPTION_VALUE=division by zero MESSAGE=Process 29514 (systemd_coredump_exception_handler.py) of user zbyszek failed with ZeroDivisionError: division by zero Traceback (most recent call last): File "systemd_coredump_exception_handler.py", line 134, in <module> g() File "systemd_coredump_exception_handler.py", line 133, in g f() File "systemd_coredump_exception_handler.py", line 131, in f div0 = 1 / 0 ZeroDivisionError: division by zero Local variables in innermost frame: a=3 h=<function f at 0x7efdc14b6ea0> One consideration is whether to use the Journal Export Format, or send packets over a UNIX socket instead. The advantage of current solution is that although parsing is more complicated on the receiver side, it is much easier to use on the sender side. I hope this can be used by various languages for which writing binary structures to a UNIX socket is harder and more likely to be done wrong than piping of a simple textyish format.
2017-02-15test-journal-importer: add a test case with broken inputZbigniew Jędrzejewski-Szmek
2017-02-15test-journal-importer: new test file to check the newly exported importer codeZbigniew Jędrzejewski-Szmek
Only one test case is added, but it is enough to check basic sanity of the code (single-line and binary fields and trusted fields, allocation and freeing).
2017-02-14Move export format parsing from src/journal-remote/ to src/basic/Zbigniew Jędrzejewski-Szmek
No functional change.
2017-02-14coredump: implement logging of external backtraces with --backtraceZbigniew Jędrzejewski-Szmek
This is useful for example for Python progams. By installing a python sys.execepthook we can store the backtrace in the journal. We gather the backtrace in the python process, and call systemd-coredump to attach additional fields (COREDUMP_COMM, COREDUMP_EXE, COREDUMP_UNIT, COREDUMP_USER_UNIT, COREDUMP_OWNER_UID, COREDUMP_SLICE, COREDUMP_CMDLINE, COREDUMP_CGROUP, COREDUMP_OPEN_FDS, COREDUMP_PROC_STATUS, COREDUMP_PROC_MAPS, COREDUMP_PROC_LIMITS, COREDUMP_PROC_MOUNTINFO, COREDUMP_CWD, COREDUMP_ROOT, COREDUMP_ENVIRON, COREDUMP_CONTAINER_CMDLINE). This could also be done in the python process, but doing this in systemd-coredump saves quite a bit of duplicate work and unifies the handling of various tricky fields like COREDUMP_CONTAINER_CMDLINE in one place. (Of course this applies to any other language which does not dump cores but wants to log a traceback, e.g. ruby.) journal entry: _TRANSPORT=journal _UID=1002 _GID=1002 _CAP_EFFECTIVE=0 _AUDIT_LOGINUID=1002 _SYSTEMD_OWNER_UID=1002 _SYSTEMD_SLICE=user-1002.slice _SYSTEMD_USER_SLICE=-.slice _SELINUX_CONTEXT=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 _BOOT_ID=1531fd22ec84429e85ae888b12fadb91 _MACHINE_ID=519a16632fbd4c71966ce9305b360c9c _HOSTNAME=laptop _AUDIT_SESSION=1 _SYSTEMD_UNIT=user@1002.service _SYSTEMD_INVOCATION_ID=3c4238d790a44aca9576ecdb2c7576d3 COREDUMP_UNIT=user@1002.service COREDUMP_USER_UNIT=gnome-terminal-server.service COREDUMP_UID=1002 COREDUMP_GID=1002 COREDUMP_OWNER_UID=1002 COREDUMP_SLICE=user-1002.slice COREDUMP_CGROUP=/user.slice/user-1002.slice/user@1002.service/gnome-terminal-server.service COREDUMP_PROC_LIMITS=Limit Soft Limit Hard Limit Units Max cpu time unlimited unlimited seconds Max file size unlimited unlimited bytes Max data size unlimited unlimited bytes Max stack size 8388608 unlimited bytes Max core file size unlimited unlimited bytes Max resident set unlimited unlimited bytes Max processes 15413 15413 processes Max open files 4096 4096 files Max locked memory 65536 65536 bytes Max address space unlimited unlimited bytes Max file locks unlimited unlimited locks Max pending signals 15413 15413 signals Max msgqueue size 819200 819200 bytes Max nice priority 0 0 Max realtime priority 0 0 Max realtime timeout unlimited unlimited us COREDUMP_PROC_CGROUP=1:name=systemd:/ 0::/user.slice/user-1002.slice/user@1002.service/gnome-terminal-server.service COREDUMP_PROC_MOUNTINFO=17 39 0:17 / /sys rw,nosuid,nodev,noexec,relatime shared:6 - sysfs sysfs rw,seclabel 18 39 0:4 / /proc rw,nosuid,nodev,noexec,relatime shared:5 - proc proc rw 19 39 0:6 / /dev rw,nosuid shared:2 - devtmpfs devtmpfs rw,seclabel,size=1972980k,nr_inodes=493245,mode=755 20 17 0:18 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime shared:7 - securityfs securityfs rw 21 19 0:19 / /dev/shm rw,nosuid,nodev shared:3 - tmpfs tmpfs rw,seclabel 22 19 0:20 / /dev/pts rw,nosuid,noexec,relatime shared:4 - devpts devpts rw,seclabel,gid=5,mode=620,ptmxmode=000 23 39 0:21 / /run rw,nosuid,nodev shared:12 - tmpfs tmpfs rw,seclabel,mode=755 24 17 0:22 / /sys/fs/cgroup rw,nosuid,nodev,noexec,relatime shared:8 - cgroup2 cgroup rw 25 17 0:23 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime shared:9 - pstore pstore rw,seclabel 36 17 0:24 / /sys/kernel/config rw,relatime shared:10 - configfs configfs rw 39 0 0:26 /root / rw,relatime shared:1 - btrfs /dev/mapper/fedora-root2 rw,seclabel,ssd,space_cache,subvolid=257,subvol=/root 26 17 0:16 / /sys/fs/selinux rw,relatime shared:11 - selinuxfs selinuxfs rw 27 19 0:15 / /dev/mqueue rw,relatime shared:13 - mqueue mqueue rw,seclabel 28 18 0:30 / /proc/sys/fs/binfmt_misc rw,relatime shared:14 - autofs systemd-1 rw,fd=35,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=13663 29 17 0:7 / /sys/kernel/debug rw,relatime shared:15 - debugfs debugfs rw,seclabel 30 19 0:31 / /dev/hugepages rw,relatime shared:16 - hugetlbfs hugetlbfs rw,seclabel 31 18 0:32 / /proc/fs/nfsd rw,relatime shared:17 - nfsd nfsd rw 32 28 0:33 / /proc/sys/fs/binfmt_misc rw,relatime shared:18 - binfmt_misc binfmt_misc rw 57 39 0:34 / /tmp rw,relatime shared:19 - tmpfs none rw,seclabel 61 57 0:35 / /tmp/test rw,relatime shared:20 - autofs systemd-1 rw,fd=48,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=18251 59 39 8:1 / /boot rw,relatime shared:21 - ext4 /dev/sda1 rw,seclabel,data=ordered 60 39 253:2 / /home rw,relatime shared:22 - ext4 /dev/mapper/fedora-home rw,seclabel,data=ordered 65 39 0:37 / /var/lib/nfs/rpc_pipefs rw,relatime shared:23 - rpc_pipefs sunrpc rw 136 23 0:39 / /run/user/1002 rw,nosuid,nodev,relatime shared:91 - tmpfs tmpfs rw,seclabel,size=397432k,mode=700,uid=1002,gid=1002 211 23 0:41 / /run/user/42 rw,nosuid,nodev,relatime shared:163 - tmpfs tmpfs rw,seclabel,size=397432k,mode=700,uid=42,gid=42 329 136 0:44 / /run/user/1002/gvfs rw,nosuid,nodev,relatime shared:277 - fuse.gvfsd-fuse gvfsd-fuse rw,user_id=1002,group_id=1002 287 61 253:3 / /tmp/test rw,relatime shared:236 - ext4 /dev/mapper/fedora-test rw,seclabel,data=ordered 217 23 0:42 / /run/user/1000 rw,nosuid,nodev,relatime shared:168 - tmpfs tmpfs rw,seclabel,size=397432k,mode=700,uid=1000,gid=1000 225 217 0:43 / /run/user/1000/gvfs rw,nosuid,nodev,relatime shared:175 - fuse.gvfsd-fuse gvfsd-fuse rw,user_id=1000,group_id=1000 COREDUMP_ROOT=/ PRIORITY=2 CODE_FILE=src/coredump/coredump.c SYSLOG_IDENTIFIER=lt-systemd-coredump _COMM=lt-systemd-core _SYSTEMD_CGROUP=/user.slice/user-1002.slice/user@1002.service/gnome-terminal-server.service _SYSTEMD_USER_UNIT=gnome-terminal-server.service MESSAGE_ID=1f4e0a44a88649939aaea34fc6da8c95 CODE_FUNC=process_traceback COREDUMP_COMM=python3 COREDUMP_EXE=/usr/bin/python3.5 COREDUMP_CMDLINE=python3 systemd_coredump_exception_handler.py COREDUMP_CWD=/home/zbyszek/src/systemd-coredump-python COREDUMP_RLIMIT=-1 COREDUMP_OPEN_FDS=0:/dev/pts/1 pos: 0 flags: 0102002 mnt_id: 22 1:/dev/pts/1 pos: 0 flags: 0102002 mnt_id: 22 2:/dev/pts/1 pos: 0 flags: 0102002 mnt_id: 22 CODE_LINE=1284 COREDUMP_SIGNAL=ZeroDivisionError: division by zero COREDUMP_ENVIRON=LANG=en_US.utf8 DISPLAY=:0 ... MANWIDTH=90 LC_MESSAGES=en_US.utf8 PYTHONPATH=. _=/usr/bin/python3 COREDUMP_PID=14498 COREDUMP_PROC_STATUS=Name: python3 Umask: 0002 State: S (sleeping) Tgid: 14498 Ngid: 0 Pid: 14498 PPid: 16245 TracerPid: 0 Uid: 1002 1002 1002 1002 Gid: 1002 1002 1002 1002 FDSize: 64 Groups: NStgid: 14498 NSpid: 14498 NSpgid: 14498 NSsid: 16245 VmPeak: 34840 kB VmSize: 34792 kB VmLck: 0 kB VmPin: 0 kB VmHWM: 9332 kB VmRSS: 9332 kB RssAnon: 4872 kB RssFile: 4460 kB RssShmem: 0 kB VmData: 5012 kB VmStk: 136 kB VmExe: 4 kB VmLib: 5452 kB VmPTE: 84 kB VmPMD: 12 kB VmSwap: 0 kB HugetlbPages: 0 kB Threads: 1 SigQ: 0/15413 SigPnd: 0000000000000000 ShdPnd: 0000000000000000 SigBlk: 0000000000000000 SigIgn: 0000000001001000 SigCgt: 0000000180000002 CapInh: 0000000000000000 CapPrm: 0000000000000000 CapEff: 0000000000000000 CapBnd: 0000003fffffffff CapAmb: 0000000000000000 Seccomp: 0 Cpus_allowed: f Cpus_allowed_list: 0-3 Mems_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001 Mems_allowed_list: 0 voluntary_ctxt_switches: 2 nonvoluntary_ctxt_switches: 47 COREDUMP_PROC_MAPS=55cb7b7fe000-55cb7b7ff000 r-xp 00000000 00:1a 5289186 /usr/bin/python3.5 55cb7b9ff000-55cb7ba00000 r--p 00001000 00:1a 5289186 /usr/bin/python3.5 55cb7ba00000-55cb7ba01000 rw-p 00002000 00:1a 5289186 /usr/bin/python3.5 55cb7c007000-55cb7c189000 rw-p 00000000 00:00 0 [heap] 7f4da2d51000-7f4da2d54000 r-xp 00000000 00:1a 5279150 /usr/lib64/python3.5/lib-dynload/resource.cpython-35m-x86_64-linux-gnu.so 7f4da2d54000-7f4da2f53000 ---p 00003000 00:1a 5279150 /usr/lib64/python3.5/lib-dynload/resource.cpython-35m-x86_64-linux-gnu.so 7f4da2f53000-7f4da2f54000 r--p 00002000 00:1a 5279150 /usr/lib64/python3.5/lib-dynload/resource.cpython-35m-x86_64-linux-gnu.so 7f4da2f54000-7f4da2f55000 rw-p 00003000 00:1a 5279150 /usr/lib64/python3.5/lib-dynload/resource.cpython-35m-x86_64-linux-gnu.so 7f4da2f55000-7f4da2f5d000 r-xp 00000000 00:1a 5279143 /usr/lib64/python3.5/lib-dynload/math.cpython-35m-x86_64-linux-gnu.so 7f4da2f5d000-7f4da315c000 ---p 00008000 00:1a 5279143 /usr/lib64/python3.5/lib-dynload/math.cpython-35m-x86_64-linux-gnu.so 7f4da315c000-7f4da315d000 r--p 00007000 00:1a 5279143 /usr/lib64/python3.5/lib-dynload/math.cpython-35m-x86_64-linux-gnu.so 7f4da315d000-7f4da315f000 rw-p 00008000 00:1a 5279143 /usr/lib64/python3.5/lib-dynload/math.cpython-35m-x86_64-linux-gnu.so 7f4da315f000-7f4da319f000 rw-p 00000000 00:00 0 7f4da319f000-7f4da31a4000 r-xp 00000000 00:1a 5279151 /usr/lib64/python3.5/lib-dynload/select.cpython-35m-x86_64-linux-gnu.so 7f4da31a4000-7f4da33a3000 ---p 00005000 00:1a 5279151 /usr/lib64/python3.5/lib-dynload/select.cpython-35m-x86_64-linux-gnu.so 7f4da33a3000-7f4da33a4000 r--p 00004000 00:1a 5279151 /usr/lib64/python3.5/lib-dynload/select.cpython-35m-x86_64-linux-gnu.so 7f4da33a4000-7f4da33a6000 rw-p 00005000 00:1a 5279151 /usr/lib64/python3.5/lib-dynload/select.cpython-35m-x86_64-linux-gnu.so 7f4da33a6000-7f4da33a9000 r-xp 00000000 00:1a 5279130 /usr/lib64/python3.5/lib-dynload/_posixsubprocess.cpython-35m-x86_64-linux-gnu.so 7f4da33a9000-7f4da35a8000 ---p 00003000 00:1a 5279130 /usr/lib64/python3.5/lib-dynload/_posixsubprocess.cpython-35m-x86_64-linux-gnu.so 7f4da35a8000-7f4da35a9000 r--p 00002000 00:1a 5279130 /usr/lib64/python3.5/lib-dynload/_posixsubprocess.cpython-35m-x86_64-linux-gnu.so 7f4da35a9000-7f4da35aa000 rw-p 00003000 00:1a 5279130 /usr/lib64/python3.5/lib-dynload/_posixsubprocess.cpython-35m-x86_64-linux-gnu.so 7f4da35aa000-7f4da362a000 rw-p 00000000 00:00 0 7f4da362a000-7f4da362c000 r-xp 00000000 00:1a 5279122 /usr/lib64/python3.5/lib-dynload/_heapq.cpython-35m-x86_64-linux-gnu.so 7f4da362c000-7f4da382b000 ---p 00002000 00:1a 5279122 /usr/lib64/python3.5/lib-dynload/_heapq.cpython-35m-x86_64-linux-gnu.so 7f4da382b000-7f4da382c000 r--p 00001000 00:1a 5279122 /usr/lib64/python3.5/lib-dynload/_heapq.cpython-35m-x86_64-linux-gnu.so 7f4da382c000-7f4da382e000 rw-p 00002000 00:1a 5279122 /usr/lib64/python3.5/lib-dynload/_heapq.cpython-35m-x86_64-linux-gnu.so 7f4da382e000-7f4da39ee000 rw-p 00000000 00:00 0 7f4da39ee000-7f4da3bab000 r-xp 00000000 00:1a 4844904 /usr/lib64/libc-2.24.so 7f4da3bab000-7f4da3daa000 ---p 001bd000 00:1a 4844904 /usr/lib64/libc-2.24.so 7f4da3daa000-7f4da3dae000 r--p 001bc000 00:1a 4844904 /usr/lib64/libc-2.24.so 7f4da3dae000-7f4da3db0000 rw-p 001c0000 00:1a 4844904 /usr/lib64/libc-2.24.so 7f4da3db0000-7f4da3db4000 rw-p 00000000 00:00 0 7f4da3db4000-7f4da3ebc000 r-xp 00000000 00:1a 4844910 /usr/lib64/libm-2.24.so 7f4da3ebc000-7f4da40bb000 ---p 00108000 00:1a 4844910 /usr/lib64/libm-2.24.so 7f4da40bb000-7f4da40bc000 r--p 00107000 00:1a 4844910 /usr/lib64/libm-2.24.so 7f4da40bc000-7f4da40bd000 rw-p 00108000 00:1a 4844910 /usr/lib64/libm-2.24.so 7f4da40bd000-7f4da40bf000 r-xp 00000000 00:1a 4844928 /usr/lib64/libutil-2.24.so 7f4da40bf000-7f4da42be000 ---p 00002000 00:1a 4844928 /usr/lib64/libutil-2.24.so 7f4da42be000-7f4da42bf000 r--p 00001000 00:1a 4844928 /usr/lib64/libutil-2.24.so 7f4da42bf000-7f4da42c0000 rw-p 00002000 00:1a 4844928 /usr/lib64/libutil-2.24.so 7f4da42c0000-7f4da42c3000 r-xp 00000000 00:1a 4844908 /usr/lib64/libdl-2.24.so 7f4da42c3000-7f4da44c2000 ---p 00003000 00:1a 4844908 /usr/lib64/libdl-2.24.so 7f4da44c2000-7f4da44c3000 r--p 00002000 00:1a 4844908 /usr/lib64/libdl-2.24.so 7f4da44c3000-7f4da44c4000 rw-p 00003000 00:1a 4844908 /usr/lib64/libdl-2.24.so 7f4da44c4000-7f4da44dc000 r-xp 00000000 00:1a 4844920 /usr/lib64/libpthread-2.24.so 7f4da44dc000-7f4da46dc000 ---p 00018000 00:1a 4844920 /usr/lib64/libpthread-2.24.so 7f4da46dc000-7f4da46dd000 r--p 00018000 00:1a 4844920 /usr/lib64/libpthread-2.24.so 7f4da46dd000-7f4da46de000 rw-p 00019000 00:1a 4844920 /usr/lib64/libpthread-2.24.so 7f4da46de000-7f4da46e2000 rw-p 00000000 00:00 0 7f4da46e2000-7f4da4917000 r-xp 00000000 00:1a 5277535 /usr/lib64/libpython3.5m.so.1.0 7f4da4917000-7f4da4b17000 ---p 00235000 00:1a 5277535 /usr/lib64/libpython3.5m.so.1.0 7f4da4b17000-7f4da4b1c000 r--p 00235000 00:1a 5277535 /usr/lib64/libpython3.5m.so.1.0 7f4da4b1c000-7f4da4b7f000 rw-p 0023a000 00:1a 5277535 /usr/lib64/libpython3.5m.so.1.0 7f4da4b7f000-7f4da4baf000 rw-p 00000000 00:00 0 7f4da4baf000-7f4da4bd4000 r-xp 00000000 00:1a 4844897 /usr/lib64/ld-2.24.so 7f4da4bdf000-7f4da4c10000 rw-p 00000000 00:00 0 7f4da4c10000-7f4da4c61000 r--p 00000000 00:1a 5225117 /usr/lib/locale/pl_PL.utf8/LC_CTYPE 7f4da4c61000-7f4da4d91000 r--p 00000000 00:1a 4844827 /usr/lib/locale/en_US.utf8/LC_COLLATE 7f4da4d91000-7f4da4d95000 rw-p 00000000 00:00 0 7f4da4dc1000-7f4da4dc2000 r--p 00000000 00:1a 4844832 /usr/lib/locale/en_US.utf8/LC_NUMERIC 7f4da4dc2000-7f4da4dc3000 r--p 00000000 00:1a 4844795 /usr/lib/locale/en_US.utf8/LC_TIME 7f4da4dc3000-7f4da4dc4000 r--p 00000000 00:1a 4844793 /usr/lib/locale/en_US.utf8/LC_MONETARY 7f4da4dc4000-7f4da4dc5000 r--p 00000000 00:1a 4844830 /usr/lib/locale/en_US.utf8/LC_MESSAGES/SYS_LC_MESSAGES 7f4da4dc5000-7f4da4dc6000 r--p 00000000 00:1a 4844847 /usr/lib/locale/en_US.utf8/LC_PAPER 7f4da4dc6000-7f4da4dc7000 r--p 00000000 00:1a 4844831 /usr/lib/locale/en_US.utf8/LC_NAME 7f4da4dc7000-7f4da4dc8000 r--p 00000000 00:1a 4844790 /usr/lib/locale/en_US.utf8/LC_ADDRESS 7f4da4dc8000-7f4da4dc9000 r--p 00000000 00:1a 4844794 /usr/lib/locale/en_US.utf8/LC_TELEPHONE 7f4da4dc9000-7f4da4dca000 r--p 00000000 00:1a 4844792 /usr/lib/locale/en_US.utf8/LC_MEASUREMENT 7f4da4dca000-7f4da4dd1000 r--s 00000000 00:1a 4845203 /usr/lib64/gconv/gconv-modules.cache 7f4da4dd1000-7f4da4dd2000 r--p 00000000 00:1a 4844791 /usr/lib/locale/en_US.utf8/LC_IDENTIFICATION 7f4da4dd2000-7f4da4dd4000 rw-p 00000000 00:00 0 7f4da4dd4000-7f4da4dd5000 r--p 00025000 00:1a 4844897 /usr/lib64/ld-2.24.so 7f4da4dd5000-7f4da4dd6000 rw-p 00026000 00:1a 4844897 /usr/lib64/ld-2.24.so 7f4da4dd6000-7f4da4dd7000 rw-p 00000000 00:00 0 7ffd24da1000-7ffd24dc2000 rw-p 00000000 00:00 0 [stack] 7ffd24de8000-7ffd24dea000 r--p 00000000 00:00 0 [vvar] 7ffd24dea000-7ffd24dec000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] COREDUMP_TIMESTAMP=1477877460000000 MESSAGE=Process 14498 (python3) of user 1002 failed with ZeroDivisionError: division by zero: Traceback (most recent call last): File "systemd_coredump_exception_handler.py", line 89, in <module> g() File "systemd_coredump_exception_handler.py", line 88, in g f() File "systemd_coredump_exception_handler.py", line 86, in f div0 = 1 / 0 # pylint: disable=W0612 ZeroDivisionError: division by zero Local variables in innermost frame: h=<function f at 0x7f4da3606e18> a=3 _PID=14499 _SOURCE_REALTIME_TIMESTAMP=1477877460025975
2017-02-14coredump: split out metadata gathering to a separate functionZbigniew Jędrzejewski-Szmek
In preparation for subsequenct changes... Various stack allocations are changed to use the heap. This might be minimally slower, but probably doesn't matter. The upside is that we will now properly free all memory that is allocated.
2017-02-14virt: detect qemu/kvm as 'kvm'Christian Hesse
In commit 050e65a we swapped order of detect_vm_{cpuid,dmi}(). That fixed Virtualbox but broke qemu with kvm, which is expected to return 'kvm'. So check for qemu/kvm first, then DMI, CPUID last. This fixes #5318. Signed-off-by: Christian Hesse <mail@eworm.de>
2017-02-14Merge pull request #5335 from poettering/resolved-some-fixesLennart Poettering
some post-mdns fixes for resolved
2017-02-14Define clone order on ppc (#5325)Zbigniew Jędrzejewski-Szmek
This was tested on ppc64le. Assume the same is true for ppc64.
2017-02-14resolved: restore ANY reply behaviour for mDNSLennart Poettering
This restores behaviour of 53fda2bb933694c9bdb1bbf1f5583e39673b74b2: for mDNS (and mDNS only) we'll match replies to transactions honouring ANY matches.
2017-02-14resolved: size the mdns announce answer array properlyLennart Poettering
The array doesn't grow dynamically, hence pick the right size at the moment of allocation. Let's simply multiply the number of addresses of this link by 2, as that's how many RRs we maintain for it.
2017-02-13Merge pull request #5298 from martinpitt/relocatable-testsZbigniew Jędrzejewski-Szmek
test: make unit tests relocatable and add an "install-tests" make target
2017-02-13fstab-generator: quiesce false-positive -Werror=format-nonliteral (#5336)Martin Pitt
Commit ae3251851 changed the fprintf() format argument into a variable which triggers a gcc 6.3 warning/error: src/fstab-generator/fstab-generator.c:243:17: error: format not a string literal, argument types not checked [-Werror=format-nonliteral] fprintf(f, format, res); This is a false positive, as the function is only being called with constant (not user-definable) arguments which are valid format strings.
2017-02-13test: make unit tests relocatableMartin Pitt
It is useful to package test-* binaries and run them as root under autopkgtest or manually on particular machines. They currently have a built-in hardcoded absolute path to their test data, which does not work when running the test programs from any other path than the original build directory. By default, make the tests look for their data in <test_exe_directory>/testdata/ so that they can be called from any directory (provided that the corresponding test data is installed correctly). As we don't have a fixed static path in the build tree (as build and source tree are independent), set $TEST_DIR with "make check" to point to <srcdir>/test/, as we previously did with an automake variable.
2017-02-13test: move resolved test data into test/Martin Pitt
Moe test-resolve's test data from src/resolve/test-data to test/test-resolve/ to be consistent with test/test-{execute,path}/. This will make it easier to make the tests relocatable.
2017-02-13fstab-generator: add x-systemd.before and x-systemd.after fstab options (#5330)Ruslan Bilovol
Currently fstab entries with 'nofail' option are mounted asynchronously and there is no way how to specify dependencies between such fstab entry and another units. It means that users are forced to write additional dependency units manually. The patch introduces new systemd fstab options: x-systemd.before=<PATH> x-systemd.after=<PATH> - to specify another mount dependency (PATH is translated to unit name) x-systemd.before=<UNIT> x-systemd.after=<UNIT> - to specify arbitrary UNIT dependency For example mount where A should be mounted before local-fs.target unit: /dev/sdb1 /mnt/test/A none nofail,x-systemd.before=local-fs.target
2017-02-13resolved: name announce timer event sourceLennart Poettering
2017-02-13resolved: let's propagate errors from dns_scope_announce() and elsewhereLennart Poettering
We don't actually make use of the return value for now, but it matches our coding style elsewhere, and it actually shortens our code quite a bit. Also, add a missing OOM check after dns_answer_new().
2017-02-13resolved: count the number of addresses per linkLennart Poettering
This becomes handy later on. Moreover, we keep track of similar counters for other objects like this too, hence adding this here too is obvious.
2017-02-13resolved: don't return ANY transactions when looking for transactionsLennart Poettering
This reverts a part of 53fda2bb933694c9bdb1bbf1f5583e39673b74b2: On classic DNS and LLMNR ANY requests may be replied to with any kind of RR, and the reply does not have to be comprehensive: these protocols simply define that if there's an RRset that can answer the question, then at least one should be sent as reply, but not necessarily all. This means it's not safe to "merge" transactions for arbitrary RR types into ANY requests, as the reply might not answer the specific question. As the merging is primarily an optimization, let's undo this for now. This logic may be readded later, in a way that only applies to mDNS. Also, there's an OOM problem with this chunk: dns_resource_key_new() might fail due to OOM and this is not handled. (This is easily removed though, by using DNS_RESOURCE_KEY_CONST()).
2017-02-13Merge pull request #5331 from namhyung/coredump-reverseDjalal Harouni
Add -r/--reverse option to coredumpctl
2017-02-13Merge pull request #5319 from keszybz/test-executeLennart Poettering
test-execute without capsh
2017-02-13coredumpctl: Add -r/--reverse optionNamhyung Kim
Like journalctl, users sometimes want to see coredump list in reverse order. Signed-off-by: Namhyung Kim <namhyung@gmail.com>
2017-02-13coredumpctl: Remove dubious newline in the help messageNamhyung Kim
It seems the -o opiton and -D option can be printed together. Signed-off-by: Namhyung Kim <namhyung@gmail.com>
2017-02-13Merge pull request #5322 from keszybz/silence-gcc-warningMartin Pitt
Silence gcc warnings
2017-02-12Merge pull request #4832 from rojkov/mdnsZbigniew Jędrzejewski-Szmek
2017-02-12seccomp: disable RestrictAddressFamilies= for the ABI we shall block, not ↵Lennart Poettering
the one we are compiled for (#5272) It's a difference. Not a big one, but let's be correct here.
2017-02-12Merge pull request #5276 from poettering/resolved-cnameZbigniew Jędrzejewski-Szmek
a good number of resolved fixes
2017-02-12core/dbus: silence gcc warning about unitialized variableZbigniew Jędrzejewski-Szmek
src/core/dbus.c: In function 'find_unit': src/core/dbus.c:334:15: warning: 'u' may be used uninitialized in this function [-Wmaybe-uninitialized] *unit = u; ^ src/core/dbus.c:301:15: note: 'u' was declared here Unit *u; ^
2017-02-12core/manager: silence gcc warning about unitialized variableZbigniew Jędrzejewski-Szmek
At -O3, this was printed a hundred times for various callers of manager_add_job_by_name(). AFAICT, there is no error and `unit` is always intialized. Nevertheless, add explicit initialization to silence the noise. src/core/manager.c: In function 'manager_start_target': src/core/manager.c:1413:16: warning: 'unit' may be used uninitialized in this function [-Wmaybe-uninitialized] return manager_add_job(m, type, unit, mode, e, ret); ^ src/core/manager.c:1401:15: note: 'unit' was declared here Unit *unit; ^
2017-02-12core/manager: make manager_load_unit*() functions always take output argZbigniew Jędrzejewski-Szmek
We were inconsistent, manager_load_unit_prepare() would crash if _ret was ever NULL. But none of the callers use NULL. So simplify things and require it to be non-NULL.
2017-02-12core: skip ReadOnlyPaths= and other permission-related mounts on ↵Lennart Poettering
PermissionsStartOnly= (#5309) ReadOnlyPaths=, ProtectHome=, InaccessiblePaths= and ProtectSystem= are about restricting access and little more, hence they should be disabled if PermissionsStartOnly= is used or ExecStart= lines are prefixed with a "+". Do that. (Note that we will still create namespaces and stuff, since that's about a lot more than just permissions. We'll simply disable the effect of the four options mentioned above, but nothing else mount related.) This also adds a test for this, to ensure this works as intended. No documentation updates, as the documentation are already vague enough to support the new behaviour ("If true, the permission-related execution options…"). We could clarify this further, but I think we might want to extend the switches' behaviour a bit more in future, hence leave it at this for now. Fixes: #5308
2017-02-12calendarspec: fix duplicate detection (#5310)Doug Christman
a2eb5ea79c added a new field to `CalendarComponent`; update `normalize_chain` to compare all fields when dropping duplicates
2017-02-12shared: pass *unsigned_long to namespace_flag_from_string_many (#5315)Evgeny Vereshchagin
Fixes: ``` src/shared/bus-unit-util.c: In function ‘bus_append_unit_property_assignment’: src/shared/bus-unit-util.c:570:65: warning: passing argument 2 of ‘namespace_flag_from_string_many’ from incompatible pointer type [-Wincompatible-pointer-types] r = namespace_flag_from_string_many(eq, &flags); ^ In file included from src/shared/bus-unit-util.c:31:0: src/shared/nsflags.h:41:5: note: expected ‘long unsigned int *’ but argument is of type ‘uint64_t * {aka long long unsigned int *}’ int namespace_flag_from_string_many(const char *name, unsigned long *ret); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``` Closes #5312
2017-02-12shared: convert unsigned long to uint64_t explicitly (#5314)Evgeny Vereshchagin
Closes #5313
2017-02-12Merge pull request #5303 from poettering/deleted-unitsZbigniew Jędrzejewski-Szmek
a small number of install and unit management related fixes
2017-02-12test-execute: use __func__ to shorten messagesZbigniew Jędrzejewski-Szmek
2017-02-12test-execute: detect missing capsh in all testsZbigniew Jędrzejewski-Szmek
Fixes #5273.
2017-02-11networkd: add IPv6ProxyNDPAddress support (#5174)Florian Klink
IPv6 Neighbor discovery proxy is the IPv6 equivalent to proxy ARP for IPv4. It is required when ISPs do not unconditional route IPv6 subnets to their designated target, but expect neighbor solicitation messages for every address on a link. A variable IPv6ProxyNDPAddress= is introduced to the [Network] section, each representing a IPv6 neighbour proxy entry in the neighbour table.
2017-02-10basic/architecture: adjust Risc-V ifdef (#5304)Zbigniew Jędrzejewski-Szmek
https://lists.freedesktop.org/archives/systemd-devel/2017-February/038286.html Let's keep both the old and new for now, so systemd builds correctly in either environment. Later on we should drop the old.
2017-02-10seccomp: order seccomp ABI list, so that our native ABI comes last (#5306)Lennart Poettering
this way, we can still call seccomp ourselves, even if seccomp() is blocked by the filter we are installing. Fixes: #5300
2017-02-10path-lookup: if $HOME can be determined but $XDG_RUNTIME_DIR can't, is itLennart Poettering
So far, if either $HOME or $XDG_RUNTIME_DIR is not set we wouldn't use either, and fail acquire_config_dirs() and acquire_control_dirs() in their entireties. With this change, let's make use of the variables we can acquire, and don't bother with the other. Specifically this means: in both acquire_config_dirs() and acquire_control_dirs() handle ENXIO from user_config_dir() and user_runtime_dir() directly, instead of propagating it up and handling it in the caller.
2017-02-10path-lookup: drop redundant strv_isempty() checkLennart Poettering
If the strv is empty, then strv_extend_strv_concat() is a NOP anyway, and hence there is no reason to guard for this explicitly.
2017-02-10path-lookup: try harder acquiring them $HOME of a userLennart Poettering
Let's use get_home_dir() for figuring out the home directory, so that there's a good chance we succeed figuring out unit locations even if $HOME isn't set. Fixes: #5260
2017-02-10install: never hit assert() when we can't figure out where to write ↵Lennart Poettering
configuration symlinks Under specific circumstances it might happen that we can't figure out where to place our symlinks, for example because we are supposed to create them in the runtime directory but $XDG_RUNTIME_DIR is not set. In this case, return -ENXIO instead of hitting an assert(). (Yeah, the error isn't very descriptive, but for now this should at least be good enough to remove the assert() being hit.)
2017-02-10install: when disabling units, do so even if the unit is missingLennart Poettering
In some cases there might be unit symlinks in .wants/ or .requires/ directories even though the unit is otherwise fully removed. In this case, don't fail removal, but still remove the symlinks. This reworks the symlink marking logic to always add unit files that we are missing to the changes list, but proceed with any symlink removal for them. This way we'll still generate useful hints that a unit is missing if you invoke "systemctl disable idontexist.service", but also still remove any link to it. Fixes: #4995
2017-02-10dbus: check selinux privilege before returning process listLennart Poettering
We protect less interetsing stuff with selinux "status", let's do that here too.
2017-02-09core: make sure to destroy all name watching bus slots when we are kicked ↵Lennart Poettering
off the bus (#5294) Fixes: #4528
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