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The check for the setcap binary was added in commit
dd5ae4c36c to set the CAP_MAC_ADMIN
capability for systemd-bus-proxyd. Later on, bus-proxyd was removed in
commit 798c486fbc.
So remove the leftover setcap configure check as well.
For normal arches this doesn't matter, but on arm32 arg_journal_size_max was smaller
than the other *SizeMax variables. This doesn't seem useful.
This is anothet part of the fix in 5206a724a0.
It's pointless to call AC_SUBST more than once on the same variable. Because
of all the copypasta, we were mixing CLFAGS and LDFLAGS.
… and the assertion in previous commit was wrong. PPC64 is a special snowflake.
__SANE_USERSPACE_TYPES__ is needed on PPC64 to make __u64 be llu, instead of
lu. Considering that both lu and llu are 64 bits, there's nothing sane about
this, maybe the flag should be called __INSANE_USERSPACE_TYPES__ instead. Sane
or not, this makes ppc64 kernel headers behave consistent with other
architectures. With this flag, no warnings are emitted at -O0 level.
Commit b006762 inverted the initial exit code which is relevant for --help and
--version without a particular reason. For these special options, parse_argv()
returns 0 so that our main() immediately skips to the end without adjusting
"ret". Otherwise, if an actual container is being started, ret is set on error
in run(), which still provides the "non-zero exit on error" behaviour.
Fixes#4605.
If the "systemctl start" happens at an "unlucky" time such as 1000.9 seconds
and then e. g. runs for 2.6 s (sleep 2 plus the overhead of starting the unit
and waiting for it) the END_SEC would be 1003.5s which would round to 1004,
making the difference 4. On busier testbeds the overhead apparently can take a
bit more than 0.5s. The main point is really that it doesn't wait that much
longer, so "-le 4" seems perfectly fine. We allow up to 1.5s in the subsequent
"wait5fail" test below too.
Fixes#4582
In file included from ./src/basic/macro.h:415:0,
from ./src/shared/acl-util.h:28,
from src/coredump/coredump.c:36:
src/coredump/coredump.c: In function ‘submit_coredump’:
src/coredump/coredump.c:711:26: warning: format ‘%zu’ expects argument of type ‘size_t’, but argument 7 has type ‘uint64_t {aka long long unsigned int}’ [-Wformat=]
log_info("The core will not be stored: size %zu is greater than %zu (the configured maximum)",
^
./src/basic/log.h:175:82: note: in definition of macro ‘log_full_errno’
? log_internal(_level, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
^~~~~~~~~~~
./src/basic/log.h:183:28: note: in expansion of macro ‘log_full’
#define log_info(...) log_full(LOG_INFO, __VA_ARGS__)
^~~~~~~~
src/coredump/coredump.c:711:17: note: in expansion of macro ‘log_info’
log_info("The core will not be stored: size %zu is greater than %zu (the configured maximum)",
^~~~~~~~
src/coredump/coredump.c:711:26: warning: format ‘%zu’ expects argument of type ‘size_t’, but argument 8 has type ‘uint64_t {aka long long unsigned int}’ [-Wformat=]
log_info("The core will not be stored: size %zu is greater than %zu (the configured maximum)",
^
./src/basic/log.h:175:82: note: in definition of macro ‘log_full_errno’
? log_internal(_level, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
^~~~~~~~~~~
./src/basic/log.h:183:28: note: in expansion of macro ‘log_full’
#define log_info(...) log_full(LOG_INFO, __VA_ARGS__)
^~~~~~~~
src/coredump/coredump.c:711:17: note: in expansion of macro ‘log_info’
log_info("The core will not be stored: size %zu is greater than %zu (the configured maximum)",
^~~~~~~~
src/coredump/coredump.c:741:27: warning: format ‘%zu’ expects argument of type ‘size_t’, but argument 7 has type ‘uint64_t {aka long long unsigned int}’ [-Wformat=]
log_debug("Not generating stack trace: core size %zu is greater than %zu (the configured maximum)",
^
./src/basic/log.h:175:82: note: in definition of macro ‘log_full_errno’
? log_internal(_level, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
^~~~~~~~~~~
./src/basic/log.h:182:28: note: in expansion of macro ‘log_full’
#define log_debug(...) log_full(LOG_DEBUG, __VA_ARGS__)
^~~~~~~~
src/coredump/coredump.c:741:17: note: in expansion of macro ‘log_debug’
log_debug("Not generating stack trace: core size %zu is greater than %zu (the configured maximum)",
^~~~~~~~~
src/coredump/coredump.c:741:27: warning: format ‘%zu’ expects argument of type ‘size_t’, but argument 8 has type ‘uint64_t {aka long long unsigned int}’ [-Wformat=]
log_debug("Not generating stack trace: core size %zu is greater than %zu (the configured maximum)",
^
./src/basic/log.h:175:82: note: in definition of macro ‘log_full_errno’
? log_internal(_level, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
^~~~~~~~~~~
./src/basic/log.h:182:28: note: in expansion of macro ‘log_full’
#define log_debug(...) log_full(LOG_DEBUG, __VA_ARGS__)
^~~~~~~~
src/coredump/coredump.c:741:17: note: in expansion of macro ‘log_debug’
log_debug("Not generating stack trace: core size %zu is greater than %zu (the configured maximum)",
^~~~~~~~~
src/coredump/coredump.c:768:34: warning: format ‘%zu’ expects argument of type ‘size_t’, but argument 7 has type ‘uint64_t {aka long long unsigned int}’ [-Wformat=]
log_info("The core will not be stored: size %zu is greater than %zu (the configured maximum)",
^
./src/basic/log.h:175:82: note: in definition of macro ‘log_full_errno’
? log_internal(_level, _e, __FILE__, __LINE__, __func__, __VA_ARGS__) \
^~~~~~~~~~~
./src/basic/log.h:183:28: note: in expansion of macro ‘log_full’
#define log_info(...) log_full(LOG_INFO, __VA_ARGS__)
^~~~~~~~
src/coredump/coredump.c:768:25: note: in expansion of macro ‘log_info’
log_info("The core will not be stored: size %zu is greater than %zu (the configured maximum)",
^~~~~~~~
We don't have plural in the name of any other -util files and this
inconsistency trips me up every time I try to type this file name
from memory. "formats-util" is even hard to pronounce.
Instead of having two fields inside BindMount struct where one is stack
based and the other one is heap, use one field to store the full path
and updated it when we chase symlinks. This way we avoid dealing with
both at the same time.
This makes RootDirectory= work with ProtectHome= and ProtectKernelModules=yes
Fixes: https://github.com/systemd/systemd/issues/4567
If systemd is built with --enable-split-usr, but the system is indeed a
merged-usr system, then systemd-delta gets all confused and reports
that all units and configuration files have been overridden.
Skip any prefix paths that are symlinks in this case.
Fixes: #4573
This new setting permits restricting whether namespaces may be created and
managed by processes started by a unit. It installs a seccomp filter blocking
certain invocations of unshare(), clone() and setns().
RestrictNamespaces=no is the default, and does not restrict namespaces in any
way. RestrictNamespaces=yes takes away the ability to create or manage any kind
of namspace. "RestrictNamespaces=mnt ipc" restricts the creation of namespaces
so that only mount and IPC namespaces may be created/managed, but no other
kind of namespaces.
This setting should be improve security quite a bit as in particular user
namespacing was a major source of CVEs in the kernel in the past, and is
accessible to unprivileged processes. With this setting the entire attack
surface may be removed for system services that do not make use of namespaces.
Fixes:
$ ./libtool --mode execute valgrind --leak-check=full ./journalctl >/dev/null
==22309== Memcheck, a memory error detector
==22309== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==22309== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==22309== Command: /home/vagrant/systemd/.libs/lt-journalctl
==22309==
Hint: You are currently not seeing messages from other users and the system.
Users in groups 'adm', 'systemd-journal', 'wheel' can see all messages.
Pass -q to turn off this notice.
==22309==
==22309== HEAP SUMMARY:
==22309== in use at exit: 8,680 bytes in 4 blocks
==22309== total heap usage: 5,543 allocs, 5,539 frees, 9,045,618 bytes allocated
==22309==
==22309== 488 (56 direct, 432 indirect) bytes in 1 blocks are definitely lost in loss record 2 of 4
==22309== at 0x4C2BBAD: malloc (vg_replace_malloc.c:299)
==22309== by 0x6F37A0A: __new_var_obj_p (__libobj.c:36)
==22309== by 0x6F362F7: __acl_init_obj (acl_init.c:28)
==22309== by 0x6F37731: __acl_from_xattr (__acl_from_xattr.c:54)
==22309== by 0x6F36087: acl_get_file (acl_get_file.c:69)
==22309== by 0x4F15752: acl_search_groups (acl-util.c:172)
==22309== by 0x113A1E: access_check_var_log_journal (journalctl.c:1836)
==22309== by 0x113D8D: access_check (journalctl.c:1889)
==22309== by 0x115681: main (journalctl.c:2236)
==22309==
==22309== LEAK SUMMARY:
==22309== definitely lost: 56 bytes in 1 blocks
==22309== indirectly lost: 432 bytes in 1 blocks
==22309== possibly lost: 0 bytes in 0 blocks
==22309== still reachable: 8,192 bytes in 2 blocks
==22309== suppressed: 0 bytes in 0 blocks
Fixes build error on recent toolchains:
../src/test/test-seccomp.c:35: error: undefined reference to 'seccomp_arch_native'
collect2: error: ld returned 1 exit status
This reverts commit 75ead2b753.
Follow up for #4546:
> @@ -848,8 +848,7 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k) {
if (k->src_id == KDBUS_SRC_ID_KERNEL)
bus_message_set_sender_driver(bus, m);
else {
- xsprintf(m->sender_buffer, ":1.%llu",
- (unsigned long long)k->src_id);
+ xsprintf(m->sender_buffer, ":1.%"PRIu64, k->src_id);
This produces:
src/libsystemd/sd-bus/bus-kernel.c: In function ‘bus_kernel_make_message’:
src/libsystemd/sd-bus/bus-kernel.c:851:44: warning: format ‘%lu’ expects argument of type ‘long
unsigned int’, but argument 4 has type ‘__u64 {aka long long unsigned int}’ [-Wformat=]
xsprintf(m->sender_buffer, ":1.%"PRIu64, k->src_id);
^
Make sure that when DynamicUser= is set that we intialize the user
supplementary groups and that we also support SupplementaryGroups=
Fixes: https://github.com/systemd/systemd/issues/4539
Thanks Evgeny Vereshchagin (@evverx)
