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This lets the libc/xcrypt allocate as much storage area as it needs.
Should fix#16965:
testsuite-46.sh[74]: ==74==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7f3e972e1080 at pc 0x7f3e9be8deed bp 0x7ffce4f28530 sp 0x7ffce4f27ce0
testsuite-46.sh[74]: WRITE of size 131232 at 0x7f3e972e1080 thread T0
testsuite-46.sh[74]: #0 0x7f3e9be8deec (/usr/lib/clang/10.0.1/lib/linux/libclang_rt.asan-x86_64.so+0x9feec)
testsuite-46.sh[74]: #1 0x559cd05a6412 in user_record_make_hashed_password /systemd-meson-build/../build/src/home/user-record-util.c:818:21
testsuite-46.sh[74]: #2 0x559cd058fb03 in create_home /systemd-meson-build/../build/src/home/homectl.c:1112:29
testsuite-46.sh[74]: #3 0x7f3e9b5b3058 in dispatch_verb /systemd-meson-build/../build/src/shared/verbs.c:103:24
testsuite-46.sh[74]: #4 0x559cd058c101 in run /systemd-meson-build/../build/src/home/homectl.c:3325:16
testsuite-46.sh[74]: #5 0x559cd058c00a in main /systemd-meson-build/../build/src/home/homectl.c:3328:1
testsuite-46.sh[74]: #6 0x7f3e9a88b151 in __libc_start_main (/usr/lib/libc.so.6+0x28151)
testsuite-46.sh[74]: #7 0x559cd0583e7d in _start (/usr/bin/homectl+0x24e7d)
testsuite-46.sh[74]: Address 0x7f3e972e1080 is located in stack of thread T0 at offset 32896 in frame
testsuite-46.sh[74]: #0 0x559cd05a60df in user_record_make_hashed_password /systemd-meson-build/../build/src/home/user-record-util.c:789
testsuite-46.sh[74]: This frame has 6 object(s):
testsuite-46.sh[74]: [32, 40) 'priv' (line 790)
testsuite-46.sh[74]: [64, 72) 'np' (line 791)
testsuite-46.sh[74]: [96, 104) 'salt' (line 809)
testsuite-46.sh[74]: [128, 32896) 'cd' (line 810)
testsuite-46.sh[74]: [33152, 33168) '.compoundliteral' <== Memory access at offset 32896 partially underflows this variable
testsuite-46.sh[74]: [33184, 33192) 'new_array' (line 832) <== Memory access at offset 32896 partially underflows this variable
testsuite-46.sh[74]: HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
testsuite-46.sh[74]: (longjmp and C++ exceptions *are* supported)
testsuite-46.sh[74]: SUMMARY: AddressSanitizer: stack-buffer-overflow (/usr/lib/clang/10.0.1/lib/linux/libclang_rt.asan-x86_64.so+0x9feec)
It seems 'struct crypt_data' is 32896 bytes, but libclang_rt wants more, at least 33168?
Binaries might not initialize SELinux, e.g. when they normally do not
create files with the SELinux default context.
If they, via an internal libary function, call a _label() function,
mac_selinux_maybe_reload() gets called. Since the SELinux status page
has not been opened, selinux_status_updated() will fail with EINVAL.
This affects particularly test binaries.
Just exit early and avoid confusing debug logs.
Let's make sure we keep a reference to the event source
(Note that this code is currently not used, which is why this was never
used: in all cases we do not add listener fds after the event is
attached, but before. In that case this code is not called.)
We support read-only ptyfwd options, and on those the input event source
won't be allocated. Deal with that and don't invoke a function on it
that will then instantly fail.
So far we kept all defines directly originating from the spec in
sd-bus-protocol.h, do this for this too.
The precise place doesn't matter much API-wise given that sd-bus.h includes
sd-bus-protocol.h, hence let's just clean this up.
The new methods work as the unflavoured ones, but takes flags as a
single uint64_t DBUS parameters instead of different booleans, so
that it can be extended without breaking backward compatibility.
Add new flag to allow adding/removing symlinks in
[/etc|/run]/systemd/system.attached so that portable services
configuration files can be self-contained in those directories, without
affecting the system services directories.
Use the new methods and flags from portablectl --enable.
Useful in case /etc is read-only, with only the portable services
directories being mounted read-write.
This fixes the following issue:
- If a DHCP lease does not contains router option, then routes with
`Gateway=_dhcp` setting introduce unexpected results.
This also makes several failure paths critical. And adjust warnings when
classless routes are provided.
