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Since #15533 we didn't create the mount point for selinuxfs anymore.
Before it we created it twice because we mount selinuxfs twice: once the
superblock, and once we remount its bind mound read-only. The second
mkdir would mean we'd chown() the host version of selinuxfs (since
there's only one selinuxfs superblock kernel-wide).
The right time to create mount point point is once: before we mount the
selinuxfs. But not a second time for the remount.
Fixes: #16032
This also adds a <citerefentry project="url"> type,
since the other btrfs manpages use man-pages/die-net and are alive,
and btrfs.w.k.o won't be used anywhere else
We'd try to map a zero-byte buffer from a NULL pointer, which is undefined behaviour.
src/systemd/src/libsystemd/sd-bus/bus-message.c:3161:60: runtime error: applying zero offset to null pointer
#0 0x7f6ff064e691 in find_part /work/build/../../src/systemd/src/libsystemd/sd-bus/bus-message.c:3161:60
#1 0x7f6ff0640788 in message_peek_body /work/build/../../src/systemd/src/libsystemd/sd-bus/bus-message.c:3283:16
#2 0x7f6ff064e8db in enter_struct_or_dict_entry /work/build/../../src/systemd/src/libsystemd/sd-bus/bus-message.c:3967:21
#3 0x7f6ff06444ac in bus_message_enter_struct /work/build/../../src/systemd/src/libsystemd/sd-bus/bus-message.c:4009:13
#4 0x7f6ff0641dde in sd_bus_message_enter_container /work/build/../../src/systemd/src/libsystemd/sd-bus/bus-message.c:4136:21
#5 0x7f6ff0619874 in sd_bus_message_dump /work/build/../../src/systemd/src/libsystemd/sd-bus/bus-dump.c:178:29
#6 0x4293d9 in LLVMFuzzerTestOneInput /work/build/../../src/systemd/src/fuzz/fuzz-bus-message.c:39:9
#7 0x441986 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/libfuzzer/FuzzerLoop.cpp:558:15
#8 0x44121e in fuzzer::Fuzzer::RunOne(unsigned char const*, unsigned long, bool, fuzzer::InputInfo*, bool*) /src/libfuzzer/FuzzerLoop.cpp:470:3
#9 0x443164 in fuzzer::Fuzzer::ReadAndExecuteSeedCorpora(std::__1::vector<fuzzer::SizedFile, fuzzer::fuzzer_allocator<fuzzer::SizedFile> >&) /src/libfuzzer/FuzzerLoop.cpp:770:7
#10 0x4434bc in fuzzer::Fuzzer::Loop(std::__1::vector<fuzzer::SizedFile, fuzzer::fuzzer_allocator<fuzzer::SizedFile> >&) /src/libfuzzer/FuzzerLoop.cpp:799:3
#11 0x42d2bc in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/libfuzzer/FuzzerDriver.cpp:846:6
#12 0x42978a in main /src/libfuzzer/FuzzerMain.cpp:19:10
#13 0x7f6fef13c82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
#14 0x407808 in _start (out/fuzz-bus-message+0x407808)
set_put()/set_ensure_put() return 0, not -EEXIST, if the entry is already
found in the set. In this case this does not make any difference, but let's
not confuse the reader.
We would say "ignoring", but invalidate the peer anyway.
Let's only do that if we modified the peer irreperably.
Also add comments explaining allocation handling.
Patch contains a coccinelle script, but it only works in some cases. Many
parts were converted by hand.
Note: I did not fix errors in return value handing. This will be done separate
to keep the patch comprehensible. No functional change is intended in this
patch.
It's such a common operation to allocate the set and put an item in it,
that it deserves a helper. set_ensure_put() has the same return values
as set_put().
Comes with tests!
Concatenating strings is not a very efficient approach. And in this case fully
unnecessary. We also need some rules to make use of those hwdb entries.
PCI needs to be 8 characters, not 4. And we need to use uppercase hexadecimal
for both. With udev rules this made no difference, but hwdb match is case
sensitive.
Fixes#16119.
Currently the manual doesn't clearly say whether `homectl update username -G group` will append the group to the user, or overwrite the list and remove user from the groups that aren't specified.
Fix this by updating the manual, basing the change on the usermod manual.
Access to bit fields is less efficient, and since the Manager is a singleton,
a byte or two of space in the structure doesn't matter at all. (And in this
particular case, because of alignment issues, we wouldn't save anything
anyway.)
We said that ~domains "do not define a search path", which is mighty confusing,
because this is exactly what they do. So let's try to make this a bit easier
for the reader: start by saying that there are two things going on here, and
describe each one from user's POV.
Running the import more than once shouldn't matter, but it's a bit confusing
and causes a slowdown too. This patch reworks the rules to avoid duplicted runs,
but tries to keep the same imports. (E.g. import for pci devices without MODALIAS
is only done for tty devices.)
Note that this is only about hwdb import with argument, which uses MODALIAS as
the lookup key. There are other imports done with different lookup keys.
The key macros added in commit 6fe95d3020 look strange at first sight.
Add a comment with just the tablet name after each line, so that it's
obvious that these lines address device-specific issues of the EFI
firmware, and not broken/old code.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
