Yonghong Song eb166e522c bpf: Allow helper bpf_get_[ns_]current_pid_tgid() for all prog types ... Currently bpf_get_current_pid_tgid() is allowed in tracing, cgroup and sk_msg progs while bpf_get_ns_current_pid_tgid() is only allowed in tracing progs. We have an internal use case where for an application running in a container (with pid namespace), user wants to get the pid associated with the pid namespace in a cgroup bpf program. Currently, cgroup bpf progs already allow bpf_get_current_pid_tgid(). Let us allow bpf_get_ns_current_pid_tgid() as well. With auditing the code, bpf_get_current_pid_tgid() is also used by sk_msg prog. But there are no side effect to expose these two helpers to all prog types since they do not reveal any kernel specific data. The detailed discussion is in [1]. So with this patch, both bpf_get_current_pid_tgid() and bpf_get_ns_current_pid_tgid() are put in bpf_base_func_proto(), making them available to all program types. [1] https://lore.kernel.org/bpf/20240307232659.1115872-1-yonghong.song@linux.dev/ Signed-off-by: Yonghong Song <yonghong.song@linux.dev> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Link: https://lore.kernel.org/bpf/20240315184854.2975190-1-yonghong.song@linux.dev		2024-03-19 14:24:07 -07:00
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bpf	bpf: Allow helper bpf_get_[ns_]current_pid_tgid() for all prog types	2024-03-19 14:24:07 -07:00
cgroup	Networking changes for 6.9.	2024-03-12 17:44:08 -07:00
configs	Networking changes for 6.9.	2024-03-12 17:44:08 -07:00
debug	kdb: Fix a potential buffer overflow in kdb_local()	2024-01-17 17:19:06 +00:00
dma	dma-mapping fixes for Linux 6.8	2024-01-18 16:49:34 -08:00
entry	entry: Move syscall_enter_from_user_mode() to header file	2023-12-21 23:12:18 +01:00
events	bpf: move sleepable flag from bpf_prog_aux to bpf_prog	2024-03-11 16:41:25 -07:00
futex	futex: Prevent the reuse of stale pi_state	2024-01-19 12:58:17 +01:00
gcov	gcov: annotate struct gcov_iterator with __counted_by	2023-10-18 14:43:22 -07:00
irq	Updates for the MSI interrupt subsystem and RISC-V initial MSI support:	2024-03-11 14:03:03 -07:00
kcsan	mm: delete checks for xor_unlock_is_negative_byte()	2023-10-18 14:34:17 -07:00
livepatch	livepatch: Fix missing newline character in klp_resolve_symbols()	2023-09-20 11:24:18 +02:00
locking	locking/rtmutex: Use try_cmpxchg_relaxed() in mark_rt_mutex_waiters()	2024-03-01 13:02:05 +01:00
module	Modules changes for v6.8-rc1	2024-01-10 18:00:18 -08:00
power	power: port block device access to file	2024-02-25 12:05:22 +01:00
printk	cap_syslog: remove CAP_SYS_ADMIN when dmesg_restrict	2024-02-01 10:04:58 -08:00
rcu	Merge branches 'rcu-doc.2024.02.14a', 'rcu-nocb.2024.02.14a', 'rcu-exp.2024.02.14a', 'rcu-tasks.2024.02.26a' and 'rcu-misc.2024.02.14a' into rcu.2024.02.26a	2024-02-26 17:37:25 -08:00
sched	Core x86 changes for v6.9:	2024-03-11 19:53:15 -07:00
time	Core x86 changes for v6.9:	2024-03-11 19:53:15 -07:00
trace	bpf: Allow helper bpf_get_[ns_]current_pid_tgid() for all prog types	2024-03-19 14:24:07 -07:00
.gitignore
acct.c	fs: rename __mnt_{want,drop}_write*() helpers	2023-09-11 15:05:50 +02:00
async.c	async: Use a dedicated unbound workqueue with raised min_active	2024-02-09 11:13:59 -10:00
audit.c	audit: use KMEM_CACHE() instead of kmem_cache_create()	2024-01-25 10:12:22 -05:00
audit.h
audit_fsnotify.c
audit_tree.c	As usual, lots of singleton and doubleton patches all over the tree and	2023-11-02 20:53:31 -10:00
audit_watch.c	audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare()	2023-11-14 17:34:27 -05:00
auditfilter.c	audit: remove unnecessary assignment in audit_dupe_lsm_field()	2024-01-25 09:59:27 -05:00
auditsc.c	audit,io_uring: io_uring openat triggers audit reference count underflow	2023-10-13 18:34:46 +02:00
backtracetest.c	backtracetest: Convert from tasklet to BH workqueue	2024-02-05 13:22:34 -10:00
bounds.c
capability.c
cfi.c
compat.c
configs.c
context_tracking.c	context_tracking: Fix kerneldoc headers for __ct_user_{enter,exit}()	2024-02-14 07:53:50 -08:00
cpu.c	Rework of APIC enumeration and topology evaluation:	2024-03-11 15:45:55 -07:00
cpu_pm.c
crash_core.c	kernel/crash_core.c: make __crash_hotplug_lock static	2024-01-12 15:20:47 -08:00
crash_dump.c
cred.c	cred: get rid of CONFIG_DEBUG_CREDENTIALS	2023-12-15 14:19:48 -08:00
delayacct.c
dma.c
exec_domain.c
exit.c	vfs-6.9.pidfd	2024-03-11 10:21:06 -07:00
exit.h	exit: add internal include file with helpers	2023-09-21 12:03:50 -06:00
extable.c
fail_function.c
fork.c	RCU pull request for v6.9	2024-03-11 12:02:50 -07:00
freezer.c	Linux 6.7-rc6	2023-12-23 15:52:13 +01:00
gen_kheaders.sh
groups.c	groups: Convert group_info.usage to refcount_t	2023-09-29 11:28:39 -07:00
hung_task.c
iomem.c	kernel/iomem.c: remove __weak ioremap_cache helper	2023-08-21 13:37:28 -07:00
irq_work.c
jump_label.c
kallsyms.c	kallsyms: Change func signature for cleanup_symbol_name()	2023-08-25 15:00:36 -07:00
kallsyms_internal.h
kallsyms_selftest.c	Modules changes for v6.6-rc1	2023-08-29 17:32:32 -07:00
kallsyms_selftest.h
kcmp.c	file: convert to SLAB_TYPESAFE_BY_RCU	2023-10-19 11:02:48 +02:00
Kconfig.freezer
Kconfig.hz
Kconfig.kexec	kexec: select CRYPTO from KEXEC_FILE instead of depending on it	2023-12-20 13:46:19 -08:00
Kconfig.locks
Kconfig.preempt
kcov.c
kexec.c	kernel: kexec: copy user-array safely	2023-10-09 16:59:47 +10:00
kexec_core.c	kexec: do syscore_shutdown() in kernel_kexec	2024-01-12 15:20:47 -08:00
kexec_elf.c
kexec_file.c	kexec_file: fix incorrect temp_start value in locate_mem_hole_top_down()	2023-12-29 12:22:25 -08:00
kexec_internal.h
kheaders.c
kprobes.c	kprobes: Remove unnecessary initial values of variables	2024-02-08 23:29:29 +09:00
ksyms_common.c
ksysfs.c	crash: hotplug support for kexec_load()	2023-08-24 16:25:14 -07:00
kthread.c	As usual, lots of singleton and doubleton patches all over the tree and	2023-11-02 20:53:31 -10:00
latencytop.c
Makefile	kernel/numa.c: Move logging out of numa.h	2023-12-20 19:26:30 -05:00
module_signature.c
notifier.c
nsproxy.c	pidfd: add pidfs	2024-03-01 12:23:37 +01:00
numa.c	kernel/numa.c: Move logging out of numa.h	2023-12-20 19:26:30 -05:00
padata.c	padata: Fix refcnt handling in padata_free_shell()	2023-10-27 18:04:24 +08:00
panic.c	panic: use atomic_try_cmpxchg in panic() and nmi_panic()	2023-10-04 10:41:56 -07:00
params.c	params: Fix multi-line comment style	2023-12-01 09:51:44 -08:00
pid.c	pidfs: convert to path_from_stashed() helper	2024-03-01 12:24:53 +01:00
pid_namespace.c	wait: Remove uapi header file from main header file	2023-12-20 19:26:31 -05:00
pid_sysctl.h	memfd: replace ratcheting feature from vm.memfd_noexec with hierarchy	2023-08-21 13:37:59 -07:00
profile.c
ptrace.c	Quite a lot of kexec work this time around. Many singleton patches in	2024-01-09 11:46:20 -08:00
range.c
reboot.c	Thermal control updates for 6.8-rc1	2024-01-09 16:20:17 -08:00
regset.c
relay.c	kernel: relay: remove relay_file_splice_read dead code, doesn't work	2023-12-29 12:22:27 -08:00
resource.c	Quite a lot of kexec work this time around. Many singleton patches in	2024-01-09 11:46:20 -08:00
resource_kunit.c
rseq.c
scftorture.c
scs.c
seccomp.c	file: remove __receive_fd()	2023-12-12 14:24:14 +01:00
signal.c	pidfd: allow to override signal scope in pidfd_send_signal()	2024-02-21 09:46:08 +01:00
smp.c	CSD lock commits for v6.7	2023-10-30 17:56:53 -10:00
smpboot.c	kthread: add kthread_stop_put	2023-10-04 10:41:57 -07:00
smpboot.h
softirq.c	workqueue: Drain BH work items on hot-unplugged CPUs	2024-02-29 11:51:24 -10:00
stackleak.c
stacktrace.c	stacktrace: fix kernel-doc typo	2023-12-29 12:22:29 -08:00
static_call.c
static_call_inline.c
stop_machine.c
sys.c	getrusage: use sig->stats_lock rather than lock_task_sighand()	2024-02-07 21:20:32 -08:00
sys_ni.c	lsm/stable-6.8 PR 20240105	2024-01-09 12:57:46 -08:00
sysctl-test.c
sysctl.c	asm-generic updates for v6.7	2023-11-01 15:28:33 -10:00
task_work.c	task_work: add kerneldoc annotation for 'data' argument	2023-09-19 13:21:32 -07:00
taskstats.c	taskstats: fill_stats_for_tgid: use for_each_thread()	2023-10-04 10:41:57 -07:00
torture.c	torture: Print out torture module parameters	2023-09-24 17:24:01 +02:00
tracepoint.c
tsacct.c
ucount.c
uid16.c
uid16.h
umh.c
up.c	smp: Change function signatures to use call_single_data_t	2023-09-13 14:59:24 +02:00
user-return-notifier.c
user.c	binfmt_misc: enable sandboxed mounts	2023-10-11 08:46:01 -07:00
user_namespace.c	mnt_idmapping: decouple from namespaces	2023-11-28 14:08:47 +01:00
usermode_driver.c
utsname.c
utsname_sysctl.c
vhost_task.c
watch_queue.c	watch_queue: fix kcalloc() arguments order	2023-12-21 13:17:54 +01:00
watchdog.c	watchdog: if panicking and we dumped everything, don't re-enable dumping	2023-12-29 12:22:30 -08:00
watchdog_buddy.c
watchdog_perf.c
workqueue.c	A large set of updates and features for timers and timekeeping:	2024-03-11 14:38:26 -07:00
workqueue_internal.h