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Masami Hiramatsu 98cf16d33c kprobes: Blacklist symbols in arch-defined prohibited area 
[ Upstream commit fb1a59fae8 ]

Blacklist symbols in arch-defined probe-prohibited areas.
With this change, user can see all symbols which are prohibited
to probe in debugfs.

All archtectures which have custom prohibit areas should define
its own arch_populate_kprobe_blacklist() function, but unless that,
all symbols marked __kprobes are blacklisted.

Reported-by: Andrea Righi <righi.andrea@gmail.com>
Tested-by: Andrea Righi <righi.andrea@gmail.com>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David S. Miller <davem@davemloft.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yonghong Song <yhs@fb.com>
Link: http://lkml.kernel.org/r/154503485491.26176.15823229545155174796.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-12-05 09:20:26 +01:00
..
bpf
bpf, btf: fix a missing check bug in btf_parse
2019-12-01 09:17:01 +01:00
cgroup
cgroup: Fix css_task_iter_advance_css_set() cset skip condition
2019-08-09 17:52:35 +02:00
configs
…
debug
kdb: Don't back trace on a cpu that didn't round up
2019-02-12 19:47:19 +01:00
dma
swiotlb: do not panic on mapping failures
2019-12-01 09:16:42 +01:00
events
signal: Properly deliver SIGILL from uprobes
2019-11-20 18:46:22 +01:00
gcov
…
irq
irq/matrix: Fix memory overallocation
2019-12-01 09:17:13 +01:00
livepatch
livepatch: Nullify obj->mod in klp_module_coming()'s error path
2019-10-07 18:57:10 +02:00
locking
Revert "locking/pvqspinlock: Don't wait if vCPU is preempted"
2019-10-11 18:21:06 +02:00
power
x86/power: Fix 'nosmt' vs hibernation triple fault during resume
2019-06-11 12:20:52 +02:00
printk
printk: fix integer overflow in setup_log_buf()
2019-12-01 09:16:14 +01:00
rcu
rcuperf: Fix cleanup path for invalid perf_type strings
2019-05-31 06:46:30 -07:00
sched
sched/fair: Don't increase sd->balance_interval on newidle balance
2019-12-01 09:17:16 +01:00
time
y2038: make do_gettimeofday() and get_seconds() inline
2019-11-20 18:45:24 +01:00
trace
tracing: Lock event_mutex before synth_event_mutex
2019-12-05 09:19:49 +01:00
.gitignore
…
acct.c
acct_on(): don't mess with freeze protection
2019-05-31 06:46:05 -07:00
async.c
…
audit_fsnotify.c
…
audit_tree.c
Merge tag 'fsnotify_for_v4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2018-08-17 09:41:28 -07:00
audit_watch.c
…
audit.c
…
audit.h
…
auditfilter.c
audit: fix a memory leak bug
2019-05-31 06:46:17 -07:00
auditsc.c
audit: print empty EXECVE args
2019-12-01 09:17:17 +01:00
backtracetest.c
…
bounds.c
kbuild: fix kernel/bounds.c 'W=1' warning
2018-11-13 11:08:47 -08:00
capability.c
…
compat.c
…
configs.c
…
context_tracking.c
…
cpu_pm.c
…
cpu.c
cpu/SMT: State SMT is disabled even with nosmt and without "=force"
2019-11-24 08:20:18 +01:00
crash_core.c
kernel/crash_core.c: print timestamp using time64_t
2018-08-22 10:52:47 -07:00
crash_dump.c
…
cred.c
access: avoid the RCU grace period for the temporary subjective credentials
2019-07-31 07:27:11 +02:00
delayacct.c
…
dma.c
…
elfcore.c
kernel/elfcore.c: include proper prototypes
2019-10-11 18:21:23 +02:00
exec_domain.c
…
exit.c
cgroup: Call cgroup_release() before __exit_signal()
2019-08-09 17:52:34 +02:00
extable.c
…
fail_function.c
…
fork.c
kernel/sysctl.c: do not override max_threads provided by userspace
2019-10-17 13:45:19 -07:00
freezer.c
…
futex.c
futex: Prevent robust futex exit race
2019-12-01 09:17:38 +01:00
groups.c
…
hung_task.c
kernel: hung_task.c: disable on suspend
2019-04-20 09:16:02 +02:00
iomem.c
…
irq_work.c
irq_work: Do not raise an IPI when queueing work on the local CPU
2019-05-31 06:46:19 -07:00
jump_label.c
jump_label: move 'asm goto' support test to Kconfig
2019-06-04 08:02:34 +02:00
kallsyms.c
kallsyms: Don't let kallsyms_lookup_size_offset() fail on retrieving the first symbol
2019-09-21 07:17:02 +02:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kernel/kcov.c: mark write_comp_data() as notrace
2019-02-12 19:47:20 +01:00
kexec_core.c
kexec: Allocate decrypted control pages for kdump if SME is enabled
2019-11-24 08:20:29 +01:00
kexec_file.c
…
kexec_internal.h
…
kexec.c
…
kmod.c
…
kprobes.c
kprobes: Blacklist symbols in arch-defined prohibited area
2019-12-05 09:20:26 +01:00
ksysfs.c
…
kthread.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-08-13 11:25:07 -07:00
latencytop.c
…
Makefile
y2038: futex: Move compat implementation into futex.c
2019-12-01 09:17:38 +01:00
memremap.c
mm, devm_memremap_pages: add MEMORY_DEVICE_PRIVATE support
2019-01-13 09:51:04 +01:00
module_signing.c
…
module-internal.h
…
module.c
modules: fix compile error if don't have strict module rwx
2019-09-19 09:09:40 +02:00
notifier.c
…
nsproxy.c
…
padata.c
padata: use smp_mb in padata_reorder to avoid orphaned padata jobs
2019-07-26 09:14:25 +02:00
panic.c
kernel/panic.c: do not append newline to the stack protector panic string
2019-12-01 09:17:10 +01:00
params.c
…
pid_namespace.c
signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig
2019-07-26 09:14:01 +02:00
pid.c
Fix failure path in alloc_pid()
2019-01-13 09:51:06 +01:00
profile.c
…
ptrace.c
ptrace: Fix ->ptracer_cred handling for PTRACE_TRACEME
2019-07-10 09:53:41 +02:00
range.c
…
reboot.c
…
relay.c
relay: check return of create_buf_file() properly
2019-03-13 14:02:35 -07:00
resource.c
resource: fix locking in find_next_iomem_res()
2019-09-16 08:22:20 +02:00
rseq.c
…
seccomp.c
…
signal.c
signal: Always ignore SIGKILL and SIGSTOP sent to the global init
2019-11-20 18:46:21 +01:00
smp.c
cpu/hotplug: Fix "SMT disabled by BIOS" detection for KVM
2019-02-12 19:47:25 +01:00
smpboot.c
…
smpboot.h
…
softirq.c
…
stacktrace.c
…
stop_machine.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2018-08-13 11:25:07 -07:00
sys_ni.c
…
sys.c
kernel/sys.c: prctl: fix false positive in validate_prctl_map()
2019-06-15 11:54:01 +02:00
sysctl_binary.c
…
sysctl.c
sysctl: return -EINVAL if val violates minmax
2019-06-15 11:53:59 +02:00
task_work.c
…
taskstats.c
…
test_kprobes.c
…
torture.c
…
tracepoint.c
tracepoint: Fix tracepoint array element size mismatch
2018-10-17 15:35:29 -04:00
tsacct.c
…
ucount.c
…
uid16.c
…
uid16.h
…
umh.c
…
up.c
…
user_namespace.c
userns: also map extents in the reverse map to kernel IDs
2018-11-13 11:09:00 -08:00
user-return-notifier.c
…
user.c
userns: use irqsave variant of refcount_dec_and_lock()
2018-08-22 10:52:47 -07:00
utsname_sysctl.c
sys: don't hold uts_sem while accessing userspace memory
2018-08-11 02:05:53 -05:00
utsname.c
…
watchdog_hld.c
watchdog: Mark watchdog touch functions as notrace
2018-08-30 12:56:40 +02:00
watchdog.c
watchdog: Respect watchdog cpumask on CPU hotplug
2019-04-03 06:26:29 +02:00
workqueue_internal.h
…
workqueue.c
workqueue: Try to catch flush_work() without INIT_WORK().
2019-05-02 09:58:56 +02:00