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Alexei Starovoitov ad572d1747 bpf, trace: check event type in bpf_perf_event_read 
similar to bpf_perf_event_output() the bpf_perf_event_read() helper
needs to check the type of the perf_event before reading the counter.

Fixes: a43eec304259 ("bpf: introduce bpf_perf_event_output() helper")
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-15 23:37:54 -07:00
..
bpf
bpf: fix matching of data/data_end in verifier
2016-06-15 23:37:54 -07:00
configs
kconfig: add xenconfig defconfig helper
2015-06-16 11:04:29 +01:00
debug
mm/init: Add 'rodata=off' boot cmdline parameter to disable read-only kernel mappings
2016-02-22 08:51:37 +01:00
events
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-05-25 17:05:40 -07:00
gcov
gcov: disable for COMPILE_TEST
2016-05-10 17:12:49 +02:00
irq
irqchip updates for 4.7-rc1:
2016-06-03 15:05:51 +02:00
livepatch
Merge branches 'for-4.7/core', 'for-4.7/livepatching-doc' and 'for-4.7/livepatching-ppc64' into for-linus
2016-05-17 12:06:35 +02:00
locking
add down_write_killable_nested()
2016-05-26 00:04:58 -04:00
power
PM / Hibernate: Call flush_icache_range() on pages restored in-place
2016-04-28 13:35:48 +01:00
printk
printk/nmi: flush NMI messages on the system panic
2016-05-20 17:58:30 -07:00
rcu
debugobjects: insulate non-fixup logic related to static obj from fixup callbacks
2016-05-19 19:12:14 -07:00
sched
Merge branches 'pm-cpufreq-fixes' and 'pm-cpuidle'
2016-06-09 23:49:16 +02:00
time
timer: Export destroy_hrtimer_on_stack()
2016-05-31 11:44:08 -07:00
trace
bpf, trace: check event type in bpf_perf_event_read
2016-06-15 23:37:54 -07:00
.gitignore
certs: add .gitignore to stop git nagging about x509_certificate_list
2015-10-21 15:18:35 +01:00
acct.c
…
async.c
async: export current_is_async()
2015-11-19 17:51:48 +01:00
audit_fsnotify.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
audit_tree.c
audit: cleanup prune_tree_thread
2016-04-04 09:46:47 -04:00
audit_watch.c
don't bother with ->d_inode->i_sb - it's always equal to ->d_sb
2016-04-10 17:11:51 -04:00
audit.c
Merge branch 'stable-4.7' of git://git.infradead.org/users/pcmoore/audit
2016-05-18 18:46:55 -07:00
audit.h
security: Make inode argument of inode_getsecid non-const
2015-12-24 11:09:39 -05:00
auditfilter.c
audit: Fix typo in comment
2016-02-08 11:25:39 -05:00
auditsc.c
Merge branch 'stable-4.7' of git://git.infradead.org/users/pcmoore/audit
2016-05-18 18:46:55 -07:00
backtracetest.c
…
bounds.c
…
capability.c
…
cgroup_freezer.c
cgroup: kill cgrp_ss_priv[CGROUP_CANFORK_COUNT] and friends
2015-12-03 10:24:08 -05:00
cgroup_pids.c
cgroup_pids: fix a typo.
2015-12-14 14:54:37 -05:00
cgroup.c
cgroup: fix compile warning
2016-05-12 11:05:27 -04:00
compat.c
compat: cleanup coding in compat_get_bitmap() and compat_put_bitmap()
2015-06-04 23:57:18 +02:00
configs.c
…
context_tracking.c
context_tracking: Switch to new static_branch API
2015-11-24 09:56:43 +01:00
cpu_pm.c
kernel/cpu_pm: fix cpu_cluster_pm_exit comment
2015-09-03 02:42:20 +02:00
cpu.c
sched/hotplug: Make activate() the last hotplug step
2016-05-06 14:58:25 +02:00
cpuset.c
cpuset: use static key better and convert to new API
2016-05-19 19:12:14 -07:00
crash_dump.c
…
cred.c
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
delayacct.c
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
dma.c
…
elfcore.c
…
exec_domain.c
…
exit.c
wait: allow sys_waitid() to accept __WNOTHREAD/__WCLONE/__WALL
2016-05-23 17:04:14 -07:00
extable.c
kernel/extable.c: remove duplicated include
2015-09-10 13:29:01 -07:00
fork.c
mm: oom_reaper: remove some bloat
2016-05-26 15:35:44 -07:00
freezer.c
…
futex_compat.c
ptrace: use fsuid, fsgid, effective creds for fs access checks
2016-01-20 17:09:18 -08:00
futex.c
x86: remove more uaccess_32.h complexity
2016-05-22 17:21:27 -07:00
groups.c
…
hung_task.c
kernel/hung_task.c: use timeout diff when timeout is updated
2016-03-22 15:36:02 -07:00
irq_work.c
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
jump_label.c
treewide: Remove old email address
2015-11-23 09:44:58 +01:00
kallsyms.c
kallsyms: add support for relative offsets in kallsyms address table
2016-03-15 16:55:16 -07:00
kcmp.c
ptrace: use fsuid, fsgid, effective creds for fs access checks
2016-01-20 17:09:18 -08:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: don't profile branches in kcov
2016-04-28 19:34:04 -07:00
kexec_core.c
s390/kexec: consolidate crash_map/unmap_reserved_pages() and arch_kexec_protect(unprotect)_crashkres()
2016-05-23 17:04:14 -07:00
kexec_file.c
kexec: introduce a protection mechanism for the crashkernel reserved memory
2016-05-23 17:04:14 -07:00
kexec_internal.h
kexec: move some memembers and definitions within the scope of CONFIG_KEXEC_FILE
2016-01-20 17:09:18 -08:00
kexec.c
s390/kexec: consolidate crash_map/unmap_reserved_pages() and arch_kexec_protect(unprotect)_crashkres()
2016-05-23 17:04:14 -07:00
kmod.c
kmod: don't run async usermode helper as a child of kworker thread
2015-10-23 17:55:10 +09:00
kprobes.c
perf/x86/hw_breakpoints: Disallow kernel breakpoints unless kprobe-safe
2015-08-04 10:16:54 +02:00
ksysfs.c
rcu: Remove TINY_RCU bloat from pointless boot parameters
2015-12-07 16:59:37 -08:00
kthread.c
kernel/kthread.c:kthread_create_on_node(): clarify documentation
2015-09-04 16:54:41 -07:00
latencytop.c
sched/debug: Make schedstats a runtime tunable that is disabled by default
2016-02-09 11:54:23 +01:00
Makefile
ELF/MIPS build fix
2016-05-23 17:04:14 -07:00
membarrier.c
sys_membarrier(): system-wide memory barrier (generic, x86)
2015-09-11 15:21:34 -07:00
memremap.c
memremap: add arch specific hook for MEMREMAP_WB mappings
2016-04-04 10:26:41 +02:00
module_signing.c
KEYS: Move the point of trust determination to __key_link()
2016-04-11 22:43:43 +01:00
module-internal.h
…
module.c
module: preserve Elf information for livepatch modules
2016-04-01 15:00:10 +02:00
notifier.c
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2015-09-01 08:40:25 -07:00
nsproxy.c
cgroup: introduce cgroup namespaces
2016-02-16 13:04:58 -05:00
padata.c
kernel/padata.c: hide unused functions
2016-05-19 19:12:14 -07:00
panic.c
printk/nmi: flush NMI messages on the system panic
2016-05-20 17:58:30 -07:00
params.c
Nothing exciting, minor tweaks and cleanups.
2015-11-09 15:53:39 -08:00
pid_namespace.c
…
pid.c
remove lots of IS_ERR_VALUE abuses
2016-05-27 15:26:11 -07:00
profile.c
profile: hide unused functions when !CONFIG_PROC_FS
2016-03-22 15:36:02 -07:00
ptrace.c
ptrace: change __ptrace_unlink() to clear ->ptrace under ->siglock
2016-03-22 15:36:02 -07:00
range.c
…
reboot.c
kexec: split kexec_load syscall from kexec core code
2015-09-10 13:29:01 -07:00
relay.c
kernel/relay.c: fix potential memory leak
2016-06-09 14:23:11 -07:00
resource.c
/proc/iomem: only expose physical resource addresses to privileged users
2016-04-14 12:56:09 -07:00
seccomp.c
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2016-05-19 10:02:26 -07:00
signal.c
kernel/signal.c: convert printk(KERN_<LEVEL> ...) to pr_<level>(...)
2016-05-23 17:04:14 -07:00
smp.c
Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-03-15 13:50:29 -07:00
smpboot.c
cpu/hotplug: Unpark smpboot threads from the state machine
2016-03-01 20:36:56 +01:00
smpboot.h
cpu/hotplug: Create hotplug threads
2016-03-01 20:36:56 +01:00
softirq.c
arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections
2016-03-25 16:37:42 -07:00
stacktrace.c
…
stop_machine.c
kernel/stop_machine.c: remove CONFIG_SMP dependencies
2016-01-16 11:17:24 -08:00
sys_ni.c
vfs: add copy_file_range syscall and vfs helper
2015-12-01 14:00:53 -05:00
sys.c
prctl: make PR_SET_THP_DISABLE wait for mmap_sem killable
2016-05-23 17:04:14 -07:00
sysctl_binary.c
kernel/sysctl_binary.c: use generic UUID library
2016-05-20 17:58:30 -07:00
sysctl.c
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-05-25 17:05:40 -07:00
task_work.c
task_work: remove fifo ordering guarantee
2015-09-05 13:46:58 -07:00
taskstats.c
taskstats: use the libnl API to align nlattr on 64-bit
2016-04-23 20:13:25 -04:00
test_kprobes.c
…
torture.c
rcutorture: Dump trace buffer upon shutdown
2016-04-21 13:47:04 -07:00
tracepoint.c
kernel/...: convert pr_warning to pr_warn
2016-03-22 15:36:02 -07:00
tsacct.c
time, acct: Drop irq save & restore from __acct_update_integrals()
2016-02-29 09:53:09 +01:00
uid16.c
…
up.c
…
user_namespace.c
kernel/*: switch to memdup_user_nul()
2016-01-04 10:27:55 -05:00
user-return-notifier.c
…
user.c
…
utsname_sysctl.c
…
utsname.c
…
watchdog.c
watchdog: don't run proc_watchdog_update if new value is same as old
2016-03-17 15:09:34 -07:00
workqueue_internal.h
sched/core: Get rid of 'cpu' argument in wq_worker_sleeping()
2016-03-02 10:28:47 -05:00
workqueue.c
debugobjects: insulate non-fixup logic related to static obj from fixup callbacks
2016-05-19 19:12:14 -07:00