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linux/kernel
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Tom Zanussi 432480c582 tracing: Add check for NULL event field when creating hist field 
Smatch flagged create_hist_field() as possibly being able to
dereference a NULL pointer, although the current code exits in all
cases where the event field could be NULL, so it's not actually a
problem.

Still, to prevent future changes to the code from overlooking new
cases, make the NULL pointer check explicit and warn once in that
case.

Link: http://lkml.kernel.org/r/cfbc003f534a3e441b4313272fd412310aba6336.1461610073.git.tom.zanussi@linux.intel.com

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2016-04-26 09:40:29 -04:00
..
bpf
bpf: add missing map_flags to bpf_map_show_fdinfo
2016-03-25 11:36:41 -04:00
configs
…
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 'PAGE_CACHE_SIZE-removal'
2016-04-04 10:50:24 -07:00
gcov
gcov: use within_module() helper.
2015-12-04 22:46:25 +01:00
irq
kernel/...: convert pr_warning to pr_warn
2016-03-22 15:36:02 -07:00
livepatch
livepatch/module: remove livepatch module notifier
2016-03-17 09:45:10 +01:00
locking
locking/lockdep: Fix print_collision() unused warning
2016-04-04 11:41:34 +02:00
power
Power management and ACPI material for v4.6-rc1, part 2
2016-03-24 22:59:58 -07:00
printk
printk: add clear_idx symbol to vmcoreinfo
2016-03-17 15:09:34 -07:00
rcu
kernel: add kcov code coverage
2016-03-22 15:36:02 -07:00
sched
locking/atomic, sched: Unexport fetch_or()
2016-03-29 11:52:11 +02:00
time
timers/nohz: Convert tick dependency mask to atomic_t
2016-03-29 11:52:11 +02:00
trace
tracing: Add check for NULL event field when creating hist field
2016-04-26 09:40:29 -04:00
.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: audit_tree_match can be boolean
2015-11-04 08:23:51 -05:00
audit_watch.c
Merge branch 'stable-4.6' of git://git.infradead.org/users/pcmoore/audit
2016-03-19 17:52:49 -07:00
audit.c
Merge branch 'stable-4.6' of git://git.infradead.org/users/pcmoore/audit
2016-03-19 17:52:49 -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
auditsc: for seccomp events, log syscall compat state using in_compat_syscall
2016-03-22 15:36:02 -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
Merge branch 'for-4.6-ns' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2016-03-21 10:05:13 -07:00
compat.c
…
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
cpu/hotplug: Document states better
2016-03-12 20:57:38 +01:00
cpuset.c
Merge branch 'for-4.6-ns' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2016-03-21 10:05:13 -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
oom: clear TIF_MEMDIE after oom_reaper managed to unmap the address space
2016-03-25 16:37:42 -07:00
extable.c
kernel/extable.c: remove duplicated include
2015-09-10 13:29:01 -07:00
fork.c
kernel: add kcov code coverage
2016-03-22 15:36:02 -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
futex: Replace barrier() in unqueue_me() with READ_ONCE()
2016-03-08 17:04:02 +01:00
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
kernel: add kcov code coverage
2016-03-22 15:36:02 -07:00
kexec_core.c
kexec: Set IORESOURCE_SYSTEM_RAM for System RAM
2016-01-30 09:49:57 +01:00
kexec_file.c
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2016-03-17 11:33:45 -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
kexec: set KEXEC_TYPE_CRASH before sanity_check_segment_list()
2016-01-20 17:09:18 -08:00
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
kernel: add kcov code coverage
2016-03-22 15:36:02 -07:00
membarrier.c
sys_membarrier(): system-wide memory barrier (generic, x86)
2015-09-11 15:21:34 -07:00
memremap.c
memremap: add MEMREMAP_WC flag
2016-03-22 15:36:02 -07:00
module_signing.c
X.509: Make algo identifiers text instead of enum
2016-03-03 21:49:27 +00:00
module-internal.h
…
module.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
2016-03-17 21:46:32 -07:00
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
…
panic.c
panic: change nmi_panic from macro to function
2016-03-22 15:36:02 -07:00
params.c
Nothing exciting, minor tweaks and cleanups.
2015-11-09 15:53:39 -08:00
pid_namespace.c
…
pid.c
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-01-31 15:44:04 -08:00
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
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
resource.c
/proc/iomem: only expose physical resource addresses to privileged users
2016-04-14 12:56:09 -07:00
seccomp.c
seccomp: check in_compat_syscall, not is_compat_task, in strict mode
2016-03-22 15:36:02 -07:00
signal.c
kernel/signal.c: add compile-time check for __ARCH_SI_PREAMBLE_SIZE
2016-03-22 15:36:02 -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
timer: convert timer_slack_ns from unsigned long to u64
2016-03-17 15:09:34 -07:00
sysctl_binary.c
fs/coredump: prevent fsuid=0 dumps into user-controlled directories
2016-03-22 15:36:02 -07:00
sysctl.c
mm: scale kswapd watermarks in proportion to memory
2016-03-17 15:09:34 -07:00
task_work.c
task_work: remove fifo ordering guarantee
2015-09-05 13:46:58 -07:00
taskstats.c
…
test_kprobes.c
…
torture.c
torture: Consolidate cond_resched_rcu_qs() into stutter_wait()
2015-10-06 11:25:01 -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
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up.c
…
user_namespace.c
kernel/*: switch to memdup_user_nul()
2016-01-04 10:27:55 -05:00
user-return-notifier.c
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user.c
…
utsname_sysctl.c
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utsname.c
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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
Merge branch 'for-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
2016-03-18 20:05:39 -07:00