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09a3dac7b579e57e7ef2d875b9216c845ae8a0e5
linux/kernel
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Martin KaFai Lau 09a3dac7b5 bpf: Fix NULL dereference in bpf_task_storage 
In bpf_pid_task_storage_update_elem(), it missed to
test the !task_storage_ptr(task) which then could trigger a NULL
pointer exception in bpf_local_storage_update().

Fixes: 4cf1bc1f10 ("bpf: Implement task local storage")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Tested-by: Roman Gushchin <guro@fb.com>
Acked-by: KP Singh <kpsingh@google.com>
Link: https://lore.kernel.org/bpf/20201112001919.2028357-1-kafai@fb.com
2020-11-11 18:14:49 -08:00
..
bpf
bpf: Fix NULL dereference in bpf_task_storage
2020-11-11 18:14:49 -08:00
cgroup
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
configs
compiler: remove CONFIG_OPTIMIZE_INLINING entirely
2020-04-07 10:43:42 -07:00
debug
kdb: Fix pager search for multi-line strings
2020-10-01 14:44:08 +01:00
dma
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
entry
Merge tag 'arch-cleanup-2020-10-22' of git://git.kernel.dk/linux-block
2020-10-23 10:06:38 -07:00
events
task_work: cleanup notification modes
2020-10-17 15:05:30 -06:00
gcov
gcov: add support for GCC 10.1
2020-09-11 09:33:54 -07:00
irq
task_work: cleanup notification modes
2020-10-17 15:05:30 -06:00
kcsan
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
livepatch
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
locking
Merge tag 'core-rcu-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-10-18 14:34:50 -07:00
power
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
printk
Merge tag 'printk-for-5.10-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
2020-10-16 12:52:37 -07:00
rcu
Merge tag 'core-rcu-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-10-18 14:34:50 -07:00
sched
task_work: cleanup notification modes
2020-10-17 15:05:30 -06:00
time
Merge tag 'core-rcu-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-10-18 14:34:50 -07:00
trace
bpf: Implement get_current_task_btf and RET_PTR_TO_BTF_ID
2020-11-06 08:08:37 -08:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
acct.c
kernel: acct.c: fix some kernel-doc nits
2020-10-16 11:11:19 -07:00
async.c
treewide: Remove uninitialized_var() usage
2020-07-16 12:35:15 -07:00
audit_fsnotify.c
fsnotify: create method handle_inode_event() in fsnotify_operations
2020-07-27 23:25:50 +02:00
audit_tree.c
Merge tag 'fsnotify_for_v5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2020-08-06 19:29:51 -07:00
audit_watch.c
fsnotify: create method handle_inode_event() in fsnotify_operations
2020-07-27 23:25:50 +02:00
audit.c
audit: Remove redundant null check
2020-08-26 09:10:39 -04:00
audit.h
audit: change unnecessary globals into statics
2020-08-17 20:26:58 -04:00
auditfilter.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
auditsc.c
Merge tag 'audit-pr-20200803' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
2020-08-04 14:20:26 -07:00
backtracetest.c
treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()
2020-07-30 11:15:58 -07:00
bounds.c
…
capability.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
compat.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
configs.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
context_tracking.c
context_tracking: Ensure that the critical path cannot be instrumented
2020-06-11 15:14:36 +02:00
cpu_pm.c
notifier: Fix broken error handling pattern
2020-09-01 09:58:03 +02:00
cpu.c
Merge tag 'sched-core-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-06-03 13:06:42 -07:00
crash_core.c
kdump: append kernel build-id string to VMCOREINFO
2020-08-12 10:58:01 -07:00
crash_dump.c
crash_dump: Remove no longer used saved_max_pfn
2020-04-15 11:21:54 +02:00
cred.c
exec: Teach prepare_exec_creds how exec treats uids & gids
2020-05-20 14:44:21 -05:00
delayacct.c
…
dma.c
…
elfcore.c
…
exec_domain.c
…
exit.c
pid: move pidfd_get_pid() to pid.c
2020-10-18 09:27:10 -07:00
extable.c
kernel/extable.c: use address-of operator on section symbols
2020-04-07 10:43:42 -07:00
fail_function.c
…
fork.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
freezer.c
…
futex.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
gen_kheaders.sh
kbuild: add variables for compression tools
2020-06-06 23:42:01 +09:00
groups.c
mm: remove the pgprot argument to __vmalloc
2020-06-02 10:59:11 -07:00
hung_task.c
kernel/hung_task.c: introduce sysctl to print all traces when a hung task is detected
2020-06-08 11:05:56 -07:00
iomem.c
…
irq_work.c
irq_work, smp: Allow irq_work on call_single_queue
2020-05-28 10:54:15 +02:00
jump_label.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
kallsyms.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
kcmp.c
kernel/kcmp.c: Use new infrastructure to fix deadlocks in execve
2020-03-25 10:04:01 -05:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
sched/rt, locking: Use CONFIG_PREEMPTION
2019-12-08 14:37:36 +01:00
Kconfig.preempt
…
kcov.c
kcov: make some symbols static
2020-08-12 10:58:02 -07:00
kexec_core.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
kexec_elf.c
…
kexec_file.c
kernel/resource: move and rename IORESOURCE_MEM_DRIVER_MANAGED
2020-10-16 11:11:18 -07:00
kexec_internal.h
kexec: add machine_kexec_post_load()
2020-01-08 16:32:55 +00:00
kexec.c
LSM: Introduce kernel_post_load_data() hook
2020-10-05 13:37:03 +02:00
kheaders.c
…
kmod.c
kmod: remove redundant "be an" in the comment
2020-08-12 10:58:01 -07:00
kprobes.c
Merge tag 'trace-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2020-10-15 15:51:28 -07:00
ksysfs.c
…
kthread.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
latencytop.c
sysctl: pass kernel pointers to ->proc_handler
2020-04-27 02:07:40 -04:00
Makefile
Merge tag 'kbuild-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-10-22 13:13:57 -07:00
module_signature.c
…
module_signing.c
…
module-internal.h
…
module.c
bpf: Load and verify kernel module BTFs
2020-11-10 15:25:53 -08:00
notifier.c
notifier: Fix broken error handling pattern
2020-09-01 09:58:03 +02:00
nsproxy.c
nsproxy: support CLONE_NEWTIME with setns()
2020-07-08 11:14:22 +02:00
padata.c
padata: fix possible padata_works_lock deadlock
2020-09-04 17:51:55 +10:00
panic.c
panic: dump registers on panic_on_warn
2020-10-16 11:11:22 -07:00
params.c
moduleparams: Add hexint type parameter
2020-07-28 13:44:53 +02:00
pid_namespace.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
pid.c
pid: move pidfd_get_pid() to pid.c
2020-10-18 09:27:10 -07:00
profile.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
ptrace.c
ptrace: reintroduce usage of subjective credentials in ptrace_has_cap()
2020-01-18 13:51:39 +01:00
range.c
kernel.h: split out min()/max() et al. helpers
2020-10-16 11:11:19 -07:00
reboot.c
arch: remove unicore32 port
2020-07-01 12:09:13 +03:00
regset.c
regset: kill ->get()
2020-07-27 14:31:12 -04:00
relay.c
kernel/relay.c: drop unneeded initialization
2020-10-16 11:11:22 -07:00
resource.c
kernel/resource: make iomem_resource implicit in release_mem_region_adjustable()
2020-10-16 11:11:18 -07:00
rseq.c
rseq: Reject unknown flags on rseq unregister
2019-12-25 10:41:20 +01:00
scftorture.c
scftorture: Add cond_resched() to test loop
2020-08-24 18:38:38 -07:00
scs.c
mm: memcontrol: account kernel stack per node
2020-08-07 11:33:25 -07:00
seccomp.c
seccomp: Make duplicate listener detection non-racy
2020-10-08 13:17:47 -07:00
signal.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
smp.c
Merge tag 'core-rcu-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-10-18 14:34:50 -07:00
smpboot.c
…
smpboot.h
…
softirq.c
softirq: Add debug check to __raise_softirq_irqoff()
2020-09-16 15:18:56 +02:00
stackleak.c
stackleak: let stack_erasing_sysctl take a kernel pointer buffer
2020-09-19 13:13:39 -07:00
stacktrace.c
stacktrace: Remove reliable argument from arch_stack_walk() callback
2020-09-18 14:24:16 +01:00
static_call.c
static_call: Fix return type of static_call_init
2020-10-02 21:18:25 +02:00
stop_machine.c
stop_machine: Make stop_cpus() static
2020-01-17 10:19:21 +01:00
sys_ni.c
mm/madvise: introduce process_madvise() syscall: an external memory hinting API
2020-10-18 09:27:10 -07:00
sys.c
kernel/sys.c: replace do_brk with do_brk_flags in comment of prctl_set_mm_map()
2020-10-16 11:11:19 -07:00
sysctl-test.c
kunit: allow kunit tests to be loaded as a module
2020-01-09 16:42:29 -07:00
sysctl.c
mm: allow a controlled amount of unfairness in the page lock
2020-09-17 10:26:41 -07:00
task_work.c
task_work: cleanup notification modes
2020-10-17 15:05:30 -06:00
taskstats.c
taskstats: move specifying netlink policy back to ops
2020-10-02 19:11:12 -07:00
test_kprobes.c
…
torture.c
torture: Dump ftrace at shutdown only if requested
2020-06-29 12:01:45 -07:00
tracepoint.c
tracepoint: Fix out of sync data passing by static caller
2020-10-02 21:18:25 +02:00
tsacct.c
tsacct: add 64-bit btime field
2019-12-18 18:07:31 +01:00
ucount.c
ucount: Make sure ucounts in /proc/sys/user don't regress again
2020-04-07 21:51:27 +02:00
uid16.c
…
uid16.h
…
umh.c
usermodehelper: reset umask to default before executing user process
2020-10-06 10:31:52 -07:00
up.c
smp/up: Make smp_call_function_single() match SMP semantics
2020-02-07 15:34:12 +01:00
user_namespace.c
kernel/: fix repeated words in comments
2020-10-16 11:11:19 -07:00
user-return-notifier.c
…
user.c
user.c: make uidhash_table static
2020-06-04 19:06:24 -07:00
usermode_driver.c
umd: Stop using split_argv
2020-07-07 11:58:59 -05:00
utsname_sysctl.c
sysctl: pass kernel pointers to ->proc_handler
2020-04-27 02:07:40 -04:00
utsname.c
nsproxy: add struct nsset
2020-05-09 13:57:12 +02:00
watch_queue.c
watch_queue: Limit the number of watches a user can hold
2020-08-17 09:39:18 -07:00
watchdog_hld.c
…
watchdog.c
kernel/watchdog.c: convert {soft/hard}lockup boot parameters to sysctl aliases
2020-06-08 11:05:56 -07:00
workqueue_internal.h
…
workqueue.c
workqueue: fix a kernel-doc warning
2020-10-16 07:28:20 +02:00