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c1fe2bb305a23b4b9060b44b44ac9d34b8750e3b
android_kernel_xiaomi_sm8450/kernel
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Eric W. Biederman 6007aeeaef kcmp: In get_file_raw_ptr use task_lookup_fd_rcu 
[ Upstream commit ed77e80e14a3cd55c73848b9e8043020e717ce12 ]

Modify get_file_raw_ptr to use task_lookup_fd_rcu.  The helper
task_lookup_fd_rcu does the work of taking the task lock and verifying
that task->files != NULL and then calls files_lookup_fd_rcu.  So let
use the helper to make a simpler implementation of get_file_raw_ptr.

Acked-by: Cyrill Gorcunov <gorcunov@gmail.com>
Link: https://lkml.kernel.org/r/20201120231441.29911-13-ebiederm@xmission.com
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-06-21 14:52:48 +02:00
..
bpf
file: Replace fcheck_files with files_lookup_fd_rcu
2024-06-21 14:52:48 +02:00
cgroup
sched/fair: Allow disabling sched_balance_newidle with sched_relax_domain_level
2024-06-16 13:32:15 +02:00
configs
compiler: remove CONFIG_OPTIMIZE_INLINING entirely
2020-04-07 10:43:42 -07:00
debug
kdb: Use format-specifiers rather than memset() for padding in kdb_read()
2024-06-16 13:32:35 +02:00
dma
dma-mapping: clear dev->dma_mem to NULL after freeing it
2024-01-25 14:37:45 -08:00
entry
entry/kvm: Exit to user mode when TIF_NOTIFY_SIGNAL is set
2023-01-04 11:39:22 +01:00
events
perf/core: Fix reentry problem in perf_output_read_group()
2024-04-13 12:59:00 +02:00
futex
futex: Don't include process MM in futex key on no-MMU
2023-11-20 11:06:44 +01:00
gcov
gcov: add support for checksum field
2023-01-14 10:16:24 +01:00
irq
genirq/cpuhotplug, x86/vector: Prevent vector leak during CPU offline
2024-06-16 13:32:30 +02:00
kcsan
kcsan: Don't expect 64 bits atomic builtins from 32 bits architectures
2023-07-27 08:43:57 +02:00
livepatch
livepatch: Fix missing newline character in klp_resolve_symbols()
2023-11-20 11:06:52 +01:00
locking
lockdep: Fix block chain corruption
2023-12-08 08:46:09 +01:00
power
PM: suspend: Set mem_sleep_current during kernel command line setup
2024-04-13 12:58:13 +02:00
printk
printk: Update @console_may_schedule in console_trylock_spinning()
2024-04-13 12:58:54 +02:00
rcu
rcu-tasks: Provide rcu_trace_implies_rcu_gp()
2024-03-26 18:21:45 -04:00
sched
sched/fair: Allow disabling sched_balance_newidle with sched_relax_domain_level
2024-06-16 13:32:15 +02:00
time
timers: Rename del_timer_sync() to timer_delete_sync()
2024-04-13 12:57:58 +02:00
trace
ring-buffer: Fix a race between readers and resize checks
2024-06-16 13:31:59 +02:00
.gitignore
kbuild: update config_data.gz only when the content of .config is changed
2021-05-11 14:47:37 +02:00
acct.c
acct: fix potential integer overflow in encode_comp_t()
2023-01-14 10:16:14 +01:00
async.c
async: Introduce async_schedule_dev_nocall()
2024-02-23 08:41:53 +01:00
audit_fsnotify.c
audit: fix potential double free on error path from fsnotify_add_inode_mark
2022-08-31 17:15:13 +02:00
audit_tree.c
audit: move put_tree() to avoid trim_trees refcount underflow and UAF
2021-09-03 10:09:31 +02:00
audit_watch.c
audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare()
2023-11-28 16:54:56 +00:00
audit.c
audit: Send netlink ACK before setting connection in auditd_set
2024-02-23 08:42:03 +01:00
audit.h
audit: log AUDIT_TIME_* records only from rules
2022-04-08 14:40:00 +02:00
auditfilter.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
auditsc.c
audit: fix possible soft lockup in __audit_inode_child()
2023-09-19 12:20:13 +02:00
backtracetest.c
treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()
2020-07-30 11:15:58 -07:00
bounds.c
bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS
2024-05-02 16:23:46 +02:00
capability.c
LSM: Signal to SafeSetID when setting group IDs
2020-10-13 09:17:34 -07:00
compat.c
sched_getaffinity: don't assume 'cpumask_size()' is fully initialized
2023-04-05 11:23:45 +02:00
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
PM: cpu: Make notifier chain use a raw_spinlock_t
2021-09-15 09:50:40 +02:00
cpu.c
cpu: Re-enable CPU mitigations by default for !X86 architectures
2024-05-02 16:23:44 +02:00
crash_core.c
crash_core, vmcoreinfo: append 'SECTION_SIZE_BITS' to vmcoreinfo
2021-06-23 14:42:52 +02:00
crash_dump.c
crash_dump: Remove no longer used saved_max_pfn
2020-04-15 11:21:54 +02:00
cred.c
cred: switch to using atomic_long_t
2023-12-20 15:44:30 +01:00
delayacct.c
…
dma.c
…
exec_domain.c
…
exit.c
exit: Use READ_ONCE() for all oops/warn limit reads
2023-02-01 08:23:21 +01:00
extable.c
kernel/extable.c: use address-of operator on section symbols
2020-04-07 10:43:42 -07:00
fail_function.c
kernel/fail_function: fix memory leak with using debugfs_lookup()
2023-03-11 16:40:18 +01:00
fork.c
exec: Simplify unshare_files
2024-06-21 14:52:47 +02:00
freezer.c
Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing"
2021-04-07 15:00:14 +02:00
gen_kheaders.sh
kbuild: add variables for compression tools
2020-06-06 23:42:01 +09:00
groups.c
LSM: Signal to SafeSetID when setting group IDs
2020-10-13 09:17:34 -07:00
hung_task.c
kernel/hung_task.c: make type annotations consistent
2020-11-02 12:14:19 -08:00
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
jump_label: Fix jump_label_text_reserved() vs __init
2021-07-20 16:05:58 +02:00
kallsyms.c
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
kcmp.c
kcmp: In get_file_raw_ptr use task_lookup_fd_rcu
2024-06-21 14:52:48 +02:00
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
sched/rt, locking: Use CONFIG_PREEMPTION
2019-12-08 14:37:36 +01:00
Kconfig.preempt
sched/Kconfig: Fix spelling mistake in user-visible help text
2019-11-12 11:35:32 +01:00
kcov.c
kcov: make some symbols static
2020-08-12 10:58:02 -07:00
kexec_core.c
kexec: fix a memory leak in crash_shrink_memory()
2023-07-27 08:43:40 +02:00
kexec_elf.c
kexec_elf: support 32 bit ELF files
2019-09-06 23:58:44 +02:00
kexec_file.c
kexec: support purgatories with .text.hot sections
2023-06-21 15:45:37 +02:00
kexec_internal.h
panic, kexec: make __crash_kexec() NMI safe
2023-04-20 12:10:29 +02:00
kexec.c
panic, kexec: make __crash_kexec() NMI safe
2023-04-20 12:10:29 +02:00
kheaders.c
kheaders: Use array declaration instead of char
2023-05-17 11:47:33 +02:00
kmod.c
kmod: remove redundant "be an" in the comment
2020-08-12 10:58:01 -07:00
kprobes.c
kprobes: Fix possible use-after-free issue on kprobe registration
2024-05-02 16:23:36 +02:00
ksysfs.c
kexec: turn all kexec_mutex acquisitions into trylocks
2023-04-20 12:10:29 +02:00
kthread.c
kthread: Fix PF_KTHREAD vs to_kthread() race
2021-09-03 10:09:31 +02:00
latencytop.c
sysctl: pass kernel pointers to ->proc_handler
2020-04-27 02:07:40 -04:00
Makefile
futex: Move to kernel/futex/
2023-01-14 10:15:20 +01:00
module_signature.c
module: harden ELF info handling
2021-03-25 09:04:11 +01:00
module_signing.c
module: harden ELF info handling
2021-03-25 09:04:11 +01:00
module-internal.h
…
module.c
modules: only allow symbol_get of EXPORT_SYMBOL_GPL modules
2023-09-19 12:20:02 +02:00
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
crypto: pcrypt - Fix hungtask for PADATA_RESET
2023-11-28 16:54:51 +00:00
panic.c
panic: Flush kernel log buffer at the end
2024-04-13 12:59:40 +02:00
params.c
params: lift param_set_uint_minmax to common code
2024-06-16 13:32:26 +02:00
pid_namespace.c
rcu-tasks: Fix synchronize_rcu_tasks() VS zap_pid_ns_processes()
2023-03-11 16:39:19 +01:00
pid.c
exec: Transform exec_update_mutex into a rw_semaphore
2021-01-09 13:46:24 +01:00
profile.c
profiling: fix shift too large makes kernel panic
2022-08-21 15:16:05 +02:00
ptrace.c
ptrace: Reimplement PTRACE_KILL by always sending SIGKILL
2022-06-09 10:20:49 +02:00
range.c
kernel.h: split out min()/max() et al. helpers
2020-10-16 11:11:19 -07:00
reboot.c
kernel/reboot: emergency_restart: Set correct system_state
2023-11-28 16:54:58 +00:00
regset.c
regset: kill ->get()
2020-07-27 14:31:12 -04:00
relay.c
relayfs: fix out-of-bounds access in relay_file_read
2023-05-17 11:47:34 +02:00
resource.c
dax/kmem: Fix leak of memory-hotplug resources
2023-03-11 16:40:04 +01:00
rseq.c
rseq: Remove broken uapi field layout on 32-bit little endian
2022-04-08 14:40:03 +02:00
scftorture.c
scftorture: Forgive memory-allocation failure if KASAN
2023-09-23 11:01:05 +02:00
scs.c
mm: memcontrol: account kernel stack per node
2020-08-07 11:33:25 -07:00
seccomp.c
seccomp: Invalidate seccomp mode to catch death failures
2024-03-01 13:16:46 +01:00
signal.c
task_work: unconditionally run task_work from get_signal()
2023-01-04 11:39:23 +01:00
smp.c
smp: Fix offline cpu check in flush_smp_call_function_queue()
2022-04-20 09:23:29 +02:00
smpboot.c
sched/core: Initialize the idle task with preemption disabled
2021-07-14 16:55:50 +02:00
smpboot.h
…
softirq.c
softirq: Add debug check to __raise_softirq_irqoff()
2020-09-16 15:18:56 +02:00
stackleak.c
gcc-plugins/stackleak: Use noinstr in favor of notrace
2022-02-23 12:01:00 +01:00
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 unused variable warn w/o MODULE
2021-09-08 08:49:00 +02:00
stop_machine.c
stop_machine, rcu: Mark functions as notrace
2020-10-26 12:12:27 +01:00
sys_ni.c
kernel/sys_ni: add compat entry for fadvise64_64
2022-08-31 17:15:13 +02:00
sys.c
getrusage: use sig->stats_lock rather than lock_task_sighand()
2024-03-15 10:48:22 -04:00
sysctl-test.c
kunit: allow kunit tests to be loaded as a module
2020-01-09 16:42:29 -07:00
sysctl.c
sched/rt: Disallow writing invalid values to sched_rt_period_us
2024-03-01 13:16:43 +01:00
task_work.c
task_work: add helper for more targeted task_work canceling
2023-01-04 11:39:23 +01:00
taskstats.c
taskstats: move specifying netlink policy back to ops
2020-10-02 19:11:12 -07:00
test_kprobes.c
…
torture.c
torture: Fix hang during kthread shutdown phase
2023-08-30 16:23:17 +02:00
tracepoint.c
tracepoint: Use rcu get state and cond sync for static call updates
2021-09-03 10:09:30 +02:00
tsacct.c
taskstats: Cleanup the use of task->exit_code
2022-01-27 10:54:33 +01:00
ucount.c
Revert "Add a reference to ucounts for each cred"
2021-09-08 08:49:00 +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: Fix smp_call_function_single_async prototype
2021-05-14 09:50:46 +02:00
user_namespace.c
Revert "Add a reference to ucounts for each cred"
2021-09-08 08:49:00 +02:00
user-return-notifier.c
…
user.c
user.c: make uidhash_table static
2020-06-04 19:06:24 -07:00
usermode_driver.c
bpf: Fix umd memory leak in copy_process()
2021-03-30 14:32:03 +02:00
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: fix IOC_WATCH_QUEUE_SET_SIZE alloc error paths
2023-03-17 08:45:13 +01:00
watchdog_hld.c
watchdog/perf: more properly prevent false positives with turbo modes
2023-07-27 08:43:40 +02:00
watchdog.c
watchdog: move softlockup_panic back to early_param
2023-11-28 16:54:56 +00:00
workqueue_internal.h
…
workqueue.c
Revert "workqueue: remove unused cancel_work()"
2023-12-08 08:46:13 +01:00