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linux-rockchip/kernel
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Yuntao Wang 7f845de286 bpf: Fix potential array overflow in bpf_trampoline_get_progs() 
commit a2aa95b71c upstream.

The cnt value in the 'cnt >= BPF_MAX_TRAMP_PROGS' check does not
include BPF_TRAMP_MODIFY_RETURN bpf programs, so the number of
the attached BPF_TRAMP_MODIFY_RETURN bpf programs in a trampoline
can exceed BPF_MAX_TRAMP_PROGS.

When this happens, the assignment '*progs++ = aux->prog' in
bpf_trampoline_get_progs() will cause progs array overflow as the
progs field in the bpf_tramp_progs struct can only hold at most
BPF_MAX_TRAMP_PROGS bpf programs.

Fixes: 88fd9e5352 ("bpf: Refactor trampoline update code")
Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Link: https://lore.kernel.org/r/20220430130803.210624-1-ytcoode@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-06 08:42:45 +02:00
..
bpf
bpf: Fix potential array overflow in bpf_trampoline_get_progs()
2022-06-06 08:42:45 +02:00
cgroup
cgroup/cpuset: Remove cpus_allowed/mems_allowed setup in cpuset_init_smp()
2022-05-18 10:23:47 +02:00
configs
…
debug
lockdown: also lock down previous kgdb use
2022-05-30 09:33:22 +02:00
dma
Reinstate some of "swiotlb: rework "fix info leak with DMA_FROM_DEVICE""
2022-05-25 09:17:55 +02:00
entry
KVM: rseq: Update rseq when processing NOTIFY_RESUME on xfer to KVM guest
2021-10-06 15:55:49 +02:00
events
perf: Fix sys_perf_event_open() race against self
2022-05-25 09:17:55 +02:00
gcov
gcov: re-fix clang-11+ support
2021-04-14 08:41:58 +02:00
irq
random: remove unused irq_flags argument from add_interrupt_randomness()
2022-05-30 09:33:27 +02:00
kcsan
kcsan: Fix debugfs initcall return type
2021-05-26 12:06:54 +02:00
livepatch
livepatch: Fix build failure on 32 bits processors
2022-04-08 14:40:15 +02:00
locking
locking/lockdep: Iterate lock_classes directly when reading lockdep files
2022-04-08 14:40:32 +02:00
power
PM: suspend: fix return value of __setup handler
2022-04-08 14:40:01 +02:00
printk
printk: fix return value of printk.devkmsg __setup handler
2022-04-08 14:40:08 +02:00
rcu
rcu: Apply callbacks processing time limit only on softirq
2022-05-12 12:25:45 +02:00
sched
sched/pelt: Fix attach_entity_load_avg() corner case
2022-04-27 13:53:56 +02:00
time
timekeeping: Add raw clock fallback for random_get_entropy()
2022-05-30 09:33:41 +02:00
trace
tracing: Dump stacktrace trigger to the corresponding instance
2022-04-27 13:53:46 +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
…
async.c
Revert "module, async: async_synchronize_full() on module init iff async is used"
2022-02-23 12:01:00 +01:00
audit_fsnotify.c
…
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.c
audit: improve audit queue handling when "audit=1" on cmdline
2022-02-08 18:30:34 +01:00
audit.h
audit: log AUDIT_TIME_* records only from rules
2022-04-08 14:40:00 +02:00
auditfilter.c
…
auditsc.c
audit: log AUDIT_TIME_* records only from rules
2022-04-08 14:40:00 +02:00
backtracetest.c
…
bounds.c
…
capability.c
…
compat.c
…
configs.c
…
context_tracking.c
…
cpu_pm.c
PM: cpu: Make notifier chain use a raw_spinlock_t
2021-09-15 09:50:40 +02:00
cpu.c
random: clear fast pool, crng, and batches in cpuhp bring up
2022-05-30 09:33:36 +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
…
cred.c
Revert "Add a reference to ucounts for each cred"
2021-09-08 08:49:00 +02:00
delayacct.c
…
dma.c
…
exec_domain.c
…
exit.c
…
extable.c
…
fail_function.c
…
fork.c
copy_process(): Move fd_install() out of sighand->siglock critical section
2022-02-23 12:01:08 +01:00
freezer.c
Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing"
2021-04-07 15:00:14 +02:00
futex.c
mm, futex: fix shared futex pgoff on shmem huge page
2021-06-30 08:47:29 -04:00
gen_kheaders.sh
…
groups.c
…
hung_task.c
…
iomem.c
…
irq_work.c
…
jump_label.c
jump_label: Fix jump_label_text_reserved() vs __init
2021-07-20 16:05:58 +02:00
kallsyms.c
…
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
…
kexec_core.c
…
kexec_elf.c
…
kexec_file.c
kernel: kexec_file: fix error return code of kexec_calculate_store_digests()
2021-05-19 10:13:09 +02:00
kexec_internal.h
…
kexec.c
…
kheaders.c
…
kmod.c
…
kprobes.c
kprobes: Limit max data_size of the kretprobe instances
2021-12-08 09:03:20 +01:00
ksysfs.c
…
kthread.c
kthread: Fix PF_KTHREAD vs to_kthread() race
2021-09-03 10:09:31 +02:00
latencytop.c
…
Makefile
kbuild: update config_data.gz only when the content of .config is changed
2021-05-11 14:47:37 +02:00
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
module: check for exit sections in layout_sections() instead of module_init_section()
2022-05-25 09:18:02 +02:00
notifier.c
…
nsproxy.c
…
padata.c
…
panic.c
…
params.c
…
pid_namespace.c
memcg: enable accounting for pids in nested pid namespaces
2021-09-18 13:40:36 +02:00
pid.c
…
profile.c
profiling: fix shift-out-of-bounds bugs
2021-09-26 14:08:58 +02:00
ptrace.c
ptrace: Check PTRACE_O_SUSPEND_SECCOMP permission on PTRACE_SEIZE
2022-04-08 14:39:50 +02:00
range.c
…
reboot.c
…
regset.c
…
relay.c
…
resource.c
kernel/resource: make walk_mem_res() find all busy IORESOURCE_MEM resources
2021-05-19 10:13:09 +02:00
rseq.c
rseq: Remove broken uapi field layout on 32-bit little endian
2022-04-08 14:40:03 +02:00
scftorture.c
…
scs.c
…
seccomp.c
seccomp: Fix setting loaded filter count during TSYNC
2021-08-18 08:59:06 +02:00
signal.c
signal: Remove the bogus sigkill_pending in ptrace_stop
2021-11-18 14:03:47 +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
…
stackleak.c
gcc-plugins/stackleak: Use noinstr in favor of notrace
2022-02-23 12:01:00 +01:00
stacktrace.c
…
static_call.c
static_call: Fix unused variable warn w/o MODULE
2021-09-08 08:49:00 +02:00
stop_machine.c
…
sys_ni.c
…
sys.c
prctl: allow to setup brk for et_dyn executables
2021-09-26 14:08:57 +02:00
sysctl-test.c
…
sysctl.c
x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting
2022-03-11 12:11:49 +01:00
task_work.c
…
taskstats.c
…
test_kprobes.c
…
torture.c
…
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
…
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
…
usermode_driver.c
bpf: Fix umd memory leak in copy_process()
2021-03-30 14:32:03 +02:00
utsname_sysctl.c
…
utsname.c
…
watch_queue.c
watch_queue: Free the page array when watch_queue is dismantled
2022-04-08 14:40:41 +02:00
watchdog_hld.c
…
watchdog.c
watchdog: fix barriers when printing backtraces from all CPUs
2021-05-19 10:13:00 +02:00
workqueue_internal.h
…
workqueue.c
workqueue: Fix unbind_workers() VS wq_worker_running() race
2022-01-16 09:14:22 +01:00