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linux-rockchip/kernel
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Oleg Nesterov 24141df5a8 uprobes: fix kernel info leak via "[uprobes]" vma 
commit 34820304cc2cd1804ee1f8f3504ec77813d29c8e upstream.

xol_add_vma() maps the uninitialized page allocated by __create_xol_area()
into userspace. On some architectures (x86) this memory is readable even
without VM_READ, VM_EXEC results in the same pgprot_t as VM_EXEC|VM_READ,
although this doesn't really matter, debugger can read this memory anyway.

Link: https://lore.kernel.org/all/20240929162047.GA12611@redhat.com/

Reported-by: Will Deacon <will@kernel.org>
Fixes: d4b3b6384f ("uprobes/core: Allocate XOL slots for uprobes use")
Cc: stable@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-10-17 15:22:05 +02:00
..
bpf
bpf: Zero former ARG_PTR_TO_{LONG,INT} args in case of error
2024-10-17 15:21:00 +02:00
cgroup
cgroup: Protect css->cgroup write under css_set_lock
2024-09-12 11:10:22 +02:00
configs
…
debug
kdb: Use the passed prompt in kdb_position_cursor()
2024-08-03 08:49:47 +02:00
dma
dma-mapping: benchmark: Don't starve others when doing the test
2024-09-12 11:10:23 +02:00
entry
entry: Respect changes to system call number by trace_sys_enter()
2024-04-03 15:19:44 +02:00
events
uprobes: fix kernel info leak via "[uprobes]" vma
2024-10-17 15:22:05 +02:00
futex
futex: Don't include process MM in futex key on no-MMU
2023-11-20 11:51:50 +01:00
gcov
gcov: add support for GCC 14
2024-06-27 13:46:22 +02:00
irq
genirq/irqdesc: Honor caller provided affinity in alloc_desc()
2024-08-14 13:52:58 +02:00
kcsan
…
livepatch
livepatch: Fix missing newline character in klp_resolve_symbols()
2023-11-20 11:52:10 +01:00
locking
lockdep: fix deadlock issue between lockdep and rcu
2024-10-17 15:21:27 +02:00
module
module: Fix KCOV-ignored file name
2024-10-17 15:21:27 +02:00
power
PM: s2idle: Make sure CPUs will wakeup directly on resume
2024-04-17 11:18:22 +02:00
printk
printk: Update @console_may_schedule in console_trylock_spinning()
2024-04-03 15:19:44 +02:00
rcu
rcuscale: Provide clear error when async specified without primitives
2024-10-17 15:21:42 +02:00
sched
sched/smt: Fix unbalance sched_smt_present dec/inc
2024-08-14 13:53:00 +02:00
time
hrtimer: Prevent queuing of hrtimer without a function callback
2024-08-29 17:30:41 +02:00
trace
tracing/timerlat: Fix a race during cpuhp processing
2024-10-17 15:22:02 +02:00
.gitignore
…
acct.c
…
async.c
async: Introduce async_schedule_dev_nocall()
2024-01-31 16:17:00 -08:00
audit_fsnotify.c
…
audit_tree.c
…
audit_watch.c
audit: don't WARN_ON_ONCE(!current->mm) in audit_exe_compare()
2023-11-28 17:07:08 +00:00
audit.c
audit: Send netlink ACK before setting connection in auditd_set
2024-02-05 20:12:47 +00:00
audit.h
…
auditfilter.c
ima: Avoid blocking in RCU read-side critical section
2024-07-11 12:47:16 +02:00
auditsc.c
audit,io_uring: io_uring openat triggers audit reference count underflow
2023-10-25 12:03:04 +02:00
backtracetest.c
…
bounds.c
bounds: Use the right number of bits for power-of-two CONFIG_NR_CPUS
2024-05-02 16:29:32 +02:00
capability.c
…
cfi.c
…
compat.c
…
configs.c
…
context_tracking.c
…
cpu_pm.c
…
cpu.c
cpu/hotplug: Fix dynstate assignment in __cpuhp_setup_state_cpuslocked()
2024-07-05 09:31:56 +02:00
crash_core.c
…
crash_dump.c
…
cred.c
cred: switch to using atomic_long_t
2023-12-20 17:00:20 +01:00
delayacct.c
…
dma.c
…
exec_domain.c
…
exit.c
mm: optimize the redundant loop of mm_update_owner_next()
2024-07-11 12:47:13 +02:00
extable.c
…
fail_function.c
…
fork.c
close_range(): fix the logics in descriptor table trimming
2024-10-17 15:22:03 +02:00
freezer.c
…
gen_kheaders.sh
kheaders: explicitly define file modes for archived headers
2024-06-27 13:46:24 +02:00
groups.c
…
hung_task.c
…
iomem.c
…
irq_work.c
…
jump_label.c
jump_label: Fix static_key_slow_dec() yet again
2024-10-17 15:21:29 +02:00
kallsyms_internal.h
kallsyms: Reduce the memory occupied by kallsyms_seqs_of_names[]
2023-10-25 12:03:16 +02:00
kallsyms.c
kallsyms: Add helper kallsyms_on_each_match_symbol()
2023-10-25 12:03:16 +02:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
…
Kconfig.preempt
…
kcov.c
kcov: properly check for softirq context
2024-08-14 13:52:58 +02:00
kexec_core.c
…
kexec_elf.c
…
kexec_file.c
…
kexec_internal.h
…
kexec.c
kernel: kexec: copy user-array safely
2023-11-28 17:06:57 +00:00
kheaders.c
…
kmod.c
…
kprobes.c
kprobes: Fix to check symbol prefixes correctly
2024-08-14 13:52:54 +02:00
ksysfs.c
…
kthread.c
kthread: fix task state in kthread worker if being frozen
2024-10-17 15:20:58 +02:00
latencytop.c
…
Makefile
kernel/numa.c: Move logging out of numa.h
2024-06-12 11:03:16 +02:00
module_signature.c
…
notifier.c
…
nsproxy.c
…
numa.c
kernel/numa.c: Move logging out of numa.h
2024-06-12 11:03:16 +02:00
padata.c
padata: use integer wrap around to prevent deadlock on seq_nr overflow
2024-10-17 15:21:24 +02:00
panic.c
panic: Flush kernel log buffer at the end
2024-04-13 13:04:54 +02:00
params.c
…
pid_namespace.c
pid: Replace struct pid 1-element array with flex-array
2024-08-29 17:30:18 +02:00
pid.c
pid: Replace struct pid 1-element array with flex-array
2024-08-29 17:30:18 +02:00
profile.c
profiling: remove profile=sleep support
2024-08-14 13:52:50 +02:00
ptrace.c
…
range.c
…
reboot.c
kernel/reboot: emergency_restart: Set correct system_state
2023-11-28 17:07:13 +00:00
regset.c
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relay.c
…
resource_kunit.c
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resource.c
resource: fix region_intersects() vs add_memory_driver_managed()
2024-10-17 15:21:55 +02:00
rseq.c
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scftorture.c
scftorture: Forgive memory-allocation failure if KASAN
2023-09-23 11:11:00 +02:00
scs.c
…
seccomp.c
…
signal.c
kernel: rerun task_work while freezing in get_signal()
2024-08-03 08:49:31 +02:00
smp.c
smp: Add missing destroy_work_on_stack() call in smp_call_on_cpu()
2024-09-12 11:10:24 +02:00
smpboot.c
…
smpboot.h
…
softirq.c
softirq: Fix suspicious RCU usage in __do_softirq()
2024-06-12 11:03:01 +02:00
stackleak.c
…
stacktrace.c
…
static_call_inline.c
static_call: Replace pointless WARN_ON() in static_call_module_notify()
2024-10-17 15:21:29 +02:00
static_call.c
…
stop_machine.c
…
sys_ni.c
syscalls: fix compat_sys_io_pgetevents_time64 usage
2024-07-05 09:31:59 +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
…
sysctl.c
…
task_work.c
task_work: Introduce task_work_cancel() again
2024-08-03 08:49:34 +02:00
taskstats.c
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torture.c
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tracepoint.c
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tsacct.c
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ucount.c
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uid16.c
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uid16.h
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umh.c
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up.c
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user_namespace.c
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user-return-notifier.c
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user.c
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usermode_driver.c
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utsname_sysctl.c
…
utsname.c
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watch_queue.c
kernel: watch_queue: copy user-array safely
2023-11-28 17:06:57 +00:00
watchdog_hld.c
watchdog/perf: properly initialize the turbo mode timestamp and rearm counter
2024-08-03 08:49:42 +02:00
watchdog.c
watchdog: move softlockup_panic back to early_param
2023-11-28 17:07:09 +00:00
workqueue_internal.h
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workqueue.c
workqueue: Improve scalability of workqueue watchdog touch
2024-09-12 11:10:27 +02:00