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Christophe Leroy 41cd780524 uaccess: Selectively open read or write user access 
When opening user access to only perform reads, only open read access.
When opening user access to only perform writes, only open write
access.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/2e73bc57125c2c6ab12a587586a4eed3a47105fc.1585898438.git.christophe.leroy@c-s.fr
2020-05-01 12:35:21 +10:00
..
bpf
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2020-03-30 19:52:37 -07:00
cgroup
Merge branch 'for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2020-04-03 11:30:20 -07:00
configs
compiler: remove CONFIG_OPTIMIZE_INLINING entirely
2020-04-07 10:43:42 -07:00
debug
SPDX patches for 5.7-rc1.
2020-04-03 13:12:26 -07:00
dma
dma-debug: fix displaying of dma allocation type
2020-04-08 21:46:57 +02:00
events
perf/core: Disable page faults when getting phys address
2020-04-08 11:33:46 +02:00
gcov
kernel/gcov/fs.c: gcov_seq_next() should increase position index
2020-04-10 15:36:22 -07:00
irq
x86 entry code updates:
2020-03-30 19:14:28 -07:00
livepatch
New tracing features:
2019-11-27 11:42:01 -08:00
locking
locking/lockdep: Improve 'invalid wait context' splat
2020-04-08 12:05:07 +02:00
power
PM / sleep: handle the compat case in snapshot_set_swap_area()
2020-04-06 21:42:36 +02:00
printk
printk: queue wake_up_klogd irq_work only if per-CPU areas are ready
2020-04-10 13:18:57 -07:00
rcu
Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-03-30 16:17:15 -07:00
sched
sched/debug: Add task uclamp values to SCHED_DEBUG procfs
2020-04-08 11:35:27 +02:00
time
time/namespace: Fix time_for_children symlink
2020-04-07 12:37:21 +02:00
trace
New tracing features:
2020-04-05 10:36:18 -07:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
acct.c
acct: stop using get_seconds()
2019-12-18 18:07:31 +01:00
async.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
audit_fsnotify.c
fsnotify: use helpers to access data by data_type
2020-03-23 18:19:06 +01:00
audit_tree.c
fsnotify: switch send_to_group() and ->handle_event to const struct qstr *
2019-04-26 13:51:03 -04:00
audit_watch.c
\n
2020-04-06 08:58:42 -07:00
audit.c
audit/stable-5.7 PR 20200330
2020-03-31 15:04:17 -07:00
audit.h
audit: trigger accompanying records when no rules present
2020-03-12 10:42:51 -04:00
auditfilter.c
audit: fix error handling in audit_data_to_entry()
2020-02-22 20:36:47 -05:00
auditsc.c
audit: trigger accompanying records when no rules present
2020-03-12 10:42:51 -04:00
backtracetest.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
bounds.c
…
capability.c
…
compat.c
uaccess: Selectively open read or write user access
2020-05-01 12:35:21 +10:00
configs.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
context_tracking.c
context-tracking: Introduce CONFIG_HAVE_TIF_NOHZ
2020-02-14 16:05:04 +01:00
cpu_pm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
cpu.c
CPU (hotplug) updates:
2020-03-30 18:06:39 -07:00
crash_core.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230
2019-06-19 17:09:06 +02:00
crash_dump.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
cred.c
kernel: doc: remove outdated comment cred.c
2020-03-25 10:04:01 -05:00
delayacct.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 25
2019-05-21 11:52:39 +02:00
dma.c
…
elfcore.c
kernel/elfcore.c: include proper prototypes
2019-09-25 17:51:39 -07:00
exec_domain.c
…
exit.c
uaccess: Selectively open read or write user access
2020-05-01 12:35:21 +10:00
extable.c
kernel/extable.c: use address-of operator on section symbols
2020-04-07 10:43:42 -07:00
fail_function.c
fail_function: no need to check return value of debugfs_create functions
2019-06-03 15:49:06 +02:00
fork.c
mm: set vm_next and vm_prev to NULL in vm_area_dup()
2020-04-07 10:43:37 -07:00
freezer.c
Revert "libata, freezer: avoid block device removal while system is frozen"
2019-10-06 09:11:37 -06:00
futex.c
Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-03-30 16:17:15 -07:00
gen_kheaders.sh
kheaders: explain why include/config/autoconf.h is excluded from md5sum
2019-11-11 20:10:01 +09:00
groups.c
…
hung_task.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
iomem.c
mm/nvdimm: add is_ioremap_addr and use that to check ioremap address
2019-07-12 11:05:40 -07:00
irq_work.c
lockdep: Annotate irq_work
2020-03-21 16:00:24 +01:00
jump_label.c
jump_label: Don't warn on __exit jump entries
2019-08-29 15:10:10 +01:00
kallsyms.c
kallsyms: unexport kallsyms_lookup_name() and kallsyms_on_each_symbol()
2020-04-07 10:43:44 -07:00
kcmp.c
kernel/kcmp.c: Use new infrastructure to fix deadlocks in execve
2020-03-25 10:04:01 -05:00
Kconfig.freezer
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
Kconfig.hz
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
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: remote coverage support
2019-12-04 19:44:14 -08:00
kexec_core.c
kexec: add machine_kexec_post_load()
2020-01-08 16:32:55 +00:00
kexec_elf.c
kexec_elf: support 32 bit ELF files
2019-09-06 23:58:44 +02:00
kexec_file.c
kexec: add machine_kexec_post_load()
2020-01-08 16:32:55 +00:00
kexec_internal.h
kexec: add machine_kexec_post_load()
2020-01-08 16:32:55 +00:00
kexec.c
kexec: add machine_kexec_post_load()
2020-01-08 16:32:55 +00:00
kheaders.c
kheaders: Move from proc to sysfs
2019-05-24 20:16:01 +02:00
kmod.c
kmod: make request_module() return an error when autoloading is disabled
2020-04-10 15:36:22 -07:00
kprobes.c
kprobes: Fix optimize_kprobe()/unoptimize_kprobe() cancellation logic
2020-01-09 12:40:13 +01:00
ksysfs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 170
2019-05-30 11:26:39 -07:00
kthread.c
kthread: Do not preempt current task if it is going to call schedule()
2020-03-20 13:06:20 +01:00
latencytop.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
Makefile
kcov: ignore fault-inject and stacktrace
2020-01-31 10:30:41 -08:00
module_signature.c
MODSIGN: Export module signature definitions
2019-08-05 18:39:56 -04:00
module_signing.c
MODSIGN: Export module signature definitions
2019-08-05 18:39:56 -04:00
module-internal.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
module.c
Modules updates for v5.7
2020-04-09 12:52:34 -07:00
notifier.c
x86/mm: split vmalloc_sync_all()
2020-03-21 18:56:06 -07:00
nsproxy.c
ns: Introduce Time Namespace
2020-01-14 12:20:48 +01:00
padata.c
crypto: pcrypt - simplify error handling in pcrypt_create_aead()
2020-03-06 12:28:24 +11:00
panic.c
locking/refcount: Remove unused 'refcount_error_report()' function
2019-11-25 09:15:42 +01:00
params.c
lockdown: Lock down module params that specify hardware parameters (eg. ioport)
2019-08-19 21:54:16 -07:00
pid_namespace.c
pid: Improve the comment about waiting in zap_pid_ns_processes
2020-02-28 16:29:12 -06:00
pid.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2020-04-10 12:59:56 -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
…
reboot.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
relay.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-03-12 13:27:20 -07:00
resource.c
mm/memory_hotplug.c: use PFN_UP / PFN_DOWN in walk_system_ram_range()
2019-09-24 15:54:09 -07:00
rseq.c
rseq: Reject unknown flags on rseq unregister
2019-12-25 10:41:20 +01:00
seccomp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2020-03-31 17:29:33 -07:00
signal.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2020-04-02 11:22:17 -07:00
smp.c
cpu/hotplug: Move bringup of secondary CPUs out of smp_init()
2020-03-25 12:59:37 +01:00
smpboot.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
smpboot.h
…
softirq.c
lockdep: Rename trace_{hard,soft}{irq_context,irqs_enabled}()
2020-03-21 16:03:54 +01:00
stackleak.c
…
stacktrace.c
stacktrace: Get rid of unneeded '!!' pattern
2019-11-11 10:30:59 +01:00
stop_machine.c
stop_machine: Make stop_cpus() static
2020-01-17 10:19:21 +01:00
sys_ni.c
y2038: allow disabling time32 system calls
2019-11-15 14:38:30 +01:00
sys.c
sys/sysinfo: Respect boottime inside time namespace
2020-03-03 19:34:32 +01:00
sysctl_binary.c
sysctl: Remove the sysctl system call
2019-11-26 13:03:56 -06:00
sysctl-test.c
kunit: allow kunit tests to be loaded as a module
2020-01-09 16:42:29 -07:00
sysctl.c
mm/compaction: Disable compact_unevictable_allowed on RT
2020-04-02 09:35:31 -07:00
task_work.c
task_work_run: don't take ->pi_lock unconditionally
2020-03-02 14:06:33 -07:00
taskstats.c
taskstats: fix data-race
2019-12-04 15:18:39 +01:00
test_kprobes.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 25
2019-05-21 11:52:39 +02:00
torture.c
CPU (hotplug) updates:
2020-03-30 18:06:39 -07:00
tracepoint.c
The main changes in this release include:
2019-07-18 11:51:00 -07:00
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
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
up.c
smp/up: Make smp_call_function_single() match SMP semantics
2020-02-07 15:34:12 +01:00
user_namespace.c
Keyrings namespacing
2019-07-08 19:36:47 -07:00
user-return-notifier.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
user.c
Keyrings namespacing
2019-07-08 19:36:47 -07:00
utsname_sysctl.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
utsname.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
2019-06-05 17:37:17 +02:00
watchdog_hld.c
kernel/watchdog_hld.c: hard lockup message should end with a newline
2019-04-19 09:46:05 -07:00
watchdog.c
watchdog/softlockup: Enforce that timestamp is valid on boot
2020-01-17 11:19:22 +01:00
workqueue_internal.h
sched/core, workqueues: Distangle worker accounting from rq lock
2019-04-16 16:55:15 +02:00
workqueue.c
workqueue: Remove the warning in wq_worker_sleeping()
2020-04-08 11:35:20 +02:00