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Jim Cromie fe9db435d2 dyndbg: fix use before null check 
commit 3577afb005 upstream.

In commit a2d375eda7 ("dyndbg: refine export, rename to
dynamic_debug_exec_queries()"), a string is copied before checking it
isn't NULL.  Fix this, report a usage/interface error, and return the
proper error code.

Fixes: a2d375eda7 ("dyndbg: refine export, rename to dynamic_debug_exec_queries()")
Cc: stable@vger.kernel.org
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Link: https://lore.kernel.org/r/20201209183625.2432329-1-jim.cromie@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-30 11:54:11 +01:00
..
842
kbuild: trace functions in subdirectories of lib/
2020-08-10 01:32:59 +09:00
crypto
crypto: lib/chacha20poly1305 - Set SG_MITER_ATOMIC unconditionally
2020-09-25 17:48:13 +10:00
dim
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
fonts
Fonts: Replace discarded const qualifier
2020-11-03 10:51:34 +01:00
kunit
Merge tag 'linux-kselftest-kunit-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
2020-10-18 14:45:59 -07:00
livepatch
Merge tag 'kbuild-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-08-09 14:10:26 -07:00
lz4
lz4: fix kernel decompression speed
2020-08-14 19:56:56 -07:00
lzo
kbuild: trace functions in subdirectories of lib/
2020-08-10 01:32:59 +09:00
math
kernel.h: split out min()/max() et al. helpers
2020-10-16 11:11:19 -07:00
mpi
lib/mpi/mpi-bit.c: fix spello of "functions"
2020-10-16 11:11:20 -07:00
pldmfw
Add pldmfw library for PLDM firmware update
2020-07-28 17:07:06 -07:00
raid6
kbuild: trace functions in subdirectories of lib/
2020-08-10 01:32:59 +09:00
reed_solomon
kbuild: trace functions in subdirectories of lib/
2020-08-10 01:32:59 +09:00
vdso
vdso/treewide: Add vdso_data pointer argument to __arch_get_hw_counter()
2020-08-06 10:57:30 +02:00
xz
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
zlib_deflate
kbuild: trace functions in subdirectories of lib/
2020-08-10 01:32:59 +09:00
zlib_dfltcc
zlib: export S390 symbols for zlib modules
2020-12-06 10:19:07 -08:00
zlib_inflate
kbuild: trace functions in subdirectories of lib/
2020-08-10 01:32:59 +09:00
zstd
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
.gitignore
…
argv_split.c
…
ashldi3.c
…
ashrdi3.c
…
asn1_decoder.c
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
assoc_array.c
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
atomic64_test.c
…
atomic64.c
…
audit.c
…
bcd.c
…
bch.c
…
bitfield_kunit.c
lib: kunit: Fix compilation test when using TEST_BIT_FIELD_COMPILE
2020-10-16 13:25:14 -06:00
bitmap.c
lib: bitmap: delete duplicated words
2020-10-16 11:11:19 -07:00
bitrev.c
…
bootconfig.c
lib/bootconfig: Fix to remove tailing spaces after value
2020-09-21 21:50:09 -04:00
bsearch.c
…
btree.c
…
bucket_locks.c
…
bug.c
…
build_OID_registry
…
bust_spinlocks.c
…
check_signature.c
…
checksum.c
unify generic instances of csum_partial_copy_nocheck()
2020-08-20 15:45:14 -04:00
clz_ctz.c
…
clz_tab.c
…
cmdline.c
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
cmpdi2.c
…
compat_audit.c
…
cpu_rmap.c
…
cpumask.c
lib: Restrict cpumask_local_spread to houskeeping CPUs
2020-07-08 11:39:01 +02:00
crc4.c
…
crc7.c
…
crc8.c
…
crc16.c
…
crc32.c
lib/crc32.c: fix trivial typo in preprocessor condition
2020-10-16 11:11:20 -07:00
crc32defs.h
…
crc32test.c
lib/crc32test: remove extra local_irq_disable/enable
2020-11-02 12:14:19 -08:00
crc64.c
lib/: replace HTTP links with HTTPS ones
2020-08-12 10:58:00 -07:00
crc-ccitt.c
…
crc-itu-t.c
…
crc-t10dif.c
crc-t10dif: clean up some more things
2020-06-18 17:26:43 +10:00
ctype.c
…
debug_info.c
…
debug_locks.c
…
debugobjects.c
debugobjects: Free per CPU pool after CPU unplug
2020-10-01 16:13:54 +02:00
dec_and_lock.c
…
decompress_bunzip2.c
lib: decompress_bunzip2: delete duplicated words
2020-10-16 11:11:19 -07:00
decompress_inflate.c
…
decompress_unlz4.c
…
decompress_unlzma.c
lib/: replace HTTP links with HTTPS ones
2020-08-12 10:58:00 -07:00
decompress_unlzo.c
…
decompress_unxz.c
…
decompress_unzstd.c
lib: decompress_unzstd: Limit output size
2020-09-03 10:13:09 +02:00
decompress.c
lib: Add zstd support to decompress
2020-07-31 11:49:08 +02:00
devres.c
driver core: platform: Document return type of more functions
2020-09-10 18:30:01 +02:00
digsig.c
…
dump_stack.c
…
dynamic_debug.c
dyndbg: fix use before null check
2020-12-30 11:54:11 +01:00
dynamic_queue_limits.c
lib: dynamic_queue_limits: delete duplicated words + fix typo
2020-10-16 11:11:20 -07:00
earlycpio.c
lib: earlycpio: delete duplicated words
2020-10-16 11:11:20 -07:00
errname.c
…
error-inject.c
…
errseq.c
…
extable.c
…
fault-inject-usercopy.c
lib, include/linux: add usercopy failure capability
2020-10-16 11:11:22 -07:00
fault-inject.c
…
fdt_addresses.c
…
fdt_empty_tree.c
…
fdt_ro.c
…
fdt_rw.c
…
fdt_strerror.c
…
fdt_sw.c
…
fdt_wip.c
…
fdt.c
…
find_bit_benchmark.c
…
find_bit.c
kernel.h: split out min()/max() et al. helpers
2020-10-16 11:11:19 -07:00
flex_proportions.c
…
gen_crc32table.c
…
gen_crc64table.c
…
genalloc.c
…
generic-radix-tree.c
…
glob.c
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
globtest.c
…
hexdump.c
kernel.h: split out min()/max() et al. helpers
2020-10-16 11:11:19 -07:00
hweight.c
…
idr.c
Merge tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray
2020-10-20 14:39:37 -07:00
inflate.c
…
interval_tree_test.c
…
interval_tree.c
…
iomap_copy.c
…
iomap.c
iomap: constify ioreadX() iomem argument (as in generic implementation)
2020-08-14 19:56:57 -07:00
iommu-helper.c
…
iov_iter.c
lib, uaccess: add failure injection to usercopy functions
2020-10-16 11:11:22 -07:00
irq_poll.c
…
irq_regs.c
…
is_single_threaded.c
…
kasprintf.c
…
Kconfig
x86, powerpc: Rename memcpy_mcsafe() to copy_mc_to_{user, kernel}()
2020-10-06 11:18:04 +02:00
Kconfig.debug
docs: Kconfig/Makefile: add a check for broken ABI files
2020-10-30 13:08:07 +01:00
Kconfig.kasan
KASAN: port KASAN Tests to KUnit
2020-10-13 18:38:32 -07:00
Kconfig.kcsan
kcsan: Test support for compound instrumentation
2020-08-24 15:09:58 -07:00
Kconfig.kgdb
kgdb: Honour the kprobe blocklist when setting breakpoints
2020-09-28 12:14:08 +01:00
Kconfig.ubsan
ubsan: introduce CONFIG_UBSAN_LOCAL_BOUNDS for Clang
2020-10-16 11:11:22 -07:00
kfifo.c
…
klist.c
…
kobject_uevent.c
…
kobject.c
kobject: Drop unneeded conditional in __kobject_del()
2020-09-07 11:24:17 +02:00
kstrtox.c
kstrto*: do not describe simple_strto*() as obsolete/replaced
2020-08-12 10:58:00 -07:00
kstrtox.h
…
libcrc32c.c
lib: libcrc32c: delete duplicated words
2020-10-16 11:11:19 -07:00
linear_ranges.c
…
list_debug.c
…
list_sort.c
…
list-test.c
…
llist.c
…
locking-selftest-hardirq.h
…
locking-selftest-mutex.h
…
locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
…
locking-selftest-rlock.h
…
locking-selftest-rsem.h
…
locking-selftest-rtmutex.h
…
locking-selftest-softirq.h
…
locking-selftest-spin-hardirq.h
…
locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
…
locking-selftest-wlock-hardirq.h
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
…
locking-selftest-wsem.h
…
locking-selftest.c
lockdep/selftest: Introduce recursion3
2020-08-26 12:42:08 +02:00
lockref.c
…
logic_pio.c
…
lru_cache.c
…
lshrdi3.c
…
Makefile
selftest/fpu: avoid clang warning
2020-12-11 14:02:14 -08:00
memcat_p.c
…
memory-notifier-error-inject.c
…
memregion.c
lib/memregion.c: include memregion.h
2020-09-26 10:33:57 -07:00
memweight.c
…
muldi3.c
…
net_utils.c
…
netdev-notifier-error-inject.c
…
nlattr.c
netlink: export policy in extended ACK
2020-10-09 20:22:32 -07:00
nmi_backtrace.c
lib: Add backtrace_idle parameter to force backtrace of idle CPUs
2020-08-24 14:24:25 -07:00
nodemask.c
…
notifier-error-inject.c
…
notifier-error-inject.h
…
objagg.c
…
of-reconfig-notifier-error-inject.c
…
oid_registry.c
…
once.c
…
packing.c
lib: packing: add documentation for pbuflen argument
2020-06-28 20:45:27 -07:00
parman.c
…
parser.c
…
pci_iomap.c
…
percpu_counter.c
lib/percpu_counter.c: use helper macro abs()
2020-10-16 11:11:20 -07:00
percpu_test.c
…
percpu-refcount.c
percpu_ref: don't refer to ref->data if it isn't allocated
2020-10-09 12:32:06 -06:00
plist.c
…
pm-notifier-error-inject.c
…
radix-tree.c
Merge tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray
2020-10-20 14:39:37 -07:00
random32.c
random32: add a selftest for the prandom32 code
2020-10-24 20:21:57 +02:00
ratelimit.c
…
rbtree_test.c
…
rbtree.c
lib/: replace HTTP links with HTTPS ones
2020-08-12 10:58:00 -07:00
refcount.c
…
rhashtable.c
rhashtable: Restore RCU marking on rhash_lock_head
2020-07-28 17:09:49 -07:00
sbitmap.c
sbitmap: Consider cleared bits in sbitmap_bitmap_show()
2020-07-01 10:53:00 -06:00
scatterlist.c
lib/scatterlist: use consistent sg_copy_buffer() return type
2020-10-29 08:55:45 -06:00
seq_buf.c
seq_buf: Export seq_buf_printf
2020-06-15 18:22:43 -07:00
sg_pool.c
…
sg_split.c
…
sha1.c
…
show_mem.c
…
siphash.c
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
smp_processor_id.c
…
sort.c
…
stackdepot.c
…
stmp_device.c
…
string_helpers.c
lib: string_helpers: provide kfree_strarray()
2020-09-30 10:50:30 +02:00
string.c
lib/string.c: implement stpcpy
2020-09-26 10:33:57 -07:00
strncpy_from_user.c
lib/strncpy_from_user.c: Mask out bytes after NUL terminator.
2020-11-19 11:56:16 -08:00
strnlen_user.c
…
syscall.c
lib/syscall: fix syscall registers retrieval on 32-bit platforms
2020-12-03 09:52:44 -08:00
test_bitmap.c
test_bitmap: remove user bitmap tests
2020-09-08 22:21:33 -04:00
test_bitops.c
lib/test_bitops: do the full test during module init
2020-08-12 10:57:59 -07:00
test_bits.c
lib/test_bits.c: add tests of GENMASK
2020-08-12 10:58:00 -07:00
test_blackhole_dev.c
…
test_bpf.c
bpf: revert "test_bpf: Flag tests that cannot be jited on s390"
2020-07-16 20:52:43 +02:00
test_debug_virtual.c
…
test_firmware.c
test_firmware: Test partial read support
2020-10-05 13:37:04 +02:00
test_fpu.c
selftests/fpu: Add an FPU selftest
2020-06-29 10:02:23 +02:00
test_free_pages.c
mm/page_alloc.c: fix freeing non-compound pages
2020-10-13 18:38:33 -07:00
test_hash.c
…
test_hexdump.c
…
test_hmm_uapi.h
mm/hmm: add tests for hmm_pfn_to_map_order()
2020-07-10 16:24:28 -03:00
test_hmm.c
lib/test_hmm.c: fix an error code in dmirror_allocate_chunk()
2020-10-16 11:11:20 -07:00
test_ida.c
…
test_kasan_module.c
KASAN: port KASAN Tests to KUnit
2020-10-13 18:38:32 -07:00
test_kasan.c
kasan: adopt KUNIT tests to SW_TAGS mode
2020-11-02 12:14:18 -08:00
test_kmod.c
test_kmod: avoid potential double free in trigger_config_run_type()
2020-08-12 10:58:01 -07:00
test_linear_ranges.c
…
test_list_sort.c
…
test_lockup.c
lib/test_lockup.c: fix return value of test_lockup_init()
2020-08-12 10:58:00 -07:00
test_memcat_p.c
…
test_meminit.c
…
test_min_heap.c
…
test_module.c
…
test_objagg.c
test_objagg: Fix potential memory leak in error handling
2020-06-15 13:32:11 -07:00
test_overflow.c
…
test_parman.c
…
test_printf.c
…
test_rhashtable.c
rhashtable: fix indentation of a continue statement
2020-09-20 14:10:06 -07:00
test_siphash.c
…
test_sort.c
…
test_stackinit.c
…
test_static_key_base.c
…
test_static_keys.c
…
test_string.c
…
test_strscpy.c
…
test_sysctl.c
lib: test_sysctl: delete duplicated words
2020-10-16 11:11:20 -07:00
test_ubsan.c
…
test_user_copy.c
…
test_uuid.c
…
test_vmalloc.c
lib/test_vmalloc.c: Add test cases for kvfree_rcu()
2020-06-29 11:59:26 -07:00
test_xarray.c
Merge tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray
2020-10-20 14:39:37 -07:00
test-kstrtox.c
…
test-string_helpers.c
lib/test-string_helpers.c: Add string_upper() and string_lower() tests
2020-07-15 12:45:06 +03:00
textsearch.c
…
timerqueue.c
…
ts_bm.c
lib/: replace HTTP links with HTTPS ones
2020-08-12 10:58:00 -07:00
ts_fsm.c
lib: Revert use of fallthrough pseudo-keyword in lib/
2020-08-24 14:17:44 -07:00
ts_kmp.c
…
ubsan.c
…
ubsan.h
…
ucmpdi2.c
…
ucs2_string.c
…
usercopy.c
lib, uaccess: add failure injection to usercopy functions
2020-10-16 11:11:22 -07:00
uuid.c
…
vsprintf.c
vsprintf: use bd_partno in bdev_name
2020-09-25 08:18:58 -06:00
win_minmax.c
…
xarray.c
Merge tag 'xarray-5.9' of git://git.infradead.org/users/willy/xarray
2020-10-20 14:39:37 -07:00
xxhash.c
lib/: replace HTTP links with HTTPS ones
2020-08-12 10:58:00 -07:00