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Filename Latest commit message Latest commit date
Nick Desaulniers 7c29fd8317 lib/string.c: implement stpcpy 
commit 1e1b6d63d6340764e00356873e5794225a2a03ea upstream.

LLVM implemented a recent "libcall optimization" that lowers calls to
`sprintf(dest, "%s", str)` where the return value is used to
`stpcpy(dest, str) - dest`.

This generally avoids the machinery involved in parsing format strings.
`stpcpy` is just like `strcpy` except it returns the pointer to the new
tail of `dest`.  This optimization was introduced into clang-12.

Implement this so that we don't observe linkage failures due to missing
symbol definitions for `stpcpy`.

Similar to last year's fire drill with: commit 5f074f3e192f
("lib/string.c: implement a basic bcmp")

The kernel is somewhere between a "freestanding" environment (no full
libc) and "hosted" environment (many symbols from libc exist with the
same type, function signature, and semantics).

As Peter Anvin notes, there's not really a great way to inform the
compiler that you're targeting a freestanding environment but would like
to opt-in to some libcall optimizations (see pr/47280 below), rather
than opt-out.

Arvind notes, -fno-builtin-* behaves slightly differently between GCC
and Clang, and Clang is missing many __builtin_* definitions, which I
consider a bug in Clang and am working on fixing.

Masahiro summarizes the subtle distinction between compilers justly:
  To prevent transformation from foo() into bar(), there are two ways in
  Clang to do that; -fno-builtin-foo, and -fno-builtin-bar.  There is
  only one in GCC; -fno-buitin-foo.

(Any difference in that behavior in Clang is likely a bug from a missing
__builtin_* definition.)

Masahiro also notes:
  We want to disable optimization from foo() to bar(),
  but we may still benefit from the optimization from
  foo() into something else. If GCC implements the same transform, we
  would run into a problem because it is not -fno-builtin-bar, but
  -fno-builtin-foo that disables that optimization.

  In this regard, -fno-builtin-foo would be more future-proof than
  -fno-built-bar, but -fno-builtin-foo is still potentially overkill. We
  may want to prevent calls from foo() being optimized into calls to
  bar(), but we still may want other optimization on calls to foo().

It seems that compilers today don't quite provide the fine grain control
over which libcall optimizations pseudo-freestanding environments would
prefer.

Finally, Kees notes that this interface is unsafe, so we should not
encourage its use.  As such, I've removed the declaration from any
header, but it still needs to be exported to avoid linkage errors in
modules.

Reported-by: Sami Tolvanen <samitolvanen@google.com>
Suggested-by: Andy Lavr <andy.lavr@gmail.com>
Suggested-by: Arvind Sankar <nivedita@alum.mit.edu>
Suggested-by: Joe Perches <joe@perches.com>
Suggested-by: Kees Cook <keescook@chromium.org>
Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20200914161643.938408-1-ndesaulniers@google.com
Link: https://bugs.llvm.org/show_bug.cgi?id=47162
Link: https://bugs.llvm.org/show_bug.cgi?id=47280
Link: https://github.com/ClangBuiltLinux/linux/issues/1126
Link: https://man7.org/linux/man-pages/man3/stpcpy.3.html
Link: https://pubs.opengroup.org/onlinepubs/9699919799/functions/stpcpy.html
Link: https://reviews.llvm.org/D85963
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-01 13:14:25 +02:00
..
842 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fonts lib/fonts: convert comments to utf-8 2018-08-23 18:48:43 -07:00
lz4 lib/lz4: make arrays static const, reduces object code size 2017-10-03 17:54:25 -07:00
lzo License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpi lib/mpi: Fix 64-bit MIPS build with Clang 2020-06-22 09:05:14 +02:00
raid6 lib/raid6: use vdupq_n_u8 to avoid endianness warnings 2020-04-23 10:30:15 +02:00
reed_solomon rslib: Fix handling of of caller provided syndrome 2019-07-26 09:14:12 +02:00
xz lib/xz: Put CRC32_POLY_LE in xz_private.h 2018-10-02 08:44:59 +10:00
zlib_deflate
zlib_inflate lib/zlib: remove outdated and incorrect pre-increment optimization 2020-06-25 15:33:02 +02:00
zstd lib: zstd: clean up Makefile for simpler composite object handling 2018-03-26 02:01:27 +09:00
.gitignore lib: add crc64 calculation routines 2018-08-22 10:52:48 -07:00
argv_split.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
ashldi3.c move libgcc.h to include/linux 2017-12-01 13:09:40 -08:00
ashrdi3.c move libgcc.h to include/linux 2017-12-01 13:09:40 -08:00
asn1_decoder.c ASN.1: check for error from ASN1_OP_END__ACT actions 2017-12-08 15:13:27 +00:00
assoc_array.c assoc_array: Fix shortcut creation 2019-03-23 20:09:48 +01:00
atomic64.c atomics/generic: Define atomic64_fetch_add_unless() 2018-06-21 14:25:21 +02:00
atomic64_test.c lib/atomic64_test.c: add a test that atomic64_inc_not_zero() returns an int 2017-07-14 15:05:13 -07:00
audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bcd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bch.c lib/bch: fix possible stack overrun 2018-10-12 09:17:46 +02:00
bitmap.c lib/bitmap.c: fix remaining space computation in bitmap_print_to_pagebuf 2019-12-01 09:17:08 +01:00
bitrev.c
bsearch.c kprobes: Prohibit probing on bsearch() 2019-04-05 22:33:08 +02:00
btree.c btree: avoid variable-length allocations 2018-03-14 16:55:29 -07:00
bucket_locks.c ila: make lockdep happy again 2018-08-16 12:14:42 -07:00
bug.c lib/bug.c: exclude non-BUG/WARN exceptions from report_bug() 2018-03-09 16:40:01 -08:00
build_OID_registry
bust_spinlocks.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
chacha20.c crypto: chacha20 - Fix chacha20_block() keystream alignment (again) 2019-11-20 18:47:11 +01:00
check_signature.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
checksum.c
clz_ctz.c
clz_tab.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cmdline.c lib/cmdline.c: remove meaningless comment 2017-09-08 18:26:49 -07:00
cmpdi2.c move libgcc.h to include/linux 2017-12-01 13:09:40 -08:00
compat_audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cordic.c
cpu_rmap.c
cpumask.c lib: optimize cpumask_next_and() 2018-02-06 18:32:44 -08:00
crc-ccitt.c lib/crc-ccitt: Add CCITT-FALSE CRC16 variant 2018-01-08 10:08:33 +00:00
crc-itu-t.c
crc-t10dif.c
crc4.c docs: clean up and add rest of CRC functions to kernel-api.rst 2017-09-26 15:01:20 -06:00
crc7.c
crc8.c docs: clean up and add rest of CRC functions to kernel-api.rst 2017-09-26 15:01:20 -06:00
crc16.c
crc32.c lib/crc: Use consistent naming for CRC-32 polynomials 2018-07-27 19:04:33 +08:00
crc32defs.h lib/crc: Move polynomial definition to separate header 2018-07-27 19:04:33 +08:00
crc32test.c lib: add module support to crc32 tests 2017-02-24 17:46:57 -08:00
crc64.c lib: add crc64 calculation routines 2018-08-22 10:52:48 -07:00
ctype.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debug_info.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debug_locks.c locking/lockdep: Fix debug_locks off performance problem 2018-11-13 11:08:20 -08:00
debugobjects.c debugobjects: avoid recursive calls with kmemleak 2018-12-17 09:24:41 +01:00
dec_and_lock.c atomic: Add irqsave variant of atomic_dec_and_lock() 2018-06-12 23:33:24 +02:00
decompress.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
decompress_bunzip2.c lib: Use existing define with polynomial 2018-07-27 19:16:38 +08:00
decompress_inflate.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
decompress_unlz4.c lib/decompress_unlz4: change module to work with new LZ4 module version 2017-02-24 17:46:57 -08:00
decompress_unlzma.c
decompress_unlzo.c
decompress_unxz.c
devres.c lib: devres: add a helper function for ioremap_uc 2020-05-10 10:30:11 +02:00
digsig.c lib/digsig: fix dereference of NULL user_key_payload 2017-10-12 17:16:40 +01:00
div64.c lib/div64.c: off by one in shift 2019-04-20 09:16:05 +02:00
dump_stack.c dump_stack: avoid the livelock of the dump_lock 2019-11-12 19:20:37 +01:00
dynamic_debug.c dyndbg: fix a BUG_ON in ddebug_describe_flags 2020-08-19 08:14:53 +02:00
dynamic_queue_limits.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-11-15 11:56:19 -08:00
earlycpio.c
error-inject.c error-injection: Add injectable error types 2018-01-12 17:33:38 -08:00
errseq.c errseq: Always report a writeback error once 2018-04-27 08:51:26 -04:00
extable.c lib/extable.c: use bsearch() library function in search_extable() 2017-07-10 16:32:35 -07:00
fault-inject.c fault-inject: fix wrong should_fail() decision in task context 2017-08-10 15:54:06 -07:00
fdt.c
fdt_empty_tree.c
fdt_ro.c
fdt_rw.c
fdt_strerror.c
fdt_sw.c
fdt_wip.c
find_bit.c uapi: rename ext2_swab() to swab() and share globally in swab.h 2020-04-17 10:48:43 +02:00
find_bit_benchmark.c lib/find_bit_benchmark.c: avoid soft lockup in test_find_first_bit() 2018-05-11 17:28:45 -07:00
flex_array.c
flex_proportions.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gcd.c lib/gcd: add kernel-doc notation 2017-10-07 10:45:14 -06:00
gen_crc32table.c lib/crc: Use consistent naming for CRC-32 polynomials 2018-07-27 19:04:33 +08:00
gen_crc64table.c lib: add crc64 calculation routines 2018-08-22 10:52:48 -07:00
genalloc.c lib/genalloc.c: include vmalloc.h 2019-12-05 09:21:05 +01:00
glob.c lib: add module support to glob tests 2017-02-24 17:46:57 -08:00
globtest.c lib: add module support to glob tests 2017-02-24 17:46:57 -08:00
hexdump.c lib/hexdump.c: return -EINVAL in case of error in hex2bin() 2017-09-08 18:26:49 -07:00
hweight.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idr.c idr: Fix idr_get_next_ul race with idr_remove 2019-12-17 20:36:02 +01:00
inflate.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
int_sqrt.c fix int_sqrt64() for very large numbers 2019-01-22 21:40:34 +01:00
interval_tree.c
interval_tree_test.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
iomap.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iomap_copy.c
iommu-helper.c iommu-helper: mark iommu_is_span_boundary as inline 2018-05-09 06:55:44 +02:00
ioremap.c ioremap: Update pgtable free interfaces with addr 2018-07-04 21:37:08 +02:00
iov_iter.c iov_iter: optimize page_copy_sane() 2019-05-22 07:37:45 +02:00
irq_poll.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq_regs.c
is_single_threaded.c sched/headers: Prepare to move 'init_task' and 'init_thread_union' from <linux/sched.h> to <linux/sched/task.h> 2017-03-02 08:42:38 +01:00
jedec_ddr_data.c
kasprintf.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig lib/Kconfig: remove 'default n' for tests 2018-08-22 10:52:48 -07:00
Kconfig.debug kmemleak: increase DEBUG_KMEMLEAK_EARLY_LOG_SIZE default to 16K 2019-10-07 18:57:17 +02:00
Kconfig.kasan kasan: only select SLUB_DEBUG with SYSFS=y 2018-07-26 19:38:03 -07:00
Kconfig.kgdb lib: update location of kgdb documentation 2017-05-16 08:44:22 -03:00
Kconfig.ubsan lib/ubsan: remove null-pointer checks 2018-08-10 20:19:58 -07:00
kfifo.c Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()" 2020-01-27 14:51:08 +01:00
klist.c scsi: klist: Make it safe to use klists in atomic context 2018-07-02 16:20:23 -04:00
kobject.c Driver core patches for 4.19-rc1 2018-08-18 11:44:53 -07:00
kobject_uevent.c kobject: Don't trigger kobject_uevent(KOBJ_REMOVE) twice. 2019-05-31 06:46:28 -07:00
kstrtox.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kstrtox.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lcm.c
libcrc32c.c libcrc32c: Add crc32c_impl function 2018-03-26 15:09:38 +02:00
list_debug.c lib/list_debug.c: print unmangled addresses 2018-04-11 10:28:35 -07:00
list_sort.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
llist.c locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns to READ_ONCE()/WRITE_ONCE() 2017-10-25 11:01:08 +02:00
locking-selftest-hardirq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-mutex.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-rlock-hardirq.h
locking-selftest-rlock-softirq.h
locking-selftest-rlock.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-rsem.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-rtmutex.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-softirq.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-spin-hardirq.h
locking-selftest-spin-softirq.h
locking-selftest-spin.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-wlock-hardirq.h
locking-selftest-wlock-softirq.h
locking-selftest-wlock.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest-wsem.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
locking-selftest.c locking: Implement an algorithm choice for Wound-Wait mutexes 2018-07-03 09:44:36 +02:00
lockref.c lockref: Add lockref_put_not_zero 2018-04-12 09:41:19 -07:00
logic_pio.c lib: logic_pio: Add logic_pio_unregister_range() 2019-09-06 10:22:19 +02:00
lru_cache.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
lshrdi3.c move libgcc.h to include/linux 2017-12-01 13:09:40 -08:00
Makefile ubsan: build ubsan.c more conservatively 2020-05-27 17:37:27 +02:00
memory-notifier-error-inject.c
memweight.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
muldi3.c move libgcc.h to include/linux 2017-12-01 13:09:40 -08:00
net_utils.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
netdev-notifier-error-inject.c
nlattr.c netlink: Return extack message if attribute validation fails 2018-06-28 16:18:04 +09:00
nmi_backtrace.c printk/nmi: Prevent deadlock when accessing the main log buffer in NMI 2018-07-09 14:10:40 +02:00
nodemask.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
notifier-error-inject.c
notifier-error-inject.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
of-reconfig-notifier-error-inject.c
oid_registry.c 509: fix printing uninitialized stack memory when OID is empty 2017-12-08 15:13:28 +00:00
once.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
parman.c lib: Introduce priority array area manager 2017-02-03 16:35:42 -05:00
parser.c parser: add u64 number parser 2016-12-06 10:17:03 +02:00
pci_iomap.c PCI: Add SPDX GPL-2.0 when no license was specified 2018-01-26 11:45:16 -06:00
percpu-refcount.c percpu_ref: Update doc to dissuade users from depending on internal RCU grace periods 2018-03-19 10:09:44 -07:00
percpu_counter.c notifier: Remove notifier header file wherever not used 2018-08-30 12:56:40 +02:00
percpu_test.c
plist.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h> 2017-03-02 08:42:27 +01:00
pm-notifier-error-inject.c
prime_numbers.c lib/prime_numbers: Suppress warn on kmalloc failure 2017-01-23 09:17:12 +01:00
radix-tree.c idr: Fix idr_alloc_u32 on 32-bit systems 2019-12-05 09:19:40 +01:00
random32.c random32: remove net_rand_state from the latent entropy gcc plugin 2020-08-07 09:36:20 +02:00
ratelimit.c lib/ratelimit.c: use deferred printk() version 2017-10-03 17:54:26 -07:00
rational.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rbtree.c lib/rbtree,drm/mm: add rbtree_replace_node_cached() 2017-12-14 16:00:48 -08:00
rbtree_test.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
reciprocal_div.c lib: reciprocal_div: implement the improved algorithm on the paper mentioned 2018-07-07 01:45:31 +02:00
refcount.c Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
rhashtable.c rhashtable: Still do rehash when we get EEXIST 2019-04-03 06:26:17 +02:00
sbitmap.c sbitmap: fix improper use of smp_mb__before_atomic() 2019-05-31 06:46:00 -07:00
scatterlist.c lib/scatterlist.c: adjust indentation in __sg_alloc_table 2020-02-24 08:34:52 +01:00
seq_buf.c seq_buf: Make seq_buf_puts() null-terminate the buffer 2019-02-12 19:47:16 +01:00
sg_pool.c
sg_split.c
sha1.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sha256.c kernel/kexec_file.c: move purgatories sha256 to common code 2018-04-13 17:10:28 -07:00
show_mem.c lib/show_mem.c: teach show_mem to work with the given nodemask 2017-02-22 16:41:30 -08:00
siphash.c siphash: implement HalfSipHash1-3 for hash tables 2017-01-09 13:58:57 -05:00
smp_processor_id.c lib: do not use print_symbol() 2018-01-05 15:24:00 +01:00
sort.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stackdepot.c lib/stackdepot.c: fix global out-of-bounds in stack_slabs 2020-02-28 16:38:55 +01:00
stmp_device.c
string.c lib/string.c: implement stpcpy 2020-10-01 13:14:25 +02:00
string_helpers.c mm: treewide: remove GFP_TEMPORARY allocation flag 2017-09-13 18:53:16 -07:00
strncpy_from_user.c lib: Reduce user_access_begin() boundaries in strncpy_from_user() and strnlen_user() 2020-06-22 09:04:59 +02:00
strnlen_user.c lib: Reduce user_access_begin() boundaries in strncpy_from_user() and strnlen_user() 2020-06-22 09:04:59 +02:00
syscall.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
test-kstrtox.c
test-string_helpers.c
test_bitfield.c bitfield: add tests 2018-06-27 18:58:49 +03:00
test_bitmap.c lib/test_bitmap.c: fix bitmap optimisation tests to report errors correctly 2018-05-18 17:17:12 -07:00
test_bpf.c test_bpf: flag tests that cannot be jited on s390 2018-06-28 23:58:39 +02:00
test_debug_virtual.c lib: fix build failure in CONFIG_DEBUG_VIRTUAL test 2019-01-13 09:51:10 +01:00
test_firmware.c test_firmware: fix a memory leak bug 2019-08-16 10:12:49 +02:00
test_hash.c lib/test_hash.c: fix warning in preprocessor symbol evaluation 2016-09-01 17:52:01 -07:00
test_hexdump.c test_hexdump: use memcpy instead of strncpy 2018-12-08 12:59:06 +01:00
test_ida.c test_ida: Fix lockdep warning 2018-10-15 16:31:29 -04:00
test_kasan.c lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more() 2020-02-11 04:33:57 -08:00
test_kmod.c test_kmod: avoid potential double free in trigger_config_run_type() 2020-08-21 11:05:38 +02:00
test_list_sort.c lib/test: delete five error messages for failed memory allocations 2017-11-17 16:10:01 -08:00
test_module.c
test_overflow.c lib/test_overflow.c: avoid tainting the kernel and fix wrap size 2019-08-06 19:06:51 +02:00
test_parman.c lib: fix spelling mistake: "actualy" -> "actually" 2017-02-26 11:03:38 -05:00
test_printf.c Revert "lib/test_printf.c: call wait_for_random_bytes() before plain %p tests" 2018-06-25 13:44:20 +02:00
test_rhashtable.c lib/test_rhashtable: Make test_insert_dup() allocate its hash table dynamically 2019-02-12 19:47:21 +01:00
test_siphash.c siphash: implement HalfSipHash1-3 for hash tables 2017-01-09 13:58:57 -05:00
test_sort.c lib/test_sort.c: add module unload support 2018-02-06 18:32:45 -08:00
test_static_key_base.c
test_static_keys.c
test_string.c lib/test_string.c: avoid masking memset16/32/64 failures 2019-08-06 19:06:51 +02:00
test_sysctl.c test_sysctl: test against int proc_dointvec() array support 2017-07-12 16:26:00 -07:00
test_ubsan.c lib/test_ubsan.c: make test_ubsan_misaligned_access() static 2018-04-11 10:28:35 -07:00
test_user_copy.c treewide: simplify Kconfig dependencies for removed archs 2018-03-26 15:55:57 +02:00
test_uuid.c uuid: fix incorrect uuid_equal conversion in test_uuid_test 2017-07-21 09:38:30 +02:00
textsearch.c lib: textsearch: fix escapes in example code 2019-10-29 09:19:35 +01:00
timerqueue.c timerqueue: Document return values of timerqueue_add/del() 2017-12-29 23:13:10 +01:00
ts_bm.c
ts_fsm.c textsearch: fix typos in library helpers 2017-10-22 03:14:07 +01:00
ts_kmp.c textsearch: fix typos in library helpers 2017-10-22 03:14:07 +01:00
ubsan.c ubsan: Fix nasty -Wbuiltin-declaration-mismatch GCC-9 warnings 2019-05-10 17:54:04 +02:00
ubsan.h lib/ubsan: remove returns-nonnull-attribute checks 2018-02-06 18:32:46 -08:00
ucmpdi2.c Add notrace to lib/ucmpdi2.c 2018-04-23 16:39:35 +01:00
ucs2_string.c lib/ucs2_string.c: add MODULE_LICENSE() 2018-06-07 17:34:39 -07:00
usercopy.c Fix misannotated out-of-line _copy_to_user() 2017-12-11 09:35:11 -05:00
uuid.c Documentation: add UUID/GUID to kernel-api 2017-12-11 15:03:08 -07:00
vsprintf.c vsprintf: Fix off-by-one bug in bstr_printf() processing dereferenced pointers 2018-10-05 10:17:15 -04:00
win_minmax.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xxhash.c lib: Add xxhash module 2017-08-15 09:02:07 -07:00