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08d45ee84bb2650e237e150caca87cc4ded9b3e2
linux/lib
History
Kees Cook 08d45ee84b overflow: Introduce wrapping_assign_add() and wrapping_assign_sub() 
This allows replacements of the idioms "var += offset" and "var -=
offset" with the wrapping_assign_add() and wrapping_assign_sub() helpers
respectively. They will avoid wrap-around sanitizer instrumentation.

Add to the selftests to validate behavior and lack of side-effects.

Reviewed-by: Marco Elver <elver@google.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
2024-02-29 13:38:01 -08:00
..
842
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crypto
crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init
2023-12-22 12:30:19 +08:00
dim
linux/dim: Do nothing if no time delta between samples
2023-05-09 11:06:45 +02:00
fonts
powerpc: Use shared font data
2023-10-01 23:09:02 +11:00
kunit
kunit: Fix some comments which were mistakenly kerneldoc
2024-01-03 09:10:37 -07:00
livepatch
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lz4
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lzo
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math
lib/math/int_log: Replace LGPL-2.1-or-later boilerplate with SPDX identifier
2023-07-09 22:47:50 +01:00
pldmfw
lib: remove MODULE_LICENSE in non-modules
2023-04-13 13:13:53 -07:00
raid6
s390/fpu: get rid of MACHINE_HAS_VX
2023-12-11 14:33:07 +01:00
reed_solomon
…
test_fortify
string: Remove strlcpy()
2024-01-19 11:59:11 -08:00
vdso
vdso: Improve cmd_vdso_check to check all dynamic relocations
2023-03-21 21:15:34 +01:00
xz
arch: Remove Itanium (IA-64) architecture
2023-09-11 08:13:17 +00:00
zlib_deflate
lib/zlib: DFLTCC deflate does not write all available bits for Z_NO_FLUSH
2023-02-27 17:00:14 -08:00
zlib_dfltcc
lib/zlib: remove redundation assignement of avail_in dfltcc_gdht()
2023-02-02 22:50:10 -08:00
zlib_inflate
lib/zlib: Split deflate and inflate states for DFLTCC
2023-02-02 22:50:09 -08:00
zstd
zstd: Fix array-index-out-of-bounds UBSAN warning
2023-11-14 17:12:52 -08:00
.gitignore
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argv_split.c
argv_split: fix kernel-doc warnings
2023-09-19 13:21:33 -07:00
ashldi3.c
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ashrdi3.c
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asn1_decoder.c
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asn1_encoder.c
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assoc_array.c
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atomic64_test.c
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atomic64.c
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audit.c
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base64.c
…
bcd.c
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bch.c
lib/bch.c: use bitrev instead of internal logic
2023-08-18 10:18:58 -07:00
bitfield_kunit.c
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bitmap-str.c
lib/bitmap: split-out string-related operations to a separate files
2023-10-14 20:25:22 -07:00
bitmap.c
bitmap: move bitmap_*_region() functions to bitmap.h
2023-10-16 16:14:45 -07:00
bitrev.c
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bootconfig-data.S
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bootconfig.c
…
bsearch.c
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btree.c
btree: remove MODULE_LICENSE in non-modules
2023-04-13 13:13:54 -07:00
bucket_locks.c
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bug.c
cpuidle: lib/bug: Disable rcu_is_watching() during WARN/BUG
2023-01-31 15:01:45 +01:00
build_OID_registry
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buildid.c
ELF: fix all "Elf" typos
2023-04-08 13:45:37 -07:00
bust_spinlocks.c
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check_signature.c
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checksum_kunit.c
lib: checksum: Fix build with CONFIG_NET=n
2024-01-19 08:12:38 -08:00
checksum.c
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closure.c
closures: CLOSURE_CALLBACK() to fix type punning
2023-11-24 00:29:58 -05:00
clz_ctz.c
lib/clz_ctz.c: Fix __clzdi2() and __ctzdi2() for 32-bit kernels
2023-08-25 13:22:10 -07:00
clz_tab.c
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cmdline_kunit.c
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cmdline.c
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cmpdi2.c
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compat_audit.c
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cpu_rmap.c
lib: cpu_rmap: Fix potential use-after-free in irq_cpu_rmap_release()
2023-06-07 21:25:00 -07:00
cpumask_kunit.c
cpumask: re-introduce constant-sized cpumask optimizations
2023-03-05 14:30:34 -08:00
cpumask.c
Merge tag 'bitmap-for-6.7' of https://github.com/norov/linux
2023-11-03 07:08:36 -10:00
crc4.c
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crc7.c
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crc8.c
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crc16.c
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crc32.c
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crc32defs.h
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crc32test.c
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crc64-rocksoft.c
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crc64.c
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crc-ccitt.c
lib: crc_ccitt_false() is identical to crc_itu_t()
2023-12-29 12:22:26 -08:00
crc-itu-t.c
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crc-t10dif.c
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ctype.c
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debug_info.c
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debug_locks.c
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debugobjects.c
debugobjects: Stop accessing objects after releasing hash bucket lock
2023-11-22 10:41:46 +01:00
dec_and_lock.c
perf: Fix perf_event_pmu_context serialization
2023-01-31 20:37:18 +01:00
decompress_bunzip2.c
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decompress_inflate.c
decompressor: provide missing prototypes
2023-06-09 17:44:17 -07:00
decompress_unlz4.c
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decompress_unlzma.c
…
decompress_unlzo.c
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decompress_unxz.c
arch: Remove Itanium (IA-64) architecture
2023-09-11 08:13:17 +00:00
decompress_unzstd.c
decompressor: provide missing prototypes
2023-06-09 17:44:17 -07:00
decompress.c
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devmem_is_allowed.c
lib: devmem_is_allowed: include linux/io.h
2023-06-09 17:44:15 -07:00
devres.c
devres: show which resource was invalid in __devm_ioremap_resource()
2023-06-23 17:04:04 -07:00
dhry_1.c
lib: dhry: fix sleeping allocations inside non-preemptable section
2023-07-08 09:29:32 -07:00
dhry_2.c
lib: add Dhrystone benchmark test
2023-02-02 22:50:01 -08:00
dhry_run.c
lib: dhry: fix unstable smp_processor_id(_) usage
2023-03-23 17:18:35 -07:00
dhry.h
lib: add Dhrystone benchmark test
2023-02-02 22:50:01 -08:00
digsig.c
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dump_stack.c
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dynamic_debug.c
dyndbg: add source filename to prefix
2023-08-04 15:28:41 +02:00
dynamic_queue_limits.c
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earlycpio.c
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errname.c
parisc: Drop the HP-UX ENOSYM and EREMOTERELEASE error codes
2023-11-25 09:43:18 +01:00
error-inject.c
lib: error-inject: remove error checking for debugfs_create_dir()
2023-08-18 10:18:55 -07:00
errseq.c
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extable.c
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fault-inject-usercopy.c
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fault-inject.c
fault-inject: allow configuration via configfs
2023-04-13 07:38:54 -06:00
fdt_addresses.c
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fdt_empty_tree.c
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fdt_ro.c
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fdt_rw.c
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fdt_strerror.c
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fdt_sw.c
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fdt_wip.c
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fdt.c
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find_bit_benchmark.c
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find_bit.c
cpumask: introduce for_each_cpu_or
2023-03-19 10:02:04 -07:00
flex_proportions.c
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fortify_kunit.c
fortify: test: Use kunit_device
2023-12-18 13:28:08 -07:00
fw_table.c
Merge tag 'cxl-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
2024-01-18 16:22:43 -08:00
gen_crc32table.c
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gen_crc64table.c
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genalloc.c
Merge tag 'devicetree-header-cleanups-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2023-08-30 17:04:28 -07:00
generic-radix-tree.c
lib/generic-radix-tree.c: Add peek_prev()
2023-10-19 14:47:33 -04:00
glob.c
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globtest.c
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group_cpus.c
lib/group_cpus.c: avoid acquiring cpu hotplug lock in group_cpus_evenly
2023-12-06 16:12:46 -08:00
hashtable_test.c
lib/hashtable_test.c: add test for the hashtable structure
2023-02-08 14:28:17 -07:00
hexdump.c
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hweight.c
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idr.c
ida: Fix crash in ida_free when the bitmap is empty
2023-12-21 10:02:28 -08:00
inflate.c
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interval_tree_test.c
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interval_tree.c
interval-tree: Add a utility to iterate over spans in an interval tree
2022-11-29 16:34:15 -04:00
iomap_copy.c
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iomap.c
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iommu-helper.c
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iov_iter.c
Merge tag 'vfs-6.8.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
2024-01-08 11:43:04 -08:00
irq_poll.c
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irq_regs.c
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is_signed_type_kunit.c
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is_single_threaded.c
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kasprintf.c
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Kconfig
lib/stackdepot: use fixed-sized slots for stack records
2023-12-10 16:51:44 -08:00
Kconfig.debug
Merge tag 'riscv-for-linus-6.8-mw4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2024-01-20 11:06:04 -08:00
Kconfig.kasan
Merge tag 'mm-stable-2024-01-08-15-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-01-09 11:18:47 -08:00
Kconfig.kcsan
Merge tag 'kcsan.2023.02.24a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
2023-02-25 13:02:20 -08:00
Kconfig.kfence
mm/slab: remove CONFIG_SLAB from all Kconfig and Makefile
2023-12-05 11:14:40 +01:00
Kconfig.kgdb
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Kconfig.kmsan
mm/slab: remove CONFIG_SLAB from all Kconfig and Makefile
2023-12-05 11:14:40 +01:00
Kconfig.ubsan
ubsan: Reintroduce signed overflow sanitizer
2024-02-20 20:44:49 -08:00
kfifo.c
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klist.c
…
kobject_uevent.c
kobject: Replace strlcpy with strscpy
2023-09-22 09:50:56 -07:00
kobject.c
kobject: Remove redundant checks for whether ktype is NULL
2023-08-19 19:37:53 +02:00
kstrtox.c
kstrtox: consistently use _tolower()
2023-08-21 13:46:25 -07:00
kstrtox.h
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kunit_iov_iter.c
iov_iter: Kunit tests for page extraction
2023-09-09 15:11:49 -07:00
libcrc32c.c
libcrc32c: remove crc32c_impl
2023-04-17 18:01:23 +02:00
linear_ranges.c
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list_debug.c
list: Introduce CONFIG_LIST_HARDENED
2023-08-15 14:57:25 -07:00
list_sort.c
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list-test.c
list: test: Test the klist structure
2023-03-31 09:21:35 -06:00
llist.c
llist: add llist_del_first_this()
2023-10-16 12:44:06 -04:00
locking-selftest-hardirq.h
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locking-selftest-mutex.h
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locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
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locking-selftest-rlock.h
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locking-selftest-rsem.h
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locking-selftest-rtmutex.h
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locking-selftest-softirq.h
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locking-selftest-spin-hardirq.h
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locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
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locking-selftest-wlock-hardirq.h
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locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
…
locking-selftest-wsem.h
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locking-selftest.c
lockdep/selftests: Use SBRM APIs for wait context tests
2023-07-26 12:29:13 +02:00
lockref.c
lockref: stop doing cpu_relax in the cmpxchg loop
2023-01-13 14:35:38 -06:00
logic_iomem.c
…
logic_pio.c
minmax: add in_range() macro
2023-08-24 16:20:18 -07:00
lru_cache.c
…
lshrdi3.c
…
lwq.c
lib: add light-weight queuing mechanism.
2023-10-16 12:44:06 -04:00
Makefile
ubsan: Silence W=1 warnings in self-test
2024-02-06 02:21:38 -08:00
maple_tree.c
maple_tree: avoid checking other gaps after getting the largest gap
2023-12-20 14:48:14 -08:00
memcat_p.c
…
memcpy_kunit.c
kunit: memcpy: Mark tests as slow using test attributes
2023-07-26 13:29:28 -06:00
memory-notifier-error-inject.c
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memregion.c
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memweight.c
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muldi3.c
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net_utils.c
mac_pton: Clean up the header inclusions
2023-06-06 13:18:32 +02:00
netdev-notifier-error-inject.c
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nlattr.c
string: Remove strlcpy()
2024-01-19 11:59:11 -08:00
nmi_backtrace.c
nmi_backtrace: allow excluding an arbitrary CPU
2023-08-18 10:19:00 -07:00
notifier-error-inject.c
lib: remove error checking for debugfs_create_dir()
2023-08-18 10:18:55 -07:00
notifier-error-inject.h
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objagg.c
…
objpool.c
lib: objpool: fix head overrun on RK3588 SBC
2023-12-01 14:53:55 +09:00
of-reconfig-notifier-error-inject.c
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oid_registry.c
…
once.c
…
overflow_kunit.c
overflow: Introduce wrapping_assign_add() and wrapping_assign_sub()
2024-02-29 13:38:01 -08:00
packing.c
lib: packing: remove MODULE_LICENSE in non-modules
2023-03-09 23:08:04 -08:00
parman.c
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parser.c
lib: parser: update documentation for match_NUMBER functions
2023-03-02 21:54:22 -08:00
pci_iomap.c
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percpu_counter.c
percpu_counter: extend _limited_add() to negative amounts
2023-10-18 14:34:14 -07:00
percpu_test.c
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percpu-refcount.c
percpu-refcount: Use call_rcu_hurry() for atomic switch
2022-11-30 13:16:40 -08:00
plist.c
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pm-notifier-error-inject.c
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polynomial.c
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radix-tree.c
radix tree: remove unused variable
2023-08-21 13:07:22 -07:00
radix-tree.h
radix-tree: move declarations to header
2023-06-12 11:31:50 -07:00
random32.c
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ratelimit.c
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rbtree_test.c
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rbtree.c
lib/rbtree: use '+' instead of '|' for setting color.
2023-04-18 16:39:33 -07:00
rcuref.c
locking/atomics: Use atomic_try_cmpxchg_release() to micro-optimize rcuref_put_slowpath()
2023-10-10 10:14:27 +02:00
ref_tracker.c
lib/ref_tracker: remove warnings in case of allocation failure
2023-06-05 15:28:42 -07:00
refcount.c
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rhashtable.c
rhashtable: Allow rhashtable to be used from irq-safe contexts
2022-12-09 10:42:56 +00:00
sbitmap.c
sbitmap: remove stale comment in sbq_calc_wake_batch
2024-01-15 07:23:50 -07:00
scatterlist.c
scatterlist: add missing function params to kernel-doc
2023-09-19 13:21:33 -07:00
seq_buf.c
seq_buf: Export seq_buf_puts()
2023-11-02 00:19:44 -04:00
sg_pool.c
…
sg_split.c
…
siphash_kunit.c
…
siphash.c
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slub_kunit.c
Merge tag 'linux-kselftest-kunit-next-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
2022-12-12 16:42:57 -08:00
smp_processor_id.c
…
sort.c
…
stackdepot.c
lib/stackdepot: add printk_deferred_enter/exit guards
2023-12-29 11:58:41 -08:00
stackinit_kunit.c
kernel/range: Uplevel the cxl subsystem's range_contains() helper
2023-02-10 17:32:37 -08:00
stmp_device.c
…
strcat_kunit.c
string: Add Kunit tests for strcat() family
2023-05-16 14:08:02 -07:00
string_helpers.c
string: Redefine strscpy_pad() as a macro
2024-02-20 20:47:31 -08:00
string.c
string: Allow 2-argument strscpy()
2024-02-20 20:47:32 -08:00
strncpy_from_user.c
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strnlen_user.c
…
strscpy_kunit.c
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syscall.c
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test_bitmap.c
bitmap: add test for bitmap_*_region() functions
2023-10-14 20:25:22 -07:00
test_bitops.c
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test_bits.c
…
test_blackhole_dev.c
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test_bpf.c
test_bpf: Rename second ALU64_SMOD_X to ALU64_SMOD_K
2023-12-09 21:27:54 -08:00
test_debug_virtual.c
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test_dynamic_debug.c
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test_firmware.c
firmware_loader: Expand Firmware upload error codes with firmware invalid error
2023-11-24 18:09:19 -08:00
test_fprobe.c
fprobe: Pass return address to the handlers
2023-06-06 21:39:55 +09:00
test_fpu.c
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test_free_pages.c
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test_hash.c
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test_hexdump.c
…
test_hmm_uapi.h
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test_hmm.c
lib: replace kmap() with kmap_local_page()
2023-08-18 10:18:50 -07:00
test_ida.c
Merge tag 'mm-nonmm-stable-2024-01-09-10-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-01-09 11:46:20 -08:00
test_kmod.c
test_kmod: stop kernel-doc warnings
2023-01-25 14:07:21 -08:00
test_kprobes.c
test_kprobes: Add recursed kprobe test case
2023-02-21 08:52:42 +09:00
test_linear_ranges.c
…
test_list_sort.c
…
test_lockup.c
…
test_maple_tree.c
maple_tree: don't find node end in mtree_lookup_walk()
2023-12-12 10:56:59 -08:00
test_memcat_p.c
…
test_meminit.c
mm, treewide: introduce NR_PAGE_ORDERS
2024-01-08 15:27:15 -08:00
test_min_heap.c
…
test_module.c
…
test_objagg.c
…
test_objpool.c
lib: test_objpool: make global variables static
2023-11-10 19:59:04 +09:00
test_parman.c
…
test_printf.c
lib/vsprintf: declare no_hash_pointers in sprintf.h
2023-08-21 13:46:24 -07:00
test_ref_tracker.c
lib/ref_tracker: improve printing stats
2023-06-05 15:28:42 -07:00
test_rhashtable.c
Kill sched.h dependency on rcupdate.h
2023-12-27 11:50:20 -05:00
test_scanf.c
lib: test_scanf: Add explicit type cast to result initialization in test_number_prefix()
2023-08-16 11:47:29 +02:00
test_sort.c
…
test_static_key_base.c
…
test_static_keys.c
…
test_string.c
…
test_sysctl.c
sysctl: Remove the now superfluous sentinel elements from ctl_table array
2023-12-28 04:57:57 -08:00
test_ubsan.c
ubsan: Reintroduce signed overflow sanitizer
2024-02-20 20:44:49 -08:00
test_user_copy.c
…
test_uuid.c
…
test_vmalloc.c
lib/test_vmalloc.c: avoid garbage in page array
2023-06-12 11:31:51 -07:00
test_xarray.c
…
test-kstrtox.c
…
test-string_helpers.c
lib/test-string_helpers: replace UNESCAPE_ANY by UNESCAPE_ALL_MASK
2023-04-08 13:45:39 -07:00
textsearch.c
…
timerqueue.c
…
trace_readwrite.c
lib/trace_readwrite.c:: replace asm-generic/io with linux/io
2023-12-29 12:22:29 -08:00
ts_bm.c
lib/ts_bm: add helper to reduce indentation and improve readability
2023-07-27 13:45:51 +02:00
ts_fsm.c
…
ts_kmp.c
…
ubsan.c
ubsan: Reintroduce signed overflow sanitizer
2024-02-20 20:44:49 -08:00
ubsan.h
ubsan: Reintroduce signed overflow sanitizer
2024-02-20 20:44:49 -08:00
ucmpdi2.c
…
ucs2_string.c
lib/ucs2_string: Add UCS-2 strscpy function
2023-09-13 10:18:42 -07:00
usercopy.c
uaccess: Add speculation barrier to copy_from_user()
2023-02-21 14:45:22 -08:00
uuid.c
…
vsprintf.c
lib/vsprintf: Fix %pfwf when current node refcount == 0
2023-12-06 11:06:59 +01:00
win_minmax.c
lib/win_minmax: use /* notation for regular comments
2023-01-11 16:14:21 -08:00
xarray.c
xarray: Document necessary flag in alloc functions
2023-09-05 19:01:38 -04:00
xxhash.c
…