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079a028d6327e68cfa5d38b36123637b321c19a7
linux-stable-mirror/lib
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Kees Cook 079a028d63 string: Remove strncpy() from the kernel 
strncpy() has been a persistent source of bugs due to its ambiguous
intended usage and frequently counter-intuitive semantics: it may not
NUL-terminate the destination, and it unconditionally zero-pads to the
full length, which isn't always needed. All former callers have been
migrated[1] to:

  - strscpy()        for NUL-terminated destinations
  - strscpy_pad()    for NUL-terminated destinations needing zero-padding
  - strtomem_pad()   for non-NUL-terminated fixed-width fields
  - memcpy_and_pad() for bounded copies with explicit padding
  - memcpy()         for known-length copies

Remove the generic implementation, its declaration, the FORTIFY_SOURCE
wrapper, and associated tests.

Link: https://github.com/KSPP/linux/issues/90 [1]
Signed-off-by: Kees Cook <kees@kernel.org>
2026-06-18 16:39:31 -07:00
..
842
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crc
lib/crc: arm: Enable arm64's NEON intrinsics implementation of crc64
2026-05-28 13:14:23 -07:00
crypto
lib/crypto: gf128hash: mark clmul32() as noinline_for_stack
2026-06-11 12:57:49 -07:00
dim
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
fonts
fbdev/arm: Export acorndata_8x8 font symbol for bootloader
2026-06-09 16:00:11 +02:00
kunit
Merge tag 'linux_kselftest-kunit-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
2026-06-16 16:33:57 +05:30
lz4
…
lzo
…
math
Merge tag 'mm-nonmm-stable-2026-04-15-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-16 20:11:56 -07:00
pldmfw
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
raid
xor/arm64: Use shared NEON intrinsics implementation from 32-bit ARM
2026-05-28 13:14:21 -07:00
raid6
Merge tag 'riscv-for-linus-6.19-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2025-12-05 16:26:57 -08:00
reed_solomon
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
test_fortify
string: Remove strncpy() from the kernel
2026-06-18 16:39:31 -07:00
tests
string: Remove strncpy() from the kernel
2026-06-18 16:39:31 -07:00
vdso
Merge tag 'timers-vdso-2026-06-13' of gitolite.kernel.org:pub/scm/linux/kernel/git/tip/tip
2026-06-15 13:57:13 +05:30
xz
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
zlib_deflate
…
zlib_dfltcc
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zlib_inflate
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
zstd
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.gitignore
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alloc_tag.c
mm/alloc_tag: clear codetag for pages allocated before page_ext initialization
2026-04-18 00:10:50 -07:00
argv_split.c
…
ashldi3.c
…
ashrdi3.c
…
asn1_decoder.c
…
asn1_encoder.c
…
assoc_array.c
Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
2026-02-21 20:03:00 -08:00
atomic64_test.c
…
atomic64.c
…
audit.c
audit: fix coding style issues
2026-03-05 22:16:08 -05:00
base64.c
lib/base64: rework encode/decode for speed and stricter validation
2025-11-20 14:03:44 -08:00
bcd.c
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bch.c
lib/bch: fix signed shift overflow in build_mod8_tables
2026-03-27 21:19:48 -07:00
bitmap-str.c
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bitmap.c
bitmap: introduce bitmap_weighted_xor()
2026-04-01 20:03:07 -04:00
bitrev.c
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bootconfig-data.S
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bootconfig.c
bootconfig: move xbc_snprint_cmdline() to lib/bootconfig.c
2026-05-12 09:44:31 +09:00
bsearch.c
…
btree.c
…
bucket_locks.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
bug.c
bug/kunit: Core support for suppressing warning backtraces
2026-05-14 10:50:00 -06:00
build_OID_registry
oid_registry: allow arbitrary size OIDs
2026-01-20 19:44:15 -08:00
buildid.c
procfs: avoid fetching build ID while holding VMA lock
2026-02-05 14:10:00 -08:00
bust_spinlocks.c
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cache_maint.c
lib: Support ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION
2025-11-21 18:42:01 +00:00
check_signature.c
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checksum.c
…
closure.c
…
clz_ctz.c
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clz_tab.c
…
cmdline.c
…
cmpdi2.c
…
cmpxchg-emu.c
…
codetag.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
compat_audit.c
…
cpu_rmap.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
cpumask.c
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ctype.c
…
debug_info.c
…
debug_locks.c
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debugobjects.c
Merge tag 'core-urgent-2026-06-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2026-06-13 08:23:36 -07:00
dec_and_lock.c
compiler-context-analysis: Remove __cond_lock() function-like helper
2026-01-05 16:43:33 +01:00
decompress_bunzip2.c
lib: decompress_bunzip2: fix 32-bit shift undefined behavior
2026-03-27 21:19:43 -07:00
decompress_inflate.c
…
decompress_unlz4.c
…
decompress_unlzma.c
…
decompress_unlzo.c
…
decompress_unxz.c
xz: fix arm fdt compile error for kmalloc replacement
2026-02-22 12:05:31 -08:00
decompress_unzstd.c
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decompress.c
…
devmem_is_allowed.c
…
devres.c
…
dhry_1.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
dhry_2.c
…
dhry_run.c
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dhry.h
…
digsig.c
Merge tag 'integrity-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
2025-10-05 10:48:33 -07:00
dump_stack.c
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dynamic_debug.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
dynamic_queue_limits.c
…
earlycpio.c
…
errname.c
…
error-inject.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
errseq.c
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extable.c
…
fault-inject-usercopy.c
…
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_rust.rs
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find_bit_benchmark.c
lib/find_bit_benchmark: avoid clearing randomly filled bitmap in test_find_first_bit()
2026-03-23 13:33:51 -04:00
find_bit.c
bitmap: drop __find_nth_andnot_bit()
2026-03-23 13:33:51 -04:00
flex_proportions.c
flex_proportions: make fprop_new_period() hardirq safe
2026-01-26 19:03:46 -08:00
fw_table.c
…
genalloc.c
…
generic-radix-tree.c
…
glob.c
lib/glob: initialize back_str to silence uninitialized variable warning
2026-03-27 21:19:45 -07:00
group_cpus.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
hexdump.c
kernel.h: drop hex.h and update all hex.h users
2026-01-20 19:44:19 -08:00
hweight.c
bitops: Update kernel-doc in hweight.c to fix the issues with it
2025-11-06 11:51:04 -05:00
idr.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
inflate.c
lib/inflate: fix typo "This results" to "The results" in comment
2026-03-27 21:19:42 -07:00
interval_tree_test.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
interval_tree.c
interval_tree: Fix ITSTATIC usage for *_subtree_search()
2025-10-14 14:45:22 -07:00
iomap_copy.c
…
iomap.c
…
iomem_copy.c
…
iommu-helper.c
…
iov_iter.c
iov_iter: use kmemdup_array for dup_iter to harden against overflow
2026-05-21 09:32:47 +02:00
irq_poll.c
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irq_regs.c
…
is_single_threaded.c
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kasprintf.c
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Kconfig
xor: move to lib/raid/
2026-04-02 23:36:16 -07:00
Kconfig.debug
Merge tag 'objtool-core-2026-06-14' of gitolite.kernel.org:pub/scm/linux/kernel/git/tip/tip
2026-06-15 14:31:58 +05:30
Kconfig.kasan
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Kconfig.kcsan
…
Kconfig.kfence
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Kconfig.kgdb
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Kconfig.kmsan
KMSAN: Restore dynamic check for '-fsanitize=kernel-memory'
2025-10-27 16:22:02 -07:00
Kconfig.ubsan
Kconfig.ubsan: Remove CONFIG_UBSAN_REPORT_FULL from documentation
2026-01-07 12:16:03 -08:00
kfifo.c
kfifo: fix kmalloc_array_node() argument order
2026-01-26 19:07:09 -08:00
klist.c
…
kobject_uevent.c
kernfs: pass struct ns_common instead of const void * for namespace tags
2026-04-09 14:36:52 +02:00
kobject.c
kernfs: pass struct ns_common instead of const void * for namespace tags
2026-04-09 14:36:52 +02:00
kstrtox.c
lib/kstrtox: fix kstrtobool() docstring to mention enabled/disabled
2026-01-26 19:07:10 -08:00
kstrtox.h
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linear_ranges.c
lib/linear_ranges: Add linear_range_get_selector_high_array
2026-03-30 16:58:33 +02:00
list_debug.c
…
list_sort.c
lib/list_sort: remove dummy cmp() calls to speed up merge_final()
2026-04-02 23:36:22 -07:00
llist.c
…
locking-selftest-hardirq.h
…
locking-selftest-mutex.h
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locking-selftest-rlock-hardirq.h
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locking-selftest-rlock-softirq.h
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locking-selftest-rlock.h
…
locking-selftest-rsem.h
…
locking-selftest-rtmutex.h
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locking-selftest-softirq.h
…
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
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
…
locking-selftest-wsem.h
…
locking-selftest.c
lockdep/selftests: Restore sched_rt_mutex state on PREEMPT_RT
2026-06-03 11:38:47 +02:00
lockref.c
compiler-context-analysis: Remove __cond_lock() function-like helper
2026-01-05 16:43:33 +01:00
logic_iomem.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
logic_pio.c
…
lru_cache.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
lshrdi3.c
…
lwq.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
Makefile
Merge tag 'mm-nonmm-stable-2026-04-15-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-04-16 20:11:56 -07:00
maple_tree.c
MAINTAINERS: update Liam's email address
2026-04-27 05:54:25 -07:00
memcat_p.c
…
memory-notifier-error-inject.c
…
memregion.c
…
memweight.c
…
min_heap.c
…
muldi3.c
…
net_utils.c
…
netdev-notifier-error-inject.c
…
nlattr.c
…
nmi_backtrace.c
…
notifier-error-inject.c
…
notifier-error-inject.h
…
objagg.c
Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
2026-02-22 08:26:33 -08:00
objpool.c
objpool: fix the overestimation of object pooling metadata size
2026-02-12 15:45:57 -08:00
of-reconfig-notifier-error-inject.c
…
oid_registry.c
…
once.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
packing_test.c
…
packing.c
…
parman.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
parser.c
lib: parser: fix match_wildcard to correctly handle trailing stars
2026-04-02 23:36:24 -07:00
percpu_counter.c
…
percpu_test.c
…
percpu-refcount.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
plist.c
treewide: Update email address
2026-01-11 06:09:11 -10:00
pm-notifier-error-inject.c
…
radix-tree.c
…
radix-tree.h
…
random32.c
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ratelimit.c
lib: ratelimit: fix spelling mistake 'seperately'
2025-11-20 14:03:45 -08:00
rbtree_test.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
rbtree.c
rbtree: Provide rbtree with links
2026-02-27 16:40:16 +01:00
rcuref.c
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ref_tracker.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
refcount.c
…
rhashtable.c
Merge tag 'bpf-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2026-06-17 09:18:14 +01:00
sbitmap.c
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scatterlist.c
lib/scatterlist: fix temp buffer in extract_user_to_sg()
2026-04-02 23:36:23 -07:00
seq_buf.c
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sg_pool.c
…
sg_split.c
treewide: Replace kmalloc with kmalloc_obj for non-scalar types
2026-02-21 01:02:28 -08:00
siphash.c
…
smp_processor_id.c
…
sort.c
…
stackdepot.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
stmp_device.c
…
string_helpers.c
lib/string_helpers: annotate struct strarray with __counted_by_ptr
2026-05-13 10:54:08 -07:00
string.c
string: Remove strncpy() from the kernel
2026-06-18 16:39:31 -07:00
strncpy_from_user.c
lib/strn*,uaccess: Use masked_user_{read/write}_access_begin when required
2025-11-18 15:27:35 +01:00
strnlen_user.c
lib/strn*,uaccess: Use masked_user_{read/write}_access_begin when required
2025-11-18 15:27:35 +01:00
sys_info.c
sys_info: add a default kernel sys_info mask
2025-11-20 14:03:43 -08:00
syscall.c
…
test_bitmap.c
bitmap: add test_zero_nbits()
2026-03-24 13:39:53 -04:00
test_bitops.c
…
test_bpf.c
bpf: Exhaustive test coverage for signed division and modulo
2026-04-20 17:57:36 -07:00
test_context-analysis.c
compiler-context-analysis: Bump required Clang version to 23
2026-05-28 12:20:19 +02:00
test_debug_virtual.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
test_dynamic_debug.c
…
test_firmware.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
test_fpu_glue.c
…
test_fpu_impl.c
…
test_fpu.h
…
test_free_pages.c
…
test_hexdump.c
…
test_hmm_uapi.h
lib/test_hmm: add large page allocation failure testing
2025-11-24 15:08:48 -08:00
test_hmm.c
lib: test_hmm: implement a device release method
2026-04-18 00:10:52 -07:00
test_ida.c
…
test_kho.c
kho: persist blob size in KHO FDT
2026-04-18 00:10:48 -07:00
test_kmod.c
…
test_lockup.c
…
test_maple_tree.c
MAINTAINERS: update Liam's email address
2026-04-27 05:54:25 -07:00
test_memcat_p.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
test_meminit.c
mm/slab: improve kmem_cache_alloc_bulk
2026-06-03 18:20:43 +02:00
test_module.c
…
test_objagg.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
test_objpool.c
…
test_parman.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
test_ref_tracker.c
…
test_rhashtable.c
rhashtable: Add selftest for rhashtable_next_key()
2026-06-05 08:00:07 -07:00
test_static_key_base.c
…
test_static_keys.c
…
test_sysctl.c
…
test_ubsan.c
…
test_vmalloc.c
Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
2026-02-21 17:09:51 -08:00
test_workqueue.c
workqueue: avoid unguarded 64-bit division
2026-04-03 07:14:24 -10:00
test_xarray.c
…
test-kstrtox.c
…
textsearch.c
…
timerqueue.c
timerqueue: Provide linked timerqueue
2026-02-27 16:40:16 +01:00
trace_readwrite.c
…
ts_bm.c
lib/ts_bm: fix integer overflow in pattern length calculation
2026-03-27 21:19:44 -07:00
ts_fsm.c
…
ts_kmp.c
lib/ts_kmp: fix integer overflow in pattern length calculation
2026-03-27 21:19:44 -07:00
ubsan.c
…
ubsan.h
…
ucmpdi2.c
…
ucs2_string.c
…
union_find.c
…
usercopy.c
uaccess: decouple INLINE_COPY_FROM_USER and CONFIG_RUST
2025-11-12 10:00:16 -08:00
uuid.c
lib/uuid: fix typo "reversion" to "revision" in comment
2026-03-27 21:19:41 -07:00
vsprintf.c
vsprintf: Revert "add simple_strntoul"
2026-05-21 09:32:46 +02:00
win_minmax.c
…
xarray.c
…
xxhash.c
lib/xxhash: remove more unused xxh functions
2025-11-12 10:00:17 -08:00