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Kent Overstreet ad5ee9feeb lib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc() 
[ Upstream commit b2f11c6f3e ]

If we need to increase the tree depth, allocate a new node, and then
race with another thread that increased the tree depth before us, we'll
still have a preallocated node that might be used later.

If we then use that node for a new non-root node, it'll still have a
pointer to the old root instead of being zeroed - fix this by zeroing it
in the cmpxchg failure path.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-09-12 11:07:50 +02:00
..
842
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crypto
crypto: lib - remove unneeded selection of XOR_BLOCKS
2022-09-05 10:30:03 +02:00
dim
linux/dim: Do nothing if no time delta between samples
2023-05-24 17:36:41 +01:00
fonts
lib/fonts: fix undefined behavior in bit shift for get_default_font
2022-12-31 13:14:02 +01:00
kunit
kunit: Fix timeout message
2024-07-18 13:07:29 +02:00
livepatch
selftests/livepatch: better synchronize test_klp_callbacks_busy
2022-08-17 14:24:03 +02:00
lz4
lz4: fix LZ4_decompress_safe_partial read out of bound
2022-04-13 20:59:21 +02:00
lzo
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math
bitmap: introduce generic optimized bitmap_size()
2024-09-04 13:23:16 +02:00
mpi
crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init
2024-02-23 08:55:11 +01:00
pldmfw
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raid6
lib/raid6/test/Makefile: Use $(pound) instead of \# for Make 4.3
2022-04-08 14:23:56 +02:00
reed_solomon
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vdso
lib/vdso: use "grep -E" instead of "egrep"
2022-12-02 17:41:08 +01:00
xz
lib/xz: Validate the value before assigning it to an enum variable
2021-11-18 19:16:17 +01:00
zlib_deflate
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zlib_dfltcc
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zlib_inflate
lib/zlib_inflate/inffast: check config in C to avoid unused function warning
2021-09-24 16:13:35 -07:00
zstd
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.gitignore
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argv_split.c
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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
assoc_array: Fix BUG_ON during garbage collect
2022-06-06 08:43:37 +02:00
atomic64_test.c
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atomic64.c
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audit.c
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bcd.c
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bch.c
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bitfield_kunit.c
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bitmap.c
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bitrev.c
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bootconfig.c
memblock: introduce saner 'memblock_free_ptr()' interface
2021-09-14 13:23:22 -07:00
bsearch.c
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btree.c
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bucket_locks.c
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bug.c
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build_OID_registry
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buildid.c
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bust_spinlocks.c
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check_signature.c
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checksum.c
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clz_ctz.c
lib/clz_ctz.c: Fix __clzdi2() and __ctzdi2() for 32-bit kernels
2023-08-30 16:18:18 +02:00
clz_tab.c
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cmdline_kunit.c
lib/cmdline: Fix an invalid format specifier in an assertion msg
2024-03-26 18:21:15 -04:00
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()
2023-06-14 11:13:04 +02:00
cpumask.c
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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.c
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crc-ccitt.c
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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: Recheck debug_objects_enabled before reporting
2024-03-01 13:21:54 +01:00
dec_and_lock.c
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decompress_bunzip2.c
decompress_bunzip2: fix rare decompression failure
2024-08-19 05:45:16 +02:00
decompress_inflate.c
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decompress_unlz4.c
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decompress_unlzma.c
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decompress_unlzo.c
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decompress_unxz.c
lib/xz: Avoid overlapping memcpy() with invalid input with in-place decompression
2021-11-18 19:16:17 +01:00
decompress_unzstd.c
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decompress.c
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devmem_is_allowed.c
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devres.c
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digsig.c
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dump_stack.c
lib/dump_stack: correct kernel-doc notation
2021-09-08 11:50:26 -07:00
dynamic_debug.c
dyndbg: fix old BUG_ON in >control parser
2024-05-17 11:51:04 +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
2023-12-08 08:48:02 +01:00
error-inject.c
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errseq.c
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extable.c
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fault-inject-usercopy.c
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fault-inject.c
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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
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flex_proportions.c
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gen_crc32table.c
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gen_crc64table.c
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genalloc.c
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generic-radix-tree.c
lib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc()
2024-09-12 11:07:50 +02:00
glob.c
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globtest.c
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hexdump.c
hex2bin: fix access beyond string end
2022-05-09 09:14:30 +02:00
hweight.c
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idr.c
ida: Fix crash in ida_free when the bitmap is empty
2024-01-25 14:52:30 -08:00
inflate.c
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interval_tree_test.c
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interval_tree.c
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iomap_copy.c
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iomap.c
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iommu-helper.c
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iov_iter.c
fix short copy handling in copy_mc_pipe_to_iter()
2022-08-17 14:22:51 +02:00
irq_poll.c
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irq_regs.c
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is_single_threaded.c
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kasprintf.c
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Kconfig
crypto: memneq - move into lib/
2022-06-22 14:22:03 +02:00
Kconfig.debug
bpf, kconfig: Fix DEBUG_INFO_BTF_MODULES Kconfig definition
2024-05-17 11:50:46 +02:00
Kconfig.kasan
kasan: fix Kconfig check of CC_HAS_WORKING_NOSANITIZE_ADDRESS
2021-09-24 16:13:34 -07:00
Kconfig.kcsan
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Kconfig.kfence
kfence: default to dynamic branch instead of static keys mode
2021-11-12 15:05:49 +01:00
Kconfig.kgdb
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Kconfig.ubsan
ubsan: remove CONFIG_UBSAN_OBJECT_SIZE
2022-04-13 20:59:27 +02:00
kfifo.c
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klist.c
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kobject_uevent.c
kobject_uevent: Fix OOB access within zap_modalias_env()
2024-08-19 05:45:17 +02:00
kobject.c
kobject: Add sanity check for kset->kobj.ktype in kset_register()
2023-09-23 11:09:59 +02:00
kstrtox.c
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kstrtox.h
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libcrc32c.c
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linear_ranges.c
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list_debug.c
lib/list_debug.c: Detect uninitialized lists
2022-08-25 11:40:40 +02:00
list_sort.c
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list-test.c
list: test: Add a test for list_is_head()
2022-06-09 10:23:31 +02:00
llist.c
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locking-selftest-hardirq.h
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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
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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
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locking-selftest-spin.h
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locking-selftest-wlock-hardirq.h
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locking-selftest-wlock-softirq.h
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locking-selftest-wlock.h
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locking-selftest-wsem.h
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locking-selftest.c
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lockref.c
lockref: stop doing cpu_relax in the cmpxchg loop
2023-02-01 08:27:19 +01:00
logic_iomem.c
lib/logic_iomem: correct fallback config references
2022-04-13 20:58:59 +02:00
logic_pio.c
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lru_cache.c
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lshrdi3.c
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Makefile
crypto: memneq - move into lib/
2022-06-22 14:22:03 +02:00
memcat_p.c
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memneq.c
crypto: memneq - move into lib/
2022-06-22 14:22:03 +02:00
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
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netdev-notifier-error-inject.c
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nlattr.c
netlink: prevent potential spectre v1 gadgets
2023-02-01 08:27:26 +01:00
nmi_backtrace.c
printk: restore flushing of NMI buffers on remote CPUs after NMI backtraces
2021-11-25 09:48:45 +01:00
nodemask.c
nodemask: Fix return values to be unsigned
2022-06-14 18:36:24 +02:00
notifier-error-inject.c
lib/notifier-error-inject: fix error when writing -errno to debugfs file
2022-12-31 13:14:03 +01:00
notifier-error-inject.h
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objagg.c
mlxsw: spectrum_acl_erp: Fix object nesting warning
2024-08-19 05:44:56 +02:00
of-reconfig-notifier-error-inject.c
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oid_registry.c
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once.c
once: add DO_ONCE_SLOW() for sleepable contexts
2022-10-26 12:34:49 +02:00
packing.c
net: update NXP copyright text
2021-09-17 13:52:17 +01:00
parman.c
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parser.c
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pci_iomap.c
pci_iounmap(): Fix MMIO mapping leak
2024-04-10 16:18:34 +02:00
percpu_counter.c
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percpu_test.c
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percpu-refcount.c
percpu_ref_init(): clean ->percpu_count_ref on failure
2022-06-06 08:43:36 +02:00
plist.c
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pm-notifier-error-inject.c
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radix-tree.c
radix tree: remove unused variable
2023-08-30 16:18:18 +02:00
random32.c
random: replace custom notifier chain with standard one
2022-05-30 09:29:10 +02:00
ratelimit.c
ratelimit: Fix data-races in ___ratelimit().
2022-08-31 17:16:43 +02:00
rbtree_test.c
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rbtree.c
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refcount.c
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rhashtable.c
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sbitmap.c
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scatterlist.c
Merge branch 'akpm' (patches from Andrew)
2021-09-03 10:08:28 -07:00
seq_buf.c
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sg_pool.c
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sg_split.c
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sha1.c
lib/crypto: sha1: re-roll loops to reduce code size
2022-05-30 09:28:59 +02:00
show_mem.c
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siphash.c
siphash: use one source of truth for siphash permutations
2022-05-30 09:29:15 +02:00
slub_kunit.c
mm/slub, kunit: Use inverted data to corrupt kmem cache
2024-06-16 13:39:16 +02:00
smp_processor_id.c
lib/smp_processor_id: fix imbalanced instrumentation_end() call
2022-08-17 14:24:08 +02:00
sort.c
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stackdepot.c
stackdepot: respect __GFP_NOLOCKDEP allocation flag
2024-05-02 16:24:49 +02:00
stmp_device.c
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string_helpers.c
string: uninline memcpy_and_pad
2021-11-21 13:44:12 +01:00
string.c
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strncpy_from_user.c
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strnlen_user.c
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syscall.c
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test_bitmap.c
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test_bitops.c
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test_bits.c
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test_blackhole_dev.c
net: blackhole_dev: fix build warning for ethh set but not used
2024-03-26 18:21:18 -04:00
test_bpf.c
test_bpf: fix incorrect netdev features
2022-08-17 14:23:23 +02:00
test_debug_virtual.c
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test_firmware.c
test_firmware: return ENOMEM instead of ENOSPC on failed memory allocation
2023-07-23 13:47:25 +02:00
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
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test_hmm_uapi.h
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test_hmm.c
lib/test_hmm: avoid accessing uninitialized pages
2022-08-17 14:23:43 +02:00
test_ida.c
ida: Fix crash in ida_free when the bitmap is empty
2024-01-25 14:52:30 -08:00
test_kasan_module.c
kasan: test: avoid corrupting memory in kasan_rcu_uaf
2021-09-03 09:58:15 -07:00
test_kasan.c
kasan/test: avoid gcc warning for intentional overflow
2024-04-10 16:18:35 +02:00
test_kmod.c
lib/test: use after free in register_test_dev_kmod()
2022-04-08 14:23:54 +02:00
test_linear_ranges.c
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test_list_sort.c
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test_lockup.c
lib/test_lockup: fix kernel pointer check for separate address spaces
2022-04-08 14:24:01 +02:00
test_memcat_p.c
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test_meminit.c
lib/test_meminit: fix off-by-one error in test_pages()
2023-10-19 23:05:33 +02:00
test_min_heap.c
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test_module.c
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test_objagg.c
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test_overflow.c
overflow: Implement size_t saturating arithmetic helpers
2022-12-31 13:14:33 +01:00
test_parman.c
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test_printf.c
Merge branch 'akpm' (patches from Andrew)
2021-09-08 12:55:35 -07:00
test_rhashtable.c
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test_scanf.c
lib: test_scanf: Add explicit type cast to result initialization in test_number_prefix()
2023-09-19 12:23:01 +02:00
test_siphash.c
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test_sort.c
lib/test: convert test_sort.c to use KUnit
2021-09-08 11:50:26 -07:00
test_stackinit.c
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test_static_key_base.c
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test_static_keys.c
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test_string.c
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test_strscpy.c
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test_sysctl.c
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test_ubsan.c
ubsan: remove CONFIG_UBSAN_OBJECT_SIZE
2022-04-13 20:59:27 +02:00
test_user_copy.c
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test_uuid.c
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test_vmalloc.c
lib/test_vmalloc.c: add a new 'nr_pages' parameter
2021-09-03 09:58:14 -07:00
test_xarray.c
XArray: Fix xas_create_range() when multi-order entry present
2022-04-08 14:24:09 +02:00
test-kstrtox.c
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test-string_helpers.c
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textsearch.c
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timerqueue.c
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ts_bm.c
lib/ts_bm: reset initial match offset for every block of text
2023-07-23 13:46:56 +02:00
ts_fsm.c
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ts_kmp.c
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ubsan.c
panic: Consolidate open-coded panic_on_warn checks
2023-02-01 08:27:22 +01:00
ubsan.h
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ucmpdi2.c
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ucs2_string.c
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usercopy.c
uaccess: Add speculation barrier to copy_from_user()
2023-02-25 12:06:44 +01:00
uuid.c
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vsprintf.c
lib/vsprintf: Fix %pfwf when current node refcount == 0
2024-01-05 15:13:35 +01:00
win_minmax.c
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xarray.c
XArray: Update the LRU list in xas_split()
2022-04-08 14:24:09 +02:00
xxhash.c
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