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Willem de Bruijn 0b42ab0783 udp: fix skb_copy_and_csum_datagram with odd segment sizes 
commit 52cbd23a11 upstream.

When iteratively computing a checksum with csum_block_add, track the
offset "pos" to correctly rotate in csum_block_add when offset is odd.

The open coded implementation of skb_copy_and_csum_datagram did this.
With the switch to __skb_datagram_iter calling csum_and_copy_to_iter,
pos was reinitialized to 0 on each call.

Bring back the pos by passing it along with the csum to the callback.

Changes v1->v2
  - pass csum value, instead of csump pointer (Alexander Duyck)

Link: https://lore.kernel.org/netdev/20210128152353.GB27281@optiplex/
Fixes: 950fcaecd5 ("datagram: consolidate datagram copy to iter helpers")
Reported-by: Oliver Graute <oliver.graute@gmail.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20210203192952.1849843-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-02-17 10:35:19 +01:00
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842
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crypto
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dim
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fonts
Fonts: Replace discarded const qualifier
2020-11-10 12:37:26 +01:00
livepatch
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lz4
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lzo
lib/lzo: fix ambiguous encoding bug in lzo-rle
2020-06-17 16:40:28 +02:00
math
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mpi
lib/mpi: Fix 64-bit MIPS build with Clang
2020-06-22 09:31:00 +02:00
raid6
lib/raid6: Let $(UNROLL) rules work with macOS userland
2021-01-19 18:26:15 +01:00
reed_solomon
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vdso
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xz
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zlib_deflate
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zlib_inflate
lib/zlib: remove outdated and incorrect pre-increment optimization
2020-06-24 17:50:39 +02:00
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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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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bcd.c
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bch.c
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bitmap.c
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bitrev.c
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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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bust_spinlocks.c
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chacha.c
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check_signature.c
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checksum.c
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clz_ctz.c
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clz_tab.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
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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
lib/crc32.c: fix trivial typo in preprocessor condition
2020-10-29 09:57:52 +01:00
crc32defs.h
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crc32test.c
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2020-11-10 12:37:27 +01:00
crc64.c
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crc-ccitt.c
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crc-itu-t.c
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crc-t10dif.c
crc-t10dif: Fix potential crypto notify dead-lock
2020-08-19 08:15:54 +02:00
ctype.c
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debug_info.c
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debug_locks.c
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debugobjects.c
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dec_and_lock.c
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decompress_bunzip2.c
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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
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decompress.c
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devres.c
devres: keep both device name and resource name in pretty name
2020-08-21 13:05:32 +02:00
digsig.c
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dump_stack.c
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dynamic_debug.c
dyndbg: fix a BUG_ON in ddebug_describe_flags
2020-08-19 08:16:04 +02:00
dynamic_queue_limits.c
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earlycpio.c
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error-inject.c
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errseq.c
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extable.c
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fault-inject.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
lib/genalloc: fix the overflow when size is too big
2021-01-12 20:16:10 +01:00
generic-radix-tree.c
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glob.c
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globtest.c
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hexdump.c
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hweight.c
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idr.c
ida: Free allocated bitmap in error path
2020-10-29 09:57:47 +01:00
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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ioremap.c
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iov_iter.c
udp: fix skb_copy_and_csum_datagram with odd segment sizes
2021-02-17 10:35:19 +01:00
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
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Kconfig.debug
kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec()
2020-10-01 13:17:10 +02:00
Kconfig.kasan
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Kconfig.kgdb
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Kconfig.ubsan
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kfifo.c
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klist.c
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kobject_uevent.c
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kobject.c
kobject: Restore old behaviour of kobject_del(NULL)
2020-09-17 13:47:52 +02:00
kstrtox.c
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kstrtox.h
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libcrc32c.c
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list_debug.c
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list_sort.c
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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
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logic_pio.c
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lru_cache.c
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lshrdi3.c
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Makefile
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memcat_p.c
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memory-notifier-error-inject.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
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nmi_backtrace.c
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nodemask.c
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notifier-error-inject.c
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notifier-error-inject.h
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objagg.c
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of-reconfig-notifier-error-inject.c
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oid_registry.c
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once.c
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packing.c
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parman.c
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parser.c
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pci_iomap.c
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percpu_counter.c
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percpu_test.c
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percpu-refcount.c
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plist.c
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pm-notifier-error-inject.c
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radix-tree.c
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random32.c
random32: make prandom_u32() output unpredictable
2020-11-18 19:20:20 +01:00
ratelimit.c
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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
sgl_alloc_order: fix memory leak
2020-11-05 11:43:22 +01:00
seq_buf.c
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sg_pool.c
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sg_split.c
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sha1.c
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show_mem.c
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siphash.c
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smp_processor_id.c
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sort.c
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stackdepot.c
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stmp_device.c
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string_helpers.c
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string.c
lib/string.c: implement stpcpy
2020-10-01 13:18:23 +02:00
strncpy_from_user.c
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strnlen_user.c
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syscall.c
lib/syscall: fix syscall registers retrieval on 32-bit platforms
2020-12-11 13:23:32 +01:00
test_bitfield.c
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test_bitmap.c
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test_blackhole_dev.c
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test_bpf.c
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test_debug_virtual.c
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test_firmware.c
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test_hash.c
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test_hexdump.c
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test_ida.c
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test_kasan.c
kasan: stop tests being eliminated as dead code with FORTIFY_SOURCE
2020-06-22 09:31:12 +02:00
test_kmod.c
test_kmod: avoid potential double free in trigger_config_run_type()
2020-08-21 13:05:37 +02:00
test_list_sort.c
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test_memcat_p.c
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test_meminit.c
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test_module.c
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test_objagg.c
test_objagg: Fix potential memory leak in error handling
2020-06-30 15:37:04 -04:00
test_overflow.c
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test_parman.c
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test_printf.c
vsprintf: don't obfuscate NULL and error pointers
2020-05-27 17:46:43 +02:00
test_rhashtable.c
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test_siphash.c
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test_sort.c
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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
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test_user_copy.c
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test_uuid.c
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test_vmalloc.c
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test_xarray.c
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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
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ts_fsm.c
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ts_kmp.c
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ubsan.c
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ubsan.h
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ucmpdi2.c
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ucs2_string.c
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usercopy.c
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uuid.c
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vsprintf.c
vsprintf: don't obfuscate NULL and error pointers
2020-05-27 17:46:43 +02:00
win_minmax.c
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xarray.c
xarray: Fix early termination of xas_for_each_marked
2020-04-17 10:50:18 +02:00
xxhash.c
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