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Greg Kroah-Hartman ac08a394aa lz4: fix another possible overrun 
(cherry pick from commit 4148c1f67a)

There is one other possible overrun in the lz4 code as implemented by
Linux at this point in time (which differs from the upstream lz4
codebase, but will get synced at in a future kernel release.)  As
pointed out by Don, we also need to check the overflow in the data
itself.

While we are at it, replace the odd error return value with just a
"simple" -1 value as the return value is never used for anything other
than a basic "did this work or not" check.

Reported-by: "Don A. Bailey" <donb@securitymouse.com>
Reported-by: Willy Tarreau <w@1wt.eu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bug: 24810447
Change-Id: If06c4719c0b6db3e3e9b693b50fa2218ed1f5078
 		2018-01-01 21:26:54 +03:00
..
lz4 lz4: fix another possible overrun 2018-01-01 21:26:54 +03:00
lzo lzo: check for length overrun in variable length encoding. 2015-02-02 17:04:44 +08:00
mpi Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
raid6 Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
reed_solomon
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xz
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zlib_deflate
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zlib_inflate
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.gitignore
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Kconfig lib: add lz4 compressor module 2018-01-01 21:26:46 +03:00
Kconfig.debug time: Remove CONFIG_TIMER_STATS 2017-07-02 13:03:26 +03:00
Kconfig.kgdb
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Kconfig.kmemcheck
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Makefile lib: add lz4 compressor module 2018-01-01 21:26:46 +03:00
argv_split.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
atomic64.c lib: atomic64: Initialize locks statically to fix early users 2013-01-11 09:07:17 -08:00
atomic64_test.c bug.h: add include of it to various implicit C users 2012-02-29 17:15:08 -05:00
audit.c
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average.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
bcd.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
bch.c
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bitmap.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
bitrev.c
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bsearch.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
btree.c lib/btree.c: fix leak of whole btree nodes 2014-08-07 12:00:11 -07:00
bug.c bugs, x86: Fix printk levels for panic, softlockups and stack dumps 2012-01-26 21:28:45 +01:00
bust_spinlocks.c
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check_signature.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
checksum.c lib/checksum.c: fix build for generic csum_tcpudp_nofold 2015-04-14 17:34:04 +08:00
clz_tab.c lib: Fix multiple definitions of clz_tab 2012-02-02 10:34:23 +11:00
cmdline.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
cordic.c Docs: wording: functions -> algorithm 2011-10-29 21:20:22 +02:00
cpu-notifier-error-inject.c
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cpu_rmap.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
cpumask.c lib/cpumask.c: remove __any_online_cpu() 2012-03-28 17:14:35 -07:00
crc-ccitt.c
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crc-itu-t.c
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crc-t10dif.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 crc32: add self-test code for crc32c 2012-03-23 16:58:38 -07:00
crc32defs.h crc32: select an algorithm via Kconfig 2012-03-23 16:58:38 -07:00
ctype.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
debug_locks.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
debugobjects.c debugobjects: Fix selftest for static warnings 2012-03-05 15:49:43 -08:00
dec_and_lock.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
decompress.c
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decompress_bunzip2.c decompress_bunzip2: remove invalid vi modeline 2011-12-06 10:00:05 +01:00
decompress_inflate.c
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decompress_unlzma.c treewide: Fix comment and string typo 'bufer' 2011-12-06 09:53:40 +01:00
decompress_unlzo.c lib/lzo: Rename lzo1x_decompress.c to lzo1x_decompress_safe.c 2014-06-26 15:10:29 -04:00
decompress_unxz.c
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devres.c devres: fix a for loop bounds check 2016-10-26 23:15:23 +08:00
digsig.c digsig: Fix memory leakage in digsig_verify_rsa() 2013-02-11 08:47:17 -08:00
div64.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
dma-debug.c Remove useless get_driver()/put_driver() calls 2012-01-24 16:00:35 -08:00
dump_stack.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
dynamic_debug.c dynamic_debug: process multiple debug-queries on a line 2012-01-24 12:50:36 -08:00
dynamic_queue_limits.c bql: Avoid possible inconsistent calculation. 2012-07-16 09:03:43 -07:00
extable.c
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fault-inject.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
find_last_bit.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
find_next_bit.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
flex_array.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
gcd.c lib/gcd.c: prevent possible div by 0 2012-10-13 05:38:38 +09:00
gen_crc32table.c crc32: bolt on crc32c 2012-03-23 16:58:38 -07:00
genalloc.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00
halfmd4.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
hexdump.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
hweight.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
idr.c idr: fix a subtle bug in idr_get_next() 2015-03-11 21:59:58 -07:00
inflate.c
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int_sqrt.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
iomap.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
iomap_copy.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
iommu-helper.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
ioremap.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
irq_regs.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
is_single_threaded.c
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kasprintf.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
klist.c klist: del waiter from klist_remove_waiters before wakeup waitting process 2013-06-07 12:49:13 -07:00
kobject.c kobject: fix kset_find_obj() race with concurrent last kobject_put() 2013-04-16 21:27:27 -07:00
kobject_uevent.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
kstrtox.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
kstrtox.h lib/kstrtox: common code between kstrto*() and simple_strto*() functions 2011-10-31 17:30:56 -07:00
lcm.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
libcrc32c.c
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list_debug.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
list_sort.c
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llist.c Disintegrate and delete asm/system.h 2012-03-28 15:58:21 -07:00
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-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 lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
lru_cache.c
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md5.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
memory_alloc.c flo: Put device-specific code behind #ifndef CONFIG_UML. 2015-05-20 15:22:06 +09:00
nlattr.c netlink: rate-limit leftover bytes warning and print process name 2014-06-26 15:10:28 -04:00
parser.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
pci_iomap.c lib: add NO_GENERIC_PCI_IOPORT_MAP 2012-01-31 23:19:47 +02:00
percpu_counter.c lib/percpu_counter.c: enclose hotplug only variables in hotplug ifdef 2011-10-31 17:30:56 -07:00
plist.c bug.h: add include of it to various implicit C users 2012-02-29 17:15:08 -05:00
prio_heap.c
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prio_tree.c prio_tree: introduce prio_set_parent() 2012-03-23 16:58:36 -07:00
proportions.c
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radix-tree.c radix-tree: fix contiguous iterator 2012-06-10 00:36:17 +09:00
random32.c random32: include missing header file 2017-10-27 21:48:02 +03:00
ratelimit.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
rational.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
rbtree.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
reciprocal_div.c sch_red: Adaptative RED AQM 2011-12-08 19:52:43 -05:00
rwsem-spinlock.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
rwsem.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
scatterlist.c lib/scatterlist.c: don't flush_kernel_dcache_page on slab page 2013-11-13 12:01:49 +09:00
sha1.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
show_mem.c mm, show_mem: suppress page counts in non-blockable contexts 2013-10-13 15:42:49 -07:00
smp_processor_id.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
sort.c
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spinlock_debug.c spinlock_debug: Print offset in addition to symbol name 2013-02-27 18:18:25 -08:00
string.c random: add and use memzero_explicit() for clearing data 2015-02-02 17:04:54 +08:00
string_helpers.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
swiotlb.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
syscall.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
test-kstrtox.c
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textsearch.c
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timerqueue.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
ts_bm.c
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ts_fsm.c
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ts_kmp.c
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uuid.c lib: reduce the use of module.h wherever possible 2012-03-07 15:04:04 -05:00
vsprintf.c Merge remote-tracking branch 'stable/linux-3.4.y' into lineage-15.1 2017-12-27 17:13:15 +03:00