block log2 and leaves2 crash the game when set to certain data values

Can confirm, seems to be a regression of MC-56893

---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 12/29/14 11:37 PM
Description: Unexpected error

java.lang.IllegalArgumentException: Cannot set property beu{name=variant, clazz=class ayv, values=[acacia, dark_oak]} to oak on block minecraft:log2, it is not an allowed value
	at bef.a(SourceFile:124)
	at ayg.a(SourceFile:54)
	at atp.a(SourceFile:686)
	at axl.a(SourceFile:51)
	at ajs.a(SourceFile:54)
	at amh.a(SourceFile:127)
	at cem.a(SourceFile:315)
	at bst.av(SourceFile:1366)
	at bst.r(SourceFile:1803)
	at bst.at(SourceFile:884)
	at bst.a(SourceFile:321)
	at net.minecraft.client.main.Main.main(SourceFile:124)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at bef.a(SourceFile:124)
	at ayg.a(SourceFile:54)
	at atp.a(SourceFile:686)
	at axl.a(SourceFile:51)
	at ajs.a(SourceFile:54)
	at amh.a(SourceFile:127)
	at cem.a(SourceFile:315)
	at bst.av(SourceFile:1366)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [cio['Mustek'/1384, l='MpServer', x=3.98, y=64.00, z=68.17]]
	Chunk stats: MultiplayerChunkCache: 1521, 1521
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: 188.00,64.00,252.00 - World: (188,64,252), Chunk: (at 12,4,12 in 11,15; contains blocks 176,0,240 to 191,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 140583 game time, 19142 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 105 total; [aer['Creeper'/1541, l='MpServer', x=-57.50, y=71.00, z=-10.50], agi['Zombie'/1542, l='MpServer', x=-54.50, y=71.00, z=0.50], agi['Zombie'/1543, l='MpServer', x=-57.97, y=63.00, z=36.53], abw['Cow'/1544, l='MpServer', x=-61.47, y=86.00, z=38.25], abw['Cow'/1545, l='MpServer', x=-60.56, y=67.00, z=62.78], abw['Cow'/1546, l='MpServer', x=-57.66, y=83.00, z=48.59], abs['Bat'/1547, l='MpServer', x=-52.41, y=25.88, z=76.56], abw['Cow'/1548, l='MpServer', x=-63.88, y=103.00, z=91.00], abw['Cow'/1549, l='MpServer', x=-55.38, y=101.00, z=134.69], abw['Cow'/1550, l='MpServer', x=-60.56, y=100.00, z=128.63], abs['Bat'/1560, l='MpServer', x=-35.88, y=42.28, z=0.03], abs['Bat'/1561, l='MpServer', x=-41.28, y=36.78, z=20.56], acq['Squid'/1562, l='MpServer', x=-38.72, y=61.38, z=52.94], acq['Squid'/1563, l='MpServer', x=-44.50, y=60.13, z=73.47], acq['Squid'/1564, l='MpServer', x=-46.50, y=61.31, z=74.13], agd['Spider'/1565, l='MpServer', x=-41.03, y=85.00, z=126.00], agi['Zombie'/1566, l='MpServer', x=-33.31, y=105.00, z=140.47], agi['Zombie'/1567, l='MpServer', x=-35.53, y=104.00, z=136.00], afw['Skeleton'/1575, l='MpServer', x=-19.59, y=70.00, z=49.03], afw['Skeleton'/1576, l='MpServer', x=-21.53, y=72.00, z=62.78], abs['Bat'/1577, l='MpServer', x=-17.47, y=43.22, z=63.34], aer['Creeper'/1578, l='MpServer', x=-23.75, y=63.00, z=77.03], agi['Zombie'/1579, l='MpServer', x=-21.69, y=70.00, z=69.94], acn['Sheep'/1580, l='MpServer', x=-27.56, y=78.00, z=111.22], acn['Sheep'/1581, l='MpServer', x=-18.50, y=98.00, z=128.50], acn['Sheep'/1582, l='MpServer', x=-28.78, y=98.00, z=128.50], abw['Cow'/1595, l='MpServer', x=-10.59, y=89.00, z=35.69], abw['Cow'/1596, l='MpServer', x=-7.59, y=89.00, z=22.16], abw['Cow'/1597, l='MpServer', x=-4.53, y=96.00, z=39.84], agh['Witch'/1609, l='MpServer', x=3.50, y=80.00, z=-3.50], agh['Witch'/1610, l='MpServer', x=1.50, y=80.00, z=-3.50], abw['Cow'/1611, l='MpServer', x=2.94, y=101.00, z=25.84], abs['Bat'/1612, l='MpServer', x=12.75, y=22.06, z=47.69], abw['Cow'/1617, l='MpServer', x=24.94, y=88.00, z=-6.19], abw['Cow'/1622, l='MpServer', x=26.97, y=80.00, z=14.94], abw['Cow'/1630, l='MpServer', x=44.84, y=81.00, z=17.00], cio['Mustek'/1384, l='MpServer', x=3.98, y=64.00, z=68.17], afw['Skeleton'/1646, l='MpServer', x=52.50, y=14.00, z=-9.50], afw['Skeleton'/1647, l='MpServer', x=48.75, y=13.00, z=-3.84], agi['Zombie'/1648, l='MpServer', x=49.50, y=14.00, z=-8.50], agi['Zombie'/1649, l='MpServer', x=49.50, y=13.00, z=-5.50], aer['Creeper'/1651, l='MpServer', x=50.50, y=84.00, z=-9.50], afw['Skeleton'/1652, l='MpServer', x=56.50, y=71.00, z=33.50], agi['Zombie'/1655, l='MpServer', x=77.16, y=76.00, z=31.25], aer['Creeper'/1656, l='MpServer', x=79.50, y=76.00, z=28.50], afw['Skeleton'/1662, l='MpServer', x=82.50, y=76.00, z=31.50], afw['Skeleton'/1158, l='MpServer', x=-2.50, y=22.00, z=52.50], agd['Spider'/1159, l='MpServer', x=-0.50, y=22.00, z=55.50], afw['Skeleton'/1160, l='MpServer', x=-15.06, y=16.00, z=54.41], afw['Skeleton'/1161, l='MpServer', x=-2.50, y=22.00, z=49.50], aer['Creeper'/1162, l='MpServer', x=-13.71, y=68.00, z=56.79], abs['Bat'/1163, l='MpServer', x=-8.47, y=28.10, z=87.25], abs['Bat'/1164, l='MpServer', x=-2.91, y=48.10, z=94.25], aer['Creeper'/1165, l='MpServer', x=-6.81, y=69.00, z=85.69], afw['Skeleton'/1166, l='MpServer', x=-12.50, y=63.00, z=121.50], acn['Sheep'/1167, l='MpServer', x=-14.72, y=70.00, z=126.19], acn['Sheep'/1168, l='MpServer', x=-11.63, y=76.00, z=126.19], acn['Sheep'/1169, l='MpServer', x=-6.84, y=78.00, z=132.66], acn['Sheep'/1170, l='MpServer', x=-14.50, y=78.00, z=140.50], acn['Sheep'/1171, l='MpServer', x=-8.56, y=77.00, z=138.47], aer['Creeper'/1182, l='MpServer', x=4.03, y=37.00, z=54.34], agi['Zombie'/1183, l='MpServer', x=6.03, y=41.00, z=48.69], agi['Zombie'/1184, l='MpServer', x=5.16, y=41.00, z=48.06], aer['Creeper'/1185, l='MpServer', x=12.56, y=53.00, z=53.97], abs['Bat'/1186, l='MpServer', x=5.53, y=34.10, z=68.75], agd['Spider'/1187, l='MpServer', x=8.13, y=32.00, z=68.69], aer['Creeper'/1198, l='MpServer', x=31.50, y=21.00, z=51.50], acq['Squid'/1199, l='MpServer', x=17.68, y=62.03, z=69.20], acq['Squid'/1200, l='MpServer', x=13.52, y=62.16, z=60.20], acq['Squid'/1201, l='MpServer', x=21.34, y=61.05, z=56.50], aer['Creeper'/1202, l='MpServer', x=25.41, y=43.00, z=66.86], aer['Creeper'/1203, l='MpServer', x=24.94, y=50.00, z=72.44], abs['Bat'/1204, l='MpServer', x=28.41, y=15.10, z=91.25], abs['Bat'/1205, l='MpServer', x=25.25, y=38.10, z=84.75], abs['Bat'/1206, l='MpServer', x=16.88, y=40.10, z=84.25], abs['Bat'/1207, l='MpServer', x=18.97, y=40.10, z=82.75], abs['Bat'/1208, l='MpServer', x=17.59, y=40.10, z=84.25], abs['Bat'/1209, l='MpServer', x=18.53, y=40.10, z=82.75], acq['Squid'/1210, l='MpServer', x=17.81, y=62.17, z=82.97], agh['Witch'/1211, l='MpServer', x=18.81, y=62.06, z=95.64], abw['Cow'/1212, l='MpServer', x=31.16, y=68.00, z=109.16], agi['Zombie'/1213, l='MpServer', x=30.50, y=70.00, z=140.50], aer['Creeper'/1224, l='MpServer', x=32.50, y=41.00, z=77.50], abs['Bat'/1225, l='MpServer', x=46.88, y=32.10, z=81.56], aer['Creeper'/1226, l='MpServer', x=36.50, y=41.00, z=78.50], aer['Creeper'/1227, l='MpServer', x=43.50, y=61.00, z=66.50], ady['item.item.dyePowder.black'/1228, l='MpServer', x=33.16, y=51.00, z=74.06], afw['Skeleton'/1229, l='MpServer', x=35.50, y=16.00, z=86.50], afw['Skeleton'/1230, l='MpServer', x=42.50, y=35.00, z=85.50], afw['Skeleton'/1231, l='MpServer', x=39.50, y=35.00, z=84.50], afw['Skeleton'/1232, l='MpServer', x=37.81, y=15.00, z=109.43], abw['Cow'/1233, l='MpServer', x=45.22, y=69.00, z=123.19], abw['Cow'/1234, l='MpServer', x=41.50, y=69.00, z=137.72], abs['Bat'/1244, l='MpServer', x=59.50, y=45.00, z=62.50], afw['Skeleton'/1245, l='MpServer', x=62.50, y=50.00, z=51.50], afw['Skeleton'/1246, l='MpServer', x=53.06, y=32.00, z=80.44], abw['Cow'/1247, l='MpServer', x=48.03, y=68.00, z=142.03], agi['Zombie'/1255, l='MpServer', x=72.50, y=63.00, z=54.50], afw['Skeleton'/1256, l='MpServer', x=69.50, y=19.00, z=76.50], agi['Zombie'/1257, l='MpServer', x=79.50, y=45.00, z=93.50], agi['Zombie'/1258, l='MpServer', x=78.50, y=45.00, z=91.50], acn['Sheep'/1529, l='MpServer', x=-66.34, y=68.00, z=-0.44], abw['Cow'/1531, l='MpServer', x=-75.00, y=77.00, z=42.13], abw['Cow'/1532, l='MpServer', x=-68.72, y=78.00, z=60.44], afw['Skeleton'/1533, l='MpServer', x=-66.09, y=87.00, z=110.56]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at cen.a(SourceFile:308)
	at bst.b(SourceFile:2287)
	at bst.a(SourceFile:335)
	at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
	Minecraft Version: 1.8.2-pre1
	Operating System: Windows 8.1 (amd64) version 6.3
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 628906736 bytes (599 MB) / 1091227648 bytes (1040 MB) up to 2093809664 bytes (1996 MB)
	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn512M
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Launched Version: 1.8.2-pre1
	LWJGL: 2.9.1
	OpenGL: GeForce GTX 770/PCIe/SSE2 GL version 4.4.0 NVIDIA 344.48, NVIDIA Corporation
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: Yes
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)

Confirmed for 1.8.2 pre 2

Confirmed for 1.8.7. This will occur for any data value whose last two bits are 10 or 11.

Confirmed for 15w51b.

15w51b server log

[14:26:27] [Server thread/INFO]: [@: Given [Oak Wood] * 1 to __null]
[14:26:28] [Server thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: Cannot set property arj{name=variant, clazz=class anc$a, values=[acacia, dark_oak]} to oak on block minecraft:log2, it is not an allowed value
	at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_60]
	at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_60]
	at g.a(SourceFile:46) [minecraft_server.jar:?]
	at net.minecraft.server.MinecraftServer.D(SourceFile:597) [minecraft_server.jar:?]
	at la.D(SourceFile:339) [minecraft_server.jar:?]
	at net.minecraft.server.MinecraftServer.C(SourceFile:553) [minecraft_server.jar:?]
	at net.minecraft.server.MinecraftServer.run(SourceFile:457) [minecraft_server.jar:?]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]
Caused by: java.lang.IllegalArgumentException: Cannot set property arj{name=variant, clazz=class anc$a, values=[acacia, dark_oak]} to oak on block minecraft:log2, it is not an allowed value
	at aqx$a.a(SourceFile:177) ~[minecraft_server.jar:?]
	at amu.a(SourceFile:54) ~[minecraft_server.jar:?]
	at amj.a(SourceFile:51) ~[minecraft_server.jar:?]
	at abx.a(SourceFile:49) ~[minecraft_server.jar:?]
	at adm.a(SourceFile:134) ~[minecraft_server.jar:?]
	at ls.a(SourceFile:337) ~[minecraft_server.jar:?]
	at mb.a(SourceFile:620) ~[minecraft_server.jar:?]
	at jg.a(SourceFile:55) ~[minecraft_server.jar:?]
	at jg.a(SourceFile:11) ~[minecraft_server.jar:?]
	at fh$1.run(SourceFile:13) ~[minecraft_server.jar:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_60]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_60]
	at g.a(SourceFile:45) ~[minecraft_server.jar:?]
	... 5 more
[14:26:29] [Server thread/INFO]: __null lost connection: TextComponent{text='Disconnected', siblings=[], style=Style{hasParent=false, color=null, bold=null, italic=null, underlined=null, obfuscated=null, clickEvent=null, hoverEvent=null, insertion=null}}
[14:26:29] [Server thread/INFO]: __null left the game

15w51b client crash report

---- Minecraft Crash Report ----
// I feel sad now :(

Time: 23/12/15 2:26 PM
Description: Unexpected error

java.lang.IllegalArgumentException: Cannot set property arj{name=variant, clazz=class anc$a, values=[acacia, dark_oak]} to oak on block minecraft:log2, it is not an allowed value
	at aqx$a.a(SourceFile:177)
	at amu.a(SourceFile:54)
	at amj.a(SourceFile:51)
	at abx.a(SourceFile:49)
	at adm.a(SourceFile:134)
	at bki.a(SourceFile:345)
	at bcb.au(SourceFile:1429)
	at bcb.ax(SourceFile:1934)
	at bcb.aw(SourceFile:1752)
	at bcb.s(SourceFile:1596)
	at bcb.as(SourceFile:942)
	at bcb.a(SourceFile:386)
	at net.minecraft.client.main.Main.main(SourceFile:122)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at aqx$a.a(SourceFile:177)
	at amu.a(SourceFile:54)
	at amj.a(SourceFile:51)
	at abx.a(SourceFile:49)
	at adm.a(SourceFile:134)
	at bki.a(SourceFile:345)
	at bcb.au(SourceFile:1429)
	at bcb.ax(SourceFile:1934)
	at bcb.aw(SourceFile:1752)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bmi['__null'/1, l='MpServer', x=-2.42, y=65.00, z=5.19]]
	Chunk stats: MultiplayerChunkCache: 81, 81
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (0,64,0), Chunk: (at 0,4,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 168555 game time, 2188 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 3 total; [bmi['__null'/1, l='MpServer', x=-2.42, y=65.00, z=5.19], zd['Slime'/0, l='MpServer', x=-11.06, y=64.00, z=7.94], yc['container.minecart'/23, l='MpServer', x=-19.50, y=64.06, z=7.50]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Non-integrated multiplayer server
Stacktrace:
	at bkj.a(SourceFile:364)
	at bcb.b(SourceFile:2496)
	at bcb.a(SourceFile:400)
	at net.minecraft.client.main.Main.main(SourceFile:122)

-- System Details --
Details:
	Minecraft Version: 15w51b
	Operating System: Mac OS X (x86_64) version 10.11.2
	Java Version: 1.8.0_60, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 775050080 bytes (739 MB) / 1020788736 bytes (973 MB) up to 1020788736 bytes (973 MB)
	JVM Flags: 3 total; -Xms1G -Xmx1G -Xmn512M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 15w51b
	LWJGL: 2.9.2
	OpenGL: AMD Radeon R9 M290 OpenGL Engine GL version 2.1 ATI-1.40.15, ATI Technologies Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: Yes
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: 
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	CPU: 4x Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz

Confirmed for 16w02a.

Confirmed for 1.9.1-pre3.

Confirmed for 1.9.3-pre3.

Confirmed for 1.9.4.

Confirmed for 16w20a.

Confirmed for 16w21a.

Confirmed for 16w21b.

Confirmed for 1.10-pre1.

Confirmed for 1.10-pre2.

Confirmed for 1.10.

Confirmed for 1.10.1.