`SIGILL` only happened on addresses between `0x40-0x7f` and `0xc0-0xff`

gistfile1.txt

$ grep SIGILL *.log
assert-03.log:F/libc           (14109): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f618d6b44 in tid 14520 (Threadpool work)
assert-03.log:F/DEBUG          ( 3149): signal 4 (SIGILL), code 1 (ILL_ILLOPC), fault addr 0x7f618d6ee0
assert-04.log:F/libc           (14106): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f6222f8d0 in tid 14527 (Threadpool work)
assert-05.log:F/libc           (13082): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f4c034a50 in tid 13082 (.benchmarkagent)
assert-05.log:F/DEBUG          ( 3138): signal 4 (SIGILL), code 1 (ILL_ILLOPC), fault addr 0x7f4c0259f0
assert-06.log:F/libc           (13239): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f8d7f9fe0 in tid 13661 (Threadpool work)
assert-07.log:F/libc           (13029): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f4e08d1f8 in tid 13087 (Finalizer)
custom_01.log:E/mono           (13964): SIGILL at ip=0x0000007f4f15e8d0
custom_02.log:E/mono           (13088): SIGILL at ip=0x0000007f8ff76cc0
custom_03.log:E/mono           (12824): SIGILL at ip=0x0000007f68e93c70
custom_04.log:E/mono           (12876): SIGILL at ip=0x0000007f4b3d55f0
custom_05.log:E/mono           (13008): SIGILL at ip=0x0000007f8df1e8d0
custom_06.log:E/mono           (14093): SIGILL at ip=0x0000007f6c21edf0
damn_01.log:E/mono             (13010): SIGILL at ip=0x0000007f8de2b1c8 (0x0000000000000000)
damn_02.log:E/mono             (13180): SIGILL at ip=0x0000007f6b6c6458 (0x0000000000000000)
damn_03.log:E/mono             (14943): SIGILL at ip=0x0000007f584e1fe8 (0x0000000000000000)
damn_04.log:E/mono             (13622): SIGILL at ip=0x0000007f686349f0 (0x0000000000000000)
detail_01.log:E/mono           (12878): SIGILL at ip=0x0000007f579f09f0
detail_02.log:E/mono           (14190): SIGILL at ip=0x0000007f7a5b39f0
hexdump_01.log:E/mono          (13670): SIGILL at ip=0x0000007f831059f0
hexdump_02.log:E/mono          (13919): SIGILL at ip=0x0000007f6f1ec8d0
hexdump_03.log:E/mono          (13508): SIGILL at ip=0x0000007f4b24e8d0
improssible.log:E/mono         (14815): SIGILL at ip=0x0000007f90031458 (0x0000000000000000)
info0verflow_00.log:E/mono     (13037): SIGILL at ip=0x0000007f50694458 (0x0000000000000000)
info1overflow_01.log:E/mono    (14099): SIGILL at ip=0x0000007f5fde4068 (0x0000000000000000)
info2overflow_00.log:E/mono    (14404): SIGILL at ip=0x0000007f531f5ee0 (0x0000000000000000)
info2overflow_01.log:E/mono    (14619): SIGILL at ip=0x0000007f626239f0 (0x0000000000000000)
real_deal_00.log:E/mono        (13200): SIGILL at ip=0x0000007f4a0a49f0 (0x0000000000000000)
real_deal_01.log:E/mono        (13100): SIGILL at ip=0x0000007f57f2e8d0 (0x0000000000000000)
rt-logging-01.log:F/libc       (13762): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f5186b9f0 in tid 13762 (.benchmarkagent)
rt-logging-03.log:F/libc       (13537): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f4e1ec8d0 in tid 13953 (Threadpool work)
rt-logging-04.log:F/libc       (13695): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f719d09f0 in tid 13695 (.benchmarkagent)
rt-logging-06.log:F/libc       (13257): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f471b49f0 in tid 13257 (.benchmarkagent)
rt-logging-07.log:F/libc       (13005): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f804926c0 in tid 13005 (.benchmarkagent)
rt-logging-07.log:F/DEBUG      ( 3138): signal 4 (SIGILL), code 1 (ILL_ILLOPC), fault addr 0x7f804926d8
rt-logging-08.log:F/libc       (13015): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f69551a50 in tid 13015 (.benchmarkagent)
rt-logging-11.log:F/libc       (13015): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f69551a50 in tid 13015 (.benchmarkagent)
rt-logging-12.log:F/libc       (13438): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f8bee2b78 in tid 13864 (Threadpool work)
rt-logging-13.log:F/libc       (13345): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f80b2e3e8 in tid 13345 (.benchmarkagent)
rt-logging-14.log:F/libc       (14866): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f64034a50 in tid 14866 (.benchmarkagent)
rt-logging-14.log:F/DEBUG      ( 3148): signal 4 (SIGILL), code 1 (ILL_ILLOPC), fault addr 0x7f640259f0
rt-logging-16.log:F/libc       (13265): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f86235a50 in tid 13265 (.benchmarkagent)
rt-logging-17.log:F/libc       (13130): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f6fbb59f0 in tid 13130 (.benchmarkagent)
rt-logging-18.log:F/libc       (13117): Fatal signal 4 (SIGILL), code 1, fault addr 0x7f8fe7b460 in tid 13541 (Threadpool work)