# crasher SIGFPE


08-03 13:04:31.520  2555  2555 F libc    : Fatal signal 8 (SIGFPE), code -6 (SI_TKILL) in tid 2555 (crasher), pid 2555 (crasher)
08-03 13:04:31.570  2558  2558 I crash_dump32: obtaining output fd from tombstoned, type: kDebuggerdTombstone
08-03 13:04:31.571   191   191 I /system/bin/tombstoned: received crash request for pid 2555
08-03 13:04:31.572  2558  2558 I crash_dump32: performing dump of process 2555 (target tid = 2555)
08-03 13:04:31.576  2558  2558 F DEBUG   : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
08-03 13:04:31.576  2558  2558 F DEBUG   : LineageOS Version: '16.0-20200803-UNOFFICIAL-rpi3'
08-03 13:04:31.576  2558  2558 F DEBUG   : Build fingerprint: 'Raspberry/lineage_rpi3/rpi3:9/PQ3A.190801.002/fdbai08031438:userdebug/test-keys'
08-03 13:04:31.576  2558  2558 F DEBUG   : Revision: '0'
08-03 13:04:31.577  2558  2558 F DEBUG   : ABI: 'arm'
08-03 13:04:31.577  2558  2558 F DEBUG   : pid: 2555, tid: 2555, name: crasher  >>> crasher <<<
08-03 13:04:31.577  2558  2558 F DEBUG   : signal 8 (SIGFPE), code -6 (SI_TKILL), fault addr --------
08-03 13:04:31.577  2558  2558 F DEBUG   :     r0  00000000  r1  000009fb  r2  00000008  r3  b9fbb339
08-03 13:04:31.577  2558  2558 F DEBUG   :     r4  b9fbb339  r5  ffcb52a4  r6  00000002  r7  0000010c
08-03 13:04:31.577  2558  2558 F DEBUG   :     r8  00000000  r9  00000000  r10 00000000  r11 00000000
08-03 13:04:31.577  2558  2558 F DEBUG   :     ip  ffcb52b0  sp  ffcb50d0  lr  b9fba70d  pc  f0f9fba8
08-03 13:04:31.582  2558  2558 F DEBUG   :
08-03 13:04:31.582  2558  2558 F DEBUG   : backtrace:
08-03 13:04:31.582  2558  2558 F DEBUG   :     #00 pc 00055ba8  /system/lib/libc.so (tgkill+12)
08-03 13:04:31.583  2558  2558 F DEBUG   :     #01 pc 00001709  /system/bin/crasher (do_action+1236)
08-03 13:04:31.583  2558  2558 F DEBUG   :     #02 pc 0000237d  /system/bin/crasher (main+68)
08-03 13:04:31.583  2558  2558 F DEBUG   :     #03 pc 00088bc1  /system/lib/libc.so (__libc_init+48)
08-03 13:04:31.583  2558  2558 F DEBUG   :     #04 pc 00001097  /system/bin/crasher (_start_main+38)
08-03 13:04:31.583  2558  2558 F DEBUG   :     #05 pc 00000306  <anonymous:f1284000>
08-03 13:04:31.615   289   476 W NativeCrashListener: Couldn't find ProcessRecord for pid 2555
08-03 13:04:31.616   191   191 E /system/bin/tombstoned: Tombstone written to: /data/tombstones/tombstone_12
08-03 13:04:31.623   289   309 I BootReceiver: Copying /data/tombstones/tombstone_12 to DropBox (SYSTEM_TOMBSTONE)


$ cat tombstone_12
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
LineageOS Version: '16.0-20200803-UNOFFICIAL-rpi3'
Build fingerprint: 'Raspberry/lineage_rpi3/rpi3:9/PQ3A.190801.002/fdbai08031438:userdebug/test-keys'
Revision: '0'
ABI: 'arm'
pid: 2555, tid: 2555, name: crasher  >>> crasher <<<
signal 8 (SIGFPE), code -6 (SI_TKILL), fault addr --------
    r0  00000000  r1  000009fb  r2  00000008  r3  b9fbb339
    r4  b9fbb339  r5  ffcb52a4  r6  00000002  r7  0000010c
    r8  00000000  r9  00000000  r10 00000000  r11 00000000
    ip  ffcb52b0  sp  ffcb50d0  lr  b9fba70d  pc  f0f9fba8

backtrace:
    #00 pc 00055ba8  /system/lib/libc.so (tgkill+12)
    #01 pc 00001709  /system/bin/crasher (do_action+1236)
    #02 pc 0000237d  /system/bin/crasher (main+68)
    #03 pc 00088bc1  /system/lib/libc.so (__libc_init+48)
    #04 pc 00001097  /system/bin/crasher (_start_main+38)
    #05 pc 00000306  <anonymous:f1284000>

stack:
         ffcb5090  00000000
         ffcb5094  00000000
         ffcb5098  00000000
         ffcb509c  00000000
         ffcb50a0  00000000
         ffcb50a4  00000000
         ffcb50a8  00000000
         ffcb50ac  00000000
         ffcb50b0  00000008
         ffcb50b4  000009fb
         ffcb50b8  00000002
         ffcb50bc  ffcb52b0  [stack]
         ffcb50c0  b9fbb339  /system/bin/crasher (main)
         ffcb50c4  ffcb52a4  [stack]
         ffcb50c8  ffcb52b0  [stack]
         ffcb50cc  b9fba70d  /system/bin/crasher (do_action+1240)
    #00  ffcb50d0  00000000
         ........  ........
    #01  ffcb50d0  00000000
         ........  ........
    #02  ffcb5248  00000000
         ........  ........
    #03  ffcb5270  f11b2090  [anon:linker_alloc_small_objects]
         ........  ........
    #04  ffcb5288  00000000
         ........  ........
    #05  ffcb52a0  00000002
         ffcb52a4  ffcb5b34  [stack]
         ffcb52a8  ffcb5b3c  [stack]
         ffcb52ac  00000000
         ffcb52b0  ffcb5b43  [stack]
         ffcb52b4  ffcb5b59  [stack]
         ffcb52b8  ffcb5b6c  [stack]
         ffcb52bc  ffcb5b73  [stack]
         ffcb52c0  ffcb5b8c  [stack]
         ffcb52c4  ffcb5ba1  [stack]
         ffcb52c8  ffcb5bb4  [stack]
         ffcb52cc  ffcb5bcf  [stack]
         ffcb52d0  ffcb5be4  [stack]
         ffcb52d4  ffcb5e22  [stack]
         ffcb52d8  ffcb5e3c  [stack]
         ffcb52dc  ffcb5e55  [stack]

memory near r3 (/system/bin/crasher):
    b9fbb318 00002ea0 00002ec4 00002ee7 00002f02  ............./..
    b9fbb328 00002f20 00002f4b 00002f6d 00002f8a   /..K/..m/.../..
    b9fbb338 b088b580 4603460a c068f8df f8dc44fc  .....F.F..h..D..
    b9fbb348 f8dcc000 f8cdc000 f04fc01c f8cd0c00  ..........O.....
    b9fbb358 9005c018 98059104 92032801 d1039302  .........(......
    b9fbb368 f002e7ff e00af89d 28029805 e7ffd106  ...........(....
    b9fbb378 68409804 ff5af7fe e0049006 f7ffe7ff  ..@h..Z.........
    b9fbb388 9006fdb5 9806e7ff 44794907 68096809  .........IyD.h.h
    b9fbb398 42919a07 d1039001 9801e7ff bd80b008  ...B............
    b9fbb3a8 ff66f001 00004bc0 00004b72 b0aab510  ..f..K..rK......
    b9fbb3b8 468c4613 4c604686 6824447c 94296824  .F.F.F`L|D$h$h).
    b9fbb3c8 91119012 99129210 900fa826 f8cd930e  ........&.......
    b9fbb3d8 f8cdc034 f002e030 980ff86b 99139013  4...0...k.......
    b9fbb3e8 07c97809 f0002900 e7ff8094 a9249812  .x...)........$.
    b9fbb3f8 90189119 99189819 f852680a 44112c0c  .........hR..,.D
    b9fbb408 991a911a 991b911b 60016989 98129911  .........i.`....

memory near r4 (/system/bin/crasher):
    b9fbb318 00002ea0 00002ec4 00002ee7 00002f02  ............./..
    b9fbb328 00002f20 00002f4b 00002f6d 00002f8a   /..K/..m/.../..
    b9fbb338 b088b580 4603460a c068f8df f8dc44fc  .....F.F..h..D..
    b9fbb348 f8dcc000 f8cdc000 f04fc01c f8cd0c00  ..........O.....
    b9fbb358 9005c018 98059104 92032801 d1039302  .........(......
    b9fbb368 f002e7ff e00af89d 28029805 e7ffd106  ...........(....
    b9fbb378 68409804 ff5af7fe e0049006 f7ffe7ff  ..@h..Z.........
    b9fbb388 9006fdb5 9806e7ff 44794907 68096809  .........IyD.h.h
    b9fbb398 42919a07 d1039001 9801e7ff bd80b008  ...B............
    b9fbb3a8 ff66f001 00004bc0 00004b72 b0aab510  ..f..K..rK......
    b9fbb3b8 468c4613 4c604686 6824447c 94296824  .F.F.F`L|D$h$h).
    b9fbb3c8 91119012 99129210 900fa826 f8cd930e  ........&.......
    b9fbb3d8 f8cdc034 f002e030 980ff86b 99139013  4...0...k.......
    b9fbb3e8 07c97809 f0002900 e7ff8094 a9249812  .x...)........$.
    b9fbb3f8 90189119 99189819 f852680a 44112c0c  .........hR..,.D
    b9fbb408 991a911a 991b911b 60016989 98129911  .........i.`....

memory near r5 ([stack]):
    ffcb5284 b9fba09b 00000000 b9fbfd68 b9fbfd70  ........h...p...
    ffcb5294 b9fbfd78 00000000 f1284308 00000002  x........C(.....
    ffcb52a4 ffcb5b34 ffcb5b3c 00000000 ffcb5b43  4[..<[......C[..
    ffcb52b4 ffcb5b59 ffcb5b6c ffcb5b73 ffcb5b8c  Y[..l[..s[...[..
    ffcb52c4 ffcb5ba1 ffcb5bb4 ffcb5bcf ffcb5be4  .[...[...[...[..
    ffcb52d4 ffcb5e22 ffcb5e3c ffcb5e55 ffcb5ea8  "^..<^..U^...^..
    ffcb52e4 ffcb5fb5 ffcb5fd0 00000000 00000010  ._..._..........
    ffcb52f4 0037b0d6 00000006 00001000 00000011  ..7.............
    ffcb5304 00000064 00000003 b9fb9034 00000004  d.......4.......
    ffcb5314 00000020 00000005 00000009 00000007   ...............
    ffcb5324 f11bf000 00000008 00000000 00000009  ................
    ffcb5334 b9fba069 0000000b 00000000 0000000c  i...............
    ffcb5344 00000000 0000000d 00000000 0000000e  ................
    ffcb5354 00000000 00000017 00000000 00000019  ................
    ffcb5364 ffcb538c 0000001a 00000010 0000001f  .S..............
    ffcb5374 ffcb5fe4 0000000f ffcb539c 00000000  ._.......S......

memory near ip ([stack]):
    ffcb5290 b9fbfd70 b9fbfd78 00000000 f1284308  p...x........C(.
    ffcb52a0 00000002 ffcb5b34 ffcb5b3c 00000000  ....4[..<[......
    ffcb52b0 ffcb5b43 ffcb5b59 ffcb5b6c ffcb5b73  C[..Y[..l[..s[..
    ffcb52c0 ffcb5b8c ffcb5ba1 ffcb5bb4 ffcb5bcf  .[...[...[...[..
    ffcb52d0 ffcb5be4 ffcb5e22 ffcb5e3c ffcb5e55  .[.."^..<^..U^..
    ffcb52e0 ffcb5ea8 ffcb5fb5 ffcb5fd0 00000000  .^..._..._......
    ffcb52f0 00000010 0037b0d6 00000006 00001000  ......7.........
    ffcb5300 00000011 00000064 00000003 b9fb9034  ....d.......4...
    ffcb5310 00000004 00000020 00000005 00000009  .... ...........
    ffcb5320 00000007 f11bf000 00000008 00000000  ................
    ffcb5330 00000009 b9fba069 0000000b 00000000  ....i...........
    ffcb5340 0000000c 00000000 0000000d 00000000  ................
    ffcb5350 0000000e 00000000 00000017 00000000  ................
    ffcb5360 00000019 ffcb538c 0000001a 00000010  .....S..........
    ffcb5370 0000001f ffcb5fe4 0000000f ffcb539c  ....._.......S..
    ffcb5380 00000000 00000000 00000000 5263e077  ............w.cR

memory near sp ([stack]):
    ffcb50b0 00000008 000009fb 00000002 ffcb52b0  .............R..
    ffcb50c0 b9fbb339 ffcb52a4 ffcb52b0 b9fba70d  9....R...R......
    ffcb50d0 00000000 00000000 00000000 00000000  ................
    ffcb50e0 00000000 00000000 00000000 00000000  ................
    ffcb50f0 00000000 00000000 00000000 00000000  ................
    ffcb5100 00000000 00000000 00000000 00000000  ................
    ffcb5110 00000000 00000000 00000000 00000000  ................
    ffcb5120 00000000 00000000 00000000 00000000  ................
    ffcb5130 00000000 00000000 00000000 00000000  ................
    ffcb5140 00000000 00000000 00000000 00000000  ................
    ffcb5150 00000000 00000000 00000000 00000000  ................
    ffcb5160 00000000 00000000 00000007 b9fbd86a  ............j...
    ffcb5170 ffcb5b3c 00000000 00000000 0000000a  <[..............
    ffcb5180 b9fbd855 ffcb5b3c 00000000 00000000  U...<[..........
    ffcb5190 00000005 b9fbd84f ffcb5b3c ffcb5b3c  ....O...<[..<[..
    ffcb51a0 00000000 00000000 00000000 00000000  ................

memory near lr (/system/bin/crasher):
    b9fba6ec 447b3374 fe72f002 f8df9838 4479136c  t3{D..r.8...l.yD
    b9fba6fc fe04f002 d1092800 2008e7ff fe1ef002  .....(..... ....
    b9fba70c 0e00f04f e0e4f8cd e1479015 f8df9838  O.........G.8...
    b9fba71c 4479134c fdf2f002 d1092800 2005e7ff  L.yD.....(.....
    b9fba72c fe0cf002 0e00f04f e0e4f8cd e1359014  ....O.........5.
    b9fba73c 49cb9838 f0024479 2800fde1 e7ffd103  8..IyD.....(....
    b9fba74c fab4f000 9838e104 447949c6 fdd6f002  ......8..IyD....
    b9fba75c d1032800 f000e7ff e0f8fac7 49c29838  .(..........8..I
    b9fba76c f0024479 2800fdcb e7ffd104 fad6f000  yD.....(........
    b9fba77c e1139039 49bd9838 f0024479 2800fdbf  9...8..IyD.....(
    b9fba78c e7ffd107 90132000 f0029913 9039fe27  ..... ......'.9.
    b9fba79c 9838e104 447949b6 fdb0f002 d1032800  ..8..IyD.....(..
    b9fba7ac f000e7ff e0cffa37 49b29838 f0024479  ....7...8..IyD..
    b9fba7bc 2800fda5 e7ffd103 fa46f000 9838e0c3  ...(......F...8.
    b9fba7cc 447949ad fd9af002 d1182800 4668e7ff  .IyD.....(....hF
    b9fba7dc 60412100 32fff04f 20046002 23212203  .!A`O..2.`. ."!#

memory near pc (/system/lib/libc.so):
    f0f9fb88 e1a0700c e3700a01 912fff1e e2600000  .p....p.../...`.
    f0f9fb98 ea00d7b5 e1a0c007 e3a07f43 ef000000  ........C.......
    f0f9fba8 e1a0700c e3700a01 912fff1e e2600000  .p....p.../...`.
    f0f9fbb8 ea00d7ad e1a0c007 e300715e ef000000  ........^q......
    f0f9fbc8 e1a0700c e3700a01 912fff1e e2600000  .p....p.../...`.
    f0f9fbd8 ea00d7a5 e1a0c007 e3007162 ef000000  ........bq......
    f0f9fbe8 e1a0700c e3700a01 912fff1e e2600000  .p....p.../...`.
    f0f9fbf8 ea00d79d e1a0c007 e3007161 ef000000  ........aq......
    f0f9fc08 e1a0700c e3700a01 912fff1e e2600000  .p....p.../...`.
    f0f9fc18 ea00d795 e1a0c007 e3a0702b ef000000  ........+p......
    f0f9fc28 e1a0700c e3700a01 912fff1e e2600000  .p....p.../...`.
    f0f9fc38 ea00d78d e1a0c007 e3a0705c ef000000  ........\p......
    f0f9fc48 e1a0700c e3700a01 912fff1e e2600000  .p....p.../...`.
    f0f9fc58 ea00d785 e1a0c007 e3a070c1 ef000000  .........p......
    f0f9fc68 e1a0700c e3700a01 912fff1e e2600000  .p....p.../...`.
    f0f9fc78 ea00d77d e1a0c007 e3a0703c ef000000  }.......<p......

memory map (74 entries):
    b9fb9000-b9fbefff r-x         0      6000  /system/bin/crasher (BuildId: 0010fd95b7581f4e265174dac195196d)
    b9fbf000-b9fbffff r--      5000      1000  /system/bin/crasher
    b9fc0000-b9fc0fff rw-         0      1000
    f0cea000-f0cedfff r-x         0      4000  /system/lib/libnetd_client.so (BuildId: 72d07c9629027b0a6d40c5c99f1df0a3)
    f0cee000-f0ceefff r--      3000      1000  /system/lib/libnetd_client.so
    f0cef000-f0ceffff rw-      4000      1000  /system/lib/libnetd_client.so
    f0d00000-f0dfffff rw-         0    100000  [anon:libc_malloc]
    f0e14000-f0e27fff r-x         0     14000  /system/lib/liblog.so (BuildId: deaad76fe8564f670472555cec07cb4a)
    f0e28000-f0e28fff r--     13000      1000  /system/lib/liblog.so
    f0e29000-f0e29fff rw-     14000      1000  /system/lib/liblog.so
    f0e54000-f0ee6fff r-x         0     93000  /system/lib/libc++.so (BuildId: 0b27623fc2d89c5444acc59d3f31a514) (load bias 0x3000)
    f0ee7000-f0ee7fff ---         0      1000
    f0ee8000-f0eecfff r--     93000      5000  /system/lib/libc++.so (load bias 0x3000)
    f0eed000-f0eedfff rw-     98000      1000  /system/lib/libc++.so (load bias 0x3000)
    f0eee000-f0eeefff rw-         0      1000  [anon:.bss]
    f0f05000-f0f24fff r-x         0     20000  /system/lib/libm.so (BuildId: e7d0b8f9a43d77b74e49c5fc0796262f)
    f0f25000-f0f25fff r--     1f000      1000  /system/lib/libm.so
    f0f26000-f0f26fff rw-     20000      1000  /system/lib/libm.so
    f0f4a000-f0fe8fff r-x         0     9f000  /system/lib/libc.so (BuildId: 23e9d9759243df47d85724886cb52ce2)
    f0fe9000-f0fecfff r--     9e000      4000  /system/lib/libc.so
    f0fed000-f0feefff rw-     a2000      2000  /system/lib/libc.so
    f0fef000-f0feffff rw-         0      1000  [anon:.bss]
    f0ff0000-f0ff0fff r--         0      1000  [anon:.bss]
    f0ff1000-f0ff7fff rw-         0      7000  [anon:.bss]
    f100a000-f100afff r-x         0      1000  /system/lib/libdl.so (BuildId: 676a0450f6cc27cf2554a3d1634fc4fe)
    f100b000-f100bfff r--      1000      1000  /system/lib/libdl.so
    f100c000-f100cfff rw-         0      1000  [anon:.bss]
    f105f000-f106dfff r-x         0      f000  /system/lib/libbase.so (BuildId: 134fd9b8cd8f2f4ea7304be5857cf27b)
    f106e000-f106efff r--      e000      1000  /system/lib/libbase.so
    f106f000-f106ffff rw-      f000      1000  /system/lib/libbase.so
    f10b1000-f10b8fff r-x         0      8000  /system/lib/libseccomp_policy.so (BuildId: 4518d6e4b5fda834dfdcf4a8f3b2789d)
    f10b9000-f10b9fff r--      7000      1000  /system/lib/libseccomp_policy.so
    f10ba000-f10bafff rw-      8000      1000  /system/lib/libseccomp_policy.so
    f10f3000-f10f3fff rw-         0      1000  [anon:linker_alloc]
    f10fa000-f10fafff r--         0      1000  [anon:atexit handlers]
    f10fb000-f10fbfff r--         0      1000  [anon:linker_alloc]
    f10fc000-f111bfff r--         0     20000  /dev/__properties__/u:object_r:default_prop:s0
    f111c000-f113bfff r--         0     20000  /dev/__properties__/properties_serial
    f113c000-f113cfff rw-         0      1000  [anon:System property context nodes]
    f113d000-f113ffff r--         0      3000  /dev/__properties__/property_info
    f1140000-f1141fff rw-         0      2000  [anon:linker_alloc_vector]
    f1142000-f1142fff rw-         0      1000  [anon:linker_alloc_small_objects]
    f1143000-f1143fff rw-         0      1000  [anon:arc4random data]
    f1144000-f1144fff rw-         0      1000  [anon:linker_alloc_vector]
    f1145000-f1145fff rw-         0      1000  [anon:linker_alloc]
    f1146000-f1165fff r--         0     20000  /dev/__properties__/u:object_r:default_prop:s0
    f1166000-f1166fff r--         0      1000  [anon:linker_alloc]
    f1167000-f1186fff r--         0     20000  /dev/__properties__/u:object_r:debug_prop:s0
    f1187000-f1187fff ---         0      1000
    f1188000-f1188fff rw-         0      1000
    f1189000-f1189fff ---         0      1000
    f118a000-f11a9fff r--         0     20000  /dev/__properties__/properties_serial
    f11aa000-f11aafff rw-         0      1000  [anon:System property context nodes]
    f11ab000-f11adfff r--         0      3000  /dev/__properties__/property_info
    f11ae000-f11aefff r--         0      1000  [anon:linker_alloc]
    f11af000-f11affff rw-         0      1000  [anon:linker_alloc_vector]
    f11b0000-f11b0fff rw-         0      1000  [anon:linker_alloc_small_objects]
    f11b1000-f11b1fff rw-         0      1000  [anon:linker_alloc_vector]
    f11b2000-f11b2fff rw-         0      1000  [anon:linker_alloc_small_objects]
    f11b3000-f11b3fff r--         0      1000  [anon:atexit handlers]
    f11b4000-f11b4fff ---         0      1000
    f11b5000-f11b8fff rw-         0      4000  [anon:thread signal stack]
    f11b9000-f11b9fff rw-         0      1000  [anon:arc4random data]
    f11ba000-f11bafff ---         0      1000
    f11bb000-f11bdfff rw-         0      3000
    f11be000-f11befff ---         0      1000
    f11bf000-f127cfff r-x         0     be000  /system/bin/linker (BuildId: 0c838a22790b1a897ca50303f17dce1e)
    f127d000-f1282fff r--     bd000      6000  /system/bin/linker
    f1283000-f1283fff rw-     c3000      1000  /system/bin/linker
    f1284000-f1285fff rw-         0      2000
    f1286000-f1286fff r--         0      1000
    f1287000-f128cfff rw-         0      6000
    ffc95000-ffcb5fff rw-         0     21000  [stack]
    ffff0000-ffff0fff r-x         0      1000  [vectors]

open files:
    fd 0: /dev/pts/0
    fd 1: /dev/pts/0
    fd 2: /dev/pts/0