[Galaxy S 4 i9505 Original Android Development] chenxiaolong:
After waiting 6 hours for my syncdaemon program (individual app sharing) to crash, I finally got a proper backtrace in the logs. Time to go fix some memory access issues ;) Once those are fixed, hopefully individual app sharing will work 100% perfectly.

08-11 22:46:25.616 F/libc ( 227): Fatal signal 6 (SIGABRT) at 0x000000e3 (code=-6), thread 227 (syncdaemon)
08-11 22:46:25.936 W/NativeCrashListener( 816): Couldn't find ProcessRecord for pid 227
08-11 22:46:25.936 I/DEBUG ( 219): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
08-11 22:46:25.936 I/DEBUG ( 219): Build fingerprint: 'fingerprint: google/hammerhead/hammerhead:4.4.4/KTU84P/1227136:user/release-keys'
08-11 22:46:25.936 I/DEBUG ( 219): Revision: '11'
08-11 22:46:25.936 I/DEBUG ( 219): pid: 227, tid: 227, name: syncdaemon >>> /sbin/syncdaemon <<<
08-11 22:46:25.936 I/DEBUG ( 219): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
08-11 22:46:25.936 I/DEBUG ( 219): r0 00000000 r1 000000e3 r2 00000006 r3 b6ef8154
08-11 22:46:25.936 I/DEBUG ( 219): AM write failure (32 / Broken pipe)
08-11 22:46:25.936 I/DEBUG ( 219): r4 b6ef7f2c r5 00000006 r6 00000004 r7 0000010c
08-11 22:46:25.936 I/DEBUG ( 219): r8 b6f030f0 r9 00000000 sl 00000000 fp be97fa84
08-11 22:46:25.936 I/DEBUG ( 219): ip 000000e3 sp be97f9d0 lr b6e95edf pc b6ea5004 cpsr 000f0010
08-11 22:46:25.936 I/DEBUG ( 219): d0 687469672e6d6f63 d1 786e6568632e6275
08-11 22:46:25.936 I/DEBUG ( 219): d2 2e676e6f6c6f6169 d3 746f6f626c617564
08-11 22:46:25.936 I/DEBUG ( 219): d4 0000000000000000 d5 0000000000000000
08-11 22:46:25.936 I/DEBUG ( 219): d6 6e612e656e6f7a74 d7 61792e64696f7264
08-11 22:46:25.936 I/DEBUG ( 219): d8 0000000000000000 d9 0000000000000000
08-11 22:46:25.936 I/DEBUG ( 219): d10 0000000000000000 d11 0000000000000000
08-11 22:46:25.936 I/DEBUG ( 219): d12 0000000000000000 d13 0000000000000000
08-11 22:46:25.936 I/DEBUG ( 219): d14 0000000000000000 d15 0000000000000000
08-11 22:46:25.936 I/DEBUG ( 219): d16 2e72656863746170 d17 2e322d6775626564
08-11 22:46:25.936 I/DEBUG ( 219): d18 612f312d746f6c73 d19 6c2e67726f2f7070
08-11 22:46:25.936 I/DEBUG ( 219): d20 2e656e6f7a746565 d21 2e64696f72646e61
08-11 22:46:25.936 I/DEBUG ( 219): d22 6469776573746179 d23 2d65657266746567
08-11 22:46:25.936 I/DEBUG ( 219): d24 0000000000000000 d25 0000000000000000
08-11 22:46:25.936 I/DEBUG ( 219): d26 0000000000000000 d27 0000000000000000
08-11 22:46:25.936 I/DEBUG ( 219): d28 0000000000000000 d29 0000000000000000
08-11 22:46:25.936 I/DEBUG ( 219): d30 0000000000000000 d31 0000000000000000
08-11 22:46:25.936 I/DEBUG ( 219): scr 00000010
08-11 22:46:26.126 I/DEBUG ( 219):
08-11 22:46:26.126 I/DEBUG ( 219): backtrace:
08-11 22:46:26.126 I/DEBUG ( 219): #00 pc 00022004 /system/lib/libc.so (tgkill+12)
08-11 22:46:26.126 I/DEBUG ( 219): #01 pc 00012edb /system/lib/libc.so (pthread_kill+50)
08-11 22:46:26.126 I/DEBUG ( 219): #02 pc 000130d3 /system/lib/libc.so (raise+10)
08-11 22:46:26.126 I/DEBUG ( 219): #03 pc 00011e3f /system/lib/libc.so
08-11 22:46:26.126 I/DEBUG ( 219): #04 pc 00021738 /system/lib/libc.so (abort+4)
08-11 22:46:26.126 I/DEBUG ( 219): #05 pc 000861b8 /sbin/syncdaemon
08-11 22:46:26.126 I/DEBUG ( 219):
08-11 22:46:26.126 I/DEBUG ( 219): stack:
08-11 22:46:26.126 I/DEBUG ( 219): be97f990 ffffffff
08-11 22:46:26.126 I/DEBUG ( 219): be97f994 b8a83648 [heap]
08-11 22:46:26.126 I/DEBUG ( 219): be97f998 b6fa810c
08-11 22:46:26.126 I/DEBUG ( 219): be97f99c 3e6753d5
08-11 22:46:26.126 I/DEBUG ( 219): be97f9a0 b6ecd228 /system/lib/libc.so
08-11 22:46:26.126 I/DEBUG ( 219): be97f9a4 00000008
08-11 22:46:26.126 I/DEBUG ( 219): be97f9a8 00000008
08-11 22:46:26.126 I/DEBUG ( 219): be97f9ac b6ecd228 /system/lib/libc.so
08-11 22:46:26.126 I/DEBUG ( 219): be97f9b0 0000000a
08-11 22:46:26.126 I/DEBUG ( 219): be97f9b4 b6ecd228 /system/lib/libc.so
08-11 22:46:26.126 I/DEBUG ( 219): be97f9b8 0000002d
08-11 22:46:26.126 I/DEBUG ( 219): be97f9bc b6e98407 /system/lib/libc.so (__swsetup+126)
08-11 22:46:26.126 I/DEBUG ( 219): be97f9c0 b6ecd228 /system/lib/libc.so
08-11 22:46:26.126 I/DEBUG ( 219): be97f9c4 0000002d
08-11 22:46:26.126 I/DEBUG ( 219): be97f9c8 b6f8f6fc /sbin/syncdaemon
08-11 22:46:26.126 I/DEBUG ( 219): be97f9cc b6ea9001 /system/lib/libc.so
08-11 22:46:26.126 I/DEBUG ( 219): #00 be97f9d0 b6ef7f2c /system/bin/linker
08-11 22:46:26.126 I/DEBUG ( 219): be97f9d4 00000006
08-11 22:46:26.136 I/DEBUG ( 219): be97f9d8 00000004
08-11 22:46:26.136 I/DEBUG ( 219): be97f9dc 000000e3
08-11 22:46:26.136 I/DEBUG ( 219): be97f9e0 000000e3
08-11 22:46:26.136 I/DEBUG ( 219): be97f9e4 b6e95edf /system/lib/libc.so (pthread_kill+54)
08-11 22:46:26.136 I/DEBUG ( 219): #01 be97f9e8 b6ef7f24 /system/bin/linker
08-11 22:46:26.136 I/DEBUG ( 219): be97f9ec 00000006
08-11 22:46:26.136 I/DEBUG ( 219): be97f9f0 00000000
08-11 22:46:26.136 I/DEBUG ( 219): be97f9f4 00000001
08-11 22:46:26.136 I/DEBUG ( 219): be97f9f8 b6eccfd8 /system/lib/libc.so
08-11 22:46:26.136 I/DEBUG ( 219): be97f9fc b6e960d7 /system/lib/libc.so (raise+14)
08-11 22:46:26.136 I/DEBUG ( 219): #02 be97fa00 be97fa0c [stack]
08-11 22:46:26.136 I/DEBUG ( 219): be97fa04 b6e94e43 /system/lib/libc.so
08-11 22:46:26.136 I/DEBUG ( 219):
08-11 22:46:26.136 I/DEBUG ( 219): memory near r3:
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8134 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8144 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8154 00000000 b8a83670 00000000 be180000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8164 00800000 00001000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8174 000000e3 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8184 00000000 00000000 b6ef7f24 b6ee4000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8194 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef81a4 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef81b4 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef81c4 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef81d4 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef81e4 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef81f4 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8204 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8214 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef8224 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219):
08-11 22:46:26.136 I/DEBUG ( 219): memory near r4:
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f0c 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f1c be97fb1c 00000000 b6ef7f24 b6ef8154
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f2c 00000004 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f3c 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f4c 00000000 b8a839b8 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f5c 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f6c 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f7c 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f8c 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7f9c 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7fac 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7fbc 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7fcc 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7fdc 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7fec 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219): b6ef7ffc 00000000 00000000 00000000 00000000
08-11 22:46:26.136 I/DEBUG ( 219):
08-11 22:46:26.136 I/DEBUG ( 219): memory near r8:
08-11 22:46:26.136 I/DEBUG ( 219): b6f030d0 e24bd00c e8bd8830 0009feb0 fffffcd0
08-11 22:46:26.136 I/DEBUG ( 219): b6f030e0 0008ad80 fffffcf4 0008ad40 0008ad34
08-11 22:46:26.136 I/DEBUG ( 219): b6f030f0 e92d4810 e28db008 e24dd024 e50b0028
08-11 22:46:26.136 I/DEBUG ( 219): b6f03100 e50b102c e59f42b0 e08f4004 e59f32ac
08-11 22:46:26.136 I/DEBUG ( 219): b6f03110 e7943003 e5933000 e50b3010 e51b3028
08-11 22:46:26.136 I/DEBUG ( 219): b6f03120 e3530001 da000019 e51b302c e2833004
08-11 22:46:26.136 I/DEBUG ( 219): b6f03130 e5933000 e1a00003 e59f3284 e08f3003
08-11 22:46:26.136 I/DEBUG ( 219): b6f03140 e1a01003 ebffed6b e1a03000 e3530000
08-11 22:46:26.136 I/DEBUG ( 219): b6f03150 1a00000e e59f326c e7943003 e1a00003
08-11 22:46:26.136 I/DEBUG ( 219): b6f03160 e59f3264 e08f3003 e1a01003 eb01144b
08-11 22:46:26.136 I/DEBUG ( 219): b6f03170 e1a03000 e1a00003 e59f3250 e7943003
08-11 22:46:26.146 I/DEBUG ( 219): b6f03180 e1a01003 eb011011 e3a03000 ea000080
08-11 22:46:26.146 I/DEBUG ( 219): b6f03190 ebffed5b e1a03000 e3530000 03a03000
08-11 22:46:26.146 I/DEBUG ( 219): b6f031a0 13a03001 e20330ff e3530000 0a000009
08-11 22:46:26.146 I/DEBUG ( 219): b6f031b0 e3a00006 e59f3218 e08f3003 e1a01003
08-11 22:46:26.146 I/DEBUG ( 219): b6f031c0 e59f3210 e08f3003 e1a02003 ebffed25
08-11 22:46:26.146 I/DEBUG ( 219):
08-11 22:46:26.146 I/DEBUG ( 219): memory near fp:
08-11 22:46:26.146 I/DEBUG ( 219): be97fa64 b6f0455c 00000000 be97fa8c b6fa309c
08-11 22:46:26.146 I/DEBUG ( 219): be97fa74 3e6753d5 b6fa2e34 b6fa2e34 be97faac
08-11 22:46:26.146 I/DEBUG ( 219): be97fa84 b6f02f14 b6ef0120 b8a83670 b6fa309c
08-11 22:46:26.146 I/DEBUG ( 219): be97fa94 b6f02e10 b6fa309c 3e6753d5 b6fa2e34
08-11 22:46:26.146 I/DEBUG ( 219): be97faa4 be97fb1c be97fadc b6f03374 be97fb14
08-11 22:46:26.146 I/DEBUG ( 219): be97fab4 00000001 00000000 00000003 00000000
08-11 22:46:26.146 I/DEBUG ( 219): be97fac4 00000001 b6eccfd8 3e6753d5 00000000
08-11 22:46:26.146 I/DEBUG ( 219): be97fad4 be97fb14 be97fb0c b6e912a1 00000000
08-11 22:46:26.146 I/DEBUG ( 219): be97fae4 00000000 00000000 00000000 00000000
08-11 22:46:26.146 I/DEBUG ( 219): be97faf4 b6eff090 b6fa0878 b6fa0848 b6fa0840
08-11 22:46:26.146 I/DEBUG ( 219): be97fb04 b6fa0870 00000000 b6ee789d 00000001
08-11 22:46:26.146 I/DEBUG ( 219): be97fb14 be97fc11 00000000 be97fc22 be97fc5f
08-11 22:46:26.146 I/DEBUG ( 219): be97fb24 be97fc87 be97fc9a be97fcaf be97fcca
08-11 22:46:26.146 I/DEBUG ( 219): be97fb34 be97fcdd be97fcf6 be97fd10 be97fd29
08-11 22:46:26.146 I/DEBUG ( 219): be97fb44 be97ff23 be97ff4d be97ff79 be97ffa3
08-11 22:46:26.146 I/DEBUG ( 219): be97fb54 be97ffc1 be97ffcc 00000000 00000010
08-11 22:46:26.146 I/DEBUG ( 219):
08-11 22:46:26.146 I/DEBUG ( 219): memory near sp:
08-11 22:46:26.146 I/DEBUG ( 219): be97f9b0 0000000a b6ecd228 0000002d b6e98407
08-11 22:46:26.146 I/DEBUG ( 219): be97f9c0 b6ecd228 0000002d b6f8f6fc b6ea9001
08-11 22:46:26.146 I/DEBUG ( 219): be97f9d0 b6ef7f2c 00000006 00000004 000000e3
08-11 22:46:26.146 I/DEBUG ( 219): be97f9e0 000000e3 b6e95edf b6ef7f24 00000006
08-11 22:46:26.146 I/DEBUG ( 219): be97f9f0 00000000 00000001 b6eccfd8 b6e960d7
08-11 22:46:26.146 I/DEBUG ( 219): be97fa00 be97fa0c b6e94e43 0000002d ffffffdf
08-11 22:46:26.146 I/DEBUG ( 219): be97fa10 00000001 00000000 00010034 b6fa2e34
08-11 22:46:26.146 I/DEBUG ( 219): be97fa20 00000001 b6fa2e34 00000001 b6ea473c
08-11 22:46:26.146 I/DEBUG ( 219): be97fa30 00004000 b6f7f1bc b6fa2e34 b6fa2e34
08-11 22:46:26.146 I/DEBUG ( 219): be97fa40 be97fa64 b6fa2e34 ffffffff 00000001
08-11 22:46:26.146 I/DEBUG ( 219): be97fa50 b6eccfd8 b6f38388 b6fa300c b6f383c8
08-11 22:46:26.146 I/DEBUG ( 219): be97fa60 00000001 b6f0455c 00000000 be97fa8c
08-11 22:46:26.146 I/DEBUG ( 219): be97fa70 b6fa309c 3e6753d5 b6fa2e34 b6fa2e34
08-11 22:46:26.146 I/DEBUG ( 219): be97fa80 be97faac b6f02f14 b6ef0120 b8a83670
08-11 22:46:26.146 I/DEBUG ( 219): be97fa90 b6fa309c b6f02e10 b6fa309c 3e6753d5
08-11 22:46:26.146 I/DEBUG ( 219): be97faa0 b6fa2e34 be97fb1c be97fadc b6f03374
08-11 22:46:26.146 I/DEBUG ( 219):
08-11 22:46:26.146 I/DEBUG ( 219): code around pc:
08-11 22:46:26.146 I/DEBUG ( 219): b6ea4fe4 e8bd00f0 e3700a01 912fff1e e2600000
08-11 22:46:26.146 I/DEBUG ( 219): b6ea4ff4 ea006de4 e92d50f0 e3a07f43 ef000000
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5004 e8bd50f0 e3700a01 912fff1e e2600000
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5014 ea006ddc e92d50f0 e3a070ee ef000000
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5024 e8bd50f0 e3700a01 912fff1e e2600000
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5034 ea006dd4 f200429a bf0080b9 f040f891
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5044 4001e92d f2c02a04 2a1080a5 8093f2c0
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5054 f2c02a20 2a408088 ea4fdb7f f1bc1c92
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5064 dd6c0f0a 0600e92d 0f40f1bc f500dd4a
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5074 f5016e80 ebae7920 ea4f0e09 ea4f5e4e
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5084 f50e5e5e ebbc7e20 dd3b1f9e f04fbfc4
08-11 22:46:26.146 I/DEBUG ( 219): b6ea5094 ebd9090a dd35199e 0a0eeb01 0a3ff02a
08-11 22:46:26.146 I/DEBUG ( 219): b6ea50a4 1c9eebac bfd245e1 0c09ebac f04f46e1
08-11 22:46:26.146 I/DEBUG ( 219): b6ea50b4 f8910c00 f891f240 f921f280 f921028d
08-11 22:46:26.146 I/DEBUG ( 219): b6ea50c4 f8da428d f1b93000 f9000901 f900028d
08-11 22:46:26.146 I/DEBUG ( 219): b6ea50d4 f10a428d d1ee0a40 0f00f1bc f5bcd02b
08-11 22:46:26.146 I/DEBUG ( 219):
08-11 22:46:26.146 I/DEBUG ( 219): code around lr:
08-11 22:46:26.146 I/DEBUG ( 219): b6e95ebc 4b11ec30 e010447b d10e42bb 6a1f480f
08-11 22:46:26.146 I/DEBUG ( 219): b6e95ecc f7fb4478 f00dec98 4639ea0c f00f462a
08-11 22:46:26.146 I/DEBUG ( 219): b6e95edc 3001e88e 2500d00a 681be009 d1eb2b00
08-11 22:46:26.146 I/DEBUG ( 219): b6e95eec 25034807 f7fb4478 e000ec86 60266825
08-11 22:46:26.146 I/DEBUG ( 219): b6e95efc bdf84628 0003b4e4 0003b4d8 0003b4d0
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f0c 0003b4ac bf82f7ff 4a3a4b39 47f0e92d
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f1c 447b460d 4607b08a 6833589e 930946b1
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f2c f9fcf001 f8d04604 2d008000 4628d04a
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f3c fa3cf010 4606280f f7ffd846 4287ffe3
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f4c 200fd106 f00d4629 2800e8da e032d03d
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f5c 44784829 ebdcf7fb 44784828 42b8e015
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f6c 6a07d113 44784826 ec44f7fb 463b4a25
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f7c a8012120 f013447a 2101fa4f f01aa801
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f8c 1c43fd97 d1044607 6800e015 d1e62800
08-11 22:46:26.146 I/DEBUG ( 219): b6e95f9c 4638e023 46324629 e914f00d 3ffff1b0
08-11 22:46:26.146 I/DEBUG ( 219): b6e95fac d1024682 29046821 4638d0f3 e964f00d