Got a completely wrong crash report on android

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()

Toolkit
Crash Reporting
6 years ago
6 years ago

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(Reporter: glandium, Unassigned)

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ARM
Android
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(Not tracked)

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(Reporter)

Description

6 years ago
The combination of bug 683127 and bug 713228 made the 2012-01-21-03-10-49-mozilla-central-android nightly crash at some random time, when it starts the places migration process.

Here is the crash report I sent:
https://crash-stats.mozilla.com/report/index/b8ab7dbd-a194-4462-afd2-865352120121

The actual crash looks like this:
I/DEBUG   (17343): debuggerd: Dec 16 2011 08:29:07
I/DEBUG   (17343): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
I/DEBUG   (17343): Build fingerprint: 'google/soju/crespo:4.0.3/IML74K/239410:user/release-keys'
I/DEBUG   (17343): pid: 17345, tid: 17357  >>> org.mozilla.fennec <<<
I/DEBUG   (17343): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00000000
I/DEBUG   (17343):  r0 0195a4f0  r1 504faba4  r2 019d1cb8  r3 00000000
I/DEBUG   (17343):  r4 019c5598  r5 4e497dc4  r6 41323dd8  r7 018d84f0
I/DEBUG   (17343):  r8 4135f058  r9 4e497dc4  10 0195a4f0  fp 504fabfc
I/DEBUG   (17343):  ip 000007ff  sp 504fab90  lr 4e48ebf5  pc 00000000  cpsr 20000010
I/DEBUG   (17343):  d0  61436574696c7173  d1  51532f6574696c71
I/DEBUG   (17343):  d2  4baec1984baec176  d3  4baec2084baec161
I/DEBUG   (17343):  d4  0078007700760075  d5  00320031007a0079
I/DEBUG   (17343):  d6  0036003500340033  d7  0030003900380037
I/DEBUG   (17343):  d8  0000000000000000  d9  0000000000000000
I/DEBUG   (17343):  d10 0000000000000000  d11 0000000000000000
I/DEBUG   (17343):  d12 0000000000000000  d13 0000000000000000
I/DEBUG   (17343):  d14 0000000000000000  d15 0000000000000000
I/DEBUG   (17343):  d16 0000000740a2e778  d17 0000000000000000
I/DEBUG   (17343):  d18 4146605000000000  d19 bfb1be5a93a83e1d
I/DEBUG   (17343):  d20 3f1155e54e7e8408  d21 bebbbc6c1a570a20
I/DEBUG   (17343):  d22 3ff0000000000000  d23 3fede16b9c24a98f
I/DEBUG   (17343):  d24 3e66376972bea4d0  d25 3fc39a09d078c69f
I/DEBUG   (17343):  d26 0000000000000000  d27 0000000000000000
I/DEBUG   (17343):  d28 0000000000000000  d29 0000000000000000
I/DEBUG   (17343):  d30 0000000000000000  d31 0000000000000000
I/DEBUG   (17343):  scr 60000012
I/DEBUG   (17343): 
I/DEBUG   (17343):          #00  pc 00000000  
I/DEBUG   (17343):          #01  lr 4e48ebf5  /data/data/org.mozilla.fennec/lib/libmozglue.so
I/DEBUG   (17343): 
I/DEBUG   (17343): code around pc:
I/DEBUG   (17343): 00000000 ffffffff ffffffff ffffffff ffffffff  ................
I/DEBUG   (17343): 00000010 ffffffff ffffffff ffffffff ffffffff  ................
I/DEBUG   (17343): 00000020 ffffffff ffffffff ffffffff ffffffff  ................
I/DEBUG   (17343): 00000030 ffffffff ffffffff ffffffff ffffffff  ................
I/DEBUG   (17343): 00000040 ffffffff ffffffff ffffffff ffffffff  ................
I/DEBUG   (17343): 
I/DEBUG   (17343): code around lr:
I/DEBUG   (17343): 4e48ebd4 479832a4 22006823 44f94631 32a4f8d3  .2.G#h."1F.D...2
I/DEBUG   (17343): 4e48ebe4 46204607 f8d94798 a9053000 47984682  .F F.G...0...F.G
I/DEBUG   (17343): 4e48ebf4 46316823 f8d34652 460532a8 47984620  #h1FRF...2.F F.G
I/DEBUG   (17343): 4e48ec04 f0402d00 ab07810d 93009805 f8d94639  .-@.........9F..
I/DEBUG   (17343): 4e48ec14 f04f5008 ab0632ff 460547a8 f0402800  .PO..2...G.F.(@.
I/DEBUG   (17343): 
I/DEBUG   (17343): stack:
I/DEBUG   (17343):     504fab50  0000004a  
I/DEBUG   (17343):     504fab54  41316410  /dev/ashmem/dalvik-heap (deleted)
I/DEBUG   (17343):     504fab58  00000064  
I/DEBUG   (17343):     504fab5c  40850c7d  /system/lib/libdvm.so
I/DEBUG   (17343):     504fab60  41323dd8  /dev/ashmem/dalvik-heap (deleted)
I/DEBUG   (17343):     504fab64  00000000  
I/DEBUG   (17343):     504fab68  0195a4f0  [heap]
I/DEBUG   (17343):     504fab6c  00000000  
I/DEBUG   (17343):     504fab70  41323dd8  /dev/ashmem/dalvik-heap (deleted)
I/DEBUG   (17343):     504fab74  4084763d  /system/lib/libdvm.so
I/DEBUG   (17343):     504fab78  019c5598  [heap]
I/DEBUG   (17343):     504fab7c  019d1cb8  [heap]
I/DEBUG   (17343):     504fab80  00000000  
I/DEBUG   (17343):     504fab84  019c5598  [heap]
I/DEBUG   (17343):     504fab88  df0027ad  
I/DEBUG   (17343):     504fab8c  00000000  
I/DEBUG   (17343): #00 504fab90  4130b018  /dev/ashmem/dalvik-heap (deleted)
I/DEBUG   (17343):     504fab94  00000028  
I/DEBUG   (17343):     504fab98  41326ae0  /dev/ashmem/dalvik-heap (deleted)
I/DEBUG   (17343):     504fab9c  41326ae0  /dev/ashmem/dalvik-heap (deleted)
I/DEBUG   (17343):     504faba0  019d2024  [heap]
I/DEBUG   (17343):     504faba4  41326ae0  /dev/ashmem/dalvik-heap (deleted)
I/DEBUG   (17343):     504faba8  00000003  
I/DEBUG   (17343):     504fabac  019d1cb8  [heap]
I/DEBUG   (17343):     504fabb0  00000028  
I/DEBUG   (17343):     504fabb4  4bd960a8  /dev/ashmem/dalvik-LinearAlloc (deleted)
I/DEBUG   (17343):     504fabb8  019d1cb8  [heap]
I/DEBUG   (17343):     504fabbc  00000000  
I/DEBUG   (17343):     504fabc0  4e3d7e28  
I/DEBUG   (17343):     504fabc4  504fabe4  
I/DEBUG   (17343):     504fabc8  4e3d7e14  
I/DEBUG   (17343):     504fabcc  50390030  /data/dalvik-cache/data@app@org.mozilla.fennec-1.apk@classes.dex
I/DEBUG   (17343):     504fabd0  504fabfc  
I/DEBUG   (17343):     504fabd4  4080fbf4  /system/lib/libdvm.so

where the address in libmozglue.so points to Java_org_mozilla_gecko_sqlite_SQLiteBridge_sqliteCall, on SQLiteBridge.cpp:170.

That information allowed me to find the problem instantly, which can't be said from the breakpad crash report, which is just plain wrong.
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