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From "Tom Sttreet (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CB-821) Cordova crashes with EXEC_BAD_ACCESS when using camera on iOS 5.1.1
Date Wed, 23 May 2012 10:27:40 GMT
Tom Sttreet created CB-821:
------------------------------

             Summary: Cordova crashes with EXEC_BAD_ACCESS when using camera on iOS 5.1.1
                 Key: CB-821
                 URL: https://issues.apache.org/jira/browse/CB-821
             Project: Apache Cordova
          Issue Type: Bug
          Components: iOS
    Affects Versions: 1.7.0
         Environment: Cordova: 1.7.0
Device: iPad 3
iOS: 5.1.1
            Reporter: Tom Sttreet
            Assignee: Shazron Abdullah


I have a test page with a text box and a button which calls navigator.camera.getPicture().
To reproduce this issue:
Browse to page, enter some text in the text box, tap the button to launch the camera, cancel
the camera, enter some more text in the text box, tap button to launch camera again and then
Cordova crashes out with EXEC_BAD_ACCESS.

I'm not an iOS developer or proficient Xcode user, with that in mind, here is what Xcode tells
me:

This happens in Thread 11: com.apple.camera.avcapturesession and this is what is shown (the
EXEC_BAD_ACCESS is thrown on line starting with 0x35c1725a):


WebCore`WebCore::TimerBase::setNextFireTime(double):
0x35c1717c:  push   {r4, r5, r6, r7, lr}
0x35c1717e:  add    r7, sp, #12
0x35c17180:  vpush  {d8}
0x35c17184:  sub    sp, #32
0x35c17186:  vmov   d8, r1, r2
0x35c1718a:  vldr   d16, [r0, #4]
0x35c1718e:  vcmpe.f64 d16, d8
0x35c17192:  vmrs   apsr_nzcv, fpscr         
0x35c17196:  beq.w  #264                     
0x35c1719a:  mov    r4, r0
0x35c1719c:  movw   r0, #21868
0x35c171a0:  movt   r0, #2424
0x35c171a4:  vstr   d8, [r4, #4]
0x35c171a8:  add    r0, pc
0x35c171aa:  vcmpe.f64 d16, #0                  
0x35c171ae:  ldr    r1, [r0]
0x35c171b0:  str    r1, [r4, #24]
0x35c171b2:  adds   r1, #1
0x35c171b4:  str    r1, [r0]
0x35c171b6:  ldr    r5, [r4, #20]
0x35c171b8:  vmrs   apsr_nzcv, fpscr         
0x35c171bc:  bne    0x35c171c6               ; WebCore::TimerBase::setNextFireTime(double)
+ 74
0x35c171be:  mov    r0, r4
0x35c171c0:  bl     #217280                  ; 0x35c4c284 WebCore::TimerBase::heapInsert()
0x35c171c4:  b      0x35c1728e               ; WebCore::TimerBase::setNextFireTime(double)
+ 274
0x35c171c6:  vcmpe.f64 d8, #0                   
0x35c171ca:  vmrs   apsr_nzcv, fpscr         
0x35c171ce:  bne    0x35c17218               ; WebCore::TimerBase::setNextFireTime(double)
+ 156
0x35c171d0:  movs   r0, #0
0x35c171d2:  mov    r6, r4
0x35c171d4:  str    r0, [r6, #4]!
0x35c171d8:  movs   r0, #0
0x35c171da:  movt   r0, #65520
0x35c171de:  str    r0, [r6, #4]
0x35c171e0:  str    r5, [sp]
0x35c171e2:  bl     #217354                  ; 0x35c4c2f0 WebCore::threadGlobalData()
0x35c171e6:  mov    r3, sp
0x35c171e8:  mov    r1, r5
0x35c171ea:  ldr    r0, [r0, #4]
0x35c171ec:  movs   r2, #0
0x35c171ee:  ldr    r0, [r0, #4]
0x35c171f0:  ldr.w  r0, [r0, r5, lsl #2]
0x35c171f4:  str    r0, [sp, #4]
0x35c171f6:  movs   r0, #0
0x35c171f8:  bl     #217772                  ; 0x35c4c4a8 void std::__push_heap<WebCore::TimerHeapIterator,
int, WebCore::TimerHeapElement>(WebCore::TimerHeapIterator, int, int, WebCore::TimerHeapElement)
0x35c171fc:  bl     #276312                  ; 0x35c5a958 WebCore::TimerBase::heapPopMin()
0x35c17200:  vstr   d8, [r6]
0x35c17204:  bl     #217320                  ; 0x35c4c2f0 WebCore::threadGlobalData()
0x35c17208:  ldr    r0, [r0, #4]
0x35c1720a:  ldr    r1, [r0]
0x35c1720c:  subs   r1, #1
0x35c1720e:  str    r1, [r0]
0x35c17210:  mov.w  r0, #4294967295
0x35c17214:  str    r0, [r4, #20]
0x35c17216:  b      0x35c1728e               ; WebCore::TimerBase::setNextFireTime(double)
+ 274
0x35c17218:  vcmpe.f64 d16, d8
0x35c1721c:  vmrs   apsr_nzcv, fpscr         
0x35c17220:  ble    0x35c1723c               ; WebCore::TimerBase::setNextFireTime(double)
+ 192
0x35c17222:  str    r5, [sp, #8]
0x35c17224:  bl     #217288                  ; 0x35c4c2f0 WebCore::threadGlobalData()
0x35c17228:  mov    r1, r5
0x35c1722a:  ldr    r0, [r0, #4]
0x35c1722c:  ldr    r0, [r0, #4]
0x35c1722e:  ldr.w  r0, [r0, r5, lsl #2]
0x35c17232:  str    r0, [sp, #12]
0x35c17234:  movs   r0, #0
0x35c17236:  add    r3, sp, #8
0x35c17238:  mov    r2, r0
0x35c1723a:  b      0x35c1728a               ; WebCore::TimerBase::setNextFireTime(double)
+ 270
0x35c1723c:  movs   r0, #0
0x35c1723e:  mov    r6, r4
0x35c17240:  str    r0, [r6, #4]!
0x35c17244:  movs   r0, #0
0x35c17246:  movt   r0, #65520
0x35c1724a:  str    r0, [r6, #4]
0x35c1724c:  str    r5, [sp, #16]
0x35c1724e:  bl     #217246                  ; 0x35c4c2f0 WebCore::threadGlobalData()
0x35c17252:  mov    r1, r5
0x35c17254:  movs   r2, #0
0x35c17256:  ldr    r0, [r0, #4]
0x35c17258:  ldr    r0, [r0, #4]
0x35c1725a:  ldr.w  r0, [r0, r5, lsl #2]
0x35c1725e:  str    r0, [sp, #20]
0x35c17260:  add    r3, sp, #16
0x35c17262:  movs   r0, #0
0x35c17264:  bl     #217664                  ; 0x35c4c4a8 void std::__push_heap<WebCore::TimerHeapIterator,
int, WebCore::TimerHeapElement>(WebCore::TimerHeapIterator, int, int, WebCore::TimerHeapElement)
0x35c17268:  bl     #276204                  ; 0x35c5a958 WebCore::TimerBase::heapPopMin()
0x35c1726c:  vstr   d8, [r6]
0x35c17270:  ldr    r6, [r4, #20]
0x35c17272:  str    r6, [sp, #24]
0x35c17274:  bl     #217208                  ; 0x35c4c2f0 WebCore::threadGlobalData()
0x35c17278:  movs   r2, #0
0x35c1727a:  ldr    r0, [r0, #4]
0x35c1727c:  mov    r1, r6
0x35c1727e:  ldr    r0, [r0, #4]
0x35c17280:  ldr.w  r0, [r0, r6, lsl #2]
0x35c17284:  str    r0, [sp, #28]
0x35c17286:  add    r3, sp, #24
0x35c17288:  movs   r0, #0
0x35c1728a:  bl     #217626                  ; 0x35c4c4a8 void std::__push_heap<WebCore::TimerHeapIterator,
int, WebCore::TimerHeapElement>(WebCore::TimerHeapIterator, int, int, WebCore::TimerHeapElement)
0x35c1728e:  cmp    r5, #0
0x35c17290:  itt    ne
0x35c17292:  ldrne  r0, [r4, #20]
0x35c17294:  cmpne  r0, #0
0x35c17296:  bne    0x35c172a2               ; WebCore::TimerBase::setNextFireTime(double)
+ 294
0x35c17298:  bl     #217172                  ; 0x35c4c2f0 WebCore::threadGlobalData()
0x35c1729c:  ldr    r0, [r0, #4]
0x35c1729e:  bl     #217814                  ; 0x35c4c578 WebCore::ThreadTimers::updateSharedTimer()
0x35c172a2:  add    sp, #32
0x35c172a4:  vpop   {d8}
0x35c172a8:  pop    {r4, r5, r6, r7, pc}
0x35c172aa:  nop    


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