The proper backtrace from android:

#0  my_pthread_mutex_lock (__mutex=0x8) at hooks.c:479
#1  0xa9e23b58 in memmove (src=0x0, dest=0x8, len=1) at 
bionic/libc/include/string.h:114
#2  move_forward_type<android::key_value_pair_t<android::String8, 
android::String8> > (n=2850176545, s=0x0, d=0x8) at 
system/core/include/utils/TypeHelpers.h:181
#3  android::SortedVector<android::key_value_pair_t<android::String8, 
android::String8> >::do_move_forward (this=<optimized out>, dest=0x8, from=0x0, 
num=2850176545) at system/core/include/utils/SortedVector.h:264

The crash in hybris is a quite weird one, as it's not able to access the 
pointer given to mutex_lock:
static int my_pthread_mutex_lock(pthread_mutex_t *__mutex)
unsigned int value = (*(unsigned int *) __mutex); <----- crash

Wonder when this crash started to happen, and nothing really changed in
libhybris for quite a while.

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https://bugs.launchpad.net/bugs/1368436

Title:
  camera-app crashes after quickly opening and closing app

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