Public bug reported:
If a scope throws an exception from its PreviewQueryBase::run()
implementation, the scopes run time dumps core (stack trace below). This
affects both RTM and Vivid. I have a fix for this, which I'll MR
tomorrow.
#0 __libc_do_syscall () at
../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44
No locals.
#1 0xb6b7ae5e in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
_a1 = 0
_a3tmp = 6
_a1tmp = 0
_a3 = 6
_nametmp = 268
_a2tmp = 3737
_a2 = 3737
_name = 268
_sys_result = <optimized out>
pd = 0x9f5ff380
pid = 0
selftid = 3737
#2 0xb6b7bb4e in __GI_abort () at abort.c:89
save_stage = 2
act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0},
sa_mask = {__val = {1, 3066296895, 3066296824, 3065897499, 3065664229, 1,
3065664193, 3069661904, 2673865600, 3066482688, 729240, 0, 1, 30451216, 0,
3069594101, 3069661904, 1, 5, 0, 2673862536, 3065359272, 3066296824,
3066297880, 1, 30448212, 3068579119, 2673862316, 2673862536, 3069612528,
30451184, 2673866896}}, sa_flags = 1, sa_restorer = 0x0}
sigs = {__val = {32, 0 <repeats 31 times>}}
#3 0xb6cb8128 in __gnu_cxx::__verbose_terminate_handler () at
../../../../src/libstdc++-v3/libsupc++/vterminate.cc:95
terminating = true
t = <optimized out>
#4 0xb6cb694c in __cxxabiv1::__terminate (handler=<optimized out>) at
../../../../src/libstdc++-v3/libsupc++/eh_terminate.cc:47
No locals.
#5 0xb6cb5d5a in __cxa_call_terminate (ue_header=0x1d0a610) at
../../../../src/libstdc++-v3/libsupc++/eh_call.cc:54
No locals.
#6 0xb6cb64ae in __cxxabiv1::__gxx_personality_v0 (state=<optimized out>,
ue_header=0x1d0a610, context=<optimized out>) at
../../../../src/libstdc++-v3/libsupc++/eh_personality.cc:676
action_record = <optimized out>
p = <optimized out>
thrown_ptr = 0x0
info = {Start = 2673862680, LPStart = 30451216, ttype_base = 0, TType =
0xb6e6cd2d
<unity::scopes::internal::PreviewQueryObject::run(std::shared_ptr<unity::scopes::internal::MWReply>
const&, unity::scopes::internal::InvokeInfo const&)+1288>
"GXFb\360:\375?K\004\230\363X\f8\230B\002\320YF\212\367a\376<K<I\360XyD\210\367\032\353\331\370",
action_table = 0x1d12000 "\001", ttype_encoding = 136 '\210',
call_site_encoding = 231 '\347'}
landing_pad = 0
ip = <optimized out>
handler_switch_value = 0
foreign_exception = false
actions = <optimized out>
found_type = <optimized out>
language_specific_data = <optimized out>
#7 0xb6c59c0a in unwind_phase2 (ucbp=ucbp@entry=0x1d0a610,
vrs=vrs@entry=0x9f5fe6ac) at ../../../src/libgcc/unwind-arm-common.inc:294
pr_result = <optimized out>
#8 0xb6c59dda in __gnu_Unwind_Resume (ucbp=0x1d0a610, entry_vrs=0x9f5fe6ac) at
../../../src/libgcc/unwind-arm-common.inc:502
pr_result = <optimized out>
#9 0xb6c5a66e in _Unwind_Resume () at
../../../src/libgcc/config/arm/libunwind.S:357
No locals.
#10 0xb6e6cd2e in unity::scopes::internal::PreviewQueryObject::run
(this=<optimized out>, reply=...) at
/build/buildd/unity-scopes-api-0.6.8+15.04.20141119/src/scopes/internal/PreviewQueryObject.cpp:80
e = @0xa6e0e070: {_vptr.exception = 0xb3a56418}
__PRETTY_FUNCTION__ = "virtual void
unity::scopes::internal::PreviewQueryObject::run(const MWReplyProxy&, const
unity::scopes::internal::InvokeInfo&)"
reply_proxy =
{<std::__shared_ptr<unity::scopes::internal::PreviewReplyImpl,
(__gnu_cxx::_Lock_policy)2>> = {_M_ptr = <optimized out>, _M_refcount = {_M_pi
= 0x1d14c70}}, <No data fields>}
#11 0x9f5f0006 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
** Affects: unity-scopes-api (Ubuntu)
Importance: Critical
Assignee: Michi Henning (michihenning)
Status: In Progress
** Changed in: unity-scopes-api (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1412352
Title:
Crash in scopes run time if scope throws exception from
PreviewQueryBase::run()
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