Closed Bug 971094 Opened 6 years ago Closed 6 years ago

Nightly crashing on shutdown under js::jit::StopAllOffThreadCompilations

Categories

(Core :: JavaScript Engine, defect)

x86
macOS
defect
Not set

Tracking

()

RESOLVED FIXED
mozilla30

People

(Reporter: Irving, Assigned: ehoogeveen)

References

Details

Attachments

(2 files, 6 obsolete files)

2.45 KB, patch
ehoogeveen
: review+
Details | Diff | Splinter Review
1.82 KB, patch
ehoogeveen
: review+
Details | Diff | Splinter Review
My last three Nightly updates have brought up Mac OS X "Nightly quit unexpectedly" reports, though the updated browser starts up properly.

Here's the report:

Process:         firefox [51593]
Path:            /Applications/FirefoxNightly.app/Contents/MacOS/firefox
Identifier:      org.mozilla.nightly
Version:         30.0a1 (3014.2.10)
Code Type:       X86-64 (Native)
Parent Process:  ??? [1]
User ID:         501

Date/Time:       2014-02-11 12:57:43.066 -0500
OS Version:      Mac OS X 10.8.5 (12F45)
Report Version:  10
Sleep/Wake UUID: 733E5280-0499-44F8-9988-5E1323C265B6

Interval Since Last Report:          39254 sec
Crashes Since Last Report:           1
Per-App Interval Since Last Report:  39230 sec
Per-App Crashes Since Last Report:   1
Anonymous UUID:                      897C5300-2DBD-1EBF-695C-45E14DF340BB

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000038

VM Regions Near 0x38:
--> 
    __TEXT                 0000000100000000-0000000100006000 [   24K] r-x/rwx SM=COW  /Applications/FirefoxNightly.app/Contents.bak/MacOS/firefox [/Applications/FirefoxNightly.app/Contents/MacOS/firefox]

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libnss3.dylib                 	0x0000000101113d48 pt_PostNotifies + 200
1   libnss3.dylib                 	0x0000000101113c5e PR_Unlock + 78
2   XUL                           	0x00000001036c8aa3 js::jit::StopAllOffThreadCompilations(JSCompartment*) + 35
3   XUL                           	0x00000001036c8b58 js::jit::InvalidateAll(js::FreeOp*, JS::Zone*) + 56
4   XUL                           	0x0000000103811c23 js::ReleaseAllJITCode(js::FreeOp*) + 115
5   XUL                           	0x000000010390057f js::EnableRuntimeProfilingStack(JSRuntime*, bool) + 47
6   XUL                           	0x0000000102e0c176 mozilla_sampler_stop() + 150
7   XUL                           	0x0000000102e0bab3 mozilla_sampler_shutdown() + 483
8   XUL                           	0x0000000102e9fbfc XREMain::XRE_main(int, char**, nsXREAppData const*) + 956
9   XUL                           	0x0000000102e9fd17 XRE_main + 231
10  org.mozilla.nightly           	0x0000000100001dff main + 1519
11  org.mozilla.nightly           	0x00000001000014b4 start + 52

Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0   libsystem_kernel.dylib        	0x00007fff86830d16 kevent + 10
1   libdispatch.dylib             	0x00007fff9119bdea _dispatch_mgr_invoke + 883
2   libdispatch.dylib             	0x00007fff9119b9ee _dispatch_mgr_thread + 54

Thread 2:: JS GC Helper
0   libsystem_kernel.dylib        	0x00007fff868300fa __psynch_cvwait + 10
1   libsystem_c.dylib             	0x00007fff86184fb9 _pthread_cond_wait + 869
2   libnss3.dylib                 	0x0000000101113eb9 PR_WaitCondVar + 105
3   XUL                           	0x000000010380f26b js::GCHelperThread::threadLoop() + 107
4   libnss3.dylib                 	0x00000001011163ea _pt_root + 218
5   libsystem_c.dylib             	0x00007fff86180772 _pthread_start + 327
6   libsystem_c.dylib             	0x00007fff8616d1a1 thread_start + 13

Thread 3:
0   libsystem_kernel.dylib        	0x00007fff8682e686 mach_msg_trap + 10
1   libsystem_kernel.dylib        	0x00007fff8682dc42 mach_msg + 70
2   XUL                           	0x00000001036253b0 AsmJSMachExceptionHandlerThread(void*) + 528
3   libnss3.dylib                 	0x00000001011163ea _pt_root + 218
4   libsystem_c.dylib             	0x00007fff86180772 _pthread_start + 327
5   libsystem_c.dylib             	0x00007fff8616d1a1 thread_start + 13

Thread 4:: JS Watchdog
0   libsystem_kernel.dylib        	0x00007fff868300fa __psynch_cvwait + 10
1   libsystem_c.dylib             	0x00007fff86184fb9 _pthread_cond_wait + 869
2   libnss3.dylib                 	0x0000000101113f4a PR_WaitCondVar + 250
3   XUL                           	0x00000001021d2078 WatchdogMain(void*) + 168
4   libnss3.dylib                 	0x00000001011163ea _pt_root + 218
5   libsystem_c.dylib             	0x00007fff86180772 _pthread_start + 327
6   libsystem_c.dylib             	0x00007fff8616d1a1 thread_start + 13

Thread 5:
0   libsystem_kernel.dylib        	0x00007fff868306d6 __workq_kernreturn + 10
1   libsystem_c.dylib             	0x00007fff86182f1c _pthread_workq_return + 25
2   libsystem_c.dylib             	0x00007fff86182ce3 _pthread_wqthread + 412
3   libsystem_c.dylib             	0x00007fff8616d191 start_wqthread + 13

Thread 6:
0   libsystem_kernel.dylib        	0x00007fff868306d6 __workq_kernreturn + 10
1   libsystem_c.dylib             	0x00007fff86182f1c _pthread_workq_return + 25
2   libsystem_c.dylib             	0x00007fff86182ce3 _pthread_wqthread + 412
3   libsystem_c.dylib             	0x00007fff8616d191 start_wqthread + 13

Thread 7:
0   libsystem_kernel.dylib        	0x00007fff868306d6 __workq_kernreturn + 10
1   libsystem_c.dylib             	0x00007fff86182f1c _pthread_workq_return + 25
2   libsystem_c.dylib             	0x00007fff86182ce3 _pthread_wqthread + 412
3   libsystem_c.dylib             	0x00007fff8616d191 start_wqthread + 13

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x00000000ffffffff  rbx: 0x00007fff5fbfea88  rcx: 0x00000000ffffffff  rdx: 0x0000000000000000
  rdi: 0x0000000100527c80  rsi: 0x0000000000000016  rbp: 0x00007fff5fbfeb10  rsp: 0x00007fff5fbfea70
   r8: 0x0000000000000000   r9: 0x000000000000000e  r10: 0x0000000000000003  r11: 0x0000000000000246
  r12: 0x0000000000000000  r13: 0x000000010d533f98  r14: 0x00007fff5fbfea78  r15: 0x0000000000000000
  rip: 0x0000000101113d48  rfl: 0x0000000000010246  cr2: 0x0000000000000038
Logical CPU: 6

Binary Images:
       0x100000000 -        0x100005fff +org.mozilla.nightly (30.0a1 - 3014.2.11) <57AB9BD9-E012-3B05-82CB-E38BAC08C5F1> /Applications/FirefoxNightly.app/Contents/MacOS/firefox
       0x10000f000 -        0x100011fff  com.apple.ExceptionHandling (1.5 - 10) <7A487C6B-6E23-3059-84C7-8739399D4707> /System/Library/Frameworks/ExceptionHandling.framework/Versions/A/ExceptionHandling
       0x100016000 -        0x10002eff7 +libmozglue.dylib (1) <C782407D-4647-33C4-8FA6-BB159DEF4F34> /Applications/FirefoxNightly.app/Contents/MacOS/libmozglue.dylib
       0x1000cc000 -        0x1000ccff7 +libmozalloc.dylib (1) <C1601230-2EBB-3E8B-8539-9010524D5416> /Applications/FirefoxNightly.app/Contents/MacOS/libmozalloc.dylib
       0x101000000 -        0x101245fff +libnss3.dylib (1) <A9B8C5CB-893A-3A64-A67A-4F86997AAF30> /Applications/FirefoxNightly.app/Contents/MacOS/libnss3.dylib
       0x101377000 -        0x105157fdf +XUL (1) <BECD0D61-A9B1-3D03-AED1-031C369F5712> /Applications/FirefoxNightly.app/Contents/MacOS/XUL
       0x108498000 -        0x1084b1fff +libbrowsercomps.dylib (???) <3CE118AC-9F59-387F-B955-4726EA3EAB34> /Applications/FirefoxNightly.app/Contents/MacOS/browser/components/libbrowsercomps.dylib
       0x1084f5000 -        0x1084f6ffa +cl_kernels (???) <A614AD3F-5C2A-41E5-B4A3-BF940EDFD1BB> cl_kernels
       0x10aaa8000 -        0x10aae0ff7 +libsoftokn3.dylib (1) <C046A791-30A6-32AA-90B9-8ED3ECC48E23> /Applications/FirefoxNightly.app/Contents/MacOS/libsoftokn3.dylib
       0x10ae83000 -        0x10aea4ff7 +libnssdbm3.dylib (1) <3046386D-5741-3239-951B-1D8219DE2FEC> /Applications/FirefoxNightly.app/Contents/MacOS/libnssdbm3.dylib
       0x10b24e000 -        0x10b2b1ff7 +libfreebl3.dylib (1) <9273ABB6-A98B-335B-A5BD-9FE7ECBE9AF6> /Applications/FirefoxNightly.app/Contents/MacOS/libfreebl3.dylib
       0x10f0ef000 -        0x10f0f8fe7  libcldcpuengine.dylib (2.2.16) <B6E3B14B-1EAC-3FDD-8AED-87231A033BED> /System/Library/Frameworks/OpenCL.framework/Libraries/libcldcpuengine.dylib
       0x10f8ce000 -        0x10f8cfffb +cl_kernels (???) <F4EDDB56-C28A-47F9-BAD3-78D560D978F1> cl_kernels
       0x10f8d6000 -        0x10f8d7ffb +cl_kernels (???) <85F7018A-7A8C-4E92-8192-A5062B7174A1> cl_kernels
       0x10f8e2000 -        0x10f8e2ff9 +cl_kernels (???) <A76A3C39-98B6-4D50-8C62-6AC3ED9630EB> cl_kernels
       0x10f8fd000 -        0x10f8fdffc +cl_kernels (???) <5F6D962B-27D7-46D9-960B-C5D090C1951E> cl_kernels
       0x110bce000 -        0x110bceff7 +cl_kernels (???) <4FD1402F-F700-47BF-83D5-2575255FC4EE> cl_kernels
       0x110bd2000 -        0x110bd2ffc +cl_kernels (???) <5F6D962B-27D7-46D9-960B-C5D090C1951E> cl_kernels
       0x110bd7000 -        0x110bd7ffe +cl_kernels (???) <15BDEAD6-B5BD-44B9-9A22-C9088D6DE909> cl_kernels
       0x110bfc000 -        0x110bfcffb +cl_kernels (???) <E738FDC3-8773-4B96-AE48-E94CE0D0DFCB> cl_kernels
       0x1111df000 -        0x1111dfffd +cl_kernels (???) <EE105610-63D5-4336-83B5-84E6D63D18B1> cl_kernels
       0x1111e4000 -        0x1111e4ffd +cl_kernels (???) <FFE3CF3E-E59B-4C46-B38D-FB6A357E2052> cl_kernels
       0x1111ec000 -        0x1111ecffd +cl_kernels (???) <75E727E0-ECAF-4BE3-A8BE-4702E896F245> cl_kernels
       0x11ced5000 -        0x11cedcfff  com.apple.URLMount.AFPPlugin (5.0 - 5.0) <1EC15ABF-4216-3869-A341-F27D5E55FCDC> /System/Library/Filesystems/NetFSPlugins/afp.bundle/Contents/MacOS/afp
       0x11cee3000 -        0x11ceedff7  com.apple.AppleSRP (5.0 - 1) <16B1431A-295A-386B-9159-A396877D6FE3> /System/Library/PrivateFrameworks/AppleSRP.framework/Versions/A/AppleSRP
       0x11d0b3000 -        0x11d0d7ff7  com.apple.security.csparser (3.0 - 55179.13) <B85553DE-708C-3C20-93D5-70DC80068CE3> /System/Library/Frameworks/Security.framework/PlugIns/csparser.bundle/Contents/MacOS/csparser
       0x1255ef000 -        0x125689ff7  unorm8_bgra.dylib (2.2.16) <5D62BED8-DF5D-3C51-94B4-57368FF10DDB> /System/Library/Frameworks/OpenCL.framework/Libraries/ImageFormats/unorm8_bgra.dylib
       0x125937000 -        0x12597ffff  com.apple.AppleShareClientCore (3.0 - 3.0) <FC258BF0-F008-386F-AF57-597E18B02BFD> /System/Library/Frameworks/AppleShareClientCore.framework/Versions/A/AppleShareClientCore
       0x12882a000 -        0x128846ff7  libJapaneseConverter.dylib (61) <D0F762C2-5372-3AA2-BBA4-066B8E4B1F8E> /System/Library/CoreServices/Encodings/libJapaneseConverter.dylib
       0x145da1000 -        0x145e3aff7  unorm8_argb.dylib (2.2.16) <AC4A19D0-44A5-34CB-9248-20996ACA6B06> /System/Library/Frameworks/OpenCL.framework/Libraries/ImageFormats/unorm8_argb.dylib
    0x7fff69c32000 -     0x7fff69c6693f  dyld (210.2.3) <36CAA36E-72BC-3E48-96D9-B96A2DF77730> /usr/lib/dyld
    0x7fff856b6000 -     0x7fff856c8ff7  libz.1.dylib (43) <2A1551E8-A272-3DE5-B692-955974FE1416> /usr/lib/libz.1.dylib
    0x7fff856c9000 -     0x7fff85b05fff  com.apple.VideoToolbox (1.0 - 926.106) <B1185D9D-02AC-3D27-B894-21B1179F2AEF> /System/Library/Frameworks/VideoToolbox.framework/Versions/A/VideoToolbox
    0x7fff85b06000 -     0x7fff85b2dff7  com.apple.PerformanceAnalysis (1.16 - 16) <1BDA3662-18B7-3F38-94E5-9ACD477A7682> /System/Library/PrivateFrameworks/PerformanceAnalysis.framework/Versions/A/PerformanceAnalysis
    0x7fff85b2e000 -     0x7fff85b2efff  libOpenScriptingUtil.dylib (148.3) <F8681222-0969-3B10-8BCE-C55A4B9C520C> /usr/lib/libOpenScriptingUtil.dylib
    0x7fff85b2f000 -     0x7fff85bd5ff7  com.apple.CoreServices.OSServices (557.6 - 557.6) <FFDDD2D8-690D-388F-A48F-4750A792D2CD> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
    0x7fff85c00000 -     0x7fff85c69fff  libstdc++.6.dylib (56) <EAA2B53E-EADE-39CF-A0EF-FB9D4940672A> /usr/lib/libstdc++.6.dylib
    0x7fff85c6a000 -     0x7fff85d8afff  com.apple.desktopservices (1.7.4 - 1.7.4) <ED3DA8C0-160F-3CDC-B537-BF2E766AB7C1> /System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/DesktopServicesPriv
    0x7fff85d8b000 -     0x7fff85deefff  com.apple.audio.CoreAudio (4.1.2 - 4.1.2) <FEAB83AB-1DE5-3813-BA48-7A7F2374CCF0> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
    0x7fff85e2e000 -     0x7fff85e39fff  libsystem_notify.dylib (98.5) <C49275CC-835A-3207-AFBA-8C01374927B6> /usr/lib/system/libsystem_notify.dylib
    0x7fff85e3a000 -     0x7fff85e96ff7  com.apple.Symbolication (1.3 - 93) <D3AAB36A-D5EB-3044-BE9D-0B77E64C00FC> /System/Library/PrivateFrameworks/Symbolication.framework/Versions/A/Symbolication
    0x7fff85ee1000 -     0x7fff85f0dfff  com.apple.quartzfilters (1.8.0 - 1.7.0) <CCF2C41D-93D0-3547-A2B1-D6A69932CADF> /System/Library/Frameworks/Quartz.framework/Versions/A/Frameworks/QuartzFilters.framework/Versions/A/QuartzFilters
    0x7fff85f0e000 -     0x7fff85f0fff7  libSystem.B.dylib (169.3) <92475A81-385C-32B9-9D6D-38E4BAC90996> /usr/lib/libSystem.B.dylib
    0x7fff85f10000 -     0x7fff8616bff7  com.apple.QuartzComposer (5.1 - 287.1) <D1DD68D1-05D5-3037-ABB6-BF6EB183C155> /System/Library/Frameworks/Quartz.framework/Versions/A/Frameworks/QuartzComposer.framework/Versions/A/QuartzComposer
    0x7fff8616c000 -     0x7fff86238ff7  libsystem_c.dylib (825.40.1) <543B05AE-CFA5-3EFE-8E58-77225411BA6B> /usr/lib/system/libsystem_c.dylib
    0x7fff86248000 -     0x7fff862d5ff7  com.apple.SearchKit (1.4.0 - 1.4.0) <54A8069C-E497-3B07-BEA7-D3BC9DB5B649> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
    0x7fff862d6000 -     0x7fff86316ff7  com.apple.MediaKit (14 - 687) <8AAA8CC3-3ACD-34A5-9E57-9B24AD8AFD4D> /System/Library/PrivateFrameworks/MediaKit.framework/Versions/A/MediaKit
    0x7fff86334000 -     0x7fff8633fff7  com.apple.bsd.ServiceManagement (2.0 - 2.0) <C12962D5-85FB-349E-AA56-64F4F487F219> /System/Library/Frameworks/ServiceManagement.framework/Versions/A/ServiceManagement
    0x7fff86340000 -     0x7fff8634eff7  libkxld.dylib (2050.48.12) <B8F7ED1F-CF84-3777-9183-0A1C513DF81F> /usr/lib/system/libkxld.dylib
    0x7fff8634f000 -     0x7fff86366fff  com.apple.GenerationalStorage (1.1 - 132.3) <FD4A84B3-13A8-3C60-A59E-25A361447A17> /System/Library/PrivateFrameworks/GenerationalStorage.framework/Versions/A/GenerationalStorage
    0x7fff8636d000 -     0x7fff864bffff  com.apple.audio.toolbox.AudioToolbox (1.9.2 - 1.9.2) <DC5F3D1B-036A-37DE-BC24-7636DC95EA1C> /System/Library/Frameworks/AudioToolbox.framework/Versions/A/AudioToolbox
    0x7fff864cd000 -     0x7fff864d1fff  com.apple.IOSurface (86.0.4 - 86.0.4) <26F01CD4-B76B-37A3-989D-66E8140542B3> /System/Library/Frameworks/IOSurface.framework/Versions/A/IOSurface
    0x7fff864d2000 -     0x7fff86508ff7  libsystem_info.dylib (406.17) <C9BA1024-043C-3BD5-908F-AF709E05DEE4> /usr/lib/system/libsystem_info.dylib
    0x7fff86509000 -     0x7fff8660bfff  libcrypto.0.9.8.dylib (47.2) <CF3BAB7E-4972-39FD-AF92-28ACAFF0873E> /usr/lib/libcrypto.0.9.8.dylib
    0x7fff8660c000 -     0x7fff86623fff  com.apple.CFOpenDirectory (10.8 - 151.10) <10F41DA4-AD54-3F52-B898-588D9A117171> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/Frameworks/CFOpenDirectory.framework/Versions/A/CFOpenDirectory
    0x7fff86624000 -     0x7fff86626fff  libCVMSPluginSupport.dylib (8.10.1) <F0239392-E0CB-37D7-BFE2-D6F5D42F9196> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCVMSPluginSupport.dylib
    0x7fff86627000 -     0x7fff86673ff7  libauto.dylib (185.4) <AD5A4CE7-CB53-313C-9FAE-673303CC2D35> /usr/lib/libauto.dylib
    0x7fff86674000 -     0x7fff86769fff  libiconv.2.dylib (34) <FEE8B996-EB44-37FA-B96E-D379664DEFE1> /usr/lib/libiconv.2.dylib
    0x7fff8676a000 -     0x7fff86777fff  com.apple.AppleFSCompression (49 - 1.0) <E616053D-D3C2-3600-B8DF-A5E0D9665634> /System/Library/PrivateFrameworks/AppleFSCompression.framework/Versions/A/AppleFSCompression
    0x7fff86778000 -     0x7fff86778fff  com.apple.Carbon (154 - 155) <1B2846B1-384E-3D1C-8999-201215723349> /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
    0x7fff86779000 -     0x7fff867d3ff7  com.apple.opencl (2.2.19 - 2.2.19) <3C7DFB2C-B3F9-3447-A1FC-EAAA42181A6E> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
    0x7fff8681c000 -     0x7fff8681dff7  libsystem_sandbox.dylib (220.3) <B739DA63-B675-387A-AD84-412A651143C0> /usr/lib/system/libsystem_sandbox.dylib
    0x7fff8681e000 -     0x7fff86839ff7  libsystem_kernel.dylib (2050.48.12) <4B7993C3-F62D-3AC1-AF92-414A0D6EED5E> /usr/lib/system/libsystem_kernel.dylib
    0x7fff8683a000 -     0x7fff8685fff7  libc++abi.dylib (26) <D86169F3-9F31-377A-9AF3-DB17142052E4> /usr/lib/libc++abi.dylib
    0x7fff86860000 -     0x7fff86862ff7  com.apple.print.framework.Print (8.0 - 258) <8F243E49-021F-3892-B555-3010A7F450A2> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
    0x7fff86863000 -     0x7fff86866fff  com.apple.help (1.3.2 - 42) <418A9A41-BCB4-32A2-97ED-3A388F69CA9D> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Help.framework/Versions/A/Help
    0x7fff86867000 -     0x7fff86878ff7  libsasl2.2.dylib (166) <649CAE0E-8FFE-3C60-A849-BE6300E4B726> /usr/lib/libsasl2.2.dylib
    0x7fff86879000 -     0x7fff868b3ff7  com.apple.GSS (3.0 - 2.0) <423BDFCC-9187-3F3E-ABB0-D280003EB15E> /System/Library/Frameworks/GSS.framework/Versions/A/GSS
    0x7fff869df000 -     0x7fff86ab1ff7  com.apple.CoreText (260.0 - 275.17) <AB493289-E188-3CCA-8658-1E5039715F82> /System/Library/Frameworks/CoreText.framework/Versions/A/CoreText
    0x7fff86ab2000 -     0x7fff86aebff7  libssl.0.9.8.dylib (47.2) <46DF85DC-18FB-3108-91F6-52AE3EBF2347> /usr/lib/libssl.0.9.8.dylib
    0x7fff86b7d000 -     0x7fff86b84fff  libcopyfile.dylib (89) <876573D0-E907-3566-A108-577EAD1B6182> /usr/lib/system/libcopyfile.dylib
    0x7fff86b85000 -     0x7fff86ba4ff7  libresolv.9.dylib (51) <0882DC2D-A892-31FF-AD8C-0BB518C48B23> /usr/lib/libresolv.9.dylib
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    0x7fff8c5d5000 -     0x7fff8c5e1ff7  com.apple.DirectoryService.Framework (10.8 - 151.10) <4F3284A9-EFD4-3A77-8B7F-D3D611D656A0> /System/Library/Frameworks/DirectoryService.framework/Versions/A/DirectoryService
    0x7fff8c5e2000 -     0x7fff8c61afff  libtidy.A.dylib (15.10) <9009156B-84F5-3781-BFCB-B409B538CD18> /usr/lib/libtidy.A.dylib
    0x7fff8c61b000 -     0x7fff8c66aff7  libcorecrypto.dylib (106.2) <CE0C29A3-C420-339B-ADAA-52F4683233CC> /usr/lib/system/libcorecrypto.dylib
    0x7fff8c66b000 -     0x7fff8c730ff7  com.apple.coreui (2.0 - 181.1) <83D2C92D-6842-3C9D-9289-39D5B4554C3A> /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
    0x7fff8c731000 -     0x7fff8c731fff  com.apple.Accelerate.vecLib (3.8 - vecLib 3.8) <F565B686-24E2-39F2-ACC3-C5E4084476BE> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
    0x7fff8c732000 -     0x7fff8c9f6fff  com.apple.AddressBook.framework (7.1 - 1170) <A850809B-B087-3366-9FA0-1518C20831D3> /System/Library/Frameworks/AddressBook.framework/Versions/A/AddressBook
    0x7fff8cbda000 -     0x7fff8cc5cff7  com.apple.Heimdal (3.0 - 2.0) <ACF0C667-5ACC-382A-A998-61E85386C814> /System/Library/PrivateFrameworks/Heimdal.framework/Versions/A/Heimdal
    0x7fff8cee4000 -     0x7fff8cee9fff  libcompiler_rt.dylib (30) <08F8731D-5961-39F1-AD00-4590321D24A9> /usr/lib/system/libcompiler_rt.dylib
    0x7fff8ceea000 -     0x7fff8cef0ff7  libunwind.dylib (35.1) <21703D36-2DAB-3D8B-8442-EAAB23C060D3> /usr/lib/system/libunwind.dylib
    0x7fff8cef1000 -     0x7fff8cf59ff7  libc++.1.dylib (65.1) <E5A0C88E-0837-3015-A987-F8C5A0D35DD6> /usr/lib/libc++.1.dylib
    0x7fff8cf5a000 -     0x7fff8cfa9fff  com.apple.framework.CoreWiFi (1.3 - 130.13) <CCF3D8E3-CD1C-36CD-929A-C9972F833F24> /System/Library/Frameworks/CoreWiFi.framework/Versions/A/CoreWiFi
    0x7fff8cfaa000 -     0x7fff8d0b5fff  libFontParser.dylib (84.6) <96C42E49-79A6-3475-B5E4-6A782599A6DA> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
    0x7fff8d0b7000 -     0x7fff8d3ceff7  com.apple.CoreServices.CarbonCore (1037.6 - 1037.6) <1E567A52-677F-3168-979F-5FBB0818D52B> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
    0x7fff8d3cf000 -     0x7fff8d3fbff7  libRIP.A.dylib (333.1) <CC2A33EB-409C-3C4D-97D4-41F4A080F874> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libRIP.A.dylib
    0x7fff8d3fc000 -     0x7fff8d449fff  com.apple.CoreMediaIO (309.0 - 4163.1) <8FD1C1A9-25C5-3B9E-A76D-BE813253B358> /System/Library/Frameworks/CoreMediaIO.framework/Versions/A/CoreMediaIO
    0x7fff8e40a000 -     0x7fff8f037fff  com.apple.AppKit (6.8 - 1187.40) <F12CF463-6F88-32ED-9EBA-0FA2AD3CF576> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
    0x7fff8f038000 -     0x7fff8f038fff  libkeymgr.dylib (25) <CC9E3394-BE16-397F-926B-E579B60EE429> /usr/lib/system/libkeymgr.dylib
    0x7fff8f03c000 -     0x7fff8f05eff7  com.apple.Kerberos (2.0 - 1) <416543F5-E7AF-3269-843F-C8CDA8DD0FFA> /System/Library/Frameworks/Kerberos.framework/Versions/A/Kerberos
    0x7fff8f24c000 -     0x7fff8f24dff7  libremovefile.dylib (23.2) <6763BC8E-18B8-3AD9-8FFA-B43713A7264F> /usr/lib/system/libremovefile.dylib
    0x7fff8f24e000 -     0x7fff8f252ff7  com.apple.CommonPanels (1.2.5 - 94) <5F81D593-4B87-3DCC-B934-625D436B4CB1> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/CommonPanels.framework/Versions/A/CommonPanels
    0x7fff8f3b6000 -     0x7fff8f402fff  com.apple.framework.CoreWLAN (3.4 - 340.18) <3735FB49-30C0-3B11-BE25-2ACDD96041B5> /System/Library/Frameworks/CoreWLAN.framework/Versions/A/CoreWLAN
    0x7fff8f41b000 -     0x7fff8f42eff7  com.apple.LangAnalysis (1.7.0 - 1.7.0) <023D909C-3AFA-3438-88EB-05D0BDA5AFFE> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
    0x7fff8f481000 -     0x7fff8f4adfff  com.apple.framework.Apple80211 (8.5 - 850.252) <73506CA1-CF76-3A98-A6F2-3DDAC10CB67A> /System/Library/PrivateFrameworks/Apple80211.framework/Versions/A/Apple80211
    0x7fff8f4ae000 -     0x7fff8f4bcff7  libsystem_network.dylib (77.10) <2AAA67A1-525E-38F0-8028-1D2B64716611> /usr/lib/system/libsystem_network.dylib
    0x7fff8f4bd000 -     0x7fff8f505fff  libcurl.4.dylib (69.2) <EBDBF42D-E4A6-3D05-A76B-2817D79D59E2> /usr/lib/libcurl.4.dylib
    0x7fff8f570000 -     0x7fff8f58bff7  com.apple.frameworks.preferencepanes (15.1 - 15.1) <8A3CDC5B-9FA5-32EB-A066-F19874193B92> /System/Library/Frameworks/PreferencePanes.framework/Versions/A/PreferencePanes
    0x7fff8f58c000 -     0x7fff8f81dff7  com.apple.RawCamera.bundle (5.03 - 729) <DBA059CC-E78F-356F-B435-DA62A746F4D4> /System/Library/CoreServices/RawCamera.bundle/Contents/MacOS/RawCamera
    0x7fff8f82b000 -     0x7fff8f82dff7  libunc.dylib (25) <2FDC94A7-3039-3680-85F3-2164E63B464D> /usr/lib/system/libunc.dylib
    0x7fff8f82e000 -     0x7fff8f871ff7  com.apple.RemoteViewServices (2.0 - 80.6) <5CFA361D-4853-3ACC-9EFC-A2AC1F43BA4B> /System/Library/PrivateFrameworks/RemoteViewServices.framework/Versions/A/RemoteViewServices
    0x7fff90128000 -     0x7fff90137ff7  libxar.1.dylib (105) <B6A7C8AA-3E20-3A1D-A7BA-4FD0052FA508> /usr/lib/libxar.1.dylib
    0x7fff90138000 -     0x7fff90177ff7  com.apple.QD (3.42.1 - 285.1) <77A20C25-EBB5-341C-A05C-5D458B97AD5C> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/QD.framework/Versions/A/QD
    0x7fff90238000 -     0x7fff902d2fff  libvMisc.dylib (380.10) <A7F12764-A94C-36EB-88E0-F826F5AF55B4> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
    0x7fff902d3000 -     0x7fff90317fff  libcups.2.dylib (327.7) <9F35B58A-F47E-348A-8E09-E235FA4B9270> /usr/lib/libcups.2.dylib
    0x7fff9035b000 -     0x7fff9038ffff  com.apple.securityinterface (6.0 - 55024.4) <614C9B8E-2056-3A41-9A01-DAF74C97CC43> /System/Library/Frameworks/SecurityInterface.framework/Versions/A/SecurityInterface
    0x7fff90390000 -     0x7fff90410ff7  com.apple.ApplicationServices.ATS (332 - 341.1) <39B53565-FA31-3F61-B090-C787C983142E> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/ATS
    0x7fff90411000 -     0x7fff90466ff7  libTIFF.dylib (851) <7706BB07-E7E8-38BE-A5F0-D8B63E3B9283> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
    0x7fff904f8000 -     0x7fff906f8fff  libicucore.A.dylib (491.11.3) <5783D305-04E8-3D17-94F7-1CEAFA975240> /usr/lib/libicucore.A.dylib
    0x7fff907a1000 -     0x7fff907b6fff  com.apple.ImageCapture (8.0 - 8.0) <71B24609-DEE9-3927-9C82-62E72270299C> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture.framework/Versions/A/ImageCapture
    0x7fff907b7000 -     0x7fff907b7fff  com.apple.vecLib (3.8 - vecLib 3.8) <6CBBFDC4-415C-3910-9558-B67176447789> /System/Library/Frameworks/vecLib.framework/Versions/A/vecLib
    0x7fff907b9000 -     0x7fff907c5fff  libCSync.A.dylib (333.1) <319D3E83-8086-3990-8773-872F2E7C6EB3> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCSync.A.dylib
    0x7fff907c6000 -     0x7fff907cbfff  libcache.dylib (57) <65187C6E-3FBF-3EB8-A1AA-389445E2984D> /usr/lib/system/libcache.dylib
    0x7fff907cc000 -     0x7fff907ccffd  com.apple.audio.units.AudioUnit (1.9.2 - 1.9.2) <6D314680-7409-3BC7-A807-36341411AF9A> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
    0x7fff907f6000 -     0x7fff907fdfff  libGFXShared.dylib (8.10.1) <B4AB9480-2CDB-34F8-8D6F-F5A2CFC221B0> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.dylib
    0x7fff90923000 -     0x7fff909f6ff7  com.apple.DiscRecording (7.0 - 7000.2.4) <D62DA01B-5B60-3E99-9395-C11FB47E82E0> /System/Library/Frameworks/DiscRecording.framework/Versions/A/DiscRecording
    0x7fff909f7000 -     0x7fff90f67ff7  com.apple.CoreAUC (6.22.03 - 6.22.03) <A77BC97A-B695-3F7E-8696-5B2357C2726B> /System/Library/PrivateFrameworks/CoreAUC.framework/Versions/A/CoreAUC
    0x7fff90f68000 -     0x7fff910d9ff7  com.apple.QTKit (7.7.1 - 2599.41) <A645347D-3EEC-34A7-8051-A57AC60151EF> /System/Library/Frameworks/QTKit.framework/Versions/A/QTKit
    0x7fff910da000 -     0x7fff910dcfff  libquarantine.dylib (52.1) <143B726E-DF47-37A8-90AA-F059CFD1A2E4> /usr/lib/system/libquarantine.dylib
    0x7fff910dd000 -     0x7fff910e1fff  libGIF.dylib (851) <AD40D084-6E34-38CD-967D-705F94B188DA> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
    0x7fff910e2000 -     0x7fff910e5fff  com.apple.AppleSystemInfo (2.0 - 2) <C9D7F3A6-F926-39F3-8F55-A3A137DDAE50> /System/Library/PrivateFrameworks/AppleSystemInfo.framework/Versions/A/AppleSystemInfo
    0x7fff910e6000 -     0x7fff9117aff7  com.apple.CorePDF (2.2 - 2.2) <F17D7D37-4190-38E2-9F43-DD4F87792390> /System/Library/PrivateFrameworks/CorePDF.framework/Versions/A/CorePDF
    0x7fff9117b000 -     0x7fff9118afff  com.apple.opengl (1.8.10 - 1.8.10) <AD49CF56-B7C1-3598-8610-58532FC41345> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
    0x7fff9118b000 -     0x7fff9118bfff  com.apple.CoreServices (57 - 57) <45F1466A-8264-3BB7-B0EC-E5E5BFBED143> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
    0x7fff9118c000 -     0x7fff91196fff  com.apple.speech.recognition.framework (4.1.5 - 4.1.5) <5A4B532E-3428-3F0A-8032-B0AFFF72CA3D> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SpeechRecognition.framework/Versions/A/SpeechRecognition
    0x7fff91197000 -     0x7fff911acff7  libdispatch.dylib (228.23) <D26996BF-FC57-39EB-8829-F63585561E09> /usr/lib/system/libdispatch.dylib
    0x7fff911fd000 -     0x7fff91257fff  com.apple.print.framework.PrintCore (8.3 - 387.2) <5BA0CBED-4D80-386A-9646-F835C9805B71> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/PrintCore.framework/Versions/A/PrintCore
    0x7fff91258000 -     0x7fff91263ff7  com.apple.aps.framework (3.0 - 3.0) <DEF85257-2D1C-3524-88F8-CF70980726AE> /System/Library/PrivateFrameworks/ApplePushService.framework/Versions/A/ApplePushService
    0x7fff91264000 -     0x7fff91268fff  libCGXType.A.dylib (333.1) <16625094-813E-39F8-9AFE-C1A24ED11749> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCGXType.A.dylib
    0x7fff91771000 -     0x7fff9195bff7  com.apple.CoreFoundation (6.8 - 744.19) <0F7403CA-2CB8-3D0A-992B-679701DF27CA> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7fff9195c000 -     0x7fff91996fff  com.apple.framework.internetaccounts (2.1 - 210) <546769AA-C561-3C17-8E8E-4E65A700E2F1> /System/Library/PrivateFrameworks/InternetAccounts.framework/Versions/A/InternetAccounts
    0x7fff91997000 -     0x7fff91a35ff7  com.apple.ink.framework (10.8.2 - 150) <3D8D16A2-7E01-3EA1-B637-83A36D353308> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Ink.framework/Versions/A/Ink
    0x7fff91a38000 -     0x7fff91a45ff7  com.apple.NetAuth (4.0 - 4.0) <A4A21A2F-B26A-3DC9-95E4-DAFA43A4A2C3> /System/Library/PrivateFrameworks/NetAuth.framework/Versions/A/NetAuth
    0x7fff91a46000 -     0x7fff91a89ff7  com.apple.bom (12.0 - 192) <0EFE0F2D-B6DE-3D1E-93C2-EED6D96F70A2> /System/Library/PrivateFrameworks/Bom.framework/Versions/A/Bom
    0x7fff91aa1000 -     0x7fff91aebff7  libGLU.dylib (8.10.1) <6699DEA6-9EEB-3B84-A57F-B25AE44EC584> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLU.dylib
    0x7fff91aec000 -     0x7fff91c61ff7  com.apple.CFNetwork (596.5 - 596.5) <22372475-6EF4-3A04-83FC-C061FE4717B3> /System/Library/Frameworks/CFNetwork.framework/Versions/A/CFNetwork
    0x7fff91c62000 -     0x7fff91d5fff7  libxml2.2.dylib (22.3) <7FD09F53-83DA-3ECD-8DD9-870E1A2F0427> /usr/lib/libxml2.2.dylib
    0x7fff91d60000 -     0x7fff91d91ff7  com.apple.DictionaryServices (1.2 - 184.4) <FB0540FF-5034-3591-A28D-6887FBC220F7> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
    0x7fff91d92000 -     0x7fff91dcffef  libGLImage.dylib (8.10.1) <91E31B9B-4141-36D5-ABDC-20F1D6D1D0CF> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
    0x7fff91dda000 -     0x7fff91de1fff  com.apple.phonenumbers (1.1 - 47) <0EB01ED6-F8DD-3A72-89C6-BA3E7AD805C8> /System/Library/PrivateFrameworks/PhoneNumbers.framework/Versions/A/PhoneNumbers
    0x7fff91de2000 -     0x7fff91f40fef  com.apple.MediaControlSender (1.7 - 170.20) <853BE89D-49B0-3922-9ED5-DDBDE9A97356> /System/Library/PrivateFrameworks/MediaControlSender.framework/Versions/A/MediaControlSender
    0x7fff91f41000 -     0x7fff91f4cfff  com.apple.CommonAuth (3.0 - 2.0) <1CA95702-DDC7-3ADB-891E-7F037ABDDA14> /System/Library/PrivateFrameworks/CommonAuth.framework/Versions/A/CommonAuth
    0x7fff91f4d000 -     0x7fff91f7bfff  com.apple.CoreServicesInternal (154.3 - 154.3) <F4E118E4-E327-3314-83D7-EA20B1717ED0> /System/Library/PrivateFrameworks/CoreServicesInternal.framework/Versions/A/CoreServicesInternal
    0x7fff91fa7000 -     0x7fff92003fff  com.apple.corelocation (1239.40 - 1239.40) <2F743CD8-A9F5-3375-A3B0-BB0D756FC239> /System/Library/Frameworks/CoreLocation.framework/Versions/A/CoreLocation
    0x7fff92004000 -     0x7fff92106fff  libJP2.dylib (851) <26FFBDBF-9CCE-33D7-A45B-0A31C98DA37E> /System/Library/Frameworks/ImageIO.framework/Versions/A/Resources/libJP2.dylib
    0x7fff9210b000 -     0x7fff92118fff  libbz2.1.0.dylib (29) <CE9785E8-B535-3504-B392-82F0064D9AF2> /usr/lib/libbz2.1.0.dylib
    0x7fff92119000 -     0x7fff92187ff7  com.apple.framework.IOKit (2.0.1 - 755.42.1) <A90038ED-48F2-3CC9-A042-53A3D7985844> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
    0x7fff9224c000 -     0x7fff9234afff  com.apple.QuickLookUIFramework (4.0 - 555.5) <EE02B332-20F3-3226-A022-D71B808E1CC4> /System/Library/Frameworks/Quartz.framework/Versions/A/Frameworks/QuickLookUI.framework/Versions/A/QuickLookUI

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 15
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 5196
    thread_create: 1
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=303.2M resident=212.8M(70%) swapped_out_or_unallocated=90.3M(30%)
Writable regions: Total=1.7G written=1.2G(68%) resident=1.6G(92%) swapped_out=25.8M(1%) unallocated=142.5M(8%)
 
REGION TYPE                      VIRTUAL
===========                      =======
ATS (font support)                 31.8M
ATS (font support) (reserved)         8K        reserved VM address space (unallocated)
CG backing stores                   872K
CG image                            180K
CG raster data                     2380K
CG shared images                    224K
CoreImage                            12K
CoreServices                       2324K
IOKit                                 4K
MALLOC                             43.5M
MALLOC guard page                    48K
Memory tag=242                       12K
Memory tag=251                       24K
OpenCL                              108K
STACK GUARD                        56.0M
Stack                              11.6M
VM_ALLOCATE                         1.7G
__DATA                             24.2M
__IMAGE                             528K
__LINKEDIT                         98.5M
__TEXT                            204.7M
__UNICODE                           544K
mapped file                       124.2M
shared memory                      7428K
===========                      =======
TOTAL                               2.2G
TOTAL, minus reserved VM space      2.2G

Model: MacBookPro10,1, BootROM MBP101.00EE.B03, 4 processors, Intel Core i7, 2.7 GHz, 16 GB, SMC 2.3f36
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In, 512 MB
Graphics: NVIDIA GeForce GT 650M, NVIDIA GeForce GT 650M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434314753364D465238432D50422020
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x80AD, 0x484D5434314753364D465238432D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xEF), Broadcom BCM43xx 1.0 (5.106.98.100.17)
Bluetooth: Version 4.1.7f4 12974, 3 service, 21 devices, 3 incoming serial ports
Network Service: Thunderbolt Ethernet, Ethernet, en1
Network Service: Wi-Fi, AirPort, en0
PCI Card: Apple 57762-A0, sppci_ethernet, Thunderbolt@10,0,0
Serial ATA Device: APPLE SSD SD512E, 500.28 GB
USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1a100000 / 2
USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x8510, 0x1a110000 / 3
USB Device: hub_device, 0x8087  (Intel Corporation), 0x0024, 0x1d100000 / 2
USB Device: hub_device, 0x0424  (SMSC), 0x2512, 0x1d180000 / 3
USB Device: BRCM20702 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0x1d181000 / 5
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8286, 0x1d181300 / 7
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0262, 0x1d182000 / 4
Based on a tip from mstange, I narrowed this down to the Gecko Profiler extension; with the extension enabled I get the crash any time I shut down the browser, and with it disabled I don't.

I still see the crash if I stop the profiler before shutting down.
Component: JavaScript Engine: JIT → Gecko Profiler
Guessing it's a regression from bug 841646.

The JS engine is responsible for setting a JSRuntime when it's initialize and ready to respond to a js::EnableRuntimeProfilingStack request.

It's also responsible to set that JSRuntime to null once it's no longer ready to respond to js::EnableRuntimeProfilingStack on shutdown. It looks like bug 841646 would have regressed that.
Component: Gecko Profiler → JavaScript Engine
Depends on: 841646
Flags: needinfo?(emanuel.hoogeveen)
When GeckoProfilerInitRAII profilerGuard in XRE_main goes out of scope it calls profiler_shutdown(), which calls mozilla_sampler_shutdown(), which calls profiler_stop(), which calls mozilla_sampler_stop(), which calls PseudoStack::disableJSSampling(), which calls js::EnableRuntimeProfilingStack(mRuntime, false) because mRuntime isn't null. All this ends up doing is discarding JITted code, so I assume there's no need during shutdown.

There are only two places where mRuntime gets set in the first place: 1) WorkerThreadPrimaryRunnable::Run, which calls PseudoStack::sampleRuntime(nullptr) before returning, and XPCJSRuntime::XPCJSRuntime(), which calls PseudoStack::sampleRuntime(nullptr) in its destructor. I assume the latter is happening after GeckoProfilerInitRAII's destructor, but I can't find where XPCJSRuntime is created (the trail leads to nsXPConnect's constructor, but I can't trace that back to XRE_main).

I don't think bug 841646 caused this behavior, but it did potentially make jit::InvalidateAll do more work. In any case, it looks like we can just call PseudoStack::sampleRuntime(nullptr) in mozilla_sampler_shutdown() to ensure mRuntime is null here. The attached patch does this.

Seems to work locally, but then I haven't seen this crash myself. Try run: https://tbpl.mozilla.org/?tree=Try&rev=38806b4f6a74

Benoit, what do you think?
Assignee: nobody → emanuel.hoogeveen
Status: NEW → ASSIGNED
Attachment #8375733 - Flags: review?(bgirard)
Flags: needinfo?(emanuel.hoogeveen)
Comment on attachment 8375733 [details] [diff] [review]
Ensure the Pseudo Stack's mRuntime is null before shutting down the profiler

Cancelling review request for now given IRC discussion. I'll have to get back to this tomorrow.
Attachment #8375733 - Flags: review?(bgirard)
Duplicate of this bug: 973093
Still trying to figure out how all of this fits together. I finally figured how startup works. For the record, this is what happens:

main() calls do_main()
do_main() calls XRE_main()
XRE_main() creates an XREMain on the stack
XRE_main() calls XREMain::XRE_main() on the XREMain
XREMain::XRE_main() creates a GeckoProfilerInitRAII on the stack
...
XREMain::XRE_main() allocates a new ScopedXPCOMStartup on the heap
XREMain::XRE_main() calls ScopedXPCOMStartup::Initialize() on the ScopedXPCOMStartup*
ScopedXPCOMStartup::Initialize() calls the public NS_InitXPCOM2()
public NS_InitXPCOM2() calls xpcomFunctions.init() which points to the private NS_InitXPCOM2()
private NS_InitXPCOM2() allocates a new nsComponentManagerImpl on the heap
private NS_InitXPCOM2() calls nsComponentManagerImpl::Init() on the nsComponentManagerImpl*
nsComponentManagerImpl::Init() calls nsComponentManagerImpl::InitializeStaticModules()
nsComponentManagerImpl::InitializeStaticModules() initializes nsComponentManagerImpl::sStaticModules with functions from kPStaticModules
...
nsComponentManagerImpl::Init() calls nsComponentManagerImpl::RegisterModule() on all elements of nsComponentManagerImpl::sStaticModules
nsComponentManagerImpl::RegisterModule() creates a new KnownModule on the heap and appends it to its mKnownStaticModules member
nsComponentManagerImpl::RegisterModule() calls nsComponentManagerImpl::RegisterCIDEntryLocked() with the KnownModule
nsComponentManagerImpl::RegisterCIDEntryLocked() allocates a new nsFactoryEntry on the heap and adds it to its mFactories member
...
private NS_InitXPCOM2() calls do_GetService("@mozilla.org/moz/jsloader;1") which returns an nsGetServiceByContractID
private NS_InitXPCOM2() assigns the nsGetServiceByContractID to an nsCOMPtr<nsISupports>
nsCOMPtr<T>::operator=() calls nsCOMPtr<T>::assign_from_gs_contractid()
nsCOMPtr<T>::assign_from_gs_contractid() calls nsGetServiceByContractID::operator()()
nsGetServiceByContractID::operator()() calls CallGetService()
CallGetService() calls nsComponentManagerImpl::GetServiceByContractID()
nsComponentManagerImpl::GetServiceByContractID() calls nsComponentManagerImpl::CreateInstanceByContractID()
nsComponentManagerImpl::CreateInstanceByContractID() calls nsComponentManagerImpl::GetFactoryEntry() on the contract ID
nsComponentManagerImpl::CreateInstanceByContractID() calls nsFactoryEntry::GetFactory() on the factory entry
nsFactoryEntry::GetFactory() calls nsComponentManagerImpl::KnownModule::Load() on its mModule member
nsComponentManagerImpl::KnownModule::Load() calls mozilla::Module::loadProc() on its mModule member
mozilla::Module::loadProc() on mModule calls kLayoutModule.loadProc() which points to Initialize()
Initialize() calls xpcModuleCtor()
xpcModuleCtor() calls nsXPConnect::InitStatics()
nsXPConnect::InitStatics() allocates a new nsXPConnect on the heap
nsXPConnect::nsXPConnect() calls XPCJSRuntime::newXPCJSRuntime()
XPCJSRuntime::newXPCJSRuntime() allocates a new XPCJSRuntime on the heap
XPCJSRuntime::XPCJSRuntime() calls CycleCollectedJSRuntime::CycleCollectedJSRuntime()
CycleCollectedJSRuntime::CycleCollectedJSRuntime() calls JS_NewRuntime()
JS_NewRuntime() allocates a new JSRuntime on the heap
...
XPCJSRuntime::XPCJSRuntime() calls CycleCollectedJSRuntime::Runtime() to get its JSRuntime*
XPCJSRuntime::XPCJSRuntime() calls PseudoStack::sampleRuntime(runtime)
Duplicate of this bug: 973250
Duplicate of this bug: 973224
I've had no luck reproducing this on Windows so far (opt or debug). To those of you who get this crash, do you have steps to reproduce starting from a fresh profile? (you'll need the SPS profiler extension, presumably)

What I think is happening here is that something is keeping the main thread XPCJSRuntime alive even after XPCOM has shut down. Then JS_ShutDown() shuts down some JIT stuff, and GeckoProfilerInitRAII::~GeckoProfilerInitRAII() ends up trying to access it. But adding some printfs on Windows, I see the right sequence of events happening (XPCJSRuntime::~XPCJSRuntime() followed by JS_ShutDown() followed by GeckoProfilerInitRAII::~GeckoProfilerInitRAII()) and don't get a crash.
Flags: needinfo?(reuben.bmo)
Flags: needinfo?(milan)
Flags: needinfo?(irving)
Flags: needinfo?(gijskruitbosch+bugs)
(In reply to Emanuel Hoogeveen [:ehoogeveen] from comment #9)
> I've had no luck reproducing this on Windows so far (opt or debug). To those
> of you who get this crash, do you have steps to reproduce starting from a
> fresh profile? (you'll need the SPS profiler extension, presumably)

On OS X:
0) download https://github.com/bgirard/Gecko-Profiler-Addon/blob/master/geckoprofiler.xpi to local disk
1) new profile on current nightly (Feb 16 at time of writing)
2) don't set browser as default, don't ask again (probably not important)
3) drag xpi from (0) to the about:home page that's now open
4) click install
5) close doorhanger after install
6) cmd-q

reproduces this 100% of the time for me. I've not tried to reproduce on Windows.
Flags: needinfo?(gijskruitbosch+bugs)
Same SPS as in comment 10 for me, on OS X 10.8.5, with the profiler extension enabled.
Flags: needinfo?(milan)
Same STR as Gijs' in comment 10, I don't use Windows.
Flags: needinfo?(reuben.bmo)
Success! I got this to reproduce on Linux using a clang opt build. No luck with GCC or debug. I also confirmed my suspicion: JS_ShutDown() and GeckoProfilerInitRAII::~GeckoProfilerInitRAII() get called before XPCJSRuntime::~XPCJSRuntime(), causing the segfault. I still need to figure out what's holding the XPCJSRuntime alive, but at least I can debug it now.
Flags: needinfo?(irving)
The exact place this is crashing is http://dxr.mozilla.org/mozilla-central/source/js/src/jsworkers.cpp#148, because while helper.ionBuilder isn't *null* it is 0x5a5a5a5a (32-bit) or 0x5a5a5a5a5a5a5a5a (64-bit). This is the memory poisoning on free added in bug 860254, and explains why a lot more people are hitting this now.

The fact remains that we shouldn't be here at all - JS_ShutDown() has already happened so any JIT related structures are probably a mess. But preventing us from getting there without fixing the leak looks like a difficult proposition (for instance, JS_ShutDown() can't get access to the PseudoStack directly because the symbols for it are in a different lib).
After talking with mccr8 on IRC, it turns out that the leaks I was seeing were simply a consequence of not running CC on shutdown in opt builds by default. If I change the relevant line to enable them when the profiler is enabled, the crash goes away! That also explains why these only happen in opt builds, though not why only clang seems to be affected. Patches coming up.
Well, presumably there's some Clang-specific behavior that is causing us to not tear down some data structure without shutdown collections.  The question is really, is it worth the effort of figuring out what it is to improve shutdown speed when the profiler is enabled.  That's not really a question I can answer.
I found this while debugging this issue; the fix is small enough that it didn't seem worth making a new bug for. The profiler uses NS_ConvertUTF16toUTF8().get() to convert a string, but the pointer returned is only a temporary and the NS_ConvertUTF16toUTF8 is destroyed afterward. After bug 860254, the deallocated memory shows up as a long string of 'Z's (0x5a) and we crash. This patch
1) Makes sure the filename exists before we try to convert it. As far as I can tell, NS_ConvertUTF16toUTF8 and its base classes do not deal with null pointers.
2) Passes NS_ConvertUTF16toUTF8().get() directly into the IOMarkerPayload constructor - the C++ spec guarantees that the temporary will stay around until the end of the expression, which in this case includes the function call.
3) Adds a null check in IOMarkerPayload's constructor before trying to duplicate the string, as strdup() doesn't handle null.
Attachment #8377688 - Flags: review?(bgirard)
This patch changes the #ifndef in nsCycleCollector::Shutdown() so that the shutdown collections will happen if the profiler is available, fixing the (temporary) leaks and the crash.
Attachment #8375733 - Attachment is obsolete: true
Attachment #8377694 - Flags: review?(continuation)
Attachment #8377694 - Flags: review?(bgirard)
Comment on attachment 8377694 [details] [diff] [review]
Part 1: Run shutdown collections when the profiler is enabled to avoid leaking and crashing on profiler shutdown.

Review of attachment 8377694 [details] [diff] [review]:
-----------------------------------------------------------------

I'll defer to Benoit's judgement here, but I don't think we want to re-enable shutdown collections in any build that has the profiler enabled.  That seems a little heavy-handed.
Attachment #8377694 - Flags: review?(continuation) → review-
I guess a runtime check would be better here; should be doable. But I do think we need to either do a shutdown collection when the profiler is actually active, or do attachment 8375733 [details] [diff] [review] to ensure we don't crash here. Even if we track down the transient leaks that clang builds have, it's pretty scary that a leak can cause this behavior.
Comment on attachment 8377688 [details] [diff] [review]
Part 0: Fix a use after free error in the profiler exposed by write poisoning.

Review of attachment 8377688 [details] [diff] [review]:
-----------------------------------------------------------------

::: tools/profiler/ProfilerIOInterposeObserver.cpp
@@ +40,4 @@
>  
> +  IOMarkerPayload* markerPayload =
> +    new IOMarkerPayload(aObservation.Reference(),
> +                        filenameUTF16 ? NS_ConvertUTF16toUTF8(filenameUTF16).get() : nullptr,

What's the lifetime of this object? Maybe we should keep it on the stack to be safe.
Attachment #8377688 - Flags: review?(bgirard) → review+
Carrying forward r=BenWa.

(In reply to Benoit Girard (:BenWa) from comment #21)
> What's the lifetime of this object? Maybe we should keep it on the stack to
> be safe.

Do you mean the lifetime of the NS_ConvertUTF16toUTF8 object? Its destructor shouldn't run until after IOMarkerPayload's constructor returns (at which point the characters pointed to by NS_ConvertUTF16toUTF8::get() have been copied into another buffer).

But actually, this does seem a bit cleaner, and it's a common pattern across the tree (now that I actually know what I'm looking for).
Attachment #8377688 - Attachment is obsolete: true
Attachment #8377763 - Flags: review+
Ah, it looks like someone already got to it first. I still think the null checks are worthwhile though. Still carrying r=BenWa since I just rebased the patch, but I updated the description to match the fix.
Attachment #8377763 - Attachment is obsolete: true
Attachment #8377782 - Flags: review+
Actually, here's an alternative patch that I think is probably better. This is similar to my initial patch, except we clear out the PseudoStack's runtime in nsXPConnect::ReleaseXPConnectSingleton() instead. This is just after XPCJSRuntime::~XPCJSRuntime() would be called normally (if the shutdown collections happened), so I think this is the least bad place for it.

With this I think it would also be possible to remove the equivalent calls from XPCJSRuntime::~XPCJSRuntime() - from what I can see, we only ever create one XPCJSRuntime on the main thread - but I don't know if that's a good idea in general. For now I've made it so this code only runs if NS_RELEASE2() returned a non-zero reference count.

bholley, there's a comment in the patch, but a few additional notes:
1) I considered putting this in JS_ShutDown(), but that function lives in js/src/jsapi.cpp, doesn't know about MOZ_ENABLE_PROFILER_SPS and isn't part of libxul, so that would have gotten complicated.
2) I considered making this code opt-only since debug builds run the shutdown collections; but if there's an actual leak, the debug builds will tell us anyway and it's not very helpful for it to crash the browser.
3) We could do the shutdown collections if the profiler is active, but that would still cause a crash on actual leaks as well.

Incidentally, I can also reproduce this crash now on MSVC opt builds - likely bug 860254 made it show up much more consistently. With this patch, the crash is fixed for me on both MSVC opt and clang opt builds (I didn't retry gcc).
Attachment #8377694 - Attachment is obsolete: true
Attachment #8377694 - Flags: review?(bgirard)
Attachment #8378372 - Flags: review?(bobbyholley)
Attachment #8378372 - Flags: review?(bgirard)
Comment on attachment 8378372 [details] [diff] [review]
Part 1: During shutdown, tell the profiler that the main thread JSRuntime is gone even if we leak.

Review of attachment 8378372 [details] [diff] [review]:
-----------------------------------------------------------------

::: js/xpconnect/src/nsXPConnect.cpp
@@ +170,5 @@
> +        // various JIT related structures in JS_ShutDown(), so we need to make
> +        // sure the SPS profiler can't access them when it shuts down.
> +        PseudoStack *stack = mozilla_get_pseudo_stack();
> +        if (cnt && stack)
> +            stack->sampleRuntime(nullptr);

There's no interesting JS activity after this point we want to track right?
(In reply to Benoit Girard (:BenWa) from comment #25)
> There's no interesting JS activity after this point we want to track right?

At this point in debug builds (or builds run with the XPCOM_CC_RUN_DURING_SHUTDOWN environment variable set), the JSRuntime is gone (and XPCJSRuntime::~XPCJSRuntime() will have called stack->sampleRuntime(nullptr)). In opt builds it's technically still alive, but JS_ShutDown() happens right afterward, so it's probably not safe to track anything even if we could. One of the things JS_ShutDown() does is call GlobalWorkerThreadState::finish(), which destroys the helper threads and associated condvars and locks.
Comment on attachment 8378372 [details] [diff] [review]
Part 1: During shutdown, tell the profiler that the main thread JSRuntime is gone even if we leak.

Review of attachment 8378372 [details] [diff] [review]:
-----------------------------------------------------------------

::: js/xpconnect/src/nsXPConnect.cpp
@@ +158,1 @@
>  nsXPConnect::ReleaseXPConnectSingleton()

I don't understand - why do we want to do this here and not in ~XPCJSRuntime? Sorry if this is buried in the context of this bug somewhere.

@@ +170,5 @@
> +        // various JIT related structures in JS_ShutDown(), so we need to make
> +        // sure the SPS profiler can't access them when it shuts down.
> +        PseudoStack *stack = mozilla_get_pseudo_stack();
> +        if (cnt && stack)
> +            stack->sampleRuntime(nullptr);

This nulls out a stored runtime reference? The name here confuses me - it looks like it's taking a sample. Maybe be more explicit in the comments what exactly we're nulling out? I don't really know how the SPS profiler works.
Attachment #8378372 - Flags: review?(bgirard) → review+
(In reply to Bobby Holley (:bholley) from comment #27)
> I don't understand - why do we want to do this here and not in
> ~XPCJSRuntime? Sorry if this is buried in the context of this bug somewhere.

We do this in ~XPCJSRuntime already - but that only gets called from ~nsXPConnect (http://dxr.mozilla.org/mozilla-central/source/js/xpconnect/src/nsXPConnect.cpp#120), so if the nsXPConnect object sticks around because there are still references to it, the ~XPCJSRuntime never happens and we're in trouble. Because we don't do the shutdown collection in opt builds (we leak intentionally), that's what ends up happening.

> @@ +170,5 @@
> This nulls out a stored runtime reference? The name here confuses me - it
> looks like it's taking a sample. Maybe be more explicit in the comments what
> exactly we're nulling out? I don't really know how the SPS profiler works.

It sets the runtime *to* sample. If you pass in nullptr, it nulls out its internal reference to the runtime and returns early. I agree the name is a bit confusing. How about this?

        // In optimized builds we don't do shutdown collections by default,
        // so uncollected (garbage) objects may keep the nsXPConnect singleton
        // alive, and its XPCJSRuntime along with it. However, we still
        // destroy various bits of state in JS_ShutDown(), so we need to make
        // sure the profiler can't access them when it shuts down. This call
        // nulls out the pseudo-stack's internal reference to the JSRuntime.
OK. In that case, this seems pretty divorced from XPConnect lifetime management, and it seems like it would make more sense to put this both in ~XPCJSRuntime and right before the call to JS_Shutdown, right?
The reason I put the call in nsXPConnect::ReleaseXPConnectSingleton() is that it's the last common point - if the ~nsXPConnect call happens as a result, the XPCJSRuntime is destroyed; if it doesn't, we leak. In addition I could gate the call on the reference count after the NS_RELEASE2 call. But I'm not particularly married to the location and this call is cheap, so here's a patch that moves it to just before JS_ShutDown in ShutdownXPCOM.

I guess this is technically in a different module, so let me know if I should switch reviewer.
Attachment #8378372 - Attachment is obsolete: true
Attachment #8378372 - Flags: review?(bobbyholley)
Attachment #8378526 - Flags: review?(bobbyholley)
Comment on attachment 8378526 [details] [diff] [review]
Part 1 v2: During shutdown, tell the profiler that the main thread JSRuntime is gone even if we leak.

Review of attachment 8378526 [details] [diff] [review]:
-----------------------------------------------------------------

r=bholley with that.

::: xpcom/build/nsXPComInit.cpp
@@ +837,5 @@
> +    // uncollected (garbage) objects may keep the nsXPConnect singleton alive,
> +    // and its XPCJSRuntime along with it. However, we still destroy various
> +    // bits of state in JS_ShutDown(), so we need to make sure the profiler
> +    // can't access them when it shuts down. This call nulls out the
> +    // JS pseudo-stack's internal reference to the main thread JSRuntime.

Make a note here that we also invoke this in XPCJSRuntime::~XPCJSRuntime for the case where the Runtime dies correctly, and that this potentially-additional idempotent call is just guarding against the case where it doesn't die.
Attachment #8378526 - Flags: review?(bobbyholley) → review+
Carrying forward r=bholley.

(In reply to Bobby Holley (:bholley) from comment #31)
> Make a note here that we also invoke this in XPCJSRuntime::~XPCJSRuntime for
> the case where the Runtime dies correctly, and that this
> potentially-additional idempotent call is just guarding against the case
> where it doesn't die.

Done.
Attachment #8378526 - Attachment is obsolete: true
Attachment #8378688 - Flags: review+
Setting checkin-needed. This never showed up on tbpl so a full try push wouldn't make much sense (though it would be nice if we had better test coverage of this), but I made sure that this builds everywhere (using part 1 v1, admittedly): https://tbpl.mozilla.org/?tree=Try&rev=5a3b12ea97d6
Keywords: checkin-needed
https://hg.mozilla.org/mozilla-central/rev/370a4a9486a6
https://hg.mozilla.org/mozilla-central/rev/6ef599b12a44
Status: ASSIGNED → RESOLVED
Closed: 6 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla30
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