iOS14.6 arm64e crash #85505
Labels
c: fatal crash
Crashes that terminate the process
dependency: skia
Skia team may need to help us
engine
flutter/engine repository. See also e: labels.
P2
Important issues not at the top of the work list
platform-ios
iOS applications specifically
Comments
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The stack trace does not make much sense. I think it is incorrectly symbolised. Can you paste the full unsymbolized stack trace? Also please paste more information about the crash (is it sigsegv type of the crash or something else). |
mraleph
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the
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@mraleph thank you for your reply, image_load_address 0x10E2E4000
type: signal SIGSEGV
Crashed thread 0x00000029#0
2 libsystem_platform.dylib 0x529c 4F256518-F4E4-35C7-BA0E-3F0C26B9D24E 21148
3 Flutter 0x5dddec Flutter 6151660
4 Flutter 0x5dddec Flutter 6151660
5 Flutter 0x34da2c Flutter 3463724
6 Flutter 0x34c1d8 Flutter 3457496
7 Flutter 0x34c3a0 Flutter 3457952
8 Flutter 0x3ed638 Flutter 4118072
9 Flutter 0x5177e4 Flutter 5339108
10 Flutter 0x518154 Flutter 5341524
11 Flutter 0x51b058 Flutter 5353560
12 Flutter 0x51bbcc Flutter 5356492
13 Flutter 0x5ddbd4 Flutter 6151124
14 Flutter 0x4b9760 Flutter 4953952
15 Flutter 0x4b9484 Flutter 4953220
16 Flutter 0x32bd40 Flutter 3325248
17 Flutter 0x32ba10 Flutter 3324432
18 Flutter 0x33c3ac Flutter 3392428
19 Flutter 0x2d5fc4 Flutter 2973636
20 Flutter 0x2d7e24 Flutter 2981412
21 CoreFoundation 0xa422c 4FBDF167-161A-324C-A233-D516922C67E5 672300
22 CoreFoundation 0xa3e28 4FBDF167-161A-324C-A233-D516922C67E5 671272
23 CoreFoundation 0xa3278 4FBDF167-161A-324C-A233-D516922C67E5 668280
24 CoreFoundation 0x9d02c 4FBDF167-161A-324C-A233-D516922C67E5 643116
25 CoreFoundation 0x9c360 CFRunLoopRunSpecific 600
26 Flutter 0x2d7d00 Flutter 2981120
27 Flutter 0x2d7704 Flutter 2979588
28 libsystem_pthread.dylib 0x1bfc _pthread_start 320
29 libsystem_pthread.dylib 0xa758 thread_start 8 |
no-response
bot
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another one image_load_address 0x109E04000
type: signal SIGABRT
Crashed thread 0x00000069
2 libsystem_platform.dylib 0x630c _sigtramp 36
3 libsystem_pthread.dylib 0x5264 pthread_kill 112
4 libsystem_c.dylib 0x619c4 abort 140
5 libsystem_c.dylib 0x364dc __assert_rtn 220
6 Metal 0x39fc0 MTLReportFailure 780
7 Metal 0x1745c <redacted> 180
8 Metal 0x18664 <redacted> 284
9 AGXMetalA10 0x38c30 AGXMetalA10 232496
10 QuartzCore 0xf13f4 <redacted> 320
11 QuartzCore 0xf103c <redacted> 1524
12 Flutter 0x280ad8 Flutter 2624216
13 Flutter 0x1a47b8 Flutter 1722296
14 Flutter 0x189f48 Flutter 1613640
15 Flutter 0x175998 Flutter 1530264
16 Flutter 0x176300 Flutter 1532672
17 Flutter 0x4ff50 Flutter 327504
18 Flutter 0x4c3464 Flutter 4994148
19 Flutter 0x328c00 Flutter 3312640
20 Flutter 0x32ec50 Flutter 3337296
21 Flutter 0x32f814 Flutter 3340308
22 Flutter 0x32ef40 Flutter 3338048
23 Flutter 0x3361f4 Flutter 3367412
24 Flutter 0x2d5fc4 Flutter 2973636
25 Flutter 0x2d7e24 Flutter 2981412
26 CoreFoundation 0xdbaa4 <redacted> 28
27 CoreFoundation 0xdb7a8 <redacted> 856
28 CoreFoundation 0xdb068 <redacted> 244
29 CoreFoundation 0xd8c8c <redacted> 1484
30 CoreFoundation 0x8da4 CFRunLoopRunSpecific 424
31 Flutter 0x2d7d00 Flutter 2981120
32 Flutter 0x2d7704 Flutter 2979588
33 libsystem_pthread.dylib 0x368c <redacted> 240
34 libsystem_pthread.dylib 0x359c <redacted> 0
35 libsystem_pthread.dylib 0xcb4 thread_start 4 |
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That's all I got,I get this crash info from my code, so there is no crash.log file. |
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The first one (#85505 (comment)) symbolizes to the following stack. Looks like some sort of engine shutdown crash (/cc @jason-simmons) The second one symbolizes to the following stack. Seems to be some sort of Skia/Metal related crash (/cc @jmagman - not sure how to triage). |
TahaTesser
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in triage
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We can’t continue to open it up to more users. up to now, I open it to 10,000 users. about 100 crashes each 200,000 launch. It's beyond our standards. |
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So the two backtraces are definitely issues is different spots of the codebase and both are related to engine teardown. In a standalone Flutter application on iOS, this should only happen the the user attempts to kill the application from the launcher. @ldhlfzysys Since there are no repro steps, can you elaborate on your setup? Is this an add2app scenario? Can you verify if it only happen when quitting the application from the launcher? |
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This is an add2app scenario. quitting the application from the launcher can not find any reports in "iPhone -> Settings -> Privacy -> Analystics & Improvements" so I can not verify it @chinmaygarde I quitting the application from the launcher many times on my iPhone, did not catch any crash logs. this crash happen only 100 out of 200,000 starts. I also don't know the setups. |
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I try quitting from the launcher many times. not crash report. not analytics info. |
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@flutter-symbolizer-bot #85505 (comment) force ios engine#40441def692f444660a11e20fac37af9050245ab arm64 release |
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crash from #85505 (comment) symbolized using symbols for |
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update to 2.2.2，This crash disappeared |
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This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of |
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Engine Info:
Version 40441de
ClangVersion Apple clang version 11.0.3 (clang-1103.0.32.62)
Approximately 1 in 10,000 users have this crash, they are all iOS14.6 system and arm64e cpu. The stack information is as follows,because it's an online crash, I don't know how to reproduce it
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