[Bug 50118] New: connection_GetAdapterId infinite loop in Qt5Network.dll

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WineHQ Bugzilla

11 Nov 2020 11 Nov '20

6:39 p.m.

https://bugs.winehq.org/show_bug.cgi?id=50118

Bug ID: 50118 Summary: connection_GetAdapterId infinite loop in Qt5Network.dll Product: Wine Version: 5.17 Hardware: x86-64 OS: Linux Status: UNCONFIRMED Severity: normal Priority: P2 Component: iphlpapi Assignee: wine-bugs@winehq.org Reporter: mk939@ymail.com Distribution: ---

Created attachment 68613 --> https://bugs.winehq.org/attachment.cgi?id=68613 Command line output comparison

Application: Genshin Impact update program (launcher)

In Wine 5.17 and 5.20 "iphlpapi.GetAdaptersAddresses" seems to trigger an infinite loop which consists of this log entry:

023c:fixme:netprofm:connection_GetAdapterId 00000000023572A0, 0000000002FBB630

Greppting through the files reveals that "GetAdaptersAddresses" is used in Qt5Network.dll, hence it might also affect other applications.

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WineHQ Bugzilla

21 Dec 21 Dec

9:39 a.m.

New subject: [Bug 50118] connection_GetAdapterId infinite loop in Qt5Network.dll

https://bugs.winehq.org/show_bug.cgi?id=50118

--- Comment #1 from mk939@ymail.com --- Still reproducible in Wine 5.22, game version 1.2.0 update.

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WineHQ Bugzilla

2:18 p.m.

New subject: [Bug 50118] connection_GetAdapterId infinite loop in Qt5Network.dll

https://bugs.winehq.org/show_bug.cgi?id=50118

mk939@ymail.com changed:

--- Comment #2 from mk939@ymail.com --- I can no longer reproduce this problem with a newer launcher version. Perhaps this was an application issue.

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WineHQ Bugzilla

2:57 p.m.

New subject: [Bug 50118] Genshin Impact launcher loops infinitely, causing netprofm:connection_GetAdapterId message spam (Qt5Network.dll, iphlpapi.GetAdaptersAddresses)

https://bugs.winehq.org/show_bug.cgi?id=50118

Anastasius Focht focht@gmx.net changed:

--- Comment #3 from Anastasius Focht focht@gmx.net --- Hello,

--- quote --- Greppting through the files reveals that "GetAdaptersAddresses" is used in Qt5Network.dll, hence it might also affect other applications. --- quote ---

--- quote --- I can no longer reproduce this problem with a newer launcher version. Perhaps this was an application issue. --- quote ---

if you didn't switch the Wine version and didn't touch your Linux host network setup between last tests then it's most likely a client update.

There were few updates to 'iphlpapi' component recently:

https://source.winehq.org/git/wine.git/history/56e7cd12ce0ce3bb331a8595b25ae...

If you suspect a specific third-party library being the problem it might be useful to extract version information and also record checksum (in case vendor doesn't update version resource).

If you don't want to use tools, just upload the binary (dll) to:

https://www.virustotal.com/gui/

It will scan the binary and extract all necessary information. It also generates hashes to identify unique versions and dupes.

https://genshinimpact.mihoyo.com/client_app/launcher/20201223_d3fcf5785e92e3...

https://web.archive.org/web/20201221143329/https://genshinimpact.mihoyo.com/...

I've downloaded it and scanned 'qt5network.dll'.

--- snip --- -=[ ProtectionID v0.6.9.0 DECEMBER]=- (c) 2003-2017 CDKiLLER & TippeX Build 24/12/17-21:05:42 Ready... Scanning -> Z:\home\focht\Downloads\Qt5Network.dll File Type : 64-Bit Dll (Subsystem : Win GUI / 2), Size : 1326712 (0143E78h) Byte(s) | Machine: 0x8664 (AMD64) Compilation TimeStamp : 0x5D6EBEF2 -> Tue 03rd Sep 2019 19:28:50 (GMT) [TimeStamp] 0x5D6EBEF2 -> Tue 03rd Sep 2019 19:28:50 (GMT) | PE Header | - | Offset: 0x00000000:00000120 | VA: 0x00000001:80000120 | - [TimeStamp] 0xFFFFFFFF -> Sun 07th Feb 2106 06:28:15 (GMT) | Export | - | Offset: 0x00000000:00106944 | VA: 0x00000001:80107D44 | - [TimeStamp] 0x5D6EBEF2 -> Tue 03rd Sep 2019 19:28:50 (GMT) | DebugDirectory | - | Offset: 0x00000000:000F2CD4 | VA: 0x00000001:800F40D4 | - [TimeStamp] 0x5D6EBEF2 -> Tue 03rd Sep 2019 19:28:50 (GMT) | DebugDirectory | - | Offset: 0x00000000:000F2CF0 | VA: 0x00000001:800F40F0 | - [TimeStamp] 0x5D6EBEF2 -> Tue 03rd Sep 2019 19:28:50 (GMT) | DebugDirectory | - | Offset: 0x00000000:000F2D0C | VA: 0x00000001:800F410C | - -> File Appears to be Digitally Signed @ Offset 0142800h, size : 01678h / 05752 byte(s) [LoadConfig] Struct determined as v8 (Expected size 232 | Actual size 248) [LoadConfig] CFG (/Guard) - Handler @ 0x1:800DDF28 [LoadConfig] CFG Table @ 0x0:00000000 | 0x00 (00) entries [LoadConfig] CFG Flags : 0x100 [LoadConfig] CodeIntegrity -> Flags 0x0 | Catalog 0x0 (0) | Catalog Offset 0x0 | Reserved 0x0 [LoadConfig] GuardAddressTakenIatEntryTable 0x0:00000000 | Count 0x000000000 (00) [LoadConfig] GuardLongJumpTargetTable 0x0:00000000 | Count 0x000000000 (00) [LoadConfig] HybridMetadataPointer 0x1:00000000 | DynamicValueRelocTable 0x0:00000000 [LoadConfig] FailFastIndirectProc 0x800DA4E0:00000001 | FailFastPointer 0x800DDF38:00000001 [LoadConfig] UnknownZero1 0x0 0 [LoadConfig] CFG Data Present, yet setting is not present in the DllCharacteristics.. patched out? [File Heuristics] -> Flag #1 : 00000100000001001101000100000100 (0x0404D104) [Entrypoint Section Entropy] : 6.26 (section #0) ".text " | Size : 0xDA603 (894467) byte(s) [DllCharacteristics] -> Flag : (0x0160) -> HEVA | ASLR | DEP [SectionCount] 6 (0x6) | ImageSize 0x149000 (1347584) byte(s) [Export] 100% of function(s) (1446 of 1446) are in file | 0 are forwarded | 1393 code | 53 data | 0 uninit data | 0 unknown | [VersionInfo] Company Name : The Qt Company Ltd. [VersionInfo] Product Name : Qt5 [VersionInfo] Product Version : 5.12.5.0 [VersionInfo] File Description : C++ Application Development Framework [VersionInfo] File Version : 5.12.5.0 [VersionInfo] Original FileName : Qt5Network.dll [VersionInfo] Legal Copyrights : Copyright (C) 2019 The Qt Company Ltd. [ModuleReport] [IAT] Modules -> Qt5Core.dll | DNSAPI.dll | IPHLPAPI.DLL | ADVAPI32.dll | CRYPT32.dll | WS2_32.dll | MSVCP140.dll | KERNEL32.dll | VCRUNTIME140.dll | api-ms-win-crt-runtime-l1-1-0.dll | api-ms-win-crt-convert-l1-1-0.dll | api-ms-win-crt-stdio-l1-1-0.dll | api-ms-win-crt-string-l1-1-0.dll | api-ms-win-crt-heap-l1-1-0.dll [Debug Info] (record 1 of 3) (file offset 0xF2CD0) Characteristics : 0x0 | TimeDateStamp : 0x5D6EBEF2 (Tue 03rd Sep 2019 19:28:50 (GMT)) | MajorVer : 0 / MinorVer : 0 -> (0.0) Type : 2 (0x2) -> CodeView | Size : 0x46 (70) AddressOfRawData : 0xF8DD4 | PointerToRawData : 0xF79D4 CvSig : 0x53445352 | SigGuid 05BA99C5-D3BD-4AFF-97F3E0F46C0AD9A3 Age : 0x1 (1) | Pdb : C:\Users\qt\work\qt\qtbase\lib\Qt5Network.pdb [Debug Info] (record 2 of 3) (file offset 0xF2CEC) Characteristics : 0x0 | TimeDateStamp : 0x5D6EBEF2 (Tue 03rd Sep 2019 19:28:50 (GMT)) | MajorVer : 0 / MinorVer : 0 -> (0.0) Type : 12 (0xC) -> Undocumented | Size : 0x14 (20) AddressOfRawData : 0xF8E1C | PointerToRawData : 0xF7A1C [Debug Info] (record 3 of 3) (file offset 0xF2D08) Characteristics : 0x0 | TimeDateStamp : 0x5D6EBEF2 (Tue 03rd Sep 2019 19:28:50 (GMT)) | MajorVer : 0 / MinorVer : 0 -> (0.0) Type : 13 (0xD) -> Undocumented | Size : 0x34C (844) AddressOfRawData : 0xF8E30 | PointerToRawData : 0xF7A30 ... [!] File appears to have no protection or is using an unknown protection - Scan Took : 0.660 Second(s) [000000294h (660) tick(s)] [162 of 580 scan(s) done] --- snip ---

Maybe they've used an older version before. It could have been something else in the caller of the API though (main exe).

Regards

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WineHQ Bugzilla

8 p.m.

New subject: [Bug 50118] Genshin Impact launcher loops infinitely, causing netprofm:connection_GetAdapterId message spam (Qt5Network.dll, iphlpapi.GetAdaptersAddresses)

https://bugs.winehq.org/show_bug.cgi?id=50118

--- Comment #4 from mk939@ymail.com --- Thank you for looking into this issue.

Between these two messages I only updated the launcher. Wine version and system configuration are identical. Luckily I found the installer of the old launcher (2020-09-11), and extracted the dll from it. It is indeed a slightly older version (2019-04-09):

https://www.virustotal.com/gui/file/12edffe5be2d9832165f027d7c56a6b046b241ea...

I am really not sure who to blame there, but I'll report back if this issue appears again with the new qt5network.dll file.

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WineHQ Bugzilla

9:33 p.m.

New subject: [Bug 50118] Genshin Impact launcher < 2020-12-11 loops infinitely on network adapters/host lookup (QtNetwork is bugged between v5.12.3 and v5.12.4)

https://bugs.winehq.org/show_bug.cgi?id=50118

Anastasius Focht focht@gmx.net changed:

--- Comment #5 from Anastasius Focht focht@gmx.net --- Hello,

thanks for the upload/information. It was indeed useful for me.

Qt5Network.dll 5.12.3.0 (broken) Qt5Network.dll 5.12.5.0 (works)

I found the old client version containing the broken QT lib:

https://genshinimpact.mihoyo.com/client_app/launcher/20201111_50185b55d5a967...

The launcher wants to immediately update on start, preventing further run.

---

The Qt team publishes changelogs and known issues list for each release.

I've searched the changelogs for the relevant releases and found some suspicious entries in Qt v5.12.5 changelog:

https://code.qt.io/cgit/qt/qtbase.git/tree/dist/changes-5.12.5/?h=v5.12.5#n7...

--- snip --- **************************************************************************** * QtNetwork * ****************************************************************************

- QHostInfo: * Functors used in the lookupHost overloads are now called correctly in the thread of the context object. When used without context object, the thread that initiates the lookup will run the functor, and is required to run an event loop.

- Windows: * Correctly emit errors when trying to reach unreachable hosts or services --- snip ---

That's the release notes end user "language". Ccommon practice, not detailing everything.

Since the sources are available ...

https://code.qt.io/cgit/qt/qtbase.git/log/src/network?h=5.12.5

More specifically:

https://code.qt.io/cgit/qt/qtbase.git/log/src/network/kernel?h=5.12.5

Most likely one of these guys:

--- snip --- $ git shortlog v5.12.5...v5.12.4 -- src/network/kernel

Marc Mutz (2): QHostInfo: fix a race condition on wasDeleted QHostInfo: fix a race condition on QHostInfoCache::enabled

Volker Hilsheimer (2): QHostInfo: Always post results through the event loop to the receiver Plug a memory leak introduced in e24a4976bebd7ca90deac2b40c08900625773 --- snip ---

Open source is beautiful, isn't it? ;-)

Regards

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WineHQ Bugzilla

7 Feb 7 Feb

10:12 p.m.

New subject: [Bug 50118] Genshin Impact launcher < 2020-12-11 loops infinitely on network adapters/host lookup (QtNetwork is bugged between v5.12.3 and v5.12.4)

https://bugs.winehq.org/show_bug.cgi?id=50118

Anastasius Focht focht@gmx.net changed:

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WineHQ Bugzilla

12 Feb 12 Feb

10:13 a.m.

New subject: [Bug 50118] Genshin Impact launcher < 2020-12-11 loops infinitely on network adapters/host lookup (QtNetwork is bugged between v5.12.3 and v5.12.4)

https://bugs.winehq.org/show_bug.cgi?id=50118

--- Comment #6 from Austin English austinenglish@gmail.com --- Closing.

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WineHQ Bugzilla

10:14 a.m.

New subject: [Bug 50118] Genshin Impact launcher < 2020-12-11 loops infinitely on network adapters/host lookup (QtNetwork is bugged between v5.12.3 and v5.12.4)

https://bugs.winehq.org/show_bug.cgi?id=50118

Austin English austinenglish@gmail.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |CLOSED

--- Comment #7 from Austin English austinenglish@gmail.com --- Closing.

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