Crash in nfs41_np
Posted by Anonymous on Wed 24th Jan 2024 13:03
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CommandLine: ./build.vc19/x64/Debug/nfs_mount.exe L nfs://foo:700/bar

************* Path validation summary **************
Response                         Time (ms)     Location
Deferred                                       srv*
Symbol search path is: srv*
Executable search path is:
ModLoad: 00007ff6`41000000 00007ff6`411a8000   nfs_mount.exe
ModLoad: 00007ffd`3d6f0000 00007ffd`3d8e8000   ntdll.dll
ModLoad: 00007ffd`3bc40000 00007ffd`3bcfd000   C:\Windows\System32\KERNEL32.DLL
ModLoad: 00007ffd`3b350000 00007ffd`3b646000   C:\Windows\System32\KERNELBASE.dll
ModLoad: 00007ffd`2d930000 00007ffd`2d94d000   C:\Windows\SYSTEM32\MPR.dll
(8cc.2588): Break instruction exception - code 80000003 (first chance)
ntdll!LdrpDoDebuggerBreak+0x30:
00007ffd`3d7c0730 cc              int     3
0:000> gh
ModLoad: 00007ffd`17600000 00007ffd`177a5000   C:\Windows\System32\nfs41_np.dll
[NFS41_NP][aglo] GetNetCaps 2
[NFS41_NP][aglo] GetNetCaps 4
[NFS41_NP][aglo] GetNetCaps 6
[NFS41_NP][aglo] GetNetCaps 13
[NFS41_NP][aglo] GetNetCaps 11
[NFS41_NP][aglo] GetNetCaps 9
[NFS41_NP][aglo] GetNetCaps 8
ModLoad: 00007ffd`175e0000 00007ffd`175f5000   C:\Windows\System32\vmhgfs.dll
ModLoad: 00007ffd`3bd90000 00007ffd`3be43000   C:\Windows\System32\ADVAPI32.dll
ModLoad: 00007ffd`3d5f0000 00007ffd`3d68e000   C:\Windows\System32\msvcrt.dll
ModLoad: 00007ffd`3d0c0000 00007ffd`3d15f000   C:\Windows\System32\sechost.dll
ModLoad: 00007ffd`3be50000 00007ffd`3bf76000   C:\Windows\System32\RPCRT4.dll
ModLoad: 00007ffd`3b710000 00007ffd`3b737000   C:\Windows\System32\bcrypt.dll
ModLoad: 00007ffd`3b7b0000 00007ffd`3b94e000   C:\Windows\System32\USER32.dll
ModLoad: 00007ffd`32940000 00007ffd`3294a000   C:\Windows\System32\VERSION.dll
ModLoad: 00007ffd`3b650000 00007ffd`3b672000   C:\Windows\System32\win32u.dll
ModLoad: 00007ffd`3c470000 00007ffd`3c49c000   C:\Windows\System32\GDI32.dll
ModLoad: 00007ffd`3aec0000 00007ffd`3afda000   C:\Windows\System32\gdi32full.dll
ModLoad: 00007ffd`3afe0000 00007ffd`3b07d000   C:\Windows\System32\msvcp_win.dll
ModLoad: 00007ffd`3b080000 00007ffd`3b180000   C:\Windows\System32\ucrtbase.dll
ModLoad: 00007ffd`2fb50000 00007ffd`2fb6b000   C:\Windows\System32\VCRUNTIME140.dll
ModLoad: 00007ffd`3d1c0000 00007ffd`3d1f0000   C:\Windows\System32\IMM32.DLL
ModLoad: 00007ffd`175c0000 00007ffd`175df000   C:\Windows\System32\ntlanman.dll
ModLoad: 00007ffd`175a0000 00007ffd`175be000   C:\Windows\System32\davclnt.dll
ModLoad: 00007ffd`17590000 00007ffd`1759d000   C:\Windows\System32\DAVHLPR.dll
[NFS41_NP][aglo] NPAddConnection3('L:', '\\foo@700bar')
[NFS41_NP][aglo] username = '(null)', passwd = '(null)'
(8cc.2588): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
*** WARNING: Unable to verify checksum for C:\Windows\System32\nfs41_np.dll
nfs41_np!NPAddConnection3+0x5fd1:
00007ffd`176780b4 668908          mov     word ptr [rax],cx ds:0000020f`cd829000=????
0:000> kp
Child-SP          RetAddr           Call Site
000000b5`e93e3480 00007ffd`17677e53 nfs41_np!NPAddConnection3+0x5fd1
000000b5`e93e35c0 00007ffd`176761bc nfs41_np!NPAddConnection3+0x5d70
000000b5`e93e3710 00007ffd`2d9388f9 nfs41_np!NPAddConnection3+0x40d9
000000b5`e93e6020 00007ffd`2d938551 MPR!CUseConnection::TestProviderWorker+0xfd
000000b5`e93e6070 00007ffd`2d93e4dd MPR!CUseConnection::TestProvider+0x71
000000b5`e93e69c0 00007ffd`2d937108 MPR!CRoutedOperation::GetResult+0x13d
000000b5`e93e6a40 00007ffd`2d93e70d MPR!CUseConnection::GetResult+0x1f8
000000b5`e93e6f80 00007ffd`2d93e787 MPR!CMprOperation::Perform+0x4d
000000b5`e93e6fc0 00007ffd`2d939b87 MPR!CRoutedOperation::Perform+0x2f
*** WARNING: Unable to verify checksum for nfs_mount.exe
000000b5`e93e6ff0 00007ff6`410774ec MPR!WNetUseConnectionW+0xc7
000000b5`e93e7160 00007ff6`410790cf nfs_mount!DoMount(wchar_t * pLocalName = 0x000000b5`e93ef9c8 "L:", wchar_t * pRemoteName = 0x0000020f`cd80704e "nfs://foo:700/bar", int bPersistent = 0n0, struct _MOUNT_OPTION_LIST * pOptions = 0x000000b5`e93efa88)+0x24c
000000b5`e93ef960 00007ff6`4107b449 nfs_mount!wmain(unsigned long argc = 3, wchar_t ** argv = 0x0000020f`cd806fe0)+0x61f
000000b5`e93efbc0 00007ff6`4107b2ee nfs_mount!invoke_main(void)+0x39
000000b5`e93efc10 00007ff6`4107b1ae nfs_mount!__scrt_common_main_seh(void)+0x12e
000000b5`e93efc80 00007ff6`4107b4de nfs_mount!__scrt_common_main(void)+0xe
000000b5`e93efcb0 00007ffd`3bc57344 nfs_mount!wmainCRTStartup(void * __formal = 0x000000b5`e94db000)+0xe
000000b5`e93efce0 00007ffd`3d7426b1 KERNEL32!BaseThreadInitThunk+0x14
000000b5`e93efd10 00000000`00000000 ntdll!RtlUserThreadStart+0x21