Hi,
It looks like RemoteApp is broken in freerdp2 after latest Microsoft
updates. I tried connecting to Windows 7 Enterprise machine with Linux
freerdp client (freerdp-nightly version
2.0.0+0~20181113024836.588~1.gbp097ac0). After passing authenticating
phase window appears for a second and dissepears and I get following
messages:
=================================================================
==25672==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x603000047a56 at pc 0x7f17c6505733 bp 0x7f17a3458050 sp 0x7f17a34577f8
READ of size 40 at 0x603000047a56 thread T11
#0 0x7f17c6505732 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x79732)
#1 0x7f17c4df2398
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xe7398)
#2 0x7f17c4df5d54
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xead54)
#3 0x7f17c4def96a
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xe496a)
#4 0x562885c0336d (/opt/freerdp-nightly/bin/xfreerdp+0x1e36d)
#5 0x7f17c4df3cbc
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xe8cbc)
#6 0x7f17c4def531
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xe4531)
#7 0x7f17c3ecb599
(/opt/freerdp-nightly/bin/../lib/libwinpr2.so.2+0x117599)
#8 0x7f17c35a76da in start_thread
(/lib/x86_64-linux-gnu/libpthread.so.0+0x76da)
#9 0x7f17c3ae488e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x12188e)
0x603000047a56 is located 0 bytes to the right of 22-byte region
[0x603000047a40,0x603000047a56)
allocated by thread T11 here:
#0 0x7f17c656ad38 in __interceptor_calloc
(/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded38)
#1 0x7f17c3ef267b in ConvertToUnicode
(/opt/freerdp-nightly/bin/../lib/libwinpr2.so.2+0x13e67b)
#2 0x7f17c4df72a1
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xec2a1)
#3 0x7f17c4def802
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xe4802)
#4 0x562885c0336d (/opt/freerdp-nightly/bin/xfreerdp+0x1e36d)
#5 0x7f17c4df3cbc
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xe8cbc)
#6 0x7f17c4def531
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xe4531)
#7 0x7f17c3ecb599
(/opt/freerdp-nightly/bin/../lib/libwinpr2.so.2+0x117599)
#8 0x7f17c35a76da in start_thread
(/lib/x86_64-linux-gnu/libpthread.so.0+0x76da)
Thread T11 created by T1 here:
#0 0x7f17c64c3d2f in __interceptor_pthread_create
(/usr/lib/x86_64-linux-gnu/libasan.so.4+0x37d2f)
#1 0x7f17c3ecb0d4
(/opt/freerdp-nightly/bin/../lib/libwinpr2.so.2+0x1170d4)
#2 0x7f17c3ecb8df in CreateThread
(/opt/freerdp-nightly/bin/../lib/libwinpr2.so.2+0x1178df)
#3 0x7f17c4df00a8
(/opt/freerdp-nightly/bin/../lib/libfreerdp-client2.so.2+0xe50a8)
#4 0x7f17c48f5967
(/opt/freerdp-nightly/bin/../lib/libfreerdp2.so.2+0x15e967)
#5 0x7f17c48efd38 in freerdp_connect
(/opt/freerdp-nightly/bin/../lib/libfreerdp2.so.2+0x158d38)
#6 0x562885c39beb (/opt/freerdp-nightly/bin/xfreerdp+0x54beb)
#7 0x7f17c3ecb599
(/opt/freerdp-nightly/bin/../lib/libwinpr2.so.2+0x117599)
#8 0x7f17c35a76da in start_thread
(/lib/x86_64-linux-gnu/libpthread.so.0+0x76da)
Thread T1 created by T0 here:
#0 0x7f17c64c3d2f in __interceptor_pthread_create
(/usr/lib/x86_64-linux-gnu/libasan.so.4+0x37d2f)
#1 0x7f17c3ecb0d4
(/opt/freerdp-nightly/bin/../lib/libwinpr2.so.2+0x1170d4)
#2 0x7f17c3ecb8df in CreateThread
(/opt/freerdp-nightly/bin/../lib/libwinpr2.so.2+0x1178df)
#3 0x562885c33b5f (/opt/freerdp-nightly/bin/xfreerdp+0x4eb5f)
#4 0x562885bf4cca (/opt/freerdp-nightly/bin/xfreerdp+0xfcca)
#5 0x7f17c39e4b96 in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
SUMMARY: AddressSanitizer: heap-buffer-overflow
(/usr/lib/x86_64-linux-gnu/libasan.so.4+0x79732)
Shadow bytes around the buggy address:
0x0c0680000ef0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c0680000f00: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
0x0c0680000f10: fa fa fd fd fd fd fa fa fd fd fd fa fa fa fd fd
0x0c0680000f20: fd fa fa fa fd fd fd fd fa fa fd fd fd fd fa fa
0x0c0680000f30: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
=>0x0c0680000f40: fa fa fd fd fd fd fa fa 00 00[06]fa fa fa fa fa
0x0c0680000f50: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c0680000f60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c0680000f70: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c0680000f80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x0c0680000f90: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==25672==ABORTING
Accessing full desktop works OK. I read issue #4972 but I cannot relate
c5c1bac (version that was supposed to fix the issue) with the version
from freerdp-nightly.
--
*Hrvatski zavod za telemedicinu*
Služba za informacijske tehnologije i integraciju
Odjel za administraciju informacijskih sustava i tehničku podršku
Željko Puškarić, načelnik odjela
zpuska...@ztm.hr
tel: +385 1 5496 092
fax: +385 1 5496 099
http://www.ztm.hr
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