[Bug 38901] New: MEGAsync crashes when downloading external files (not from your account) to your HDD

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wine-bugs＠winehq.org

11 Jul 2015 11 Jul '15

10:38 a.m.

https://bugs.winehq.org/show_bug.cgi?id=38901

Bug ID: 38901 Summary: MEGAsync crashes when downloading external files (not from your account) to your HDD Product: Wine Version: 1.7.47 Hardware: x86 URL: https://mega.nz/MEGAsyncSetup.exe OS: Linux Status: UNCONFIRMED Severity: normal Priority: P2 Component: -unknown Assignee: wine-bugs@winehq.org Reporter: t.artem@mailcity.com Distribution: Red Hat

Created attachment 51835 --> https://bugs.winehq.org/attachment.cgi?id=51835 Backtrace

Steps to reproduce:

1) Install MegaSync 2) Create a new account 3) Find any file in Mega 4) "Download it with MEGASync"

After the first few downloaded megabytes MegaSync will crash.

$ sha1sum MEGAsyncSetup.exe 96f23b32524f9d560ba62797564edea24d43779a MEGAsyncSetup.exe (9321560 bytes)

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wine-bugs＠winehq.org

11 Jul 11 Jul

10:41 a.m.

New subject: [Bug 38901] MEGAsync crashes when downloading external files (not from your account) to your HDD

https://bugs.winehq.org/show_bug.cgi?id=38901

Artem S. Tashkinov t.artem@mailcity.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Keywords| |download

--- Comment #1 from Artem S. Tashkinov t.artem@mailcity.com --- A snippet of backtrace for search engines:

Unhandled exception: page fault on read access to 0x032c0000 in 32-bit code (0xb74f2f45). Register dump: Stack dump: Backtrace: =>0 0xb74f2f45 __memcpy_ssse3_rep+0xd85() in libc.so.6 (0x0419e998) 1 0x7ea4d37d read_data+0x13c() in winhttp (0x0419e998) 2 0x7ea4d62a task_read_data+0x29() in winhttp (0x0419e9b8) 3 0x7ea4672e task_proc+0x16d() in winhttp (0x0419ea28) 4 0x7bc80720 call_thread_func_wrapper+0xb() in ntdll (0x0419ea48) 5 0x7bc8357d call_thread_func+0x7c() in ntdll (0x0419eb18) 6 0x7bc806fe call_thread_entry_point+0x11() in ntdll (0x0419eb38) 7 0x7bc89cce start_thread+0xbd() in ntdll (0x0419f388) 8 0xb7558b39 start_thread+0xc8() in libpthread.so.0 (0x0419f498) 9 0xb749dc2e __clone+0x5d() in libc.so.6 (0x00000000)

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wine-bugs＠winehq.org

10:41 a.m.

New subject: [Bug 38901] MEGAsync crashes when downloading external files (not from your account) to your HDD

https://bugs.winehq.org/show_bug.cgi?id=38901

--- Comment #2 from Artem S. Tashkinov t.artem@mailcity.com --- Oops, I've omitted the most important part:

0xb74f2f45 __memcpy_ssse3_rep+0xd85 in libc.so.6: repe movq 0x70(%eax),%mm7

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wine-bugs＠winehq.org

10:34 p.m.

New subject: [Bug 38901] MEGAsync crashes when downloading external files (not from your account) to your HDD

https://bugs.winehq.org/show_bug.cgi?id=38901

--- Comment #3 from Austin English austinenglish@gmail.com --- Could you please install debugging symbols and attach a new backtrace/terminal output.

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wine-bugs＠winehq.org

12 Jul 12 Jul

6:43 p.m.

New subject: [Bug 38901] MEGAsync 2.1.x crashes when downloading external files (not from your account) to your HDD

https://bugs.winehq.org/show_bug.cgi?id=38901

Anastasius Focht focht@gmx.net changed:

--- Comment #4 from Anastasius Focht focht@gmx.net --- Hello folks,

confirming.

--- snip --- Wine-dbg>c

Unhandled exception: page fault on read access to 0x02edcec4 in 32-bit code (0xf74f1749). Register dump: CS:0023 SS:002b DS:002b ES:002b FS:0063 GS:006b EIP:f74f1749 ESP:0a0be928 EBP:0a0be968 EFLAGS:00210206( R- -- I - -P- ) EAX:02ddcf04 EBX:f757b000 ECX:00100000 EDX:07170020 ESI:00000000 EDI:0a0bfb40 Stack dump: 0x0a0be928: 00000000 7e9a38db 07170020 02ddcf04 0x0a0be938: 00100000 00000040 0a0be960 f7598000 0x0a0be948: 0a0be970 00000039 02ddef28 02ddef28 0x0a0be958: 00000000 00100000 00000003 00000000 0x0a0be968: 0a0be9a8 7e9a4895 02ddce38 07170020 0x0a0be978: 00100000 00000000 00000001 00000002 Backtrace: =>0 0xf74f1749 __memcpy_sse2_unaligned+0x199() in libc.so.6 (0x0a0be968) 1 0x7e9a38db read_data+0xae(request=0x2ddce38, buffer=0x7170020, size=0x100000, read=0x0(nil), async=0x1) [/home/focht/projects/wine/wine.repo/src/dlls/winhttp/request.c:2209] in winhttp (0x0a0be968) 2 0x7e9a4895 task_read_data+0x40(task=0x2de0420) [/home/focht/projects/wine/wine.repo/src/dlls/winhttp/request.c:2559] in winhttp (0x0a0be9a8) 3 0x7e99db26 task_proc+0x77(param=<couldn't compute location>) [/home/focht/projects/wine/wine.repo/src/dlls/winhttp/request.c:212] in winhttp (0x0a0bea08) 4 0x7bc95c48 call_thread_func_wrapper+0xb() in ntdll (0x0a0bea28) 5 0x7bc95c85 call_thread_func+0x32(entry=0x7e99daae, arg=0x2ddce38, frame=0xa0beb28) [/home/focht/projects/wine/wine.repo/src/dlls/ntdll/signal_i386.c:2732] in ntdll (0x0a0beb08) 6 0x7bc95c26 call_thread_entry_point+0x11() in ntdll (0x0a0beb28) 7 0x7bc9cc93 start_thread+0x108(info=0x81de4fb8) [/home/focht/projects/wine/wine.repo/src/dlls/ntdll/thread.c:443] in ntdll (0x0a0bf368) 8 0xf7585380 start_thread+0xdf() in libpthread.so.0 (0x0a0bf428) 9 0xf74aad4e __clone+0x5d() in libc.so.6 (0x00000000)

Wine-dbg>frame 1

2210 remove_data( request, count );

Wine-dbg>info locals

0x7e9a38da read_data+0xae: (0a0be968) request_t* request=0x2ddce38 (parameter [EBP+8]) void* buffer=0x7170020 (parameter [EBP+12]) DWORD size=0x100000 (parameter [EBP+16]) DWORD* read=0x0(nil) (parameter [EBP+20]) BOOL async=0x1 (parameter [EBP+24]) int count=0x100000 (local [EBP-12]) int bytes_read=0 (local [EBP-16])

Wine-dbg>p *request

{hdr={type=0x3, handle=0x43, vtbl=0x7e9b30d8, flags=0, disable_flags=0, logon_policy=0, redirect_policy=0x1, error=0, context=0x13a1df8, refs=0x2, callback=0x4d6fd0, notify_mask=0x7f0c30, entry={next=0x2ddc090, prev=0x2ddc090}, children={next=0x2ddce70, prev=0x2ddce70}}, connect=0x2ddc058, verb="POST", path="/dl/Xn69XlQ7lO_MVgJU9vFK5bq4Tv6uRbJIntRDFpE_tokX-Yk1LUrAxbIZHD-MBGePZvBMO8oeC7FZ_VqwNBHyvXKJYJmd3rSePcURsYfEGEFummlnRg/26738688-27787263", version="HTTP/1.1", raw_headers="HTTP/1.1 403 Rate Limit Exceeded Access-Control-Allow-Origin: * Access-Control-Allow-Headers: MEGA-Chrome-Antileak Access-Control-Max-Age: 86400 Connection: close ", optional=0x0(nil), optional_len=0, netconn={socket=0x256, secure=0, ssl_ctx={dwLower=0, dwUpper=0}, ssl_sizes={cbHeader=0, cbTrailer=0, cbMaximumMessage=0, cbBuffers=0, cbBlockSize=0}, ssl_buf=0x0(nil), extra_buf=0x0(nil), extra_len=0, peek_msg=0x0(nil), peek_msg_mem=0x0(nil), peek_len=0, security_flags=0}, resolve_timeout=0xe290, connect_timeout=0xe290, send_timeout=0, recv_timeout=0, status_text="Rate Limit Exceeded", content_length=0xffffffff, content_read=0, read_chunked=0, read_chunked_eof=0, read_chunked_size=0xffffffff, read_pos=0, read_size=0xffffffff, read_buf="...", headers=0x2de04f0, num_headers=0xa, accept_types=(nil), num_accept_types=0, authinfo=(nil), proxy_authinfo=(nil), task_wait=0xa04, task_cancel=0xa18, task_thread=0xa24, task_queue={next=0x2ddef28, prev=0x2ddef28}, task_cs={DebugInfo=0x2dd14a0, LockCount=0xffffffff, RecursionCount=0, OwningThread=0x0(nil), LockSemaphore=0x0(nil), SpinCount=0}, creds={{username=0x0(nil), password=0x0(nil)}, {username=0x0(nil), password=0x0(nil)}, {username=0x0(nil), password=0x0(nil)}, {username=0x0(nil), password=0x0(nil)}, {username=0x0(nil), password=0x0(nil)}}}

... --- snip ---

App WINHTTP_STATUS_CALLBACK:

--- snip ---

Wine-dbg>

0x7e9a8f4a send_callback+0xb2 [/home/focht/projects/wine/wine.repo/src/dlls/winhttp/session.c:76] in winhttp: call *%ebx 76 hdr->callback( hdr->handle, hdr->context, status, info, buflen );

Wine-dbg>si

fixme:winedbg:be_i386_is_jump unknown 6a 0x004d6fd0: pushl $0xff

Wine-dbg>si

0x004d6fd2: pushl $0x595029

... --- snip ---

Trace of one of multiple threads that causes a fault (large number of parallel download threads):

--- snip --- ... 004f:trace:winhttp:read_line returning "" 004f:trace:winhttp:read_reply raw headers: L"HTTP/1.1 403 Rate Limit Exceeded\r\nAccess-Control-Allow-Origin: *\r\nAccess-Control-Allow-Headers: MEGA-Chrome-Antileak\r\nAccess-Control-Max-Age: 86400\r\nConnection: close\r\n" 004f:trace:winhttp:query_headers attribute L"Status" 004f:trace:winhttp:get_header_index L"Status" 004f:trace:winhttp:get_header_index returning 5 004f:trace:winhttp:query_headers returning number: 403 004f:trace:winhttp:query_headers attribute L"Content-Length" 004f:trace:winhttp:get_header_index L"Content-Length" 004f:trace:winhttp:get_header_index returning -1 004f:trace:winhttp:query_headers attribute L"Transfer-Encoding" 004f:trace:winhttp:get_header_index L"Transfer-Encoding" 004f:trace:winhttp:get_header_index returning -1 004f:trace:winhttp:send_callback 0xfe1aa0, 0x00020000, (nil), 0 004f:Call winhttp.WinHttpQueryHeaders(00000043,20000013,00000000,07bbd37c,07bbd374,00000000) ret=004d7307 004f:trace:winhttp:WinHttpQueryHeaders 0x43, 0x20000013, (null), 0x7bbd37c, 0x7bbd374, (nil) 004f:trace:winhttp:addref_object 0xfe1aa0 -> refcount = 3 004f:trace:winhttp:grab_object handle 0x43 -> 0xfe1aa0 004f:trace:winhttp:query_headers attribute L"Status" 004f:trace:winhttp:get_header_index L"Status" 004f:trace:winhttp:get_header_index returning 5 004f:trace:winhttp:query_headers returning number: 403 004f:trace:winhttp:release_object object 0xfe1aa0 refcount = 2 004f:Ret winhttp.WinHttpQueryHeaders() retval=00000001 ret=004d7307 004f:Call winhttp.WinHttpQueryDataAvailable(00000043,00000000) ret=004d761e 004f:trace:winhttp:WinHttpQueryDataAvailable 0x43, (nil) 004f:trace:winhttp:addref_object 0xfe1aa0 -> refcount = 3 004f:trace:winhttp:grab_object handle 0x43 -> 0xfe1aa0 ... 004f:trace:winhttp:addref_object 0xfe1aa0 -> refcount = 4 004f:trace:winhttp:queue_task queueing task 0x190318 004f:Call KERNEL32.SetEvent(00000574) ret=7e99de2f 004f:Ret KERNEL32.SetEvent() retval=00000001 ret=7e99de2f 004f:trace:winhttp:release_object object 0xfe1aa0 refcount = 3 004f:Ret winhttp.WinHttpQueryDataAvailable() retval=00000001 ret=004d761e 004f:trace:winhttp:send_callback returning from 0x00020000 callback 004f:trace:winhttp:release_object object 0xfe1aa0 refcount = 2 ... 004f:trace:winhttp:dequeue_task 1 tasks queued 004f:trace:winhttp:dequeue_task returning task 0x190318 004f:trace:winhttp:send_callback 0xfe1aa0, 0x00040000, 0x7bbe964, 4 004f:Call winhttp.WinHttpReadData(00000043,061a0020,00100000,00000000) ret=004d7a0f 004f:trace:winhttp:WinHttpReadData 0x43, 0x61a0020, 1048576, (nil) 004f:trace:winhttp:addref_object 0xfe1aa0 -> refcount = 3 004f:trace:winhttp:grab_object handle 0x43 -> 0xfe1aa0 ... 004f:trace:winhttp:addref_object 0xfe1aa0 -> refcount = 4 004f:trace:winhttp:queue_task queueing task 0x190260 004f:Call KERNEL32.SetEvent(00000574) ret=7e99de2f 004f:Ret KERNEL32.SetEvent() retval=00000001 ret=7e99de2f 004f:trace:winhttp:release_object object 0xfe1aa0 refcount = 3 004f:Ret winhttp.WinHttpReadData() retval=00000001 ret=004d7a0f 004f:Call KERNEL32.SetEvent(0000012c) ret=004d7a90 004f:Ret KERNEL32.SetEvent() retval=00000001 ret=004d7a90 004f:trace:winhttp:send_callback returning from 0x00040000 callback 004f:trace:winhttp:query_data_available 4294967295 bytes available 004f:trace:winhttp:release_object object 0xfe1aa0 refcount = 2 004f:Call ntdll.RtlFreeHeap(00110000,00000000,00190318) ret=7e99d0b6 004f:Ret ntdll.RtlFreeHeap() retval=00000001 ret=7e99d0b6 004f:trace:winhttp:dequeue_task 1 tasks queued 004f:trace:winhttp:dequeue_task returning task 0x190260 004f:trace:seh:raise_exception code=c0000005 flags=0 addr=0xf74ff749 ip=f74ff749 tid=004f 004f:trace:seh:raise_exception info[0]=00000000 004f:trace:seh:raise_exception info[1]=010e1b2c 004f:trace:seh:raise_exception eax=00fe1b6c ebx=f7589000 ecx=00100000 edx=061a0020 esi=00000000 edi=07bbfb40 004f:trace:seh:raise_exception ebp=07bbe968 esp=07bbe928 cs=0023 ds=002b es=002b fs=0063 gs=006b flags=00210206 004f:trace:seh:call_stack_handlers calling handler at 0x7bcb1cc3 code=c0000005 flags=0 --- snip ---

$ sha1sum MEGAsyncSetup.exe 96f23b32524f9d560ba62797564edea24d43779a MEGAsyncSetup.exe

$ du -sh MEGAsyncSetup.exe 8.9M MEGAsyncSetup.exe

$ wine --version wine-1.7.47

Regards

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WineHQ Bugzilla

23 Dec 23 Dec

2:20 p.m.

New subject: [Bug 38901] MEGAsync 2.1.x crashes when downloading external files (not from your account) to your HDD

https://bugs.winehq.org/show_bug.cgi?id=38901

Artem S. Tashkinov aros@gmx.com changed:

--- Comment #5 from Artem S. Tashkinov aros@gmx.com --- This client is outdated and (I guess) no longer supported.

Let's clean it up.

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WineHQ Bugzilla

20 Apr 20 Apr

6:30 a.m.

New subject: [Bug 38901] MEGAsync 2.1.x crashes when downloading external files (not from your account) to your HDD

https://bugs.winehq.org/show_bug.cgi?id=38901

Austin English austinenglish@gmail.com changed:

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

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

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WineHQ Bugzilla

9:05 a.m.

New subject: [Bug 38901] MEGAsync 2.1.x crashes when downloading external files (not from your account) to your HDD

https://bugs.winehq.org/show_bug.cgi?id=38901

Anastasius Focht focht@gmx.net changed:

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