NFS4: Opening text file causes KDL

[dogcow]

hrev54414 x86_64: I was opening an empty text file when this panic occured.

PANIC: Unexpected exception "General Protection Exception" occurred in kernel mode! Error code: 0x0

Welcome to Kernel Debugging Land...
Thread 1077 "w>HELLO.TXT" running on CPU 1
stack trace for thread 1077 "w>HELLO.TXT"
    kernel stack: 0xffffffff81cbf000 to 0xffffffff81cc4000
      user stack: 0x00007f66dafda000 to 0x00007f66db01a000
frame                       caller             <image>:function + offset
 0 ffffffff81cc3708 (+  24) ffffffff8014fa1c   <kernel_x86_64> arch_debug_call_with_fault_handler + 0x16
 1 ffffffff81cc3720 (+  80) ffffffff800ae1b8   <kernel_x86_64> debug_call_with_fault_handler + 0x88
 2 ffffffff81cc3770 (+  96) ffffffff800afb41   <kernel_x86_64> kernel_debugger_loop(char const*, char const*, __va_list_tag*, int) + 0xf1
 3 ffffffff81cc37d0 (+  80) ffffffff800afe3e   <kernel_x86_64> kernel_debugger_internal(char const*, char const*, __va_list_tag*, int) + 0x6e
 4 ffffffff81cc3820 (+ 240) ffffffff800b01a7   <kernel_x86_64> panic + 0xb7
 5 ffffffff81cc3910 (+ 224) ffffffff8015ac08   <kernel_x86_64> x86_unexpected_exception + 0x168
 6 ffffffff81cc39f0 (+ 888) ffffffff801512ec   <kernel_x86_64> int_bottom + 0x80
kernel iframe at 0xffffffff81cc3d68 (end = 0xffffffff81cc3e30)
 rax 0xdeadbeefdeadbeef    rbx 0xffffffff9f0912a8    rcx 0x10e931cb29c0
 rdx 0x0                   rsi 0xffffffff9f0912a8    rdi 0xffffffff9f53b7b8
 rbp 0xffffffff81cc3e80     r8 0xffffffff81cc3ee8     r9 0xffffffff81cc3ee8
 r10 0xffffffff81c6f1e0    r11 0x3246                r12 0x10e931cb29c0
 r13 0x0                   r14 0xffffffff82299d80    r15 0xffffffff9f0f1340
 rip 0xffffffff8005332c    rsp 0xffffffff81cc3e38 rflags 0x13246
 vector: 0xd, error code: 0x0
 7 ffffffff81cc3d68 (+ 280) ffffffff8005332c   <kernel_x86_64> file_cache_read + 0x0c
 8 ffffffff81cc3e80 (+  80) ffffffff81c6f27c   </boot/system/add-ons/kernel/file_systems/nfs4> nfs4_read(fs_volume*, fs_vnode*, void*, long, void*, unsigned long*) + 0x9c
 9 ffffffff81cc3ed0 (+  80) ffffffff800f17c3   <kernel_x86_64> common_user_io(int, long, void*, unsigned long, bool) + 0x123
10 ffffffff81cc3f20 (+  16) ffffffff801515f8   <kernel_x86_64> x86_64_syscall_entry + 0xfe
user iframe at 0xffffffff81cc3f30 (end = 0xffffffff81cc3ff8)
 rax 0x8e                  rbx 0x7f66db018880        rcx 0x1e395fe5d64
 rdx 0x10e931cb29c0        rsi 0x0                   rdi 0x8
 rbp 0x7f66db018800         r8 0xab8c9c1a30           r9 0x2d
 r10 0x10000               r11 0x3246                r12 0x5
 r13 0x0                   r14 0x7f66db01884b        r15 0x7f66db018a90
 rip 0x1e395fe5d64         rsp 0x7f66db0187d8     rflags 0x3246
 vector: 0x63, error code: 0x0
11 ffffffff81cc3f30 (+140081855023312) 000001e395fe5d64   <libroot.so> _kern_read + 0x0c
12 00007f66db018800 (+  48) 000000ab8c70a235   <libbe.so> BPositionIO::Read(void*, unsigned long) + 0x35
13 00007f66db018830 (+  48) 0000015335bd5e5f   <RTFTranslator> RTF::Parser::Identify() + 0x1f
14 00007f66db018860 (+ 192) 0000015335bd669f   <RTFTranslator> RTFTranslator::Identify(BPositionIO*, translation_format const*, BMessage*, translator_info*, unsigned int) + 0x5f
15 00007f66db018920 (+ 960) 000001f03e46803a   <libtranslation.so> BTranslatorRoster::Private::Identify(BPositionIO*, BMessage*, unsigned int, char const*, unsigned int, translator_info*) + 0x15a
16 00007f66db018ce0 (+ 656) 000001f03e468318   <libtranslation.so> BTranslatorRoster::Translate(BPositionIO*, translator_info const*, BMessage*, BPositionIO*, unsigned int, unsigned int, char const*) + 0x128
17 00007f66db018f70 (+ 368) 000001f03e4644e6   <libtranslation.so> BTranslationUtils::GetStyledText(BPositionIO*, BTextView*, char const*, BTranslatorRoster*) + 0x86
18 00007f66db0190e0 (+  96) 000000af0818a515   <_APP_> StyledEditView::GetStyledText(BPositionIO*, char const*) + 0x75
19 00007f66db019140 (+ 640) 000000af0818cac3   <_APP_> StyledEditWindow::_LoadFile(entry_ref*, char const*) + 0x333
20 00007f66db0193c0 (+ 352) 000000af0818d09e   <_APP_> StyledEditWindow::_ReloadDocument(BMessage*) + 0x45e
21 00007f66db019520 (+ 224) 000000af0818e37f   <_APP_> StyledEditWindow::_ShowNodeChangeAlert(char const*, bool) + 0x17f
22 00007f66db019600 (+ 320) 000000af0818e562   <_APP_> StyledEditWindow::_HandleNodeMonitorEvent(BMessage*) + 0xf2
23 00007f66db019740 (+ 304) 000000af08192353   <_APP_> StyledEditWindow::MessageReceived(BMessage*) + 0x1033
24 00007f66db019870 (+ 560) 000000ab8c6b3063   <libbe.so> BWindow::DispatchMessage(BMessage*, BHandler*) + 0xb43
25 00007f66db019aa0 (+ 144) 000000ab8c6ae6b1   <libbe.so> BWindow::task_looper() + 0x1c1
26 00007f66db019b30 (+  32) 000000ab8c5f2a41   <libbe.so> BLooper::_task0_(void*) + 0x21
27 00007f66db019b50 (+  32) 000001e395fe5039   <libroot.so> _thread_do_exit_work (nearest) + 0x79
28 00007f66db019b70 (+   0) 00007fc5134c5260   <commpage> commpage_thread_exit + 0x00
kdebug> btstack trace for thread 1077 "w>HELLO.TXT"
    kernel stack: 0xffffffff81cbf000 to 0xffffffff81cc4000
      user stack: 0x00007f66dafda000 to 0x00007f66db01a000
frame                       caller             <image>:function + offset
 0 ffffffff81cc3448 (+  32) ffffffff800b10e9   <kernel_x86_64> invoke_command_trampoline(void*) + 0x19
 1 ffffffff81cc3468 (+  24) ffffffff8014fa1c   <kernel_x86_64> arch_debug_call_with_fault_handler + 0x16
 2 ffffffff81cc3480 (+  80) ffffffff800ae1b8   <kernel_x86_64> debug_call_with_fault_handler + 0x88
 3 ffffffff81cc34d0 (+  96) ffffffff800b136f   <kernel_x86_64> invoke_debugger_command + 0xef
 4 ffffffff81cc3530 (+  64) ffffffff800b14e9   <kernel_x86_64> invoke_pipe_segment(debugger_command_pipe*, int, char*) + 0xf9
 5 ffffffff81cc3570 (+  80) ffffffff800b15fc   <kernel_x86_64> invoke_debugger_command_pipe + 0xac
 6 ffffffff81cc35c0 (+  96) ffffffff800b6288   <kernel_x86_64> ExpressionParser::_ParseCommandPipe(int&) + 0x118
 7 ffffffff81cc3620 (+  96) ffffffff800bcf43   <kernel_x86_64> ExpressionParser::EvaluateCommand(char const*, int&) + 0xd83
 8 ffffffff81cc3680 (+ 240) ffffffff800bf4ec   <kernel_x86_64> evaluate_debug_command + 0x11c
 9 ffffffff81cc3770 (+  96) ffffffff800afc00   <kernel_x86_64> kernel_debugger_loop(char const*, char const*, __va_list_tag*, int) + 0x1b0
10 ffffffff81cc37d0 (+  80) ffffffff800afe3e   <kernel_x86_64> kernel_debugger_internal(char const*, char const*, __va_list_tag*, int) + 0x6e
11 ffffffff81cc3820 (+ 240) ffffffff800b01a7   <kernel_x86_64> panic + 0xb7
12 ffffffff81cc3910 (+ 224) ffffffff8015ac08   <kernel_x86_64> x86_unexpected_exception + 0x168
13 ffffffff81cc39f0 (+ 888) ffffffff801512ec   <kernel_x86_64> int_bottom + 0x80
kernel iframe at 0xffffffff81cc3d68 (end = 0xffffffff81cc3e30)
 rax 0xdeadbeefdeadbeef    rbx 0xffffffff9f0912a8    rcx 0x10e931cb29c0
 rdx 0x0                   rsi 0xffffffff9f0912a8    rdi 0xffffffff9f53b7b8
 rbp 0xffffffff81cc3e80     r8 0xffffffff81cc3ee8     r9 0xffffffff81cc3ee8
 r10 0xffffffff81c6f1e0    r11 0x3246                r12 0x10e931cb29c0
 r13 0x0                   r14 0xffffffff82299d80    r15 0xffffffff9f0f1340
 rip 0xffffffff8005332c    rsp 0xffffffff81cc3e38 rflags 0x13246
 vector: 0xd, error code: 0x0
14 ffffffff81cc3d68 (+ 280) ffffffff8005332c   <kernel_x86_64> file_cache_read + 0x0c
15 ffffffff81cc3e80 (+  80) ffffffff81c6f27c   </boot/system/add-ons/kernel/file_systems/nfs4> nfs4_read(fs_volume*, fs_vnode*, void*, long, void*, unsigned long*) + 0x9c
16 ffffffff81cc3ed0 (+  80) ffffffff800f17c3   <kernel_x86_64> common_user_io(int, long, void*, unsigned long, bool) + 0x123
17 ffffffff81cc3f20 (+  16) ffffffff801515f8   <kernel_x86_64> x86_64_syscall_entry + 0xfe
user iframe at 0xffffffff81cc3f30 (end = 0xffffffff81cc3ff8)
 rax 0x8e                  rbx 0x7f66db018880        rcx 0x1e395fe5d64
 rdx 0x10e931cb29c0        rsi 0x0                   rdi 0x8
 rbp 0x7f66db018800         r8 0xab8c9c1a30           r9 0x2d
 r10 0x10000               r11 0x3246                r12 0x5
 r13 0x0                   r14 0x7f66db01884b        r15 0x7f66db018a90
 rip 0x1e395fe5d64         rsp 0x7f66db0187d8     rflags 0x3246
 vector: 0x63, error code: 0x0
18 ffffffff81cc3f30 (+140081855023312) 000001e395fe5d64   <libroot.so> _kern_read + 0x0c
19 00007f66db018800 (+  48) 000000ab8c70a235   <libbe.so> BPositionIO::Read(void*, unsigned long) + 0x35
20 00007f66db018830 (+  48) 0000015335bd5e5f   <RTFTranslator> RTF::Parser::Identify() + 0x1f
21 00007f66db018860 (+ 192) 0000015335bd669f   <RTFTranslator> RTFTranslator::Identify(BPositionIO*, translation_format const*, BMessage*, translator_info*, unsigned int) + 0x5f
22 00007f66db018920 (+ 960) 000001f03e46803a   <libtranslation.so> BTranslatorRoster::Private::Identify(BPositionIO*, BMessage*, unsigned int, char const*, unsigned int, translator_info*) + 0x15a
23 00007f66db018ce0 (+ 656) 000001f03e468318   <libtranslation.so> BTranslatorRoster::Translate(BPositionIO*, translator_info const*, BMessage*, BPositionIO*, unsigned int, unsigned int, char const*) + 0x128
24 00007f66db018f70 (+ 368) 000001f03e4644e6   <libtranslation.so> BTranslationUtils::GetStyledText(BPositionIO*, BTextView*, char const*, BTranslatorRoster*) + 0x86
25 00007f66db0190e0 (+  96) 000000af0818a515   <_APP_> StyledEditView::GetStyledText(BPositionIO*, char const*) + 0x75
26 00007f66db019140 (+ 640) 000000af0818cac3   <_APP_> StyledEditWindow::_LoadFile(entry_ref*, char const*) + 0x333
27 00007f66db0193c0 (+ 352) 000000af0818d09e   <_APP_> StyledEditWindow::_ReloadDocument(BMessage*) + 0x45e
28 00007f66db019520 (+ 224) 000000af0818e37f   <_APP_> StyledEditWindow::_ShowNodeChangeAlert(char const*, bool) + 0x17f
29 00007f66db019600 (+ 320) 000000af0818e562   <_APP_> StyledEditWindow::_HandleNodeMonitorEvent(BMessage*) + 0xf2
30 00007f66db019740 (+ 304) 000000af08192353   <_APP_> StyledEditWindow::MessageReceived(BMessage*) + 0x1033
31 00007f66db019870 (+ 560) 000000ab8c6b3063   <libbe.so> BWindow::DispatchMessage(BMessage*, BHandler*) + 0xb43
32 00007f66db019aa0 (+ 144) 000000ab8c6ae6b1   <libbe.so> BWindow::task_looper() + 0x1c1
33 00007f66db019b30 (+  32) 000000ab8c5f2a41   <libbe.so> BLooper::_task0_(void*) + 0x21
34 00007f66db019b50 (+  32) 000001e395fe5039   <libroot.so> _thread_do_exit_work (nearest) + 0x79
35 00007f66db019b70 (+   0) 00007fc5134c5260   <commpage> commpage_thread_exit + 0x00
kdebug> reboot