Opened 22 months ago

#13843 new bug

KDL when cloning an git repo from NFSv4 share

Reported by: leorize Owned by: pdziepak
Priority: normal Milestone: Unscheduled
Component: File Systems/NFS4 Version: R1/Development
Keywords: Cc:
Blocked By: Blocking:
Has a Patch: no Platform: x86-64

Description

vm_page_fault: kernel thread accessing invalid user memory!
vm_page_fault: vm_soft_fault returned error 'Bad address' on fault at 0x28, ip 0xffffffff802258b3, write 0, user 0, thread 0x1ac
PANIC: vm_page_fault: unhandled page fault in kernel space at 0x28, ip 0xffffffff802258b3

Welcome to Kernel Debugging Land...
Thread 428 "NFSv4 Work Queue" running on CPU 0
stack trace for thread 428 "NFSv4 Work Queue"
    kernel stack: 0xffffffff98ba8000 to 0xffffffff98bad000
frame                       caller             <image>:function + offset
 0 ffffffff98bac748 (+  24) ffffffff8013916c   <kernel_x86_64> arch_debug_call_with_fault_handler + 0x16
 1 ffffffff98bac760 (+  80) ffffffff800a3538   <kernel_x86_64> debug_call_with_fault_handler + 0x68
 2 ffffffff98bac7b0 (+  80) ffffffff800a4ffc   <kernel_x86_64> kernel_debugger_loop(char const*, char const*, __va_list_tag*, int) + 0x30c
 3 ffffffff98bac800 (+  80) ffffffff800a510e   <kernel_x86_64> kernel_debugger_internal(char const*, char const*, __va_list_tag*, int) + 0x6e
 4 ffffffff98bac850 (+ 240) ffffffff800a545e   <kernel_x86_64> panic + 0xbe
 5 ffffffff98bac940 (+ 240) ffffffff80126598   <kernel_x86_64> vm_page_fault + 0x3f8
 6 ffffffff98baca30 (+  64) ffffffff8014690b   <kernel_x86_64> x86_page_fault_exception + 0xeb
 7 ffffffff98baca70 (+ 536) ffffffff8013f05f   <kernel_x86_64> int_bottom + 0x56
kernel iframe at 0xffffffff98bacc88 (end = 0xffffffff98bacd50)
 rax 0xffffffff9ad8df60    rbx 0xffffffff98bacdd0    rcx 0xffffffffa5456480
 rdx 0x15                  rsi 0x16                  rdi 0xffffffff9ad8df68
 rbp 0xffffffff98bacd60     r8 0x15                   r9 0x58
 r10 0x0                   r11 0x2e68                r12 0x28
 r13 0xffffffff98bacde8    r14 0xffffffff9ac33008    r15 0xffffffff9efa1c10
 rip 0xffffffff802258b3    rsp 0xffffffff98bacd50 rflags 0x10246
 vector: 0xe, error code: 0x0
 8 ffffffff98bacc88 (+ 216) ffffffff802258b3   </boot/system/add-ons/kernel/file_systems/nfs4> RequestBuilder::PutFH(FileHandle const&) + 0x33
 9 ffffffff98bacd60 (+ 208) ffffffff8021e5eb   </boot/system/add-ons/kernel/file_systems/nfs4> NFS4Inode::ReadFile(OpenStateCookie*, OpenState*, unsigned long, unsigned int*, void*, bool*) + 0xfb
10 ffffffff98bace30 (+ 144) ffffffff802175cf   </boot/system/add-ons/kernel/file_systems/nfs4> Inode::ReadDirect(OpenStateCookie*, long, void*, unsigned long*, bool*) + 0xdf
11 ffffffff98bacec0 (+ 144) ffffffff8022a111   </boot/system/add-ons/kernel/file_systems/nfs4> WorkQueue::JobIO(IORequestArgs*) + 0x201
12 ffffffff98bacf50 (+  48) ffffffff8022a24d   </boot/system/add-ons/kernel/file_systems/nfs4> WorkQueue::DequeueJob() + 0xcd
13 ffffffff98bacf80 (+  48) ffffffff8022a3b7   </boot/system/add-ons/kernel/file_systems/nfs4> WorkQueue::WorkingThread() + 0x77
14 ffffffff98bacfb0 (+  32) ffffffff80086de6   <kernel_x86_64> common_thread_entry(void*) + 0x36
15 ffffffff98bacfd0 (+1732587568) ffffffff98bacfe0

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