Opened 4 years ago

Closed 22 months ago

#16936 closed bug (fixed)

KDL when calling _kernel_map_file with negative offset

Reported by: X512 Owned by: nobody
Priority: normal Milestone: R1/beta5
Component: System/Kernel Version: R1/Development
Keywords: Cc:
Blocked By: Blocking:
Platform: All

Description (last modified by X512)

This is hrev54982.

Found when working on RISC-V port. 

PANIC: ASSERT FAILED (../src/system/kernel/device_manager/IORequest.cpp:758): offset >= 0
Welcome to Kernel Debugging Land...
Thread 146 "launch_daemon" running on CPU 0
Stack:
FP: 0x80b30360, PC: <kernel_riscv64> _ZL20kernel_debugger_loopPKcS0_Pvi + 243
FP: 0x80b303d0, PC: <kernel_riscv64> _ZL24kernel_debugger_internalPKcS0_Pvi + 131
FP: 0x80b30410, PC: <kernel_riscv64> panic + 93
FP: 0x80b304c0, PC: <kernel_riscv64> _ZN9IORequest4InitElmmPK14generic_io_vecmmbj.localalias.11 + 221
FP: 0x80b30530, PC: <kernel_riscv64> _Z27vfs_asynchronous_read_pagesP5vnodePvlPK14generic_io_vecmmjP15AsyncIOCallback + 81
FP: 0x80b305c0, PC: <kernel_riscv64> cache_prefetch_vnode.localalias.0 + 451
FP: 0x80b307b0, PC: <kernel_riscv64> _ZL12_vm_map_fileiPKcPPvjmjjbilb + 833
FP: 0x80b30870, PC: <kernel_riscv64> _user_map_file + 199
FP: 0x80b308b0, PC: <kernel_riscv64> syscall_dispatcher + 1401
FP: 0x80b308f0, PC: <kernel_riscv64> STrap + 257
FP: 0x80b309f0, PC: <kernel_riscv64> SVecU + 111
FP: 0xffffffed13a64a40, PC: <runtime_loader_seg0ro> 0x152a7
FP: 0xffffffed13a65f60, PC: <runtime_loader_seg0ro> 0xd2af
FP: 0xffffffed13a65fc0, PC: <runtime_loader_seg0ro> 0xb701
FP: 0xffffffed13a66000, PC: <runtime_loader_seg0ro> 0x11f73
FP: 0x0, PC: <kernel_riscv64> _ZL15enter_userspacePN7BKernel6ThreadEP24UserThreadEntryArguments + 67

Change History (3)

comment:1 by X512, 4 years ago

Description: modified (diff)

comment:3 by waddlesplash, 22 months ago

Milestone: Unscheduled → R1/beta5
Resolution: → fixed
Status: new → closed

hrev56799

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