[FS#3391] UML: boot: warning during early /sbin/init

OpenWrt Bugs openwrt-bugs at lists.openwrt.org
Sun Oct 18 11:04:23 EDT 2020


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A new Flyspray task has been opened.  Details are below. 

User who did this - Bastian Bittorf (bittorf) 

Attached to Project - OpenWrt/LEDE Project
Summary - UML: boot: warning during early /sbin/init
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - selfcompiled:
OpenWrt SNAPSHOT, r14721+18-4ff7bdfeeb

Image is working, so this seems to be cosmetic only.

[...]
[    0.100000] Run /sbin/init as init process
[    0.120000] init: Console is alive
[    0.120000] harddog_open - run_helper failed, errno = -2
[    0.120000] ------------[ cut here ]------------
[    0.120000] WARNING: CPU: 0 PID: 1 at fs/open.c:832 do_dentry_open+0x31a/0x430
[    0.120000] Modules linked in:
[    0.120000] CPU: 0 PID: 1 Comm: init Not tainted 5.4.71 #0
[    0.120000] Stack:
[    0.120000]  607ae5d4 62433ae7 600385a0 00000009
[    0.120000]  62433af8 00000000 00000000 60046361
[    0.120000]  f00000010 e00000011 606402b4 00000000
[    0.120000] Call Trace:
[    0.120000]  [] ? os_is_signal_stack+0x15/0x30
[    0.120000]  [] ? printk+0x0/0x9b
[    0.120000]  [] ? show_stack.cold+0xa7/0x110
[    0.120000]  [] ? os_pipe+0x0/0xd0
[    0.120000]  [] ? __warn.cold+0xc/0x39
[    0.120000]  [] ? warn_slowpath_fmt+0xcc/0xe2
[    0.120000]  [] ? warn_slowpath_fmt+0x0/0xe2
[    0.120000]  [] ? misc_open+0x187/0x1d0
[    0.120000]  [] ? exact_match+0x0/0x10
[    0.120000]  [] ? cdev_put.part.0+0x11/0x30
[    0.120000]  [] ? chrdev_open+0xcd/0x1a0
[    0.120000]  [] ? chrdev_open+0x0/0x1a0
[    0.120000]  [] ? do_dentry_open+0x31a/0x430
[    0.120000]  [] ? path_openat+0x395/0x1660
[    0.120000]  [] ? copy_chunk_to_user+0x1e/0x30
[    0.120000]  [] ? copy_chunk_to_user+0x0/0x30
[    0.120000]  [] ? do_op_one_page+0xfe/0x160
[    0.120000]  [] ? strncpy_chunk_from_user+0x3a/0x60
[    0.120000]  [] ? do_op_one_page+0x0/0x160
[    0.120000]  [] ? path_openat+0x0/0x1660
[    0.120000]  [] ? do_filp_open+0x89/0xf0
[    0.120000]  [] ? expand_files+0x0/0x220
[    0.120000]  [] ? __alloc_fd+0x3e/0x170
[    0.120000]  [] ? ptrace+0x0/0xd0
[    0.120000]  [] ? ptrace+0x0/0xd0
[    0.120000]  [] ? do_sys_open+0x17d/0x240
[    0.120000]  [] ? __waitpid+0x0/0xa0
[    0.120000]  [] ? ptrace+0x0/0xd0
[    0.120000]  [] ? handle_syscall+0x6f/0xa0
[    0.120000]  [] ? userspace+0x366/0x500
[    0.120000]  [] ? new_thread_handler+0xb3/0xc0
[    0.120000] 
[    0.120000] ---[ end trace 8db4519d8907f435 ]---
[    0.140000] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[...]

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3391

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