Bug 1319452 - 4.5.0-301 x86/mm: Found insecure W+X mapping at address . . .
Summary: 4.5.0-301 x86/mm: Found insecure W+X mapping at address . . .
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: kernel
Version: 24
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Kernel Maintainer List
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-03-20 08:52 UTC by Jóhann B. Guðmundsson
Modified: 2016-05-26 19:23 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-05-26 19:23:06 UTC
Type: Bug

Attachments (Terms of Use)
dmesg (deleted)
2016-03-20 08:52 UTC, Jóhann B. Guðmundsson 		no flags Details
dmesg (76.05 KB, text/plain)
2016-03-20 08:54 UTC, Jóhann B. Guðmundsson 		no flags Details
Show Obsolete (1) View All Add an attachment (proposed patch, testcase, etc.)

Description Jóhann B. Guðmundsson 2016-03-20 08:52:02 UTC 
Description of problem:

[    0.755854] Freeing unused kernel memory: 592K (ffff880001b6c000 - ffff880001c00000)
[    0.755869] ------------[ cut here ]------------
[    0.755881] WARNING: CPU: 1 PID: 1 at arch/x86/mm/dump_pagetables.c:225 note_page+0x635/0x7e0()
[    0.755886] x86/mm: Found insecure W+X mapping at address ffff880000000000/0xffff880000000000
[    0.755889] Modules linked in:
[    0.755897] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.5.0-301.fc24.x86_64 #1
[    0.755900] Hardware name: LENOVO 4180WPD/4180WPD, BIOS 83ET76WW (1.46 ) 07/05/2013
[    0.755904]  0000000000000286 0000000081a21b88 ffff8801193d3d40 ffffffff813d494f
[    0.755911]  ffff8801193d3d88 ffffffff81a646c6 ffff8801193d3d78 ffffffff810a6142
[    0.755917]  ffff8801193d3e90 8000000000000163 0000000000000004 0000000000000000
[    0.755922] Call Trace:
[    0.755934]  [<ffffffff813d494f>] dump_stack+0x63/0x84
[    0.755942]  [<ffffffff810a6142>] warn_slowpath_common+0x82/0xc0
[    0.755948]  [<ffffffff810a61dc>] warn_slowpath_fmt+0x5c/0x80
[    0.755956]  [<ffffffff81072055>] note_page+0x635/0x7e0
[    0.755963]  [<ffffffff81072518>] ptdump_walk_pgd_level_core+0x318/0x450
[    0.755971]  [<ffffffff81072687>] ptdump_walk_pgd_level_checkwx+0x17/0x20
[    0.755976]  [<ffffffff81067ac1>] mark_rodata_ro+0xf1/0x100
[    0.755985]  [<ffffffff817c0c60>] ? rest_init+0x80/0x80
[    0.755991]  [<ffffffff817c0c7d>] kernel_init+0x1d/0xe0
[    0.755998]  [<ffffffff817ce03f>] ret_from_fork+0x3f/0x70
[    0.756004]  [<ffffffff817c0c60>] ? rest_init+0x80/0x80
[    0.756009] ---[ end trace e268dcb3949faa57 ]---
[    0.777778] x86/mm: Checked W+X mappings: FAILED, 31256 W+X pages found.
[    0.827556] usb 1-1: New USB device found, idVendor=8087, idProduct=0024
Comment 1 Jóhann B. Guðmundsson 2016-03-20 08:54:20 UTC 
Created attachment 1138204 [details]
dmesg
Comment 2 Josh Boyer 2016-05-26 19:23:06 UTC 
This should have been fixed a while ago.  If it isn't, please reopen.
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