linux-kernel - /proc/*/pagemap BUG: sleeping function called from invalid context

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 9 Apr 2007 12:25:54 +0400
From:	Alexey Dobriyan <adobriyan@...ru>
To:	akpm@...l.org, mpm@...enic.com
Cc:	linux-kernel@...r.kernel.org, devel@...nvz.org
Subject: /proc/*/pagemap BUG: sleeping function called from invalid context

After
	cat /proc/self/pagemap

BUG: sleeping function called from invalid context at include/asm/uaccess.h:453
in_atomic():1, irqs_disabled():0
1 lock held by cat/14183:
 #0:  (&mm->mmap_sem){----}, at: [<c017d17b>] pagemap_read+0x11f/0x21b
 [<c01b7bc7>] copy_to_user+0x37/0x4c
 [<c017cf92>] add_to_pagemap+0x49/0x6f
 [<c017d034>] pagemap_pte_range+0x56/0x7e
 [<c017cfde>] pagemap_pte_range+0x0/0x7e
 [<c01b481d>] walk_page_range+0xf1/0x1a0
 [<c017d1e3>] pagemap_read+0x187/0x21b
 [<c01fdafa>] tty_write+0x1bb/0x1cc
 [<c017d05c>] pagemap_read+0x0/0x21b
 [<c01589b0>] vfs_read+0x72/0x95
 [<c0158cce>] sys_read+0x41/0x67
 [<c0103d96>] sysenter_past_esp+0x8f/0x99
 [<c0103d66>] sysenter_past_esp+0x5f/0x99
 =======================

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/