From: Sasha Levin <sasha.levin@oracle.com>
To: "linux-mm@kvack.org" <linux-mm@kvack.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: mm: kernel BUG at mm/huge_memory.c:2785!
Date: Thu, 27 Feb 2014 08:35:06 -0500 [thread overview]
Message-ID: <530F3F0A.5040304@oracle.com> (raw)
Hi all,
While fuzzing with trinity inside a KVM tools guest running latest -next kernel I've stumbled on the
following spew:
[ 1428.146261] kernel BUG at mm/huge_memory.c:2785!
[ 1428.147100] invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
[ 1428.148512] Dumping ftrace buffer:
[ 1428.149497] (ftrace buffer empty)
[ 1428.150248] Modules linked in:
[ 1428.151164] CPU: 106 PID: 29430 Comm: trinity-c106 Tainted: G W
3.14.0-rc4-next-20140226-sasha-00013-g082bdac-dirty #4
[ 1428.153515] task: ffff8808906c8000 ti: ffff880890aa6000 task.ti: ffff880890aa6000
[ 1428.154274] RIP: 0010:[<mm/huge_memory.c:2785>] [<mm/huge_memory.c:2785>]
__split_huge_page_pmd+0x3f/0x2e0
[ 1428.154274] RSP: 0018:ffff880890aa7c98 EFLAGS: 00010287
[ 1428.154274] RAX: ffff880890f34000 RBX: ffff880b3c6791a0 RCX: 00003ffffffff000
[ 1428.154274] RDX: ffff880b3c6791a0 RSI: 00007f29869b4000 RDI: ffff8803dcbd6400
[ 1428.154274] RBP: ffff880890aa7ce8 R08: 00007f29869b5000 R09: 0000000000000000
[ 1428.154274] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880b3c6791a0
[ 1428.154274] R13: 00007f2986800000 R14: ffff8803dcbd6400 R15: 00007f29869b4fff
[ 1428.154274] FS: 00007f298bb67700(0000) GS:ffff8803de800000(0000) knlGS:0000000000000000
[ 1428.154274] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 1428.154274] CR2: 00007f298b978608 CR3: 00000008907c3000 CR4: 00000000000006e0
[ 1428.154274] DR0: 8200000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1428.154274] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[ 1428.154274] Stack:
[ 1428.154274] 00000000001d8400 0000000000000001 ffff880890aa7cc8 ffff880890f34000
[ 1428.154274] ffffffff876bcfe0 ffff880b3c6791a0 00007f29869b4000 00007f29869b5000
[ 1428.154274] ffff880890aa7e18 00007f29869b4fff ffff880890aa7d78 ffffffff8127ff06
[ 1428.154274] Call Trace:
[ 1428.154274] [<mm/memory.c:1230 mm/memory.c:1265 mm/memory.c:1290>] unmap_page_range+0x2a6/0x410
[ 1428.154274] [<mm/memory.c:1338>] unmap_single_vma+0xf1/0x110
[ 1428.154274] [<mm/memory.c:1365>] unmap_vmas+0x61/0xa0
[ 1428.154274] [<mm/mmap.c:2361>] unmap_region+0xbc/0x120
[ 1428.154274] [<include/linux/mm.h:1315 mm/mmap.c:2332 mm/mmap.c:2557>] do_munmap+0x27a/0x350
[ 1428.154274] [<mm/mmap.c:2568>] ? vm_munmap+0x41/0x80
[ 1428.154274] [<mm/mmap.c:2569>] vm_munmap+0x4f/0x80
[ 1428.154274] [<mm/mmap.c:2574>] SyS_munmap+0x27/0x40
[ 1428.154274] [<arch/x86/kernel/entry_64.S:749>] tracesys+0xdd/0xe2
[ 1428.154274] Code: e5 00 00 e0 ff 53 49 89 d4 48 83 ec 28 48 8b 47 40 48 89 45 c8 4c 3b 2f 72 11
49 8d 95 00 00 20 00 48 89 55 c0 48 39 57 08 73 11 <0f> 0b 0f 1f 80 00 00 00 00 eb fe 66 0f 1f 44 00
00 4c 89 e3 49
[ 1428.154274] RIP [<mm/huge_memory.c:2785>] __split_huge_page_pmd+0x3f/0x2e0
[ 1428.154274] RSP <ffff880890aa7c98>
Thanks,
Sasha
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sasha.levin@oracle.com>
To: "linux-mm@kvack.org" <linux-mm@kvack.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: mm: kernel BUG at mm/huge_memory.c:2785!
Date: Thu, 27 Feb 2014 08:35:06 -0500 [thread overview]
Message-ID: <530F3F0A.5040304@oracle.com> (raw)
Hi all,
While fuzzing with trinity inside a KVM tools guest running latest -next kernel I've stumbled on the
following spew:
[ 1428.146261] kernel BUG at mm/huge_memory.c:2785!
[ 1428.147100] invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
[ 1428.148512] Dumping ftrace buffer:
[ 1428.149497] (ftrace buffer empty)
[ 1428.150248] Modules linked in:
[ 1428.151164] CPU: 106 PID: 29430 Comm: trinity-c106 Tainted: G W
3.14.0-rc4-next-20140226-sasha-00013-g082bdac-dirty #4
[ 1428.153515] task: ffff8808906c8000 ti: ffff880890aa6000 task.ti: ffff880890aa6000
[ 1428.154274] RIP: 0010:[<mm/huge_memory.c:2785>] [<mm/huge_memory.c:2785>]
__split_huge_page_pmd+0x3f/0x2e0
[ 1428.154274] RSP: 0018:ffff880890aa7c98 EFLAGS: 00010287
[ 1428.154274] RAX: ffff880890f34000 RBX: ffff880b3c6791a0 RCX: 00003ffffffff000
[ 1428.154274] RDX: ffff880b3c6791a0 RSI: 00007f29869b4000 RDI: ffff8803dcbd6400
[ 1428.154274] RBP: ffff880890aa7ce8 R08: 00007f29869b5000 R09: 0000000000000000
[ 1428.154274] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880b3c6791a0
[ 1428.154274] R13: 00007f2986800000 R14: ffff8803dcbd6400 R15: 00007f29869b4fff
[ 1428.154274] FS: 00007f298bb67700(0000) GS:ffff8803de800000(0000) knlGS:0000000000000000
[ 1428.154274] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 1428.154274] CR2: 00007f298b978608 CR3: 00000008907c3000 CR4: 00000000000006e0
[ 1428.154274] DR0: 8200000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1428.154274] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
[ 1428.154274] Stack:
[ 1428.154274] 00000000001d8400 0000000000000001 ffff880890aa7cc8 ffff880890f34000
[ 1428.154274] ffffffff876bcfe0 ffff880b3c6791a0 00007f29869b4000 00007f29869b5000
[ 1428.154274] ffff880890aa7e18 00007f29869b4fff ffff880890aa7d78 ffffffff8127ff06
[ 1428.154274] Call Trace:
[ 1428.154274] [<mm/memory.c:1230 mm/memory.c:1265 mm/memory.c:1290>] unmap_page_range+0x2a6/0x410
[ 1428.154274] [<mm/memory.c:1338>] unmap_single_vma+0xf1/0x110
[ 1428.154274] [<mm/memory.c:1365>] unmap_vmas+0x61/0xa0
[ 1428.154274] [<mm/mmap.c:2361>] unmap_region+0xbc/0x120
[ 1428.154274] [<include/linux/mm.h:1315 mm/mmap.c:2332 mm/mmap.c:2557>] do_munmap+0x27a/0x350
[ 1428.154274] [<mm/mmap.c:2568>] ? vm_munmap+0x41/0x80
[ 1428.154274] [<mm/mmap.c:2569>] vm_munmap+0x4f/0x80
[ 1428.154274] [<mm/mmap.c:2574>] SyS_munmap+0x27/0x40
[ 1428.154274] [<arch/x86/kernel/entry_64.S:749>] tracesys+0xdd/0xe2
[ 1428.154274] Code: e5 00 00 e0 ff 53 49 89 d4 48 83 ec 28 48 8b 47 40 48 89 45 c8 4c 3b 2f 72 11
49 8d 95 00 00 20 00 48 89 55 c0 48 39 57 08 73 11 <0f> 0b 0f 1f 80 00 00 00 00 eb fe 66 0f 1f 44 00
00 4c 89 e3 49
[ 1428.154274] RIP [<mm/huge_memory.c:2785>] __split_huge_page_pmd+0x3f/0x2e0
[ 1428.154274] RSP <ffff880890aa7c98>
Thanks,
Sasha
next reply other threads:[~2014-02-27 13:35 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-27 13:35 Sasha Levin [this message]
2014-02-27 13:35 ` mm: kernel BUG at mm/huge_memory.c:2785! Sasha Levin
2014-02-27 15:03 ` Kirill A. Shutemov
2014-02-27 15:03 ` Kirill A. Shutemov
2014-03-04 23:57 ` Sasha Levin
2014-03-04 23:57 ` Sasha Levin
2014-03-05 13:52 ` Kirill A. Shutemov
2014-03-05 13:52 ` Kirill A. Shutemov
2014-03-06 4:44 ` Sasha Levin
2014-03-06 4:44 ` Sasha Levin
2014-03-05 3:16 ` Bob Liu
2014-03-05 3:16 ` Bob Liu
2014-03-05 3:53 ` Sasha Levin
2014-03-05 3:53 ` Sasha Levin
2014-03-07 1:32 ` Sasha Levin
2014-03-07 1:32 ` Sasha Levin
2014-03-07 12:18 ` Kirill A. Shutemov
2014-03-07 12:18 ` Kirill A. Shutemov
2014-03-14 20:42 ` Sasha Levin
2014-03-14 20:42 ` Sasha Levin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=530F3F0A.5040304@oracle.com \
--to=sasha.levin@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=kirill.shutemov@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.