netdev - sctp_close/sk_free: kernel BUG at arch/x86/mm/physaddr.c:18!

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Date:	Tue, 4 Sep 2012 22:04:11 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	networking <netdev@...r.kernel.org>
Cc:	Marc Kleine-Budde <mkl@...gutronix.de>, linux-can@...r.kernel.org
Subject: sctp_close/sk_free: kernel BUG at arch/x86/mm/physaddr.c:18!

FYI, another kconfig triggering a slightly different oops on tree

        git://gitorious.org/linux-can/linux-can-next led-trigger

[   96.267311] ------------[ cut here ]------------
[   96.268294] kernel BUG at /c/kernel-tests/src/stable/arch/x86/mm/physaddr.c:18!
[   96.269988] invalid opcode: 0000 [#1] SMP DEBUG_PAGEALLOC
[   96.270636] Modules linked in:
[   96.270636] CPU 0 
[   96.270636] Pid: 2116, comm: trinity Not tainted 3.6.0-rc3+ #2679 Bochs Bochs
[   96.270636] RIP: 0010:[<ffffffff8102b22b>]  [<ffffffff8102b22b>] __phys_addr+0x46/0x6b
[   96.270636] RSP: 0018:ffff880019585c98  EFLAGS: 00010213
[   96.270636] RAX: ffff87ffffffffff RBX: 0000ea6000000bb8 RCX: 0000000000000000
[   96.270636] RDX: 0000000000000000 RSI: 0000000000000296 RDI: 0000ea6000000bb8
[   96.270636] RBP: ffff880019585c98 R08: 0000000000000058 R09: 0000000000000008
[   96.270636] R10: 000000000000000a R11: 0000000000000058 R12: ffff8800195f7718
[   96.270636] R13: ffffffff816521cf R14: ffffea0000000000 R15: 0000000000000000
[   96.270636] FS:  00007fa19b534700(0000) GS:ffff88001f200000(0000) knlGS:0000000000000000
[   96.270636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.270636] CR2: 00007fa19b03eba0 CR3: 000000001957b000 CR4: 00000000000006f0
[   96.270636] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   96.270636] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   96.270636] Process trinity (pid: 2116, threadinfo ffff880019584000, task ffff88001af2c680)
[   96.270636] Stack:
[   96.270636]  ffff880019585cd8 ffffffff811091d7 0000000000000000 ffff88001b1ef200
[   96.270636]  ffff88001b1ef4d0 0000000000000000 ffff88001b1617b0 0000000000000000
[   96.270636]  ffff880019585cf8 ffffffff816521cf ffff88001b1ef200 ffff88001b1ef248
[   96.270636] Call Trace:
[   96.270636]  [<ffffffff811091d7>] kfree+0x63/0x162
[   96.270636]  [<ffffffff816521cf>] inet_sock_destruct+0x112/0x1ca
[   96.270636]  [<ffffffff815f6fa4>] __sk_free+0x1d/0x114
[   96.270636]  [<ffffffff815f710b>] sk_free+0x1c/0x1e
[   96.270636]  [<ffffffff816d59d5>] sctp_close+0x21a/0x229
[   96.270636]  [<ffffffff810810f6>] ? lock_release_holdtime.part.6+0xb2/0xb7
[   96.270636]  [<ffffffff81651b3e>] ? inet_release+0x65/0xc3
[   96.270636]  [<ffffffff81651b93>] inet_release+0xba/0xc3
[   96.270636]  [<ffffffff81651af9>] ? inet_release+0x20/0xc3
[   96.270636]  [<ffffffff81674134>] inet6_release+0x30/0x3c
[   96.270636]  [<ffffffff815f2317>] sock_release+0x1f/0x77
[   96.270636]  [<ffffffff815f2396>] sock_close+0x27/0x2b
[   96.270636]  [<ffffffff8110ec22>] __fput+0xf0/0x24b
[   96.270636]  [<ffffffff8110ed8b>] ____fput+0xe/0x10
[   96.270636]  [<ffffffff8104f370>] task_work_run+0x5d/0x75
[   96.270636]  [<ffffffff81038a66>] do_exit+0x26b/0x7d7
[   96.270636]  [<ffffffff81725a95>] ? retint_swapgs+0x13/0x1b
[   96.270636]  [<ffffffff8103925b>] do_group_exit+0x7b/0xba
[   96.270636]  [<ffffffff810392b1>] sys_exit_group+0x17/0x17
[   96.270636]  [<ffffffff8172c78e>] tracesys+0xd0/0xd5
[   96.270636] Code: 00 80 48 01 c7 48 81 ff ff ff ff 1f 76 02 0f 0b 48 89 f8 48 03 05 f6 bd ae 00 eb 32 48 b8 ff ff ff ff ff 87 ff ff 48 39 c7 77 02 <0f> 0b 0f b6 0d 55 57 ba 00 48 b8 00 00 00 00 00 78 00 00 48 01 
[   96.270636] RIP  [<ffffffff8102b22b>] __phys_addr+0x46/0x6b
[   96.270636]  RSP <ffff880019585c98>

Thanks,
Fengguang

View attachment "dmesg-kvm-fat-3493-2012-09-03-23-04-10-3.6.0-rc3+-2679" of type "text/plain" (50245 bytes)

View attachment "config-3.6.0-rc3+" of type "text/plain" (67870 bytes)