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Subject: mysterious udev segfault
From: Rogelio Serrano <rogelio.serrano@gmail.com>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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on boot i get this half of the time:

[    6.349867] general protection fault: 0000 [#1] SMP
[    6.352177] Modules linked in: zram lz4_decompress lz4_compress unix
[    6.354483] CPU: 1 PID: 112 Comm: udevd Not tainted 3.16.3-grsec-26 #2
[    6.356583] Hardware name: Matsushita Electric Industrial Co.,Ltd. CF-W7DWM0$
[    6.356583] task: ffff8800ba589e00 ti: ffff8800ba58a5d8 task.ti: ffff8800ba5$
[    6.356583] RIP: 0010:[<ffffffff812f9a2c>]  [<ffffffff812f9a2c>] ffffffff812$
[    6.356583] RSP: 0018:ffffc9001555b9c8  EFLAGS: 00010246
[    6.356583] RAX: 0000000000000000 RBX: fefefefefefefefe RCX: ffff8800bb6d0a68
[    6.356583] RDX: ffffc9001555ba18 RSI: 0000000000000036 RDI: fefefefefefefefe
[    6.356583] RBP: ffffc9001555b9f8 R08: 0000000000015660 R09: ffff8800bb71d890
[    6.356583] R10: ffff8800b9087000 R11: 000000000000000a R12: 0000000000000036
[    6.356583] R13: ffffc9001555ba18 R14: ffff8800bb145b58 R15: ffff8800bab10000
[    6.356583] FS:  000002c2ecf717c0(0000) GS:ffff8800bf500000(0000) knlGS:0000$
[    6.356583] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    6.356583] CR2: 000006c2ecf7b000 CR3: 000000000194d000 CR4: 00000000000007f0
[    6.356583] Stack:
[    6.356583]  ffffc9001555b9f8 f4b9ed2e7f08ef51 000000000003602f ffff8800bb71$
[    6.356583]  ffff8800bb6d0c70 0000000000000036 ffffc9001555ba58 ffffffff812f$
[    6.356583]  ffff8800bb6d0a68 ffff8800bb71d680 ffffc9001555ba58 f4b9ed2e7f08$
[    6.356583] Call Trace:
[    6.356583]  [<ffffffff812fa70e>] diRead+0x7e/0x250
[    6.356583]  [<ffffffff812f06c0>] jfs_iget+0x70/0x190
[    6.356583]  [<ffffffff812f1034>] jfs_lookup+0xd4/0xe0
[    6.356583]  [<ffffffff8119e8dc>] ? kmem_cache_alloc+0x3c/0x160
[    6.356583]  [<ffffffff811cf315>] ? __d_alloc+0x35/0x1d0
[    6.356583]  [<ffffffff813b643a>] ? __list_add+0x3a/0x80
[    6.356583]  [<ffffffff811cf7ec>] ? d_alloc+0x6c/0xa0
[    6.356583]  [<ffffffff811bbe28>] lookup_real+0x58/0xb0
[    6.356583]  [<ffffffff811c2f33>] do_last.isra.58+0x7a3/0xf70
[    6.356583]  [<ffffffff811c37d1>] path_openat+0xd1/0x690
[    6.356583]  [<ffffffff811c4188>] do_filp_open+0x58/0xd0
[    6.356583]  [<ffffffff811aca43>] do_sys_open+0x143/0x2d0
[    6.356583]  [<ffffffff811acc13>] SyS_open+0x43/0x70
[    6.356583]  [<ffffffff8193e3b8>] system_call_fastpath+0x16/0x1b
[    6.356583] Code: 48 89 e5 48 83 ec 30 65 48 8b 04 25 28 00 00 00 48 89 45 d$
[    6.356583] RIP  [<ffffffff812f9a2c>] ffffffff812f9a2c
[    6.356583]  RSP <ffffc9001555b9c8>
[    6.380024] general protection fault: 0000 [#2]
[    6.443540] ---[ end trace 32a35fdec5a04e9e ]---


what are we seeing here? a jfs bug?
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