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Date: Sat, 31 Aug 2013 12:01:27 +0200 From: Pavel Machek <pavel@....cz> To: marcel@...tmann.org, gustavo@...ovan.org, johan.hedberg@...il.com, linux-bluetooth@...r.kernel.org, kernel list <linux-kernel@...r.kernel.org> Subject: 3.11-rc2: unpriviledged user crashes kernel using bluetooth Hi! While trying to set up serial bluetooth connection between two machines, the server machine died rather hard. This is what I got on ssh: Message from syslogd@duo at Aug 31 11:50:07 ... kernel:Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.19 ) 03/31/2011 Message from syslogd@duo at Aug 31 11:50:07 ... kernel:task: e6d6a670 ti: e8fd8000 task.ti: e8fd8000 Message from syslogd@duo at Aug 31 11:50:07 ... kernel:Stack: Message from syslogd@duo at Aug 31 11:50:07 ... kernel:Call Trace: Message from syslogd@duo at Aug 31 11:50:07 ... kernel:Code: 66 ff ff ff eb b9 ba 79 c9 b6 c0 89 d8 e8 58 ff ff ff eb a0 8d b6 00 00 00 00 55 89 e5 83 ec 10 89 5d f4 89 c3 89 75 f8 89 7d fc <81> 78 04 ad 4e ad de 0f 85 11 01 00 00 64 a1 4c 87 d2 c0 39 43 Message from syslogd@duo at Aug 31 11:50:07 ... kernel:EIP: [<c04621f1>] do_raw_spin_lock+0x11/0x140 SS:ESP 0068:e8fd9e0c Message from syslogd@duo at Aug 31 11:50:07 ... kernel:CPU: 0 PID: 3822 Comm: modem-manager Tainted: G D W 3.11.0-rc2+ #306 Message from syslogd@duo at Aug 31 11:50:07 ... kernel:Hardware name: LENOVO 17097HU/17097HU, BIOS 7BETD8WW (2.19 ) 03/31/2011 Message from syslogd@duo at Aug 31 11:50:07 ... kernel:task: e6d9a670 ti: e6d4e000 task.ti: e6d4e000 Message from syslogd@duo at Aug 31 11:50:07 ... kernel:Stack: Message from syslogd@duo at Aug 31 11:50:07 ... kernel:Call Trace: Message from syslogd@duo at Aug 31 11:50:07 ... kernel:Code: 66 ff ff ff eb b9 ba 79 c9 b6 c0 89 d8 e8 58 ff ff ff eb a0 8d b6 00 00 00 00 55 89 e5 83 ec 10 89 5d f4 89 c3 89 75 f8 89 7d fc <81> 78 04 ad 4e ad de 0f 85 11 01 00 00 64 a1 4c 87 d2 c0 39 43 Message from syslogd@duo at Aug 31 11:50:07 ... kernel:EIP: [<c04621f1>] do_raw_spin_lock+0x11/0x140 SS:ESP 0068:e6d4fe0c . Python sources for client/server are at http://tui.cvs.sourceforge.net/viewvc/tui/tui/liveview/ . My kernels like to warn about Aug 31 11:46:37 duo kernel: WARNING: CPU: 1 PID: 1 at net/wireless/reg.c:423 regulatory_init+0x92/0xff() Aug 31 11:46:37 duo kernel: db.txt is empty, you should update it... . 3.10 does not seem to be affected. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/
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