Files
tegra-linux-noble/include/linux
Martin Bachem 57de16e612 BUGFIX: used NULL pointer at ioctl(sk,IMGETDEVINFO,&devinfo) when devinfo.id not registered
daxtar example # modprobe hfcsusb
daxtar example # modprobe mISDN_l1loop
daxtar example # ./misdnportinfo
Found 3 devices
        id:             0
        Dprotocols:     00000006
        Bprotocols:     0000000e
        protocol:       0
        nrbchan:        2
        name:           HFC-S_USB.1
        id:             1
        Dprotocols:     00000006
        Bprotocols:     0000000e
        protocol:       0
        nrbchan:        2
        name:           mISDN_l1loop.1
        id:             2
        Dprotocols:     00000006
        Bprotocols:     0000000e
        protocol:       0
        nrbchan:        2
        name:           mISDN_l1loop.2
daxtar example # rmmod hfcsusb
daxtar example # ./misdnportinfo
Found 2 devices
*Segmentation* *fault*

dmesg:

[ 9914.939718] BUG: unable to handle kernel NULL pointer dereference at 000000d4
[ 9914.939721] IP: [<f8f9f2dd>] :mISDN_core:get_mdevice+0x19/0x22
[ 9914.939729] *pde = 00000000
[ 9914.939732] Oops: 0000 [#14] PREEMPT SMP
[ 9914.939734] Modules linked in: mISDN_l1loop mISDN_core vmnet vmblock vmci vmmon coretemp w83627ehf hwmon_vid rfcomm l2cap blue
tooth usbhid snd_usb_audio snd_usb_lib snd_rawmidi snd_hwdep fuse nvidia(P) uhci_hcd i2c_i801 ehci_hcd snd_hda_intel atl1 usbcore i2c_core parport_seria
l [last unloaded: hfcsusb]
[ 9914.939751] Pid: 29618, comm: misdnportinfo Tainted: P      D   (2.6.27.3 #5)
[ 9914.939753] EIP: 0060:[<f8f9f2dd>] EFLAGS: 00210246 CPU: 0
[ 9914.939758] EIP is at get_mdevice+0x19/0x22 [mISDN_core]
[ 9914.939760] EAX: 00000000 EBX: f8fa791c ECX: f6afaa58 EDX: f7960cf4
[ 9914.939762] ESI: 80044944 EDI: bfc2e62c EBP: bfc2e62c ESP: f5adbef4
[ 9914.939763]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 9914.939765] Process misdnportinfo (pid: 29618, ti=f5ada000 task=f6bec430 task.ti=f5ada000)
[ 9914.939767] Stack: f8f9f4e0 00000000 f8f9f867 bfc2e62c 0000000a c02461e8 00200246 c042dde8
[ 9914.939771]        00000003 c042dde4 00000000 00000001 00200082 c0114775 00000000 00000000
[ 9914.939775]        00000003 f7088010 00200282 f8fa791c 80044944 bfc2e62c bfc2e62c c02f6615
[ 9914.939780] Call Trace:
[ 9914.939782]  [<f8f9f4e0>] _get_mdevice+0x0/0x18 [mISDN_core]
[ 9914.939789]  [<f8f9f867>] base_sock_ioctl+0x7a/0x129 [mISDN_core]
[ 9914.939789]  [<c02461e8>] opost+0x171/0x182
[ 9914.939789]  [<c0114775>] __wake_up+0x29/0x39
[ 9914.939789]  [<c02f6615>] sock_ioctl+0x1b5/0x1d9
[ 9914.939789]  [<c02f6460>] sock_ioctl+0x0/0x1d9
[ 9914.939789]  [<c016794c>] vfs_ioctl+0x1c/0x5d
[ 9914.939789]  [<c0167bcb>] do_vfs_ioctl+0x23e/0x24e
[ 9914.939789]  [<c0167c07>] sys_ioctl+0x2c/0x45
[ 9914.939789]  [<c0102cbd>] sysenter_do_call+0x12/0x21
[ 9914.939789]  [<c0350000>] pci_fixup_i450gx+0x4e/0x56
[ 9914.939789]  =======================
[ 9914.939789] Code: 00 68 02 f0 f9 f8 e8 ae b4 2c c7 8b 44 24 04 5a 59 c3 83 ec 04 31 d2 89 04 24 89 e1 b8 ac df fa f8 68 e0 f4
f9 f8 e8 4a b5 2c c7 <8b> 80 d4 00 00 00 5a 59 c3 53 89 cb 8d 90 9c 00 00 00 89 c8 e8
[ 9914.939789] EIP: [<f8f9f2dd>] get_mdevice+0x19/0x22 [mISDN_core] SS:ESP 0068:f5adbef4
[ 9914.939858] ---[ end trace 50e18a715b019424 ]---

Signed-off-by: Martin Bachem <m.bachem@gmx.de>
Signed-off-by: Karsten Keil <kkeil@suse.de>
2009-01-11 17:55:16 +01:00
..
2009-01-06 11:07:54 -08:00
2009-01-08 12:38:58 +00:00
2009-01-09 12:37:15 -08:00
2009-01-07 17:38:32 -05:00
2008-12-29 08:29:50 +01:00
2008-12-03 22:12:38 -08:00
2008-12-03 22:12:38 -08:00
2009-01-06 15:59:29 -08:00
2009-01-01 10:12:19 +10:30
2008-11-26 12:13:34 +01:00
2009-01-04 13:33:20 -08:00
2008-11-12 17:17:18 -08:00
2009-01-08 08:31:10 -08:00
2008-11-30 11:00:15 -08:00
2009-01-02 12:19:34 -08:00
2008-12-29 17:47:23 +10:00
2008-12-25 11:01:43 +11:00
2008-11-24 18:57:41 -05:00
2008-12-31 18:07:38 -05:00
2008-12-29 07:39:34 -05:00
2008-12-15 23:44:31 -08:00
2008-12-29 11:27:46 +02:00
2008-12-31 18:07:42 -05:00
2008-12-01 19:14:02 +01:00
2009-01-06 15:59:01 -08:00
2008-12-08 01:14:16 -08:00
2009-01-07 14:29:17 +01:00
2009-01-06 10:50:09 -08:00
2008-12-31 18:07:42 -05:00
2008-11-03 18:21:45 +01:00
2009-01-08 08:31:00 -08:00
2009-01-05 08:40:30 -08:00
2008-12-31 15:11:46 +01:00
2009-01-03 14:11:07 +01:00
2009-01-08 08:31:07 -08:00
2008-11-06 15:41:21 -08:00
2008-12-08 14:31:59 +01:00
2008-11-19 18:49:57 -08:00
2009-01-07 17:38:31 -05:00
2008-12-23 15:21:45 -05:00
2008-12-19 15:22:54 -05:00
2008-12-21 14:21:14 +11:00
2009-01-08 08:31:05 -08:00
2008-11-28 16:24:56 -08:00
2009-01-08 08:31:12 -08:00
2008-11-07 22:56:00 -08:00
2008-11-20 04:10:00 -08:00
2009-01-06 10:44:30 -08:00
2009-01-06 15:59:12 -08:00
2008-12-20 09:15:46 +01:00
2009-01-05 18:31:12 -08:00
2008-11-12 17:17:17 -08:00
2008-11-16 19:39:21 -08:00
2009-01-04 13:33:20 -08:00
2009-01-07 09:58:22 +11:00
2008-12-15 23:42:33 -08:00
2008-12-30 09:05:16 +10:30
2008-11-24 21:27:22 -08:00
2009-01-08 08:31:10 -08:00
2009-01-01 10:12:25 +10:30
2008-12-12 17:01:38 +01:00
2009-01-02 10:19:36 -08:00
2009-01-07 10:00:14 -08:00
2009-01-06 15:59:09 -08:00