From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262343AbVHFHWt (ORCPT ); Sat, 6 Aug 2005 03:22:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262403AbVHFHUf (ORCPT ); Sat, 6 Aug 2005 03:20:35 -0400 Received: from coyote.holtmann.net ([217.160.111.169]:39311 "EHLO mail.holtmann.net") by vger.kernel.org with ESMTP id S262088AbVHFHSR (ORCPT ); Sat, 6 Aug 2005 03:18:17 -0400 Subject: NULL pointer dereference at vt_ioctl() From: Marcel Holtmann To: Linux Kernel Mailing List Content-Type: text/plain Date: Sat, 06 Aug 2005 09:18:44 +0200 Message-Id: <1123312725.10911.3.camel@pegasus> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, with the latest 2.6.13-rc5-git kernel I see three weird oopses when I boot up my machine. All of refer to vt_ioctl(). Regards Marcel Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c022d1f5 *pde = 00000000 Oops: 0000 [#1] SMP Modules linked in: rfcomm hidp l2cap af_packet tun irda crc_ccitt binfmt_misc ipv6 xfrm_user ipcomp esp4 ah4 pcmcia firmware_class ide_cd cdrom yenta_socket rsrc_nonstatic pcmcia_core ohci_hcd 8250_pci 8250 serial_core st sd_mod aic7xxx scsi_transport_spi scsi_mod skge snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc tpm_atmel tpm_nsc tpm ehci_hcd evdev usbhid hci_usb bluetooth uhci_hcd usbcore intel_agp deflate zlib_deflate zlib_inflate twofish serpent aes_i586 blowfish des sha256 sha1 md5 crypto_null af_key nls_iso8859_1 nls_cp437 vfat fat nls_base mga drm agpgart w83627hf i2c_sensor i2c_isa i2c_i801 i2c_core sk98lin unix CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010286 (2.6.13-rc5) EIP is at vt_ioctl+0x15/0x1948 eax: c022d1e0 ebx: f7468680 ecx: f7468680 edx: bf98f420 esi: 00000000 edi: f5437000 ebp: 00005401 esp: f55fdeb4 ds: 007b es: 007b ss: 0068 Process getty (pid: 7578, threadinfo=f55fc000 task=c223e020) Stack: c02363e1 f7468680 ffffffed f7468680 f55fc000 c0227a46 f5437000 f7468680 f55fdee4 8802e020 f55fc000 00000002 f5437000 00000000 f7c41c04 c02277ba f7e8a444 c0169493 f7e8a444 f7468680 c0160a51 f7468680 f7468680 fffffff8 Call Trace: [] con_open+0x22/0x8e [] tty_open+0x28c/0x313 [] tty_open+0x0/0x313 [] chrdev_open+0xb2/0x184 [] get_empty_filp+0x6a/0x107 [] tty_ioctl+0x95/0x4ad [] do_ioctl+0x78/0x81 [] vfs_ioctl+0x5a/0x1ef [] sys_ioctl+0x6f/0x7d [] sysenter_past_esp+0x54/0x75 Code: 12 32 c0 e8 0e 12 0a 00 e9 1e ff ff ff 90 90 90 90 90 90 90 90 90 55 57 56 53 83 ec 58 8b 7c 24 6c 8b 6c 24 74 8b b7 9c 09 00 00 <0f> b7 1e 89 1c 24 e8 f8 62 00 00 85 c0 75 0f bb fd fd ff ff 89 <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c022d1f5 *pde = 00000000 Oops: 0000 [#2] SMP Modules linked in: rfcomm hidp l2cap af_packet tun irda crc_ccitt binfmt_misc ipv6 xfrm_user ipcomp esp4 ah4 pcmcia firmware_class ide_cd cdrom yenta_socket rsrc_nonstatic pcmcia_core ohci_hcd 8250_pci 8250 serial_core st sd_mod aic7xxx scsi_transport_spi scsi_mod skge snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc tpm_atmel tpm_nsc tpm ehci_hcd evdev usbhid hci_usb bluetooth uhci_hcd usbcore intel_agp deflate zlib_deflate zlib_inflate twofish serpent aes_i586 blowfish des sha256 sha1 md5 crypto_null af_key nls_iso8859_1 nls_cp437 vfat fat nls_base mga drm agpgart w83627hf i2c_sensor i2c_isa i2c_i801 i2c_core sk98lin unix CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010286 (2.6.13-rc5) EIP is at vt_ioctl+0x15/0x1948 eax: c022d1e0 ebx: f7468680 ecx: f7468680 edx: bf9b0860 esi: 00000000 edi: f5437000 ebp: 00005401 esp: f55fdeb4 ds: 007b es: 007b ss: 0068 Process getty (pid: 7615, threadinfo=f55fc000 task=c223e020) Stack: 00000001 00000001 f55fdee4 c0118c11 f7ec1a60 00000003 00000000 00000000 c031a57c c031a56c c031a574 00000282 f55fdf00 c0118ca8 c031a574 00000003 00000001 00000000 00000000 00000282 c02ce263 00000001 f7468680 fffffff8 Call Trace: [] __wake_up_common+0x43/0x65 [] __wake_up_locked+0x2a/0x2c [] __down+0xaf/0xf5 [] tty_ioctl+0x95/0x4ad [] do_ioctl+0x78/0x81 [] vfs_ioctl+0x5a/0x1ef [] sys_ioctl+0x6f/0x7d [] sysenter_past_esp+0x54/0x75 Code: 12 32 c0 e8 0e 12 0a 00 e9 1e ff ff ff 90 90 90 90 90 90 90 90 90 55 57 56 53 83 ec 58 8b 7c 24 6c 8b 6c 24 74 8b b7 9c 09 00 00 <0f> b7 1e 89 1c 24 e8 f8 62 00 00 85 c0 75 0f bb fd fd ff ff 89 <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 printing eip: c022d1f5 *pde = 00000000 Oops: 0000 [#3] SMP Modules linked in: rfcomm hidp l2cap af_packet tun irda crc_ccitt binfmt_misc ipv6 xfrm_user ipcomp esp4 ah4 pcmcia firmware_class ide_cd cdrom yenta_socket rsrc_nonstatic pcmcia_core ohci_hcd 8250_pci 8250 serial_core st sd_mod aic7xxx scsi_transport_spi scsi_mod skge snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc tpm_atmel tpm_nsc tpm ehci_hcd evdev usbhid hci_usb bluetooth uhci_hcd usbcore intel_agp deflate zlib_deflate zlib_inflate twofish serpent aes_i586 blowfish des sha256 sha1 md5 crypto_null af_key nls_iso8859_1 nls_cp437 vfat fat nls_base mga drm agpgart w83627hf i2c_sensor i2c_isa i2c_i801 i2c_core sk98lin unix CPU: 1 EIP: 0060:[] Not tainted VLI EFLAGS: 00010286 (2.6.13-rc5) EIP is at vt_ioctl+0x15/0x1948 eax: c022d1e0 ebx: f7468680 ecx: f7468680 edx: bfeed250 esi: 00000000 edi: f5437000 ebp: 00005401 esp: f55fdeb4 ds: 007b es: 007b ss: 0068 Process getty (pid: 7618, threadinfo=f55fc000 task=c223e020) Stack: 00000001 00000001 f55fdee4 c0118c11 f7ec1a60 00000003 00000000 00000000 c031a57c c031a56c c031a574 00000282 f55fdf00 c0118ca8 c031a574 00000003 00000001 00000000 00000000 00000282 c02ce263 00000001 f7468680 fffffff8 Call Trace: [] __wake_up_common+0x43/0x65 [] __wake_up_locked+0x2a/0x2c [] __down+0xaf/0xf5 [] tty_ioctl+0x95/0x4ad [] do_ioctl+0x78/0x81 [] vfs_ioctl+0x5a/0x1ef [] sys_ioctl+0x6f/0x7d [] sysenter_past_esp+0x54/0x75 Code: 12 32 c0 e8 0e 12 0a 00 e9 1e ff ff ff 90 90 90 90 90 90 90 90 90 55 57 56 53 83 ec 58 8b 7c 24 6c 8b 6c 24 74 8b b7 9c 09 00 00 <0f> b7 1e 89 1c 24 e8 f8 62 00 00 85 c0 75 0f bb fd fd ff ff 89