I get this as well. I'm on ext3 - latest gutsy packages (Kernel is 2.6.22-7).
For standard files everything is fine - however I see problems touching files which aren't owned by the logged in user - but should be writeable by them. In this particular case file ownership is: $ stat Dordogne\ -\ 2007\ 183.jpg File: `Dordogne - 2007 183.jpg' Size: 568711 Blocks: 1120 IO Block: 4096 regular file Device: 801h/2049d Inode: 5374316 Links: 1 Access: (2674/-rw-rwsr--) Uid: ( 1001/documents) Gid: ( 1001/documents) The logged in user is a member of the group "documents". This seems to confirm the observation in bug 124358 and is 100% repeatable on my system. dmesg output below: [392138.548000] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000030 [392138.548000] printing eip: [392138.548000] c018870a [392138.548000] *pde = 00000000 [392138.548000] Oops: 0000 [#2] [392138.548000] SMP [392138.548000] Modules linked in: nls_cp437 ntfs arc4 ecb blkcipher ieee80211_crypt_wep rfcomm l2cap bluetooth ipv6 powernow_k8 cpufreq_stats cpufreq_ondemand cpufreq_powersave cpufreq_conservative cpufreq_userspace freq_table ac container asus_acpi battery button video sbs dock lp fuse snd_via82xx gameport snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_mpu401_uart snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event parport_pc snd_seq snd_timer snd_seq_device parport psmouse bcm43xx snd i2c_viapro pcspkr k8temp ieee80211softmac soundcore serio_raw i2c_core ieee80211 ieee80211_crypt shpchp pci_hotplug amd64_agp via_agp agpgart af_packet evdev ext3 jbd mbcache sg sd_mod ide_cd cdrom ide_disk floppy sata_via ehci_hcd uhci_hcd usbcore via82cxxx ide_core ata_generic libata scsi_mod 8139cp 8139too mii thermal processor fan capability commoncap [392138.548000] CPU: 0 [392138.548000] EIP: 0060:[<c018870a>] Not tainted VLI [392138.548000] EFLAGS: 00010202 (2.6.22-7-generic #1) [392138.548000] EIP is at permission+0x2a/0x120 [392138.548000] eax: 00000000 ebx: da227ee0 ecx: cc0d3f04 edx: 00003220 [392138.548000] esi: fffffff3 edi: 00000002 ebp: cc0d3f04 esp: cc0d3ee8 [392138.548000] ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 [392138.548000] Process touch (pid: 6697, ti=cc0d2000 task=d56d8a40 task.ti=cc0d2000) [392138.548000] Stack: c35f3df0 fffffff3 00000000 d54e2e40 c01a0e55 c016d678 da227ee0 d54e2e40 [392138.548000] ffffff9c cc0d3f30 00000000 c017f595 d54e2e40 00000000 00008941 b7eadc40 [392138.548000] d1b9b9f8 cccc7000 00000ab4 c5bfcb7c 00000000 00000003 db08b50c 00000002 [392138.548000] Call Trace: [392138.548000] [<c01a0e55>] do_utimes+0x1c5/0x1f0 [392138.548000] [<c016d678>] __handle_mm_fault+0x288/0xb00 [392138.548000] [<c017f595>] nameidata_to_filp+0x35/0x40 [392138.548000] [<c02f482a>] do_page_fault+0x37a/0x680 [392138.548000] [<c01a0f62>] sys_utimensat+0x22/0xa0 [392138.548000] [<c02f44b0>] do_page_fault+0x0/0x680 [392138.548000] [<c01041d2>] sysenter_past_esp+0x6b/0xa9 [392138.548000] ======================= [392138.548000] Code: 00 83 ec 10 89 7c 24 08 89 d7 f7 c7 02 00 00 00 89 1c 24 89 c3 89 6c 24 0c 89 cd 89 74 24 04 0f b7 50 6a 74 1c 8b 80 98 00 00 00 <f6> 40 30 01 0f 85 83 00 00 00 f6 83 3c 01 00 00 08 75 73 8d 76 [392138.548000] EIP: [<c018870a>] permission+0x2a/0x120 SS:ESP 0068:cc0d3ee8 -- touch (do_utimes) causes NULL pointer dereference https://bugs.launchpad.net/bugs/124211 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
