oops on karmic when reloading apparmor
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Linux |
Invalid
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
High
|
John Johansen |
Bug Description
Binary package hint: apparmor
Running the following on karmic:
AppArmor: 2.3.1+1403-0ubuntu7
Kernel: 2.6.31-4.23
When reloading apparmor with /etc/init.
[ 351.396672] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 351.396689] IP: [<ffffffff81407
[ 351.396730] PGD c00a067 PUD 299b067 PMD 0
[ 351.396733] Oops: 0000 [#1] SMP
[ 351.396735] last sysfs file: /sys/devices/
[ 351.396744] CPU 0
[ 351.396748] Modules linked in: binfmt_misc ppdev lp parport psmouse serio_raw virtio_console i2c_piix4 virtio_balloon pcspkr virtio_pci virtio_ring virtio e1000 floppy fbcon tileblit font bitblit softcursor i915 drm i2c_algo_bit video output intel_agp
[ 351.396770] Pid: 3128, comm: cat Not tainted 2.6.31-4-generic #23-Ubuntu
[ 351.396772] RIP: 0010:[<
[ 351.396776] RSP: 0018:ffff880002
[ 351.396778] RAX: fffffffffffffff0 RBX: ffff8800029e4080 RCX: 0000000000000002
[ 351.396779] RDX: ffff880017420030 RSI: ffff880017420010 RDI: ffff880017420010
[ 351.396781] RBP: ffff8800029d1e58 R08: 0000000000000073 R09: 0000000000001000
[ 351.396786] R10: 00007fff4e6662f0 R11: 0000000000000246 R12: ffff880006e1ec00
[ 351.396787] R13: ffff880017420010 R14: 00000000000001dc R15: ffff8800029d1ea8
[ 351.396794] FS: 00007fee8678f6f
[ 351.396796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 351.396798] CR2: 0000000000000000 CR3: 000000001585d000 CR4: 00000000000006b0
[ 351.396807] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 351.396814] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 351.396816] Process cat (pid: 3128, threadinfo ffff8800029d0000, task ffff8800092b2d60)
[ 351.396817] Stack:
[ 351.396818] ffff8800029d1e68 ffff8800029e4080 ffff8800029d1e68 ffffffff81407250
[ 351.396824] <0> ffff8800029d1ee8 ffffffff8113506a ffff88000299b068 0000000001bd3000
[ 351.396827] <0> ffff8800029e40b8 ffff8800029d1f48 0000000000008000 0000000000000000
[ 351.396830] Call Trace:
[ 351.396834] [<ffffffff81407
[ 351.396855] [<ffffffff81135
[ 351.396871] [<ffffffff81118
[ 351.396888] [<ffffffff8151f
[ 351.396891] [<ffffffff81118
[ 351.396904] [<ffffffff81011
[ 351.396906] Code: 00 48 c7 c2 9e 1a 71 81 eb d8 0f 1f 80 00 00 00 00 55 48 8d 57 20 48 89 e5 53 48 83 ec 08 48 8b 47 20 48 39 c2 74 35 48 83 e8 10 <48> 8b 50 10 0f 18 0a 48 83 c4 08 5b c9 c3 0f 1f 84 00 00 00 00
[ 351.396927] RIP [<ffffffff81407
[ 351.396930] RSP <ffff8800029d1e48>
[ 351.396932] CR2: 0000000000000000
[ 351.396945] ---[ end trace 56cefc00c0a9a772 ]---
[ 357.766102] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 357.766107] IP: [<ffffffff81407
[ 357.766120] PGD c00b067 PUD 1585c067 PMD 0
[ 357.766124] Oops: 0000 [#2] SMP
[ 357.766126] last sysfs file: /sys/devices/
[ 357.766129] CPU 0
[ 357.766131] Modules linked in: binfmt_misc ppdev lp parport psmouse serio_raw virtio_console i2c_piix4 virtio_balloon pcspkr virtio_pci virtio_ring virtio e1000 floppy fbcon tileblit font bitblit softcursor i915 drm i2c_algo_bit video output intel_agp
[ 357.766148] Pid: 3137, comm: aa-status Tainted: G D 2.6.31-4-generic #23-Ubuntu
[ 357.766150] RIP: 0010:[<
[ 357.766154] RSP: 0018:ffff880006
[ 357.766189] RAX: fffffffffffffff0 RBX: ffff8800029e4000 RCX: 0000000000000002
[ 357.766192] RDX: ffff880017420030 RSI: ffff880017420010 RDI: ffff880017420010
[ 357.766193] RBP: ffff880006dc7e58 R08: 0000000000000073 R09: 0000000000001000
[ 357.766195] R10: 0000000000000000 R11: 0000000000000246 R12: ffff880006e1e540
[ 357.766197] R13: ffff880017420010 R14: 00000000000001dc R15: ffff880006dc7ea8
[ 357.766205] FS: 00007f9b898cb6f
[ 357.766208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 357.766209] CR2: 0000000000000000 CR3: 000000001585e000 CR4: 00000000000006b0
[ 357.766217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 357.766232] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 357.766234] Process aa-status (pid: 3137, threadinfo ffff880006dc6000, task ffff8800092b2d60)
[ 357.766236] Stack:
[ 357.766237] ffff880006dc7e68 ffff8800029e4000 ffff880006dc7e68 ffffffff81407250
[ 357.766240] <0> ffff880006dc7ee8 ffffffff8113506a 0000000000000000 0000000001a83c50
[ 357.766243] <0> ffff8800029e4038 ffff880006dc7f48 0000000000001000 0000000000000000
[ 357.766247] Call Trace:
[ 357.766251] [<ffffffff81407
[ 357.766255] [<ffffffff81135
[ 357.766259] [<ffffffff81118
[ 357.766261] [<ffffffff81118
[ 357.766264] [<ffffffff81126
[ 357.766269] [<ffffffff81011
[ 357.766270] Code: 00 48 c7 c2 9e 1a 71 81 eb d8 0f 1f 80 00 00 00 00 55 48 8d 57 20 48 89 e5 53 48 83 ec 08 48 8b 47 20 48 39 c2 74 35 48 83 e8 10 <48> 8b 50 10 0f 18 0a 48 83 c4 08 5b c9 c3 0f 1f 84 00 00 00 00
[ 357.766294] RIP [<ffffffff81407
[ 357.766297] RSP <ffff880006dc7e48>
[ 357.766298] CR2: 0000000000000000
[ 357.766301] ---[ end trace 56cefc00c0a9a773 ]---
If I do a reload a second time, the machine hangs.
Related branches
affects: | apparmor (Ubuntu) → linux (Ubuntu) |
Changed in linux (Ubuntu): | |
assignee: | nobody → John Johansen (jjohansen) |
importance: | Undecided → High |
tags: | added: regression-potential |
Changed in linux: | |
status: | In Progress → Invalid |
I'm seeing this on an i386 machine, but not my amd64.