Hi, I don't know if anyone else already reported this, but I randomly get the following kernel crash during boot (Fedora 18, I know it's pretty old!!):
[ 20.940715] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 [ 20.942122] IP: get_net+0x7/0xd [ 20.942739] PGD 0 [ 20.942741] [ 20.943370] Oops: 0002 [#1] SMP [ 20.943910] CPU: 0 PID: 56 Comm: kauditd Not tainted 4.11.0-rc7+ #499 [ 20.945056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.2-20150714_191134- 04/01/2014 [ 20.946675] task: ffff8800783f8040 task.stack: ffffc90000660000 [ 20.947687] RIP: 0010:get_net+0x7/0xd [ 20.948310] RSP: 0018:ffffc90000663e98 EFLAGS: 00010202 [ 20.949409] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 9dd28c6188bbd6db [ 20.951093] RDX: ffffffff8111556a RSI: 0000000057539c73 RDI: 0000000000000000 [ 20.952382] RBP: ffffc90000663e98 R08: 0000000000000000 R09: 0000000000000000 [ 20.953658] R10: ffffc90000663e20 R11: 0000000000000000 R12: 0000000000000000 [ 20.954946] R13: 0000000000000000 R14: ffff8800783f8040 R15: ffff8800783f8040 [ 20.956144] FS: 0000000000000000(0000) GS:ffff88007d200000(0000) knlGS:0000000000000000 [ 20.957628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.958672] CR2: 0000000000000004 CR3: 0000000062ea3000 CR4: 00000000000406f0 [ 20.959943] Call Trace: [ 20.960380] kauditd_thread+0x60/0x1dc [ 20.961027] ? signal_pending_state+0x2f/0x2f [ 20.961771] ? auditd_reset+0x5f/0x5f [ 20.962407] kthread+0x107/0x10f [ 20.962963] ? __list_del_entry+0x22/0x22 [ 20.963657] ret_from_fork+0x2e/0x40 [ 20.964267] Code: 00 00 5b 41 5c 5d c3 31 c0 83 bf 84 00 00 00 00 55 48 89 e5 75 0c 8b 87 cc 00 00 00 2b 87 c8 00 00 00 5d c3 55 48 89 f8 48 89 e5 <f0> ff 47 04 5d c3 f0 ff 4f 04 74 01 c3 55 48 89 e5 e8 68 6b 7a [ 20.967651] RIP: get_net+0x7/0xd RSP: ffffc90000663e98 [ 20.968526] CR2: 0000000000000004 [ 20.969094] ---[ end trace aab4cbd6ae264eab ]--- [ 20.969886] Kernel panic - not syncing: Fatal exception [ 20.971312] Kernel Offset: disabled [ 20.971928] ---[ end Kernel panic - not syncing: Fatal exception I guess commit 264d509637d95f9404e introduced this because I never see this crash before pulling net-next today, but given the fact I only saw this once so far, I can't just revert it to verify if it is the case... It is probably some race condition. Please let me know if you need any other information. Thanks!
