Oct 23 00:47:38 g5n kernel: [ 169.465927] grsec: (miro:U:/) exec of /usr/local/bin/GentooVM (GentooVM -boot d -cdrom install-amd64-minimal-20161020.iso ) by /usr/local/bin/GentooVM[bash:4370] uid/euid:1000/1000 gid/egid:1000/1000, parent /bin/bash[bash:4274] uid/euid:1000/1000 gid/egid:1000/1000 Oct 23 00:47:38 g5n kernel: [ 169.478826] grsec: (miro:U:/usr/bin/qemu-system-x86_64) exec of /usr/bin/qemu-system-x86_64 (qemu-system-x86_64 -enable-kvm -cpu host -drive file=GentooVM.img,if=virtio -netdev user,id=vmnic,hostname=gentoovm -device virt) by /usr/bin/qemu-system-x86_64[GentooVM:4370] uid/euid:1000/1000 gid/egid:1000/1000, parent /bin/bash[bash:4274] uid/euid:1000/1000 gid/egid:1000/1000 Oct 23 00:47:39 g5n kernel: [ 170.479392] BUG: unable to handle kernel NULL pointer dereference at (nil) Oct 23 00:47:39 g5n kernel: [ 170.479587] IP: [] kvm_irqfd_release+0x27/0x85 Oct 23 00:47:39 g5n kernel: [ 170.479731] PGD 3fd192067 PUD 0 Oct 23 00:47:39 g5n kernel: [ 170.479815] Oops: 0000 [#1] PREEMPT SMP Oct 23 00:47:39 g5n kernel: [ 170.479901] Modules linked in: Oct 23 00:47:39 g5n kernel: [ 170.479977] CPU: 1 PID: 4370 Comm: qemu-system-x86 Not tainted 4.7.9-hardened-161023 #1 Oct 23 00:47:39 g5n kernel: [ 170.480143] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./970 Extreme4, BIOS P2.60 11/11/2013 Oct 23 00:47:39 g5n kernel: [ 170.480348] task: ffff8803f883e400 ti: ffff8803f883eb30 task.ti: ffff8803f883eb30 Oct 23 00:47:39 g5n kernel: [ 170.480503] RIP: 0010:[] [] kvm_irqfd_release+0x27/0x85 Oct 23 00:47:39 g5n kernel: [ 170.480711] RSP: 0018:ffffc9000b423d38 EFLAGS: 00010047 Oct 23 00:47:39 g5n kernel: [ 170.480825] RAX: 0000000000000000 RBX: ffff8803f88b4000 RCX: 0000000000000001 Oct 23 00:47:39 g5n kernel: [ 170.480974] RDX: 0000000000000001 RSI: ffff880427845000 RDI: ffff8803f88b4a50 Oct 23 00:47:39 g5n kernel: [ 170.481122] RBP: ffffc9000b423d50 R08: 0000000000000000 R09: 0000000000000000 Oct 23 00:47:39 g5n kernel: [ 170.481271] R10: ffff8804278450d0 R11: 0000039286840000 R12: ffff8803f88b4a58 Oct 23 00:47:39 g5n kernel: [ 170.481419] R13: ffff8803f88b4a50 R14: ffff8800b999d9c0 R15: ffff8800b9d441a8 Oct 23 00:47:39 g5n kernel: [ 170.481569] FS: 0000039286640b00(0000) GS:ffff88043fc80000(0000) knlGS:0000000000000000 Oct 23 00:47:39 g5n kernel: [ 170.481738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Oct 23 00:47:39 g5n kernel: [ 170.481882] CR2: 0000000000000000 CR3: 0000000002187000 CR4: 00000000000006f0 Oct 23 00:47:39 g5n kernel: [ 170.482029] Stack: Oct 23 00:47:39 g5n kernel: [ 170.482075] ffff8803f88b4000 0000000000000008 ffff8800b9808b40 ffffc9000b423d68 Oct 23 00:47:39 g5n kernel: [ 170.482248] ffffffff8101a334 ffff880427845000 ffffc9000b423da8 ffffffff8119ce39 Oct 23 00:47:39 g5n kernel: [ 170.482419] ffff8804278450d0 ffff880427845080 ffff8803f883e400 ffff8803f883e840 Oct 23 00:47:39 g5n kernel: [ 170.482590] Call Trace: Oct 23 00:47:39 g5n kernel: [ 170.482650] [] kvm_vm_release+0x17/0x32 Oct 23 00:47:39 g5n kernel: [ 170.482768] [] __fput+0x121/0x1d5 Oct 23 00:47:39 g5n kernel: [ 170.482874] [] ____fput+0x11/0x22 Oct 23 00:47:39 g5n kernel: [ 170.482981] [] task_work_run+0x8c/0xb3 Oct 23 00:47:39 g5n kernel: [ 170.483111] [] do_exit+0x40f/0x999 Oct 23 00:47:39 g5n kernel: [ 170.483220] [] ? wake_up_state+0x1d/0x2d Oct 23 00:47:39 g5n kernel: [ 170.483341] [] ? signal_wake_up_state+0x2c/0x4b Oct 23 00:47:39 g5n kernel: [ 170.483471] [] do_group_exit+0x48/0xb8 Oct 23 00:47:39 g5n kernel: [ 170.483586] [] sys_exit_group+0x12/0x1a Oct 23 00:47:39 g5n kernel: [ 170.483705] [] entry_SYSCALL_64_fastpath+0x13/0xa3 Oct 23 00:47:39 g5n kernel: [ 170.483841] Code: 00 00 00 00 55 48 89 e5 41 55 41 54 49 89 fc 4d 8d ac 24 50 0a 00 00 49 81 c4 58 0a 00 00 53 4c 89 ef e8 b7 44 b4 00 49 8b 04 24 <48> 8b 18 48 8d b8 40 ff ff ff 48 81 eb c0 00 00 00 48 8d 87 c0 Oct 23 00:47:39 g5n kernel: [ 170.484609] RIP [] kvm_irqfd_release+0x27/0x85 Oct 23 00:47:39 g5n kernel: [ 170.484744] RSP Oct 23 00:47:39 g5n kernel: [ 170.484818] CR2: 0000000000000000 Oct 23 00:47:39 g5n kernel: [ 170.505257] ---[ end trace cbbf3eff083c21fa ]--- Oct 23 00:47:39 g5n kernel: [ 170.505264] grsec: banning user with uid 1000 until system restart for suspicious kernel crash Oct 23 00:47:39 g5n kernel: [ 170.505496] Fixing recursive fault but reboot is needed! Oct 23 00:47:39 g5n kernel: [ 170.505505] BUG: scheduling while atomic: qemu-system-x86/4370/0x00000002 Oct 23 00:47:39 g5n kernel: [ 170.505510] Modules linked in: Oct 23 00:47:39 g5n kernel: [ 170.505517] Preemption disabled at:[] ffffffff810da455 Oct 23 00:47:39 g5n kernel: [ 170.505526] Oct 23 00:47:39 g5n kernel: [ 170.505535] CPU: 1 PID: 4370 Comm: qemu-system-x86 Tainted: G D 4.7.9-hardened-161023 #1 Oct 23 00:47:39 g5n kernel: [ 170.505541] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./970 Extreme4, BIOS P2.60 11/11/2013 Oct 23 00:47:39 g5n kernel: [ 170.505546] 0000000000000086 0000000000000086 ffffc9000b4239e0 ffffffff814728a8 Oct 23 00:47:39 g5n kernel: [ 170.505559] 0000000000000003 ffff8803f883e400 0000000000000100 ffffc9000b4239f8 Oct 23 00:47:39 g5n kernel: [ 170.505569] ffffffff810d9de8 ffff88043fc91f00 ffffc9000b423a40 ffffffff81b600b3 Oct 23 00:47:39 g5n kernel: [ 170.505580] Call Trace: Oct 23 00:47:39 g5n kernel: [ 170.505592] [] dump_stack+0x50/0x7b Oct 23 00:47:39 g5n kernel: [ 170.505601] [] __schedule_bug+0x91/0xae Oct 23 00:47:39 g5n kernel: [ 170.505609] [] __schedule+0x68/0x559 Oct 23 00:47:39 g5n kernel: [ 170.505617] [] schedule+0x87/0xa9 Oct 23 00:47:39 g5n kernel: [ 170.505627] [] do_exit+0x102/0x999 Oct 23 00:47:39 g5n kernel: [ 170.505635] [] do_group_exit+0x48/0xb8 Oct 23 00:47:39 g5n kernel: [ 170.505645] [] oops_end+0x84/0x98 Oct 23 00:47:39 g5n kernel: [ 170.505656] [] no_context+0x398/0x400 Oct 23 00:47:39 g5n kernel: [ 170.505666] [] __bad_area_nosemaphore+0x78/0x538 Oct 23 00:47:39 g5n kernel: [ 170.505674] [] ? preempt_count_add+0x60/0x71 Oct 23 00:47:39 g5n kernel: [ 170.505683] [] bad_area_nosemaphore+0x33/0x43 Oct 23 00:47:39 g5n kernel: [ 170.505693] [] __do_page_fault+0x190/0x406 Oct 23 00:47:39 g5n kernel: [ 170.505702] [] ? __slab_free+0x44/0x2b8 Oct 23 00:47:39 g5n kernel: [ 170.505712] [] do_page_fault+0x20/0x30 Oct 23 00:47:39 g5n kernel: [ 170.505721] [] page_fault+0x22/0x30 Oct 23 00:47:39 g5n kernel: [ 170.505731] [] ? kvm_irqfd_release+0x27/0x85 Oct 23 00:47:39 g5n kernel: [ 170.505740] [] ? kvm_irqfd_release+0x23/0x85 Oct 23 00:47:39 g5n kernel: [ 170.505748] [] kvm_vm_release+0x17/0x32 Oct 23 00:47:39 g5n kernel: [ 170.505755] [] __fput+0x121/0x1d5 Oct 23 00:47:39 g5n kernel: [ 170.505763] [] ____fput+0x11/0x22 Oct 23 00:47:39 g5n kernel: [ 170.505771] [] task_work_run+0x8c/0xb3 Oct 23 00:47:39 g5n kernel: [ 170.505780] [] do_exit+0x40f/0x999 Oct 23 00:47:39 g5n kernel: [ 170.505788] [] ? wake_up_state+0x1d/0x2d Oct 23 00:47:39 g5n kernel: [ 170.505798] [] ? signal_wake_up_state+0x2c/0x4b Oct 23 00:47:39 g5n kernel: [ 170.505806] [] do_group_exit+0x48/0xb8 Oct 23 00:47:39 g5n kernel: [ 170.505813] [] sys_exit_group+0x12/0x1a Oct 23 00:47:39 g5n kernel: [ 170.505822] [] entry_SYSCALL_64_fastpath+0x13/0xa3