id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host
16236,Bug in the vboxdrv module (rtR0MemAllocEx) on Linux 4.8.8+ (grsecurity),vboxuser123,,"Hi, I'm a Gentoo user, I've a custom kernel. Both with 4.8.8 and 4.8.10 I get the following error when I try to start a virtual machine. I'm using VirtualBox 5.1.10.

Here's the VirtualBox error message:

{{{
Failed to open a session for the virtual machine '...'.

The virtual machine '...' has terminated unexpectedly during startup because of signal 11.

Result Code: NS_ERROR_FAILURE (0x80004005)
Component: MachineWrap
Interface: IMachine {b2547866-a0a1-4391-8b86-6952d82efaa0}
}}}

From dmesg:

{{{
[  367.948576] ------------[ cut here ]------------
[  367.948664] kernel BUG at ./arch/x86/include/asm/irqflags.h:26!
[  367.948752] invalid opcode: 0000 [#1] SMP
[  367.948794] Modules linked in:  vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O)
[  367.949080] CPU: 4 PID: 4724 Comm: VirtualBox Tainted: G           O    4.8.10 #1
[  367.949156] Hardware name: 
[  367.949225] task: ffff880818dc6400 task.stack: ffff880818ed4000
[  367.949292] RIP: 0010:[<ffffffff820409e5>]  [<ffffffff820409e5>] _raw_spin_lock_irqsave+0x25/0x30
[  367.949382] RSP: 0018:ffff880818ed7a90  EFLAGS: 00050206
[  367.949431] RAX: ffff8808823fba00 RBX: 0000000000040246 RCX: ffff8808823fbb50
[  367.949494] RDX: ffff8808823fba90 RSI: 0000000000000002 RDI: ffff8808823fbde0
[  367.949557] RBP: ffff880818ed7a98 R08: ffffea001f3c6220 R09: 0000000000706231
[  367.949635] R10: 0000000000000000 R11: 0000000000000002 R12: ffff8808823fc400
[  367.949698] R13: ffff880818ed7c38 R14: ffff8808823fba00 R15: 0000000000003360
[  367.949762] FS:  00007f9e1b0bb700(0000) GS:ffff880882100000(0000) knlGS:0000000000000000
[  367.949834] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  367.949885] CR2: 00005576006e5000 CR3: 00000008059b9000 CR4: 00000000003606f0
[  367.949963] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  367.950026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  367.950088] Stack:
[  367.950110]  0000000000000002 ffff880818ed7b70 ffffffff812475b4 ffffea001fb99380
[  367.950192]  00000001024280ca ffffea002138a780 ffff880818ed7b80 ffffffff8129e1bf
[  367.950286]  fffffffffffffffc 024080c0024280ca 0000001100400190 0000000000000100
[  367.950373] Call Trace:
[  367.950405]  [<ffffffff812475b4>] get_page_from_freelist+0x4d4/0xaa0
[  367.950465]  [<ffffffff8129e1bf>] ? get_partial_node.isra.71+0xdf/0x210
[  367.950541]  [<ffffffff8124807e>] __alloc_pages_nodemask+0x15e/0xe20
[  367.950601]  [<ffffffff812beee4>] ? lookup_fast+0xe4/0x2f0
[  367.950652]  [<ffffffff812473bc>] ? get_page_from_freelist+0x2dc/0xaa0
[  367.950714]  [<ffffffff81293738>] alloc_pages_current+0x98/0x140
[  367.950781]  [<ffffffff81266f79>] kmalloc_order_trace+0x29/0xe0
[  367.950841]  [<ffffffff8129ff23>] __kmalloc+0x1d3/0x220
[  367.950908]  [<ffffffffa002bfc0>] ? rtR0MemAllocEx+0x170/0x240 [vboxdrv]
[  367.950984]  [<ffffffffa002bfc0>] rtR0MemAllocEx+0x170/0x240 [vboxdrv]
[  367.951057]  [<ffffffffa0029d32>] VBoxHost_RTMemAllocTag+0x22/0x50 [vboxdrv]
[  367.951144]  [<ffffffffa0019549>] SUPR0Printf+0x1c9/0x310 [vboxdrv]
[  367.951205]  [<ffffffff812c8c81>] do_vfs_ioctl+0xa1/0x950
[  367.951257]  [<ffffffff812c95a4>] sys_ioctl+0x74/0x80
[  367.951308]  [<ffffffff82040d1f>] entry_SYSCALL_64_fastpath+0x13/0x93
[  367.951375] Code: 84 00 00 00 00 00 55 48 89 e5 53 9c 5b f7 c3 00 00 04 00 75 16 fa 31 c0 ba 01 00 00 00 f0 0f b1 17 85 c0 75 08 48 89 d8 5b 5d c3 <0f> 0b 89 c6 e8 d2 cf 15 ff eb ef 55 48 89 e5 48 83 ec 10 65 48 
[  367.951822] RIP  [<ffffffff820409e5>] _raw_spin_lock_irqsave+0x25/0x30
[  367.951889]  RSP <ffff880818ed7a90>
[  367.976384] ---[ end trace 0f2758158db10a18 ]---

}}}
",defect,new,other,VirtualBox 5.1.10,,,,other,Linux