Hi, CRIU tests triggered a kernel bug: [ 80.470890] kernel BUG at mm/vmalloc.c:463! [ 80.471007] invalid opcode: 0000 [#1] SMP [ 80.471007] Modules linked in: [ 80.471007] CPU: 0 PID: 14795 Comm: criu Not tainted 4.9.0-rc8-next-20161209 #114 [ 80.471007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.1-1.fc24 04/01/2014 [ 80.471007] task: ffff8bc26c34a680 task.stack: ffff9c6a43d58000 [ 80.471007] RIP: 0010:alloc_vmap_area+0x366/0x390 [ 80.471007] RSP: 0018:ffff9c6a43d5bc58 EFLAGS: 00010206 [ 80.471007] RAX: ffff8bc272ce8000 RBX: ffff8bc267b11420 RCX: 0000000000000000 [ 80.471007] RDX: ffffffff8b222bb3 RSI: 0000000000000000 RDI: ffffffff8bc7e7e0 [ 80.471007] RBP: ffff9c6a43d5bcb0 R08: ffffffff8bc7e7d0 R09: 0000000000000000 [ 80.471007] R10: 0000000000000001 R11: 0000000000000000 R12: ffff9c6a40000000 [ 80.471007] R13: ffff9c6a40000000 R14: ffffffffffffc000 R15: 0000000000003fff [ 80.471007] FS: 00007fac30a4f800(0000) GS:ffff8bc27fc00000(0000) knlGS:0000000000000000 [ 80.471007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.471007] CR2: 00000000006fc618 CR3: 000000012ffd9000 CR4: 00000000003406f0 [ 80.471007] DR0: 0000000000010130 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.471007] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 [ 80.471007] Call Trace: [ 80.471007] __get_vm_area_node+0xb7/0x170 [ 80.471007] __vmalloc_node_range+0x73/0x290 [ 80.471007] ? _do_fork+0xf3/0x6f0 [ 80.471007] ? copy_process.part.31+0x12a/0x20c0 [ 80.471007] copy_process.part.31+0x793/0x20c0 [ 80.471007] ? _do_fork+0xf3/0x6f0 [ 80.471007] _do_fork+0xf3/0x6f0 [ 80.471007] ? __might_fault+0x8c/0xa0 [ 80.471007] ? __might_fault+0x43/0xa0 [ 80.471007] ? trace_hardirqs_on_caller+0xf5/0x1b0 [ 80.471007] SyS_clone+0x19/0x20 [ 80.471007] do_syscall_64+0x6c/0x1f0 [ 80.471007] entry_SYSCALL64_slow_path+0x25/0x25 [ 80.471007] RIP: 0033:0x7fac2f6b6941 [ 80.471007] RSP: 002b:00007ffdb42f3c30 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 80.471007] RAX: ffffffffffffffda RBX: 00007ffdb42f3c30 RCX: 00007fac2f6b6941 [ 80.471007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 80.471007] RBP: 00007ffdb42f3c80 R08: 00007fac30a4f800 R09: 000000000000001c [ 80.471007] R10: 00007fac30a4fad0 R11: 0000000000000246 R12: 0000000000000000 [ 80.471007] R13: 0000000000000020 R14: 0000000000000000 R15: 0000000000000000 [ 80.471007] Code: 18 97 01 e8 1d 72 5a 00 48 8b 03 4c 85 f8 75 19 49 39 c5 77 16 48 8b 45 a8 48 8b 5d b0 48 3b 58 08 0f 83 5e ff ff ff 0f 0b 0f 0b <0f> 0b e8 23 c7 e6 ff 48 89 3d 24 18 97 01 e9 cd fe ff ff 4c 89 [ 80.471007] RIP: alloc_vmap_area+0x366/0x390 RSP: ffff9c6a43d5bc58 [ 80.506584] ---[ end trace 14dbfb61a09961b9 ]--- Steps to reproduce: $ apt-get install gcc make protobuf-c-compiler libprotobuf-c0-dev libaio-dev \ libprotobuf-dev protobuf-compiler python-ipaddr libcap-dev \ libnl-3-dev gdb bash python-protobuf $ git clone https://github.com/xemul/criu.git $ cd criu $ make $ python test/zdtm.py run -a -p 4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>