Also fails on KVM AMD64:
[ 1817.380767] seccomp_tests[29708]: system call 3 (sys_close) blocked at 0x7fb2553bf419 [ 1817.381986] seccomp_tests[29712]: system call 60 (sys_exit) blocked at 0x7fb2553bf419 [ 1817.382307] general protection fault: 0000 [#1] SMP [ 1817.382616] CPU 0 [ 1817.382806] Modules linked in: iptable_filter ip_tables x_tables psmouse serio_raw virtio_balloon i2c_piix4 mac_hid lp parport floppy [last unloaded: signpost] [ 1817.383513] [ 1817.383690] Pid: 29713, comm: seccomp_tests Tainted: G O 3.2.0-10-generic #18-Ubuntu Bochs Bochs [ 1817.384049] RIP: 0010:[<ffffffff811007e8>] [<ffffffff811007e8>] trace_get_fields+0x8/0x20 [ 1817.384049] RSP: 0018:ffff88001d09b9b8 EFLAGS: 00010246 [ 1817.384049] RAX: 2e666666c35dffe4 RBX: ffff88001eca0200 RCX: 0000000000000000 [ 1817.384049] RDX: 0000000000000063 RSI: ffff88001ac7a370 RDI: ffffffff8131bad0 [ 1817.384049] RBP: ffff88001d09b9b8 R08: ffff88001a977460 R09: ffff88001eca0400 [ 1817.384049] R10: 00000000ffffffff R11: ffffffff81c35040 R12: ffffffff8131bad0 [ 1817.384049] R13: ffff88001ac7a370 R14: ffff88001a977460 R15: ffffffff81c343e0 [ 1817.384049] FS: 00007fb255896720(0000) GS:ffff88001fc00000(0000) knlGS:0000000000000000 [ 1817.384049] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1817.384049] CR2: 0000000000403d16 CR3: 000000001a965000 CR4: 00000000000006f0 [ 1817.384049] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1817.384049] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 1817.384049] Process seccomp_tests (pid: 29713, threadinfo ffff88001d09a000, task ffff88001d984530) [ 1817.384049] Stack: [ 1817.384049] ffff88001d09b9f8 ffffffff811049d0 ffff88001eca0200 ffff88001eca0218 [ 1817.384049] ffff88001eca0200 ffff88000275bda0 ffff88000275bb60 0000000000000000 [ 1817.384049] ffff88001d09ba78 ffffffff81104b1d ffff88001eca0200 ffff88001eca0208 [ 1817.384049] Call Trace: [ 1817.384049] [<ffffffff811049d0>] create_pred+0x140/0x190 [ 1817.384049] [<ffffffff81104b1d>] replace_preds.isra.21+0xfd/0x3e0 [ 1817.384049] [<ffffffff8131bad0>] ? btree_free+0x20/0x20 [ 1817.384049] [<ffffffff8131bad0>] ? btree_free+0x20/0x20 [ 1817.384049] [<ffffffff81105830>] ftrace_profile_set_filter+0x120/0x140 [ 1817.384049] [<ffffffff810dd549>] create_event_filter+0x49/0xc0 [ 1817.384049] [<ffffffff8111977e>] ? filemap_fault+0xee/0x3e0 [ 1817.384049] [<ffffffff81116eaa>] ? unlock_page+0x2a/0x40 [ 1817.384049] [<ffffffff8113a0b9>] ? __do_fault+0x439/0x550 [ 1817.384049] [<ffffffff8113d32a>] ? handle_pte_fault+0xfa/0x200 [ 1817.384049] [<ffffffff8130cb6e>] ? radix_tree_lookup_slot+0xe/0x10 [ 1817.384049] [<ffffffff81117bae>] ? find_get_page+0x1e/0x90 [ 1817.384049] [<ffffffff8113d7e8>] ? handle_mm_fault+0x1f8/0x350 [ 1817.384049] [<ffffffff816596a0>] ? do_page_fault+0x210/0x520 [ 1817.384049] [<ffffffff81162596>] ? __kmalloc_node+0x36/0x1e0 [ 1817.384049] [<ffffffff81162a1f>] ? kmem_cache_alloc_node_trace+0x14f/0x170 [ 1817.384049] [<ffffffff81119e87>] ? mempool_create_node+0x47/0x130 [ 1817.384049] [<ffffffff8131bad0>] ? btree_free+0x20/0x20 [ 1817.384049] [<ffffffff810dd628>] alloc_event_filter+0x68/0x80 [ 1817.384049] [<ffffffff810dd85b>] seccomp_add_filter+0x7b/0x100 [ 1817.384049] [<ffffffff8131ba91>] ? btree_init+0x31/0x50 [ 1817.384049] [<ffffffff810de455>] seccomp_set_filter+0x255/0x2a0 [ 1817.384049] [<ffffffff813158b7>] ? __strncpy_from_user+0x27/0x60 [ 1817.384049] [<ffffffff810de88c>] prctl_set_seccomp_filter+0xcc/0x100 [ 1817.384049] [<ffffffff810802a0>] sys_prctl+0x240/0x370 [ 1817.384049] [<ffffffff816590e5>] ? do_async_page_fault+0x35/0x80 [ 1817.384049] [<ffffffff8165e002>] system_call_fastpath+0x16/0x1b [ 1817.384049] Code: e7 be 5c 00 00 00 48 c7 c7 38 e9 a0 81 e8 d1 5a f6 ff 31 c0 c9 c3 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 48 8b 47 10 55 48 89 e5 <48> 8b 50 28 48 83 c0 30 48 85 d2 74 02 ff d2 5d c3 0f 1f 80 00 [ 1817.384049] RIP [<ffffffff811007e8>] trace_get_fields+0x8/0x20 [ 1817.384049] RSP <ffff88001d09b9b8> [ 1817.407839] ---[ end trace e17a23747a08ffb1 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/921816 Title: BUG: unable to handle kernel NULL pointer dereference at 00000030 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/921816/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
