0 pages HighMem/MovableOnly 339049 pages reserved 0 pages cma reserved ODEBUG: assert_init not available (active state 0) object type: timer_list hint: (null) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8001 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8001 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 syz-executor.3: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x30 kernel/panic.c:547 page allocation failure: order:4 report_bug+0x20a/0x248 lib/bug.c:186 , mode:0x142c0c2(GFP_HIGHUSER|__GFP_COMP|__GFP_ZERO), nodemask= fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 (null) syz-executor.3 cpuset= syz3 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 mems_allowed=0-1 RIP: 0010:debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287 RSP: 0018:ffff88806bb4f260 EFLAGS: 00010082 RAX: 0000000000000061 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff86ac0860 RDI: ffffed100d769e42 RBP: ffffffff86abbae0 R08: 0000000000000061 R09: 0000000000000001 R10: ffff8880a13f08e8 R11: ffff8880a13f0040 R12: 0000000000000000 R13: 0000000000000000 R14: 1ffff1100d769e56 R15: ffff88809f1420b0 debug_object_assert_init lib/debugobjects.c:656 [inline] debug_object_assert_init+0x22f/0x300 lib/debugobjects.c:627 debug_timer_assert_init kernel/time/timer.c:707 [inline] debug_assert_init kernel/time/timer.c:755 [inline] del_timer+0x5d/0xe0 kernel/time/timer.c:1150 try_to_grab_pending+0x261/0x610 kernel/workqueue.c:1225 __cancel_work_timer+0x92/0x460 kernel/workqueue.c:2921 batadv_nc_mesh_free+0x41/0x116 net/batman-adv/network-coding.c:1887 batadv_mesh_free+0x70/0x150 net/batman-adv/main.c:231 batadv_mesh_init+0x561/0x630 net/batman-adv/main.c:216 batadv_softif_init_late+0xa21/0xc90 net/batman-adv/soft-interface.c:856 register_netdevice+0x286/0xc70 net/core/dev.c:7590 rtnl_newlink+0x1469/0x1720 net/core/rtnetlink.c:2741 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4315 netlink_rcv_skb+0x127/0x370 net/netlink/af_netlink.c:2432 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x437/0x620 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x733/0xbe0 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xc5/0x100 net/socket.c:656 SYSC_sendto+0x1c4/0x2b0 net/socket.c:1763 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4161a3 RSP: 002b:00007ffec0da2b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000c82200 RCX: 00000000004161a3 RDX: 000000000000003c RSI: 0000000000c82250 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffec0da2b70 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000c82250 R15: 0000000000000003 CPU: 1 PID: 8006 Comm: syz-executor.3 Not tainted 4.14.172-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x2114/0x26c0 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x5d3/0x700 mm/page_alloc.c:4198 alloc_pages_current+0xe7/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] ion_page_pool_alloc_pages drivers/staging/android/ion/ion_page_pool.c:30 [inline] ion_page_pool_alloc+0x118/0x1b0 drivers/staging/android/ion/ion_page_pool.c:89 alloc_buffer_page drivers/staging/android/ion/ion_system_heap.c:75 [inline] alloc_largest_available drivers/staging/android/ion/ion_system_heap.c:115 [inline] ion_system_heap_allocate+0x134/0x8d0 drivers/staging/android/ion/ion_system_heap.c:146 ion_buffer_create drivers/staging/android/ion/ion.c:101 [inline] ion_alloc+0x611/0x7d0 drivers/staging/android/ion/ion.c:425 ion_ioctl+0xef/0x1f8 drivers/staging/android/ion/ion-ioctl.c:87 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c4a9 RSP: 002b:00007ffe09687e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000001119914 RCX: 000000000045c4a9 RDX: 0000000020000080 RSI: 00000000c0184900 RDI: 0000000000000004 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000365 R14: 00000000004c59ae R15: 000000000076bf2c Kernel Offset: disabled Rebooting in 86400 seconds..