==================================================================
BUG: KASAN: use-after-free in deliver_ptype_list_skb net/core/dev.c:1871 [inline]
BUG: KASAN: use-after-free in __netif_receive_skb_core+0x2be3/0x33d0 net/core/dev.c:4401
Read of size 2 at addr ffff88003aa16d80 by task swapper/0/0
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.13.0-next-20170908+ #18
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
print_address_description+0x73/0x250 mm/kasan/report.c:252
kasan_report_error mm/kasan/report.c:351 [inline]
kasan_report+0x24e/0x340 mm/kasan/report.c:409
__asan_report_load2_noabort+0x14/0x20 mm/kasan/report.c:428
deliver_ptype_list_skb net/core/dev.c:1871 [inline]
__netif_receive_skb_core+0x2be3/0x33d0 net/core/dev.c:4401
__netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4456
netif_receive_skb_internal+0x10b/0x5e0 net/core/dev.c:4527
napi_skb_finish net/core/dev.c:4888 [inline]
napi_gro_receive+0x3d0/0x500 net/core/dev.c:4919
e1000_receive_skb drivers/net/ethernet/intel/e1000/e1000_main.c:4018 [inline]
e1000_clean_rx_irq+0x58d/0x1330 drivers/net/ethernet/intel/e1000/e1000_main.c:4474
e1000_clean+0xb39/0x2610 drivers/net/ethernet/intel/e1000/e1000_main.c:3819
napi_poll net/core/dev.c:5530 [inline]
net_rx_action+0x792/0x1910 net/core/dev.c:5596
__do_softirq+0x2bb/0xbd0 kernel/softirq.c:284
invoke_softirq kernel/softirq.c:364 [inline]
irq_exit+0x1d3/0x210 kernel/softirq.c:405
exiting_irq arch/x86/include/asm/apic.h:638 [inline]
do_IRQ+0xf6/0x190 arch/x86/kernel/irq.c:253
common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:577
</IRQ>
RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:53
RSP: 0018:ffffffff85a07d10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffc5
RAX: dffffc0000000000 RBX: 1ffffffff0b40fa5 RCX: 0000000000000000
RDX: 1ffffffff0b59308 RSI: 0000000000000001 RDI: ffffffff85ac9840
RBP: ffffffff85a07d10 R08: ffffffff8161b599 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac9830
R13: ffffffff85a07dc8 R14: 0000000000000000 R15: ffffffff85a2f380
arch_safe_halt arch/x86/include/asm/paravirt.h:98 [inline]
default_idle+0xbf/0x460 arch/x86/kernel/process.c:341
arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:332
default_idle_call+0x36/0x90 kernel/sched/idle.c:98
cpuidle_idle_call kernel/sched/idle.c:156 [inline]
do_idle+0x256/0x3b0 kernel/sched/idle.c:246
cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:351
rest_init+0xed/0xf0 init/main.c:435
start_kernel+0x72e/0x754 init/main.c:710
x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:377
x86_64_start_kernel+0x87/0x8a arch/x86/kernel/head64.c:358
secondary_startup_64+0xa5/0xa5 arch/x86/kernel/head_64.S:235
Allocated by task 4322:
save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59
save_stack+0x43/0xd0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:551
kmem_cache_alloc_trace+0x136/0x750 mm/slab.c:3627
kmalloc include/linux/slab.h:493 [inline]
kzalloc include/linux/slab.h:666 [inline]
fanout_add+0xa50/0x1190 net/packet/af_packet.c:1733
packet_setsockopt+0xfdc/0x1e80 net/packet/af_packet.c:3795
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
Freed by task 4247:
save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59
save_stack+0x43/0xd0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_slab_free+0x71/0xc0 mm/kasan/kasan.c:524
__cache_free mm/slab.c:3503 [inline]
kfree+0xca/0x250 mm/slab.c:3820
packet_release+0xa8f/0xd70 net/packet/af_packet.c:3033
sock_release+0x8d/0x1e0 net/socket.c:597
sock_close+0x16/0x20 net/socket.c:1126
__fput+0x333/0x7f0 fs/file_table.c:210
____fput+0x15/0x20 fs/file_table.c:244
task_work_run+0x199/0x270 kernel/task_work.c:112
exit_task_work include/linux/task_work.h:21 [inline]
do_exit+0xa52/0x1b40 kernel/exit.c:865
do_group_exit+0x149/0x400 kernel/exit.c:968
SYSC_exit_group kernel/exit.c:979 [inline]
SyS_exit_group+0x1d/0x20 kernel/exit.c:977
entry_SYSCALL_64_fastpath+0x1f/0xbe
The buggy address belongs to the object at ffff88003aa16500
which belongs to the cache kmalloc-4096 of size 4096
The buggy address is located 2176 bytes inside of
4096-byte region [ffff88003aa16500, ffff88003aa17500)
The buggy address belongs to the page:
page:ffffea0000ea8580 count:1 mapcount:0 mapping:ffff88003aa16500 index:0x0 compound_mapcount: 0
flags: 0x100000000008100(slab|head)
raw: 0100000000008100 ffff88003aa16500 0000000000000000 0000000100000001
raw: ffffea0000f8b6a0 ffffea0000f4ce20 ffff88003e800dc0 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88003aa16c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88003aa16d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88003aa16d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88003aa16e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88003aa16e80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================