==================================================================
BUG: KASAN: slab-out-of-bounds in ip6_tnl_xmit2+0x229d/0x2350 net/ipv6/ip6_tunnel.c:987
Read of size 16 at addr ffff8800b4e0ddb0 by task syz-executor296/2493

CPU: 1 PID: 2493 Comm: syz-executor296 Not tainted 4.4.159+ #106
 0000000000000000 548cb03a94ee5a49 ffff8801d1c36ca0 ffffffff81a9949d
 ffffea0002d38300 ffff8800b4e0ddb0 0000000000000000 ffff8800b4e0ddb8
 ffff8800b73a4400 ffff8801d1c36cd8 ffffffff8148a809 ffff8800b4e0ddb0
Call Trace:
 [<ffffffff81a9949d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81a9949d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff8148a809>] print_address_description+0x6c/0x217 mm/kasan/report.c:252
 [<ffffffff8148ab29>] kasan_report_error mm/kasan/report.c:351 [inline]
 [<ffffffff8148ab29>] kasan_report.cold.6+0x175/0x2f7 mm/kasan/report.c:408
 [<ffffffff8147f87f>] __asan_report_load_n_noabort+0xf/0x20 mm/kasan/report.c:439
 [<ffffffff826a195d>] ip6_tnl_xmit2+0x229d/0x2350 net/ipv6/ip6_tunnel.c:987
 [<ffffffff826a332a>] ip4ip6_tnl_xmit net/ipv6/ip6_tunnel.c:1129 [inline]
 [<ffffffff826a332a>] ip6_tnl_xmit+0x91a/0xc70 net/ipv6/ip6_tunnel.c:1203
 [<ffffffff8223035d>] __netdev_start_xmit include/linux/netdevice.h:3743 [inline]
 [<ffffffff8223035d>] netdev_start_xmit include/linux/netdevice.h:3752 [inline]
 [<ffffffff8223035d>] xmit_one net/core/dev.c:2759 [inline]
 [<ffffffff8223035d>] dev_hard_start_xmit+0x7bd/0x11c0 net/core/dev.c:2775
 [<ffffffff82232715>] __dev_queue_xmit+0x16f5/0x1c30 net/core/dev.c:3207
 [<ffffffff82232c67>] dev_queue_xmit+0x17/0x20 net/core/dev.c:3241
 [<ffffffff822479e5>] neigh_direct_output+0x15/0x20 net/core/neighbour.c:1369
 [<ffffffff823b3150>] dst_neigh_output include/net/dst.h:461 [inline]
 [<ffffffff823b3150>] ip_finish_output2+0x8f0/0x1100 net/ipv4/ip_output.c:213
 [<ffffffff823b9fe2>] ip_finish_output+0x882/0xc00 net/ipv4/ip_output.c:288
 [<ffffffff823bdbd9>] NF_HOOK_COND include/linux/netfilter.h:240 [inline]
 [<ffffffff823bdbd9>] ip_output+0x219/0x4c0 net/ipv4/ip_output.c:362
 [<ffffffff823baafb>] dst_output include/net/dst.h:498 [inline]
 [<ffffffff823baafb>] ip_local_out+0x9b/0x180 net/ipv4/ip_output.c:119
 [<ffffffff823c081c>] ip_send_skb+0x3c/0xc0 net/ipv4/ip_output.c:1453
 [<ffffffff82466283>] udp_send_skb+0x503/0xc70 net/ipv4/udp.c:842
 [<ffffffff8246d109>] udp_sendmsg+0x16c9/0x1c70 net/ipv4/udp.c:1072
 [<ffffffff82600e2d>] udpv6_sendmsg+0x12cd/0x24c0 net/ipv6/udp.c:1173
 [<ffffffff824963a3>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff821c2e9b>] sock_sendmsg_nosec net/socket.c:638 [inline]
 [<ffffffff821c2e9b>] sock_sendmsg+0xbb/0x110 net/socket.c:648
 [<ffffffff821c4ce5>] ___sys_sendmsg+0x745/0x880 net/socket.c:1975
 [<ffffffff821c7d36>] __sys_sendmsg+0xd6/0x190 net/socket.c:2009
 [<ffffffff821c7e1d>] SYSC_sendmsg net/socket.c:2020 [inline]
 [<ffffffff821c7e1d>] SyS_sendmsg+0x2d/0x50 net/socket.c:2016
 [<ffffffff82705ca1>] entry_SYSCALL_64_fastpath+0x1e/0x9a

Allocated by task 2493:
 [<ffffffff8102e6b6>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff8147e7e2>] save_stack mm/kasan/kasan.c:512 [inline]
 [<ffffffff8147e7e2>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff8147e7e2>] kasan_kmalloc.part.1+0x62/0xf0 mm/kasan/kasan.c:616
 [<ffffffff8147ea5f>] kasan_kmalloc+0xaf/0xc0 mm/kasan/kasan.c:601
 [<ffffffff8147adad>] __kmalloc+0x13d/0x330 mm/slub.c:3613
 [<ffffffff8224fc06>] kmalloc include/linux/slab.h:481 [inline]
 [<ffffffff8224fc06>] kzalloc include/linux/slab.h:620 [inline]
 [<ffffffff8224fc06>] neigh_alloc net/core/neighbour.c:285 [inline]
 [<ffffffff8224fc06>] __neigh_create+0x1d6/0x1b20 net/core/neighbour.c:457
 [<ffffffff8238d38e>] neigh_create include/net/neighbour.h:313 [inline]
 [<ffffffff8238d38e>] ipv4_neigh_lookup+0x4de/0x700 net/ipv4/route.c:464
 [<ffffffff8269f94a>] dst_neigh_lookup include/net/dst.h:466 [inline]
 [<ffffffff8269f94a>] ip6_tnl_xmit2+0x28a/0x2350 net/ipv6/ip6_tunnel.c:982
 [<ffffffff826a332a>] ip4ip6_tnl_xmit net/ipv6/ip6_tunnel.c:1129 [inline]
 [<ffffffff826a332a>] ip6_tnl_xmit+0x91a/0xc70 net/ipv6/ip6_tunnel.c:1203
 [<ffffffff8223035d>] __netdev_start_xmit include/linux/netdevice.h:3743 [inline]
 [<ffffffff8223035d>] netdev_start_xmit include/linux/netdevice.h:3752 [inline]
 [<ffffffff8223035d>] xmit_one net/core/dev.c:2759 [inline]
 [<ffffffff8223035d>] dev_hard_start_xmit+0x7bd/0x11c0 net/core/dev.c:2775
 [<ffffffff82232715>] __dev_queue_xmit+0x16f5/0x1c30 net/core/dev.c:3207
 [<ffffffff82232c67>] dev_queue_xmit+0x17/0x20 net/core/dev.c:3241
 [<ffffffff822479e5>] neigh_direct_output+0x15/0x20 net/core/neighbour.c:1369
 [<ffffffff823b3150>] dst_neigh_output include/net/dst.h:461 [inline]
 [<ffffffff823b3150>] ip_finish_output2+0x8f0/0x1100 net/ipv4/ip_output.c:213
 [<ffffffff823b9fe2>] ip_finish_output+0x882/0xc00 net/ipv4/ip_output.c:288
 [<ffffffff823bdbd9>] NF_HOOK_COND include/linux/netfilter.h:240 [inline]
 [<ffffffff823bdbd9>] ip_output+0x219/0x4c0 net/ipv4/ip_output.c:362
 [<ffffffff823baafb>] dst_output include/net/dst.h:498 [inline]
 [<ffffffff823baafb>] ip_local_out+0x9b/0x180 net/ipv4/ip_output.c:119
 [<ffffffff823c081c>] ip_send_skb+0x3c/0xc0 net/ipv4/ip_output.c:1453
 [<ffffffff82466283>] udp_send_skb+0x503/0xc70 net/ipv4/udp.c:842
 [<ffffffff8246d109>] udp_sendmsg+0x16c9/0x1c70 net/ipv4/udp.c:1072
 [<ffffffff82600e2d>] udpv6_sendmsg+0x12cd/0x24c0 net/ipv6/udp.c:1173
 [<ffffffff824963a3>] inet_sendmsg+0x203/0x4d0 net/ipv4/af_inet.c:755
 [<ffffffff821c2e9b>] sock_sendmsg_nosec net/socket.c:638 [inline]
 [<ffffffff821c2e9b>] sock_sendmsg+0xbb/0x110 net/socket.c:648
 [<ffffffff821c4ce5>] ___sys_sendmsg+0x745/0x880 net/socket.c:1975
 [<ffffffff821c7d36>] __sys_sendmsg+0xd6/0x190 net/socket.c:2009
 [<ffffffff821c7e1d>] SYSC_sendmsg net/socket.c:2020 [inline]
 [<ffffffff821c7e1d>] SyS_sendmsg+0x2d/0x50 net/socket.c:2016
 [<ffffffff82705ca1>] entry_SYSCALL_64_fastpath+0x1e/0x9a

Freed by task 783:
 [<ffffffff8102e6b6>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff8147f0dc>] save_stack mm/kasan/kasan.c:512 [inline]
 [<ffffffff8147f0dc>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff8147f0dc>] kasan_slab_free+0xac/0x190 mm/kasan/kasan.c:589
 [<ffffffff8147c4b4>] slab_free_hook mm/slub.c:1383 [inline]
 [<ffffffff8147c4b4>] slab_free_freelist_hook mm/slub.c:1405 [inline]
 [<ffffffff8147c4b4>] slab_free mm/slub.c:2859 [inline]
 [<ffffffff8147c4b4>] kfree+0xf4/0x310 mm/slub.c:3749
 [<ffffffff814ac670>] free_pipe_info+0x210/0x2c0 fs/pipe.c:657
 [<ffffffff814ac7d8>] put_pipe_info+0xb8/0xe0 fs/pipe.c:548
 [<ffffffff814ac9af>] pipe_release+0x1af/0x250 fs/pipe.c:569
 [<ffffffff81496d65>] __fput+0x235/0x6f0 fs/file_table.c:208
 [<ffffffff814972a5>] ____fput+0x15/0x20 fs/file_table.c:244
 [<ffffffff8112f19f>] task_work_run+0x10f/0x190 kernel/task_work.c:115
 [<ffffffff810d9465>] exit_task_work include/linux/task_work.h:21 [inline]
 [<ffffffff810d9465>] do_exit+0x9c5/0x28d0 kernel/exit.c:755
 [<ffffffff810df5d1>] do_group_exit+0x111/0x300 kernel/exit.c:885
 [<ffffffff810df7dd>] SYSC_exit_group kernel/exit.c:896 [inline]
 [<ffffffff810df7dd>] SyS_exit_group+0x1d/0x20 kernel/exit.c:894
 [<ffffffff82705ca1>] entry_SYSCALL_64_fastpath+0x1e/0x9a

The buggy address belongs to the object at ffff8800b4e0db00
 which belongs to the cache kmalloc-1024 of size 1024
The buggy address is located 688 bytes inside of
 1024-byte region [ffff8800b4e0db00, ffff8800b4e0df00)
The buggy address belongs to the page:
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 1 Comm: init Not tainted 4.4.159+ #106
task: ffff8801da5f0000 task.stack: ffff8801da5f8000
RIP: 0010:[<ffffffff81b3499f>]  [<ffffffff81b3499f>] find_stack lib/stackdepot.c:174 [inline]
RIP: 0010:[<ffffffff81b3499f>]  [<ffffffff81b3499f>] depot_save_stack+0x15f/0x5eb lib/stackdepot.c:225
RSP: 0018:ffff8801da5ffa28  EFLAGS: 00010293
RAX: ffff8801da5f0000 RBX: 0000000089b034d0 RCX: 0000000050b4b35b
RDX: 0000000000000000 RSI: ffffffff81b3499f RDI: ffff8801da5ffa90
RBP: ffff8801da5ffa80 R08: ffff8801da5ffa90 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 4f5f4755425f4d56
R13: 0000000000000003 R14: 0000000000000048 R15: 00000000000034d0
FS:  00007feebda8e7a0(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feebd418834 CR3: 00000001d7753000 CR4: 00000000001606b0
Stack:
 024080c0da5f08c0 ffff8801da5ffaa8 ffff8801da5ffa90 ffff880100000009
 0000000000000000 d067a1184c7f6081 ffff8800b2569740 00000000024080c0
 0000000000000000 ffff8800b2569640 ffff8800b256973f ffff8801da5ffcb8
Call Trace:
 [<ffffffff8147e849>] save_stack mm/kasan/kasan.c:518 [inline]
 [<ffffffff8147e849>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff8147e849>] kasan_kmalloc.part.1+0xc9/0xf0 mm/kasan/kasan.c:616
 [<ffffffff8147ea5f>] kasan_kmalloc+0xaf/0xc0 mm/kasan/kasan.c:601
 [<ffffffff8147f022>] kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:554
 [<ffffffff8147a72c>] slab_post_alloc_hook mm/slub.c:1349 [inline]
 [<ffffffff8147a72c>] slab_alloc_node mm/slub.c:2615 [inline]
 [<ffffffff8147a72c>] slab_alloc mm/slub.c:2623 [inline]
 [<ffffffff8147a72c>] kmem_cache_alloc+0xdc/0x2c0 mm/slub.c:2628
 [<ffffffff81580b8d>] kmem_cache_zalloc include/linux/slab.h:610 [inline]
 [<ffffffff81580b8d>] locks_alloc_lock+0x1d/0x160 fs/locks.c:258
 [<ffffffff8158b773>] fcntl_setlk+0x93/0x9d0 fs/locks.c:2159
 [<ffffffff814c91dc>] do_fcntl fs/fcntl.c:287 [inline]
 [<ffffffff814c91dc>] SYSC_fcntl fs/fcntl.c:375 [inline]
 [<ffffffff814c91dc>] SyS_fcntl+0x71c/0xca0 fs/fcntl.c:360
 [<ffffffff82705ca1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Code: 00 00 e8 05 25 7d ff 48 63 45 c0 48 c1 e0 03 49 89 c6 eb 12 e8 f3 24 7d ff 4d 8b 24 24 4d 85 e4 0f 84 8d 00 00 00 e8 e1 24 7d ff <41> 3b 5c 24 08 75 e2 e8 d5 24 7d ff 8b 45 c0 41 3b 44 24 0c 75 
RIP  [<ffffffff81b3499f>] find_stack lib/stackdepot.c:174 [inline]
RIP  [<ffffffff81b3499f>] depot_save_stack+0x15f/0x5eb lib/stackdepot.c:225
 RSP <ffff8801da5ffa28>
BUG: unable to handle kernel paging request at fffffffd2a20f580
IP: [<ffffffff811f0c55>] cpuacct_charge+0x155/0x380 kernel/sched/cpuacct.c:247
PGD 2e0d067 PUD 0 
Oops: 0000 [#2] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 1 Comm: init Tainted: G      D         4.4.159+ #106
task: ffff8801da5f0000 task.stack: ffff8801da5f8000
RIP: 0010:[<ffffffff811f0c55>]  [<ffffffff811f0c55>] cpuacct_charge+0x155/0x380 kernel/sched/cpuacct.c:247
RSP: 0018:ffff8801db607968  EFLAGS: 00010046
RAX: 1ffffffff05d2a0b RBX: 00000000000181a8 RCX: ffffffff831a1d80
RDX: fffffbffa5441eb0 RSI: fffffffd2a20f580 RDI: ffffffff82e95058
RBP: ffff8801db6079a8 R08: 0000000000000000 R09: 0000000000000001
R10: ffff8801da5f0000 R11: 0000000000000000 R12: ffffffff82e94f80
R13: dffffc0000000000 R14: 000000007430814b R15: ffffffffb4e0db00
FS:  00007feebda8e7a0(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffd2a20f580 CR3: 00000001d7753000 CR4: 00000000001606b0
Stack:
 ffffffff811f0b60 0000000082e15aa9 ffffffff82e15ab0 ffff8800b4e147a0
 ffff8800b4e14740 000000007430814b ffff8800b4e147f0 0000000000000000
 ffff8801db6079f0 ffffffff8117c439 ffffffff82c47bf0 ffffffff811fb4b0
Call Trace:
 <IRQ> 
 [<ffffffff8117c439>] update_curr+0x2c9/0x6d0 kernel/sched/fair.c:882
 [<ffffffff8119c08a>] enqueue_entity kernel/sched/fair.c:3512 [inline]
 [<ffffffff8119c08a>] enqueue_task_fair+0x12a/0xab90 kernel/sched/fair.c:4695
 [<ffffffff81163a6d>] enqueue_task kernel/sched/core.c:858 [inline]
 [<ffffffff81163a6d>] activate_task+0x1dd/0x280 kernel/sched/core.c:874
 [<ffffffff81164c4f>] ttwu_activate kernel/sched/core.c:1736 [inline]
 [<ffffffff81164c4f>] ttwu_do_activate.constprop.29+0xbf/0x1e0 kernel/sched/core.c:1789
 [<ffffffff811680ed>] ttwu_queue kernel/sched/core.c:1934 [inline]
 [<ffffffff811680ed>] try_to_wake_up+0x6dd/0x1120 kernel/sched/core.c:2068
 [<ffffffff81168cb5>] default_wake_function+0x35/0x50 kernel/sched/core.c:3494
 [<ffffffff811e7371>] autoremove_wake_function+0x11/0x40 kernel/sched/wait.c:293
 [<ffffffff811e51c6>] __wake_up_common+0xb6/0x150 kernel/sched/wait.c:73
 [<ffffffff811e5294>] __wake_up+0x34/0x50 kernel/sched/wait.c:95
 [<ffffffff8121ed50>] wake_up_klogd_work_func+0x80/0x90 kernel/printk/printk.c:2736
 [<ffffffff8136afa7>] irq_work_run_list+0xd7/0x140 kernel/irq_work.c:156
 [<ffffffff8136b626>] irq_work_tick+0x116/0x170 kernel/irq_work.c:182
 [<ffffffff8125ae39>] update_process_times+0x69/0x70 kernel/time/timer.c:1430
 [<ffffffff81288dca>] tick_sched_handle.isra.6+0x4a/0xf0 kernel/time/tick-sched.c:151
 [<ffffffff81288ee6>] tick_sched_timer+0x76/0x130 kernel/time/tick-sched.c:1097
 [<ffffffff8125ce80>] __run_hrtimer kernel/time/hrtimer.c:1261 [inline]
 [<ffffffff8125ce80>] __hrtimer_run_queues+0x390/0xfc0 kernel/time/hrtimer.c:1325
 [<ffffffff8125fb01>] hrtimer_interrupt+0x1b1/0x430 kernel/time/hrtimer.c:1359
 [<ffffffff8108b6e4>] local_apic_timer_interrupt+0x74/0xa0 arch/x86/kernel/apic/apic.c:901
 [<ffffffff827082fc>] smp_apic_timer_interrupt+0x7c/0xa0 arch/x86/kernel/apic/apic.c:925
 [<ffffffff8270765d>] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:741
 <EOI> 
 [<ffffffff810c3120>] die.cold.1+0x21/0x2a arch/x86/kernel/dumpstack.c:316
 [<ffffffff8100f257>] do_general_protection+0x227/0x2b0 arch/x86/kernel/traps.c:463
 [<ffffffff82706e95>] general_protection+0x25/0x30 arch/x86/entry/entry_64.S:1036
 [<ffffffff8147e849>] save_stack mm/kasan/kasan.c:518 [inline]
 [<ffffffff8147e849>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff8147e849>] kasan_kmalloc.part.1+0xc9/0xf0 mm/kasan/kasan.c:616
 [<ffffffff8147ea5f>] kasan_kmalloc+0xaf/0xc0 mm/kasan/kasan.c:601
 [<ffffffff8147f022>] kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:554
 [<ffffffff8147a72c>] slab_post_alloc_hook mm/slub.c:1349 [inline]
 [<ffffffff8147a72c>] slab_alloc_node mm/slub.c:2615 [inline]
 [<ffffffff8147a72c>] slab_alloc mm/slub.c:2623 [inline]
 [<ffffffff8147a72c>] kmem_cache_alloc+0xdc/0x2c0 mm/slub.c:2628
 [<ffffffff81580b8d>] kmem_cache_zalloc include/linux/slab.h:610 [inline]
 [<ffffffff81580b8d>] locks_alloc_lock+0x1d/0x160 fs/locks.c:258
 [<ffffffff8158b773>] fcntl_setlk+0x93/0x9d0 fs/locks.c:2159
 [<ffffffff814c91dc>] do_fcntl fs/fcntl.c:287 [inline]
 [<ffffffff814c91dc>] SYSC_fcntl fs/fcntl.c:375 [inline]
 [<ffffffff814c91dc>] SyS_fcntl+0x71c/0xca0 fs/fcntl.c:360
 [<ffffffff82705ca1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
Code: 49 8d bc 24 d8 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 c4 01 00 00 49 8b 9c 24 d8 00 00 00 80 3a 00 0f 85 8f 01 00 00 <4a> 03 1c f9 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 be 01 00 
RIP  [<ffffffff811f0c55>] cpuacct_charge+0x155/0x380 kernel/sched/cpuacct.c:247
 RSP <ffff8801db607968>
CR2: fffffffd2a20f580
---[ end trace 1941ddaf4f409ca2 ]---
double fault: 0000 [#3] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 2493 Comm: syz-executor296 Tainted: G      D         4.4.159+ #106
task: ffff8800b4e14740 task.stack: ffff8801d1c30000
RIP: 0010:[<ffffffff814260d4>]  [<ffffffff814260d4>] dump_page+0x4/0x30 mm/debug.c:104
RSP: 0018:ffff880100000000  EFLAGS: 00010093
RAX: ffff8800b4e14740 RBX: ffffea0002d38300 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff828912a0 RDI: ffffea0002d38300
RBP: ffff880100000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: ffffffff83fd7174 R12: 0000000000000000
R13: ffffffff828912a0 R14: ffff8800b4e0db00 R15: ffff8800b4e0df00
FS:  0000000001336880(0063) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff8800fffffff8 CR3: 00000001d2029000 CR4: 00000000001606b0
Stack:

Call Trace:
 <UNK> 
Code: a0 12 89 82 48 89 df e8 1b 00 00 00 0f 0b 48 89 df e8 d1 96 05 00 eb d5 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 <41> 54 49 89 f4 53 48 89 fb e8 9e 0d ee ff 4c 89 e6 48 89 df 31 
RIP  [<ffffffff814260d4>] dump_page+0x4/0x30 mm/debug.c:104
 RSP <ffff880100000000>
---[ end trace 1941ddaf4f409ca3 ]---