random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available)
random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available)
random: nonblocking pool is initialized
==================================================================
BUG: KASAN: slab-out-of-bounds in pfkey_msg2xfrm_state net/key/af_key.c:1188 [inline]
BUG: KASAN: slab-out-of-bounds in pfkey_add+0x270e/0x3490 net/key/af_key.c:1506
Read of size 2081 at addr ffff8801d19bcc98 by task syzkaller303259/3581

CPU: 0 PID: 3581 Comm: syzkaller303259 Not tainted 4.4.125-g38f41ec #63
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 add6343ee45d5d6b ffff8801cf0b7778 ffffffff81d067bd
 ffffea0007466f00 ffff8801d19bcc98 0000000000000000 ffff8801d19bce80
 ffff8801cf0b79b8 ffff8801cf0b77b0 ffffffff814fea83 ffff8801d19bcc98
Call Trace:
 [<ffffffff81d067bd>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d067bd>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff814fea83>] print_address_description+0x73/0x260 mm/kasan/report.c:252
 [<ffffffff814fef95>] kasan_report_error mm/kasan/report.c:351 [inline]
 [<ffffffff814fef95>] kasan_report+0x285/0x370 mm/kasan/report.c:408
 [<ffffffff814fd9d7>] check_memory_region_inline mm/kasan/kasan.c:325 [inline]
 [<ffffffff814fd9d7>] check_memory_region+0x137/0x190 mm/kasan/kasan.c:332
 [<ffffffff814fdf13>] memcpy+0x23/0x50 mm/kasan/kasan.c:367
 [<ffffffff8344ce3e>] pfkey_msg2xfrm_state net/key/af_key.c:1188 [inline]
 [<ffffffff8344ce3e>] pfkey_add+0x270e/0x3490 net/key/af_key.c:1506
 [<ffffffff8345032b>] pfkey_process+0x68b/0x750 net/key/af_key.c:2834
 [<ffffffff83451b89>] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678
 [<ffffffff82df168a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82df168a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82df3261>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82df52b3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82df539d>] SYSC_sendmsg net/socket.c:2007 [inline]
 [<ffffffff82df539d>] SyS_sendmsg+0x2d/0x50 net/socket.c:2003
 [<ffffffff83779965>] entry_SYSCALL_64_fastpath+0x22/0x9e

Allocated by task 3581:
 [<ffffffff81035d76>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff814fdaf3>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
 [<ffffffff814fddbd>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff814fddbd>] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:616
 [<ffffffff814fe594>] kasan_krealloc+0x64/0x80 mm/kasan/kasan.c:654
 [<ffffffff814f7392>] ksize+0x92/0xf0 mm/slub.c:3727
 [<ffffffff82e0c742>] __alloc_skb+0x132/0x600 net/core/skbuff.c:237
 [<ffffffff83451915>] alloc_skb include/linux/skbuff.h:815 [inline]
 [<ffffffff83451915>] pfkey_sendmsg+0x135/0x760 net/key/af_key.c:3665
 [<ffffffff82df168a>] sock_sendmsg_nosec net/socket.c:625 [inline]
 [<ffffffff82df168a>] sock_sendmsg+0xca/0x110 net/socket.c:635
 [<ffffffff82df3261>] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962
 [<ffffffff82df52b3>] __sys_sendmsg+0xd3/0x190 net/socket.c:1996
 [<ffffffff82df539d>] SYSC_sendmsg net/socket.c:2007 [inline]
 [<ffffffff82df539d>] SyS_sendmsg+0x2d/0x50 net/socket.c:2003
 [<ffffffff83779965>] entry_SYSCALL_64_fastpath+0x22/0x9e

Freed by task 1984:
 [<ffffffff81035d76>] save_stack_trace+0x26/0x50 arch/x86/kernel/stacktrace.c:63
 [<ffffffff814fdaf3>] save_stack+0x43/0xd0 mm/kasan/kasan.c:512
 [<ffffffff814fe412>] set_track mm/kasan/kasan.c:524 [inline]
 [<ffffffff814fe412>] kasan_slab_free+0x72/0xc0 mm/kasan/kasan.c:589
 [<ffffffff814faeac>] slab_free_hook mm/slub.c:1383 [inline]
 [<ffffffff814faeac>] slab_free_freelist_hook mm/slub.c:1405 [inline]
 [<ffffffff814faeac>] slab_free mm/slub.c:2859 [inline]
 [<ffffffff814faeac>] kfree+0xfc/0x300 mm/slub.c:3749
 [<ffffffff82e0b71d>] skb_free_head net/core/skbuff.c:571 [inline]
 [<ffffffff82e0b71d>] skb_release_data+0x2ed/0x3b0 net/core/skbuff.c:602
 [<ffffffff82e0b82a>] skb_release_all+0x4a/0x60 net/core/skbuff.c:661
 [<ffffffff82e0be33>] __kfree_skb net/core/skbuff.c:675 [inline]
 [<ffffffff82e0be33>] consume_skb+0xf3/0x3d0 net/core/skbuff.c:748
 [<ffffffff82e28e2a>] skb_free_datagram+0x1a/0xe0 net/core/datagram.c:280
 [<ffffffff82f87bfb>] netlink_recvmsg+0x60b/0xe10 net/netlink/af_netlink.c:1926
 [<ffffffff82dee0bc>] sock_recvmsg_nosec net/socket.c:727 [inline]
 [<ffffffff82dee0bc>] sock_recvmsg+0x8c/0xc0 net/socket.c:735
 [<ffffffff82df35cd>] ___sys_recvmsg+0x26d/0x560 net/socket.c:2116
 [<ffffffff82df57d3>] __sys_recvmsg+0xd3/0x190 net/socket.c:2162
 [<ffffffff82df58bd>] SYSC_recvmsg net/socket.c:2174 [inline]
 [<ffffffff82df58bd>] SyS_recvmsg+0x2d/0x50 net/socket.c:2169
 [<ffffffff83779965>] entry_SYSCALL_64_fastpath+0x22/0x9e

The buggy address belongs to the object at ffff8801d19bcc80
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 24 bytes inside of
 512-byte region [ffff8801d19bcc80, ffff8801d19bce80)
The buggy address belongs to the page:
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 3558 Comm: getty Not tainted 4.4.125-g38f41ec #63
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000000 8f21700d52bfbaec ffff8801d0b5f930 ffffffff81d067bd
 ffffffff8515d9c0 0000000000000000 ffff8800b434b000 ffff8801cd413430
 0000000000000000 ffff8801d0b5f940 ffffffff8141b6f3 ffff8801d0b5faf0
Call Trace:
 [<ffffffff81d067bd>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d067bd>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff8141b6f3>] register_lock_class.part.26+0x32/0x36 kernel/locking/lockdep.c:762
 [<ffffffff8123b339>] register_lock_class kernel/locking/lockdep.c:767 [inline]
 [<ffffffff8123b339>] __lock_acquire+0x3a49/0x4b50 kernel/locking/lockdep.c:3101
 [<ffffffff8123dcae>] lock_acquire+0x15e/0x460 kernel/locking/lockdep.c:3592
 [<ffffffff83774b71>] down_write+0x41/0xa0 kernel/locking/rwsem.c:49
 [<ffffffff814ab9e5>] i_mmap_lock_write include/linux/fs.h:502 [inline]
 [<ffffffff814ab9e5>] unlink_file_vma+0x75/0xb0 mm/mmap.c:273
 [<ffffffff814996f6>] free_pgtables+0x226/0x330 mm/memory.c:555
 [<ffffffff814b4f93>] exit_mmap+0x1e3/0x3a0 mm/mmap.c:2928
 [<ffffffff811237d8>] __mmput kernel/fork.c:715 [inline]
 [<ffffffff811237d8>] mmput+0xf8/0x2d0 kernel/fork.c:735
 [<ffffffff81133104>] exit_mm kernel/exit.c:444 [inline]
 [<ffffffff81133104>] do_exit+0x714/0x2a10 kernel/exit.c:746
 [<ffffffff811396b8>] do_group_exit+0x108/0x320 kernel/exit.c:889
 [<ffffffff811398ed>] SYSC_exit_group kernel/exit.c:900 [inline]
 [<ffffffff811398ed>] SyS_exit_group+0x1d/0x20 kernel/exit.c:898
 [<ffffffff83779965>] entry_SYSCALL_64_fastpath+0x22/0x9e
BUG: unable to handle kernel paging request at fffffffe115da5c0
IP: [<ffffffff8122ba55>] cpuacct_charge+0x155/0x390 kernel/sched/cpuacct.c:247
PGD 420f067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 3468 Comm: rsyslogd Not tainted 4.4.125-g38f41ec #63
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801d18b6000 task.stack: ffff8801d1018000
RIP: 0010:[<ffffffff8122ba55>]  [<ffffffff8122ba55>] cpuacct_charge+0x155/0x390 kernel/sched/cpuacct.c:247
RSP: 0000:ffff8801d101f730  EFLAGS: 00010046
RAX: 1ffffffff0855007 RBX: 0000000000018528 RCX: ffffffff847ec9c0
RDX: fffffbffc22bb4b8 RSI: fffffffe115da5c0 RDI: ffffffff842a8038
RBP: ffff8801d101f778 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff83844600 R11: 1ffff1003a203eb2 R12: ffffffff842a7f60
R13: dffffc0000000000 R14: 00000000568ecc73 R15: ffffffffd19bdb80
FS:  00007fcac7dff700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffe115da5c0 CR3: 00000000b6406000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8122b960 0000000000000046 ffff8801d101f780 ffffffff81d665bb
 ffff8801cf961860 ffffffff83844600 00000000568ecc73 ffff8801cf9618b0
 ffff8801cf961800 ffff8801d101f7c8 ffffffff811dd0c7 ffff8801db21f4c0
Call Trace:
 [<ffffffff811dd0c7>] update_curr+0x2c7/0x6c0 kernel/sched/fair.c:882
 [<ffffffff811e5253>] enqueue_entity kernel/sched/fair.c:3511 [inline]
 [<ffffffff811e5253>] enqueue_task_fair+0x313/0x2940 kernel/sched/fair.c:4694
 [<ffffffff811bc208>] enqueue_task kernel/sched/core.c:858 [inline]
 [<ffffffff811bc208>] activate_task+0x148/0x270 kernel/sched/core.c:874
 [<ffffffff811bd1af>] ttwu_activate kernel/sched/core.c:1736 [inline]
 [<ffffffff811bd1af>] ttwu_do_activate.constprop.131+0xbf/0x1e0 kernel/sched/core.c:1789
 [<ffffffff811c059d>] ttwu_queue kernel/sched/core.c:1934 [inline]
 [<ffffffff811c059d>] try_to_wake_up+0x68d/0xf60 kernel/sched/core.c:2068
 [<ffffffff811c3120>] wake_up_state+0x10/0x20 kernel/sched/core.c:2148
 [<ffffffff81153ec4>] signal_wake_up_state+0x44/0x70 kernel/signal.c:659
 [<ffffffff816427c9>] signal_wake_up include/linux/sched.h:3323 [inline]
 [<ffffffff816427c9>] zap_process+0x1c9/0x290 fs/coredump.c:301
 [<ffffffff81643db4>] zap_threads fs/coredump.c:320 [inline]
 [<ffffffff81643db4>] coredump_wait fs/coredump.c:397 [inline]
 [<ffffffff81643db4>] do_coredump+0x664/0x2980 fs/coredump.c:562
 [<ffffffff8115cbf2>] get_signal+0x5c2/0x1550 kernel/signal.c:2311
 [<ffffffff8100e7fb>] do_signal+0x8b/0x1d40 arch/x86/kernel/signal.c:712
 [<ffffffff810035fa>] exit_to_usermode_loop+0x11a/0x160 arch/x86/entry/common.c:248
 [<ffffffff81006363>] prepare_exit_to_usermode+0xe3/0x100 arch/x86/entry/common.c:283
 [<ffffffff8377a508>] retint_user+0x8/0x3c
Code: 49 8d bc 24 d8 00 00 00 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 9e 01 00 00 49 8b 9c 24 d8 00 00 00 80 3a 00 0f 85 0a 02 00 00 <4a> 03 1c f9 48 89 d8 48 c1 e8 03 42 80 3c 28 00 0f 85 cf 01 00 
RIP  [<ffffffff8122ba55>] cpuacct_charge+0x155/0x390 kernel/sched/cpuacct.c:247
 RSP <ffff8801d101f730>
CR2: fffffffe115da5c0
---[ end trace f0cddb682402c4b7 ]---