audit: type=1400 audit(1566281909.853:2188): avc:  denied  { read } for  pid=11935 comm="syz-executor.5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
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kernel BUG at mm/vmstat.c:1425!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 191 Comm: kworker/1:1 Not tainted 4.4.174+ #17
Workqueue: vmstat vmstat_update
task: ffff8800ba550000 task.stack: ffff8800ba5d0000
RIP: 0010:[<ffffffff8140c9f9>]  [<ffffffff8140c9f9>] vmstat_update mm/vmstat.c:1425 [inline]
RIP: 0010:[<ffffffff8140c9f9>]  [<ffffffff8140c9f9>] vmstat_update+0x99/0xb0 mm/vmstat.c:1396
RSP: 0018:ffff8800ba5d7bc0  EFLAGS: 00010287
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81b0abec RDI: ffff8800ba5503f8
RBP: ffff8800ba5d7be0 R08: ffffffff82836950 R09: ffff8800ba550910
R10: ffffffff839ed8c0 R11: 0000000000000000 R12: ffff8801db71b380
R13: ffff8800ba5d7c78 R14: ffff8800ba45da00 R15: ffff8801db71df00
FS:  0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002f932000 CR3: 00000000b3067000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 0000000000000000 ffff8801db71b380 ffff8800ba5d7c78 ffff8800ba45da00
 ffff8800ba5d7d00 ffffffff81122c25 ffffffff81122b42 ffffffff81159431
 ffff8800ba45da48 ffff8801d99eea00 ffff880000000000 ffff8800ba45da20
Call Trace:
 [<ffffffff81122c25>] process_one_work+0x825/0x1720 kernel/workqueue.c:2064
 [<ffffffff81124004>] worker_thread+0x4e4/0xf50 kernel/workqueue.c:2196
 [<ffffffff811342c3>] kthread+0x273/0x310 kernel/kthread.c:211
 [<ffffffff82718fc5>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537
Code: 89 f6 e8 4b 95 d1 ff 5b 41 5c 41 5d 41 5e 5d c3 e8 cd e3 6f 00 89 c0 f0 48 0f ab 05 92 f4 c1 02 72 09 5b 41 5c 41 5d 41 5e 5d c3 <0f> 0b e8 c0 84 07 00 eb af 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 
RIP  [<ffffffff8140c9f9>] vmstat_update+0x99/0xb0 mm/vmstat.c:1427
 RSP <ffff8800ba5d7bc0>
---[ end trace c1b844a6d9269d15 ]---