Free memory is 28692kB above reserved
lowmemorykiller: Killing 'syz-executor.0' (11663) (tgid 11663), adj 1000,
   to free 36016kB on behalf of 'kswapd0' (33) because
   cache 52760kB is below limit 65536kB for oom_score_adj 12
   Free memory is 29092kB above reserved
BUG: sleeping function called from invalid context at kernel/fork.c:905
in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0
2 locks held by kswapd0/33:
 #0:  (shrinker_rwsem){++++..}, at: [<000000004d11693e>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472
 #1:  (rcu_read_lock){......}, at: [<00000000c6b46c21>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272
Preemption disabled at:[ 2405.709860] [<00000000943812cc>] spin_lock include/linux/spinlock.h:302 [inline]
Preemption disabled at:[ 2405.709860] [<00000000943812cc>] task_lock include/linux/sched.h:3217 [inline]
Preemption disabled at:[ 2405.709860] [<00000000943812cc>] get_task_mm+0x20/0xc0 kernel/fork.c:1012
CPU: 1 PID: 33 Comm: kswapd0 Not tainted 4.9.189+ #21
 ffff8801d84077c0 ffffffff81b65c01 0000000000000000 0000000000000001
 ffff8801d8df8000 ffffffff810d1010 ffff8801d8df8000 ffff8801d84077f8
 ffffffff814018f3 ffff8801d8df8000 ffffffff82a39fc0 0000000000000389
Call Trace:
 [<00000000e48e10b1>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000e48e10b1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000c7d9e1fe>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004
 [<000000008229ff50>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961
 [<0000000031d6e687>] mmput+0x28/0x370 kernel/fork.c:905
 [<0000000072fe0d48>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111
 [<0000000087df59d0>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345
 [<000000008b27b4fc>] do_shrink_slab mm/vmscan.c:399 [inline]
 [<000000008b27b4fc>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502
 [<00000000c533f4e9>] shrink_slab mm/vmscan.c:466 [inline]
 [<00000000c533f4e9>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604
 [<00000000356d2849>] kswapd_shrink_node mm/vmscan.c:3209 [inline]
 [<00000000356d2849>] balance_pgdat mm/vmscan.c:3329 [inline]
 [<00000000356d2849>] kswapd+0x7f8/0x13b0 mm/vmscan.c:3523
 [<0000000016c4a2b1>] kthread+0x278/0x310 kernel/kthread.c:211
 [<00000000ecf8382d>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375
netlink: 64 bytes leftover after parsing attributes in process `syz-executor.3'.
audit: type=1400 audit(2000000001.824:138): avc:  denied  { relabelto } for  pid=320 comm="syz-executor.1" name="NETLINK" dev="sockfs" ino=264310 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:power_device_t:s0 tclass=netlink_route_socket permissive=1
ip6_tunnel: ½ xmit: Local address not yet configured!