Buffer I/O error on dev loop0, logical block 8, lost async page write
blk_update_request: I/O error, dev loop0, sector 72
Buffer I/O error on dev loop0, logical block 9, lost async page write
IPVS: set_ctl: invalid protocol: 0 127.0.0.1:20000 sed
------------[ cut here ]------------
kernel BUG at kernel/sched/deadline.c:1068!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 12364 Comm: syz-executor0 Not tainted 4.9.103-g7fd4075 #36
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cb26c800 task.stack: ffff8801d88f8000
RIP: 0010:[<ffffffff8121bfbf>]  [<ffffffff8121bfbf>] __enqueue_dl_entity kernel/sched/deadline.c:987 [inline]
RIP: 0010:[<ffffffff8121bfbf>]  [<ffffffff8121bfbf>] enqueue_dl_entity kernel/sched/deadline.c:1039 [inline]
RIP: 0010:[<ffffffff8121bfbf>]  [<ffffffff8121bfbf>] enqueue_task_dl+0x31f/0x1f40 kernel/sched/deadline.c:1090
RSP: 0018:ffff8801d88ff918  EFLAGS: 00010087
RAX: 0000000000000000 RBX: ffff8801b9056000 RCX: 1ffff1003720ac6d
RDX: 0000000000000000 RSI: ffff8801b9056000 RDI: ffff8801b9056368
RBP: ffff8801d88ff988 R08: ffff88021fffd018 R09: 0000000000000006
R10: 0000000000000001 R11: 0000000000000062 R12: ffff8801db321c00
R13: ffff8801b9056310 R14: ffff8801db321c00 R15: 0000000000000000
FS:  00007f82e579d700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd20563b000 CR3: 00000001d7993000 CR4: 00000000001606f0
DR0: 00000000200001c0 DR1: 00000000200001c0 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Stack:
 0000000000000001 ffff8801d88ff960 ffffffff81230542 ffff8801cb26d0c0
 0000000000000046 ffff8801cb26c800 ffff8801db321c18 ffff8801b9056418
 ffff8801b9056000 ffff8801b9056000 ffff8801db321c00 0000000000000000
Call Trace:
 [<ffffffff811ca813>] enqueue_task kernel/sched/core.c:774 [inline]
 [<ffffffff811ca813>] activate_task+0x153/0x280 kernel/sched/core.c:790
 [<ffffffff8121b024>] push_dl_task.part.36+0x2e4/0x430 kernel/sched/deadline.c:1638
 [<ffffffff8121b1b6>] push_dl_task kernel/sched/deadline.c:1578 [inline]
 [<ffffffff8121b1b6>] push_dl_tasks.part.37+0x46/0x60 kernel/sched/deadline.c:1654
 [<ffffffff8121b1d9>] push_dl_tasks+0x9/0x10 kernel/sched/deadline.c:1652
 [<ffffffff811abde5>] __balance_callback+0x95/0xe0 kernel/sched/core.c:2869
 [<ffffffff839e7b78>] balance_callback kernel/sched/core.c:2877 [inline]
 [<ffffffff839e7b78>] __schedule+0x10a8/0x1bd0 kernel/sched/core.c:3508
 [<ffffffff839e871f>] schedule+0x7f/0x1b0 kernel/sched/core.c:3557
 [<ffffffff8158c871>] pipe_wait+0x101/0x1d0 fs/pipe.c:120
 [<ffffffff8158cf70>] pipe_write+0x4f0/0xd60 fs/pipe.c:475
 [<ffffffff8156e790>] new_sync_write fs/read_write.c:496 [inline]
 [<ffffffff8156e790>] __vfs_write+0x3e0/0x580 fs/read_write.c:509
 [<ffffffff81572587>] vfs_write+0x187/0x530 fs/read_write.c:557
 [<ffffffff815763b9>] SYSC_write fs/read_write.c:604 [inline]
 [<ffffffff815763b9>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff839f8013>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: 48 c1 e8 03 80 3c 10 00 0f 85 c2 11 00 00 41 80 39 00 49 8b 47 48 0f 85 df 11 00 00 48 39 83 58 03 00 00 79 ad 49 8d 47 10 eb ae <0f> 0b 4c 8d 53 3c 48 c7 c6 00 1c 02 00 48 bf 00 00 00 00 00 fc 
RIP  [<ffffffff8121bfbf>] __enqueue_dl_entity kernel/sched/deadline.c:987 [inline]
RIP  [<ffffffff8121bfbf>] enqueue_dl_entity kernel/sched/deadline.c:1039 [inline]
RIP  [<ffffffff8121bfbf>] enqueue_task_dl+0x31f/0x1f40 kernel/sched/deadline.c:1090
 RSP <ffff8801d88ff918>
---[ end trace 08b338d5d0ddbded ]---