IPVS: set_ctl: invalid protocol: 0 0.0.0.0:0
IPVS: set_ctl: invalid protocol: 0 0.0.0.0:0
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14685 Comm: syz-executor4 Not tainted 4.20.0-rc1-next-20181107+ #107
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__x86_indirect_thunk_rbx+0x10/0x20 arch/x86/lib/retpoline.S:33
Code: 90 0f ae e8 eb f9 48 89 04 24 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 1c 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3
RSP: 0018:ffff880183567500 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 00c48148e375ccff RCX: ffffc9000a5b9000
RDX: 0000000000040000 RSI: ffffffff81ed5c9e RDI: ffff880183567588
RBP: ffff8801835676f0 R08: ffff8801876b6280 R09: ffffed003b5c5b67
R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: ffff8801bcca30c0
R13: ffff880183567588 R14: 1ffff100306acea5 R15: dffffc0000000000
FS:  00007fdd520b4700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000001bf17e000 CR4: 00000000001406f0
Call Trace:
 locks_remove_file+0x148/0x5c0 fs/locks.c:2607
 __fput+0x2f0/0xa70 fs/file_table.c:271
 ____fput+0x15/0x20 fs/file_table.c:312
 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
 get_signal+0x1550/0x1970 kernel/signal.c:2347
 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457569
Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fdd520b3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 0000000000cae000 RBX: 0000000000000003 RCX: 0000000000457569
RDX: 000000000d4b9afd RSI: 00000000200009c0 RDI: 0000000000000004
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdd520b46d4
R13: 00000000004c581b R14: 00000000004d9400 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop0' (000000003970095f): kobject_uevent_env
---[ end trace 47f6a0db05b750b1 ]---
kobject: 'loop0' (000000003970095f): fill_kobj_path: path = '/devices/virtual/block/loop0'
RIP: 0010:__x86_indirect_thunk_rbx+0x10/0x20 arch/x86/lib/retpoline.S:33
kobject: 'loop1' (000000007df4649f): kobject_uevent_env
Code: 90 0f ae e8 eb f9 48 89 04 24 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 1c 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3
kobject: 'loop1' (000000007df4649f): fill_kobj_path: path = '/devices/virtual/block/loop1'
RSP: 0018:ffff880183567500 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 00c48148e375ccff RCX: ffffc9000a5b9000
RDX: 0000000000040000 RSI: ffffffff81ed5c9e RDI: ffff880183567588
RBP: ffff8801835676f0 R08: ffff8801876b6280 R09: ffffed003b5c5b67
R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: ffff8801bcca30c0
R13: ffff880183567588 R14: 1ffff100306acea5 R15: dffffc0000000000
FS:  00007fdd520b4700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001d5d7d0 CR3: 00000001bf17e000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600