IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
8021q: adding VLAN 0 to HW filter on device team0
8021q: adding VLAN 0 to HW filter on device team0
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: 1 PID: 7334 Comm: syz-executor4 Not tainted 4.20.0-rc1+ #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
RIP: 0010:locks_remove_flock+0x1ef/0x320 fs/locks.c:2524
Code: 80 3c 02 00 0f 85 10 01 00 00 4d 8b 64 24 98 4d 85 e4 74 32 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 12 01 00 00 49 8b 44 24 08 48 85 c0 74 08 4c 89
RSP: 0018:ffff880058eaf890 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 1ffff1000b1d5f15 RCX: 0000000000000000
RDX: 03fffe200163abe8 RSI: 00000000ffffffff RDI: 1ffff1000b1d5f45
RBP: ffff880058eafa70 R08: ffffed000d8e5b68 R09: ffffed000d8e5b67
R10: ffffed000d8e5b67 R11: ffff88006c72db3b R12: 1ffff1000b1d5f3d
R13: ffff88005a7fca80 R14: ffff880058eaf908 R15: dffffc0000000000
FS:  00000000010db940(0000) GS:ffff88006c700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000619570 CR3: 0000000063d68000 CR4: 00000000007406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
 locks_remove_file+0x126/0x590 fs/locks.c:2564
 __fput+0x26f/0xab0 fs/file_table.c:270
 ____fput+0x9/0x10 fs/file_table.c:309
 task_work_run+0x19f/0x240 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x26e/0x300 arch/x86/entry/common.c:166
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x587/0x700 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x410501
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 14 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffea44e8570 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000410501
RDX: 0000000000000000 RSI: 00000000007200b8 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000000 R09: 00007ffea44e8490
R10: 00007ffea44e8490 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000004
Modules linked in:
---[ end trace f5eb6568faf6902a ]---
RIP: 0010:locks_remove_flock+0x1ef/0x320 fs/locks.c:2524
Code: 80 3c 02 00 0f 85 10 01 00 00 4d 8b 64 24 98 4d 85 e4 74 32 49 8d 7c 24 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 12 01 00 00 49 8b 44 24 08 48 85 c0 74 08 4c 89
RSP: 0018:ffff880058eaf890 EFLAGS: 00010207
RAX: dffffc0000000000 RBX: 1ffff1000b1d5f15 RCX: 0000000000000000
RDX: 03fffe200163abe8 RSI: 00000000ffffffff RDI: 1ffff1000b1d5f45
RBP: ffff880058eafa70 R08: ffffed000d8e5b68 R09: ffffed000d8e5b67
R10: ffffed000d8e5b67 R11: ffff88006c72db3b R12: 1ffff1000b1d5f3d
R13: ffff88005a7fca80 R14: ffff880058eaf908 R15: dffffc0000000000
FS:  00000000010db940(0000) GS:ffff88006c700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000063f210 CR3: 0000000063d68000 CR4: 00000000007406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554