general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 9437 Comm: syz-executor.3 Not tainted 5.9.0-rc3-next-20200902-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sock_release+0xbb/0x280 net/socket.c:596
Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 a5 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8e 01 00 00 48 89 df 41 ff 54 24 10 48 8d 7b 18
RSP: 0018:ffffc90005797e28 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888085345a80 RCX: 1ffff92000af2f67
RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010
RBP: ffff888085345c20 R08: ffff888085345c20 R09: ffff888085345c33
R10: ffffed1010a68b86 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888085345aa0 R14: 0000000000000000 R15: ffff8880871db0c0
FS:  00000000025eb940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000744138 CR3: 0000000091559000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_close+0x18/0x20 net/socket.c:1277
 __fput+0x285/0x920 fs/file_table.c:281
 task_work_run+0xdd/0x190 kernel/task_work.c:141
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:140 [inline]
 exit_to_user_mode_prepare+0x1e1/0x200 kernel/entry/common.c:167
 syscall_exit_to_user_mode+0x7e/0x2e0 kernel/entry/common.c:242
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x416f01
Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 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:00007ffe1847aeb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000416f01
RDX: 0000000000000000 RSI: 0000000000000081 RDI: 0000000000000004
RBP: 0000000000000000 R08: 00000000011903e0 R09: 0000000000000000
R10: 00007ffe1847af90 R11: 0000000000000293 R12: 00000000011903e8
R13: 0000000000000000 R14: ffffffffffffffff R15: 000000000118cf4c
Modules linked in:
---[ end trace 6499d45ee584d933 ]---
RIP: 0010:__sock_release+0xbb/0x280 net/socket.c:596
Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 a5 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8e 01 00 00 48 89 df 41 ff 54 24 10 48 8d 7b 18
RSP: 0018:ffffc90005797e28 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888085345a80 RCX: 1ffff92000af2f67
RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010
RBP: ffff888085345c20 R08: ffff888085345c20 R09: ffff888085345c33
R10: ffffed1010a68b86 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888085345aa0 R14: 0000000000000000 R15: ffff8880871db0c0
FS:  00000000025eb940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562b17338180 CR3: 0000000091559000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400