BUG: kernel NULL pointer dereference, address: 0000000000000002
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 58b1f067 P4D 58b1f067 PUD 958c7067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 18267 Comm: syz-executor.3 Not tainted 5.6.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:do_syscall_32_irqs_on arch/x86/entry/common.c:317 [inline]
RIP: 0010:do_fast_syscall_32+0x17c/0xe8f arch/x86/entry/common.c:408
Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b6 0a 00 00 31 ff 44 89 7d 20 89 de e8 7c 63 71 00 85 db 0f 85 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
RSP: 0018:ffffc900019d7f18 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff8100b164
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffffc900019d7f58 R08: ffff88808edbc100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000f7fdce39
R13: ffffffff8973b4d0 R14: ffffc900019d7fd8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:00000000f5dd7b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000000002 CR3: 0000000095fa0000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
Modules linked in:
CR2: 0000000000000002
---[ end trace 624d183921b51a1c ]---
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:do_syscall_32_irqs_on arch/x86/entry/common.c:317 [inline]
RIP: 0010:do_fast_syscall_32+0x17c/0xe8f arch/x86/entry/common.c:408
Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b6 0a 00 00 31 ff 44 89 7d 20 89 de e8 7c 63 71 00 85 db 0f 85 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
RSP: 0018:ffffc900019d7f18 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff8100b164