BUG: kernel NULL pointer dereference, address: 0000000000000282
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1 Comm: systemd Not tainted 5.8.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__syscall_return_slowpath+0x26/0x280 arch/x86/entry/common.c:316
Code: 0b 0f 1f 00 41 55 65 48 8b 04 25 00 ff 01 00 41 54 55 53 48 83 3d d1 5f b4 08 00 48 8b 18 74 3f 48 89 fd 9c 58 0f 1f 44 00 00 <00> 00 00 00 00 00 77 00 77 00 00 00 00 00 00 00 00 00 00 00 00 00
RSP: 0018:ffffc90000c7ff18 EFLAGS: 00010282
RAX: 0000000000000282 RBX: 0000000000000002 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffffff81bccd62 RDI: ffffc90000c7ff58
RBP: ffffc90000c7ff58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3913650500(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000282 CR3: 00000000a77b5000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_syscall_64+0x6c/0xe0 arch/x86/entry/common.c:368
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f3911eee85d
Code: Bad RIP value.
RSP: 002b:00007ffcc80285a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: fffffffffffffffe RBX: 00007ffcc8028630 RCX: 00007f3911eee85d
RDX: 0000000000000001 RSI: 00000000000a0100 RDI: 000055e302f1b450
RBP: 0000000000000008 R08: 000055e302eb88ea R09: 0000000000000020
R10: 0000000000000000 R11: 0000000000000293 R12: 000055e302f1b467
R13: 000055e302f1b290 R14: 00007ffcc80285c0 R15: 000055e302eb88c0
Modules linked in:
CR2: 0000000000000282