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: 0 PID: 3888 Comm: systemd-udevd 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 02 74 32 f7 c3 91 00 00 10 75 58 48 83 3d bd 5f b4 08 00 0f
RSP: 0018:ffffc90001477f18 EFLAGS: 00010282
RAX: 0000000000000282 RBX: 0000000000000100 RCX: 0000000000000000
RDX: ffff88809dc9e040 RSI: ffffffff81bef5f7 RDI: ffffc90001477f58
RBP: ffffc90001477f58 R08: 0000000000000001 R09: ffff88809dc9e908
R10: fffffbfff155cb29 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f327e8bf8c0(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000282 CR3: 000000009e3f2000 CR4: 00000000001426f0
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: 0033:0x7f327d7340ba
Code: Bad RIP value.
RSP: 002b:00007fff85d75ad8 EFLAGS: 00000202 ORIG_RAX: 000000000000010b
RAX: ffffffffffffffea RBX: 000055a1e20a7ad0 RCX: 00007f327d7340ba
RDX: 000055a1e20a7ad0 RSI: 000055a1e20a78f0 RDI: 00000000ffffff9c
RBP: 0000000000000064 R08: 000055a1e1236670 R09: 0000000000000070
R10: 0000000000000063 R11: 0000000000000202 R12: 000055a1e20a78f0
R13: 00000000ffffff9c R14: 00007fff85d75b30 R15: 0000000000000063
Modules linked in:
CR2: 0000000000000282
---[ end trace 561bba78b0cda25d ]---
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 02 74 32 f7 c3 91 00 00 10 75 58 48 83 3d bd 5f b4 08 00 0f
RSP: 0018:ffffc90001477f18 EFLAGS: 00010282
RAX: 0000000000000282 RBX: 0000000000000100 RCX: 0000000000000000
RDX: ffff88809dc9e040 RSI: ffffffff81bef5f7 RDI: ffffc90001477f58
RBP: ffffc90001477f58 R08: 0000000000000001 R09: ffff88809dc9e908
R10: fffffbfff155cb29 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f327e8bf8c0(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000282 CR3: 000000009e3f2000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400