BUG: kernel NULL pointer dereference, address: 0000000000000282
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD a7061067 P4D a7061067 PUD a64af067 PMD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7411 Comm: syz-executor.5 Not tainted 5.8.0-rc5-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:339
Code: 0b 0f 1f 00 41 55 65 48 8b 04 25 00 ff 01 00 41 54 55 53 48 83 3d 11 60 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 fd 5f b4 08 00 0f
RSP: 0018:ffffc900154bff18 EFLAGS: 00010282
RAX: 0000000000000282 RBX: 0000000000004000 RCX: 0000000000000000
RDX: ffff88805345e100 RSI: ffffffff8164332d RDI: ffffc900154bff58
RBP: ffffc900154bff58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000ea7940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000282 CR3: 000000009f15b000 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:393
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45a6e0
Code: Bad RIP value.
RSP: 002b:0000000000c9fd88 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
RAX: 0000000000000000 RBX: 00000000001f82fc RCX: 000000000045a6e0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000c9fd90
RBP: 00000000000017a6 R08: 0000000000000001 R09: 0000000000ea7940
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000a
R13: 0000000000c9fde0 R14: 00000000001f7fac R15: 0000000000c9fdf0
Modules linked in:
CR2: 0000000000000282
---[ end trace 35e6232d6a5cd80b ]---
RIP: 0010:__syscall_return_slowpath+0x26/0x280 arch/x86/entry/common.c:339
Code: 0b 0f 1f 00 41 55 65 48 8b 04 25 00 ff 01 00 41 54 55 53 48 83 3d 11 60 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 fd 5f b4 08 00 0f
RSP: 0018:ffffc900154bff18 EFLAGS: 00010282
RAX: 0000000000000282 RBX: 0000000000004000 RCX: 0000000000000000
RDX: ffff88805345e100 RSI: ffffffff8164332d RDI: ffffc900154bff58
RBP: ffffc900154bff58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000ea7940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000282 CR3: 000000009f15b000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400