BUG: unable to handle page fault for address: ffff880000000010
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19853 Comm: syz-executor.3 Not tainted 5.8.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mm_update_next_owner+0x316/0x6d0 kernel/exit.c:388
Code: 48 89 ef e8 9c 9d 6c 00 4c 8b 7d 00 49 83 c7 10 4c 89 fb 90 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 7a 9d 6c 00 <48> 8b 1b 49 39 df 74 59 48 8d ab 68 fa ff ff 4c 89 f1 4c 8d b5 28
RSP: 0018:ffffc90016d3fca8 EFLAGS: 00010246
RAX: 1ffff10000000002 RBX: ffff880000000010 RCX: ffff88802593c380
RDX: ffff88802593c380 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888000100ae0 R08: ffffffff81470397 R09: fffffbfff1281209
R10: fffffbfff1281209 R11: 0000000000000000 R12: ffff888045198800
R13: ffff8880001003c0 R14: dffffc0000000000 R15: ffff880000000010
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff880000000010 CR3: 00000001d473c000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exit_mm+0x4c5/0x550 kernel/exit.c:481
 do_exit+0x584/0x1f80 kernel/exit.c:792
 do_group_exit+0x161/0x2d0 kernel/exit.c:903
 __do_sys_exit_group+0x13/0x20 kernel/exit.c:914
 __se_sys_exit_group+0x10/0x10 kernel/exit.c:912
 __x64_sys_exit_group+0x37/0x40 kernel/exit.c:912
 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cce9
Code: Bad RIP value.
RSP: 002b:00007fff668ea658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045cce9
RDX: 0000000000416801 RSI: fffffffffffffff7 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fff668ea6b0
R10: 00000000007901a0 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff668ea6b0 R14: 0000000000000000 R15: 00007fff668ea6c0
Modules linked in:
CR2: ffff880000000010
---[ end trace e3210c179bbb85d0 ]---
RIP: 0010:mm_update_next_owner+0x316/0x6d0 kernel/exit.c:388
Code: 48 89 ef e8 9c 9d 6c 00 4c 8b 7d 00 49 83 c7 10 4c 89 fb 90 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 7a 9d 6c 00 <48> 8b 1b 49 39 df 74 59 48 8d ab 68 fa ff ff 4c 89 f1 4c 8d b5 28
RSP: 0018:ffffc90016d3fca8 EFLAGS: 00010246
RAX: 1ffff10000000002 RBX: ffff880000000010 RCX: ffff88802593c380
RDX: ffff88802593c380 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888000100ae0 R08: ffffffff81470397 R09: fffffbfff1281209
R10: fffffbfff1281209 R11: 0000000000000000 R12: ffff888045198800
R13: ffff8880001003c0 R14: dffffc0000000000 R15: ffff880000000010
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff880000000010 CR3: 00000001d473c000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400