general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 30502 Comm: syz-executor.0 Not tainted 5.9.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mm_update_next_owner+0x497/0x7a0 kernel/exit.c:389
Code: 48 8d bd 60 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 f7 02 00 00 48 8b ad 60 03 00 00 4c 8d 7d 10 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 0f 85 ce 02 00 00 48 8b 45 10 48 8d a8 68 fa ff ff 49
RSP: 0018:ffffc9000815fd58 EFLAGS: 00010202
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: ffffffff8147a90f
RDX: ffff88804bcaa240 RSI: ffffffff8147a91d RDI: ffff8880001269f8
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff89e09083
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808cb23200
R13: ffff8880001262c0 R14: 0000000000000000 R15: 0000000000000010
FS:  0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32221000 CR3: 00000002125ea000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exit_mm kernel/exit.c:482 [inline]
 do_exit+0xa83/0x29f0 kernel/exit.c:793
 do_group_exit+0x125/0x310 kernel/exit.c:903
 __do_sys_exit_group kernel/exit.c:914 [inline]
 __se_sys_exit_group kernel/exit.c:912 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:912
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45de29
Code: Bad RIP value.
RSP: 002b:000000000169fd88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045de29
RDX: 0000000000417781 RSI: fffffffffffffff7 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000169fde0
R10: 0000000001190760 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000169fde0 R14: 0000000000000000 R15: 000000000169fdf0
Modules linked in:
---[ end trace d564b75e509b4711 ]---
RIP: 0010:mm_update_next_owner+0x497/0x7a0 kernel/exit.c:389
Code: 48 8d bd 60 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 f7 02 00 00 48 8b ad 60 03 00 00 4c 8d 7d 10 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 0f 85 ce 02 00 00 48 8b 45 10 48 8d a8 68 fa ff ff 49
RSP: 0018:ffffc9000815fd58 EFLAGS: 00010202
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: ffffffff8147a90f
RDX: ffff88804bcaa240 RSI: ffffffff8147a91d RDI: ffff8880001269f8
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff89e09083
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808cb23200
R13: ffff8880001262c0 R14: 0000000000000000 R15: 0000000000000010
FS:  0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32221000 CR3: 00000002125ea000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400