general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 PID: 23646 Comm: syz-executor.3 Not tainted 5.8.0-rc2-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:388
Code: 48 8d bd 48 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 f7 02 00 00 48 8b ad 48 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:ffffc90017a8fd50 EFLAGS: 00010202
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: ffffffff8145bc7f
RDX: ffff88800f31c280 RSI: ffffffff8145bc8d RDI: ffff8880008c2ba0
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff89a09083
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801f848400
R13: ffff8880008c2480 R14: 0000000000000000 R15: 0000000000000010
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdfc8a4ec0 CR3: 000000004c705000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exit_mm kernel/exit.c:481 [inline]
 do_exit+0xa87/0x2a40 kernel/exit.c:792
 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+0x60/0xe0 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cb19
Code: Bad RIP value.
RSP: 002b:0000000000c9fd88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045cb19
RDX: 0000000000416711 RSI: fffffffffffffff7 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000c9fde0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000c9fde0 R14: 0000000000000000 R15: 0000000000c9fdf0
Modules linked in:
---[ end trace f28e11d262c8dbac ]---
RIP: 0010:mm_update_next_owner+0x497/0x7a0 kernel/exit.c:388
Code: 48 8d bd 48 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 f7 02 00 00 48 8b ad 48 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:ffffc90017a8fd50 EFLAGS: 00010202
RAX: 0000000000000002 RBX: dffffc0000000000 RCX: ffffffff8145bc7f
RDX: ffff88800f31c280 RSI: ffffffff8145bc8d RDI: ffff8880008c2ba0
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff89a09083
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88801f848400
R13: ffff8880008c2480 R14: 0000000000000000 R15: 0000000000000010
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdfc8a4ec0 CR3: 000000004c705000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400