general protection fault, probably for non-canonical address 0xe000dce000e0e0e2: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0x0007070007070710-0x0007070007070717]
CPU: 1 PID: 18802 Comm: syz-executor.4 Not tainted 5.9.0-rc1-next-20200821-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 68 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 f7 02 00 00 48 8b ad 68 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:ffffc90006247d58 EFLAGS: 00010206
RAX: 0000e0e000e0e0e2 RBX: dffffc0000000000 RCX: ffffffff81466eff
RDX: ffff8880564dc480 RSI: ffffffff81466f0d RDI: ffff8880001527c0
RBP: 0007070007070700 R08: 0000000000000001 R09: ffffffff89a09083
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a78c0a80
R13: ffff888000152080 R14: 0000000000000000 R15: 0007070007070710
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdc63ed8000 CR3: 000000020ecec000 CR4: 00000000001506e0
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: 0033:0x45d4d9
Code: Bad RIP value.
RSP: 002b:00007ffc5d246dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045d4d9
RDX: 0000000000416e21 RSI: fffffffffffffff7 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00000000fc8fd54c R09: 00007ffc5d246e20
R10: 00000000fc8fd548 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc5d246e20 R14: 0000000000000000 R15: 00007ffc5d246e30
Modules linked in:
---[ end trace 5462f8461ce41484 ]---
RIP: 0010:mm_update_next_owner+0x497/0x7a0 kernel/exit.c:389
Code: 48 8d bd 68 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 f7 02 00 00 48 8b ad 68 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:ffffc90006247d58 EFLAGS: 00010206
RAX: 0000e0e000e0e0e2 RBX: dffffc0000000000 RCX: ffffffff81466eff
RDX: ffff8880564dc480 RSI: ffffffff81466f0d RDI: ffff8880001527c0
RBP: 0007070007070700 R08: 0000000000000001 R09: ffffffff89a09083
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a78c0a80
R13: ffff888000152080 R14: 0000000000000000 R15: 0007070007070710
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdc63ed8000 CR3: 000000020ecec000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400