kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 1777 Comm: syz-executor.2 Not tainted 4.14.169-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88818c4a8000 task.stack: ffff8881def38000
RIP: 0010:mm_update_next_owner+0x3f7/0x5d0 kernel/exit.c:452
RSP: 0018:ffff8881def3fd20 EFLAGS: 00010a06
RAX: 1e001fea7e001fbd RBX: dffffc0000000000 RCX: 00000000026b904f
RDX: 0000000000000000 RSI: 0000000000000100 RDI: ffff88800017e800
RBP: ffff8881def3fd80 R08: f000ff53f000fdeb R09: ffffffff89556e88
R10: ffff88818c4a8880 R11: ffff88818c4a8000 R12: f000ff53f000f9bb
R13: ffff88809ac3c080 R14: ffff888055dd1940 R15: ffff88818c4a8000
FS:  0000000000000000(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000075c000 CR3: 00000000a449a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exit_mm kernel/exit.c:544 [inline]
 do_exit+0x94a/0x2cd0 kernel/exit.c:845
 do_group_exit+0x111/0x330 kernel/exit.c:955
 SYSC_exit_group kernel/exit.c:966 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:964
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45b399
RSP: 002b:00007ffea19e2588 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045b399
RDX: 0000000000414f31 RSI: fffffffffffffff7 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007ffea19e25e0
R10: 0000000000760e28 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffea19e25e0 R14: 0000000000000000 R15: 00007ffea19e25f0
Code: 84 24 98 05 00 00 48 39 45 d0 4c 8d a0 68 fa ff ff 0f 84 ea fe ff ff e8 68 95 24 00 4d 8d 84 24 30 04 00 00 4c 89 c0 48 c1 e8 03 <80> 3c 18 00 0f 85 df 00 00 00 4d 8b b4 24 30 04 00 00 4d 39 ee 
RIP: mm_update_next_owner+0x3f7/0x5d0 kernel/exit.c:452 RSP: ffff8881def3fd20
---[ end trace 56d9262c28f14ca7 ]---