overlayfs: unrecognized mount option "fscontext"root"" or missing value
IPVS: ftp: loaded support on port[0] = 21
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: 0 PID: 21739 Comm: syz-executor.1 Not tainted 4.14.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805fa16280 task.stack: ffff88820a650000
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:mm_update_next_owner+0x367/0x5b0 kernel/exit.c:451
RSP: 0018:ffff88820a657d48 EFLAGS: 00010206
RAX: 00ee00ee00eeeef0 RBX: dffffc0000000000 RCX: 00000000026b904f
RDX: 0000000000000000 RSI: 0000000000000100 RDI: ffff8880001088c0
RBP: 0770077007777770 R08: ffff888063afa630 R09: ffffffff8a066e48
R10: ffff88805fa16b08 R11: ffff88805fa16280 R12: ffff8880631386c0
R13: 0770077007777780 R14: ffff88805fa16280 R15: ffff888063c5cc80
FS:  0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002e2c0cf0 CR3: 000000006064e000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 exit_mm kernel/exit.c:544 [inline]
 do_exit+0x92b/0x2b00 kernel/exit.c:845
 do_group_exit+0x100/0x310 kernel/exit.c:955
 SYSC_exit_group kernel/exit.c:966 [inline]
 SyS_exit_group+0x19/0x20 kernel/exit.c:964
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c829
RSP: 002b:00007ffddec7dc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 000000000045c829
RDX: 0000000000416421 RSI: fffffffffffffff7 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffddec7dc80
R10: 0000000000791dc0 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffddec7dc80 R14: 0000000000000000 R15: 00007ffddec7dc90
Code: 00 48 8d bd 20 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 fb 01 00 00 48 8b ad 20 03 00 00 4c 8d 6d 10 4c 89 e8 48 c1 e8 03 <80> 3c 18 00 0f 85 d2 01 00 00 48 8b 45 10 48 8d a8 68 fa ff ff 
RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff88820a657d48
RIP: mm_update_next_owner+0x367/0x5b0 kernel/exit.c:451 RSP: ffff88820a657d48
---[ end trace 0cb8d742d616642b ]---