ntfs: (device loop2): parse_options(): Invalid uid option argument: 0xffffffffffffffff
kasan: CONFIG_KASAN_INLINE enabled
ntfs: (device loop2): parse_options(): Invalid uid option argument: 0xffffffffffffffff
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 1 PID: 11598 Comm: syz-executor1 Not tainted 4.18.0-next-20180816+ #41
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:sigio_perm fs/fcntl.c:715 [inline]
RIP: 0010:send_sigio_to_task+0x1ad/0x910 fs/fcntl.c:734
Code: 4c 8d b3 00 ff ff ff 48 b8 00 00 00 00 00 fc ff df 49 8d bf 58 06 00 00 4c 89 f2 48 c1 ea 03 c6 04 02 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 1a 07 00 00 49 8b 87 58 06 00 00 4c 89 f2 48 c1
RSP: 0018:ffff88019368f3a8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88019368f528 RCX: ffffc90002e1c000
RDX: 00000000000000cb RSI: ffffffff81cb2bb3 RDI: 0000000000000658
RBP: ffff88019368f550 R08: ffff88018c43a2c0 R09: ffffed003b6246d6
R10: ffffed003b6246d6 R11: ffff8801db1236b3 R12: ffff8801b2961608
R13: 0000000000000034 R14: ffff88019368f428 R15: 0000000000000000
FS:  00007f7bb179a700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd12b56c000 CR3: 00000001cd845000 CR4: 00000000001426e0
Call Trace:
 send_sigio+0x36f/0x4a0 fs/fcntl.c:794
 kill_fasync_rcu fs/fcntl.c:1005 [inline]
 kill_fasync+0x32e/0x640 fs/fcntl.c:1019
 fsnotify_add_event+0x499/0x660 fs/notify/notification.c:140
 inotify_handle_event+0x33c/0x5c0 fs/notify/inotify/inotify_fsnotify.c:124
 inotify_ignored_and_remove_idr+0x10d/0x1b0 fs/notify/inotify/inotify_user.c:495
 inotify_freeing_mark+0x1d/0x30 fs/notify/inotify/inotify_fsnotify.c:138
 fsnotify_free_mark+0xf2/0x150 fs/notify/mark.c:409
 fsnotify_destroy_mark+0x3e/0x50 fs/notify/mark.c:418
 inotify_handle_event+0x473/0x5c0 fs/notify/inotify/inotify_fsnotify.c:131
 send_to_group fs/notify/fsnotify.c:234 [inline]
 fsnotify+0x97d/0x14e0 fs/notify/fsnotify.c:374
 fsnotify_close include/linux/fsnotify.h:238 [inline]
 __fput+0x622/0x8a0 fs/file_table.c:265
 ____fput+0x15/0x20 fs/file_table.c:312
 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457089
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f7bb1799c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000021
RAX: 000000000000000f RBX: 00007f7bb179a6d4 RCX: 0000000000457089
RDX: 0000000000000000 RSI: 000000000000000f RDI: 000000000000000d
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004cb6d0 R14: 00000000004c31f3 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 074d70cedbb34906 ]---
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:sigio_perm fs/fcntl.c:715 [inline]
RIP: 0010:send_sigio_to_task+0x1ad/0x910 fs/fcntl.c:734
Code: 4c 8d b3 00 ff ff ff 48 b8 00 00 00 00 00 fc ff df 49 8d bf 58 06 00 00 4c 89 f2 48 c1 ea 03 c6 04 02 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 1a 07 00 00 49 8b 87 58 06 00 00 4c 89 f2 48 c1
RSP: 0018:ffff88019368f3a8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88019368f528 RCX: ffffc90002e1c000
RDX: 00000000000000cb RSI: ffffffff81cb2bb3 RDI: 0000000000000658
RBP: ffff88019368f550 R08: ffff88018c43a2c0 R09: ffffed003b6246d6
R10: ffffed003b6246d6 R11: ffff8801db1236b3 R12: ffff8801b2961608
R13: 0000000000000034 R14: ffff88019368f428 R15: 0000000000000000
FS:  00007f7bb179a700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd12b56c000 CR3: 00000001cd845000 CR4: 00000000001426e0