hfsplus: umask requires a value general protection fault: 0000 [#1] PREEMPT SMP KASAN kobject: 'loop2' (00000000df7b1bd0): kobject_uevent_env CPU: 1 PID: 11274 Comm: syz-executor1 Not tainted 4.20.0-rc1-next-20181107+ #107 hfsplus: unable to parse mount options Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 kobject: 'loop2' (00000000df7b1bd0): fill_kobj_path: path = '/devices/virtual/block/loop2' RSP: 0018:ffff8801b8017880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d kobject: 'loop5' (000000008c1bba63): kobject_uevent_env RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff8801b8017a60 R08: ffff880184884500 R09: ffffed003b5e5b67 R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801d8d14080 R13: ffff8801b80178f8 R14: 1ffff10037002f13 R15: dffffc0000000000 FS: 00000000012d1940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33527000 CR3: 00000001c9f1a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kobject: 'loop5' (000000008c1bba63): fill_kobj_path: path = '/devices/virtual/block/loop5' locks_remove_file+0x148/0x5c0 fs/locks.c:2607 __fput+0x2f0/0xa70 fs/file_table.c:271 ____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:188 [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: 0033:0x411021 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffe57e47890 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000411021 RDX: 0000000000000000 RSI: 0000000000732f70 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffe57e477c0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000000a9 R15: 0000000000000001 Modules linked in: ---[ end trace 53b7d045f933b608 ]--- kobject: 'loop0' (0000000030805e0d): kobject_uevent_env RIP: 0010:locks_remove_flock+0x216/0x350 fs/locks.c:2567 kobject: 'loop0' (0000000030805e0d): fill_kobj_path: path = '/devices/virtual/block/loop0' Code: 00 0f 85 3a 01 00 00 48 8b 5b 98 48 85 db 74 3a e8 1f 41 92 ff 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 17 01 00 00 48 8b 5b 08 48 85 db 74 0d e8 f2 40 RSP: 0018:ffff8801b8017880 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000041b58ab3 RCX: ffffffff81ed555d kobject: 'loop4' (00000000b2938a30): kobject_uevent_env RDX: 000000000836b157 RSI: ffffffff81ed5c71 RDI: 0000000041b58abb RBP: ffff8801b8017a60 R08: ffff880184884500 R09: ffffed003b5e5b67 R10: ffffed003b5e5b67 R11: ffff8801daf2db3b R12: ffff8801d8d14080 R13: ffff8801b80178f8 R14: 1ffff10037002f13 R15: dffffc0000000000 kobject: 'loop3' (0000000010df40a2): kobject_uevent_env FS: 00000000012d1940(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 kobject: 'loop4' (00000000b2938a30): fill_kobj_path: path = '/devices/virtual/block/loop4' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop3' (0000000010df40a2): fill_kobj_path: path = '/devices/virtual/block/loop3' CR2: 00007fcbd821ef44 CR3: 00000001c9f1a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400