kasan: CONFIG_KASAN_INLINE enabled
overlayfs: filesystem on './file0' not supported as upperdir
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13340 Comm: syz-executor1 Not tainted 4.20.0-rc1-next-20181109+ #110
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:keyctl_pkey_params_parse security/keys/keyctl_pkey.c:56 [inline]
RIP: 0010:keyctl_pkey_params_get+0x2e7/0x550 security/keys/keyctl_pkey.c:96
Code: fe 48 8b 44 24 38 48 c1 e8 03 42 80 3c 28 00 0f 85 f7 01 00 00 4c 8b a4 24 e0 00 00 00 4c 89 e0 4c 89 e2 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 e0 01 00 00 41 0f b6 04 24
RSP: 0018:ffff880179d57a90 EFLAGS: 00010206
RAX: 0000000000000000 RBX: ffff880179d57d60 RCX: ffffc900081df000
RDX: 0000000000000005 RSI: ffffffff8344bcae RDI: 0000000000000001
RBP: ffff880179d57c00 R08: ffff880183132000 R09: ffffed00397e00a0
R10: ffffed00397e00a0 R11: 0000000000000005 R12: 0000000000000005
R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff
FS:  00007f76fc995700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2af3c3cc50 CR3: 00000001d9198000 CR4: 00000000001406e0
Call Trace:
 keyctl_pkey_params_get_2+0x12f/0x580 security/keys/keyctl_pkey.c:130
 keyctl_pkey_e_d_s+0xb0/0x4f0 security/keys/keyctl_pkey.c:218
 __do_sys_keyctl security/keys/keyctl.c:1760 [inline]
 __se_sys_keyctl security/keys/keyctl.c:1637 [inline]
 __x64_sys_keyctl+0x12f/0x430 security/keys/keyctl.c:1637
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457569
Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f76fc994c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569
RDX: 00000000200003c0 RSI: 0000000020000600 RDI: 0000000000000019
RBP: 000000000072c040 R08: 0000000020000280 R09: 0000000000000000
R10: 000000000000006b R11: 0000000000000246 R12: 00007f76fc9956d4
R13: 00000000004c27af R14: 00000000004d3bd0 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop3' (00000000ab188840): kobject_uevent_env
kobject: 'loop3' (00000000ab188840): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop3' (00000000ab188840): kobject_uevent_env
---[ end trace 3963f379e665afd1 ]---
kobject: 'loop3' (00000000ab188840): fill_kobj_path: path = '/devices/virtual/block/loop3'
RIP: 0010:keyctl_pkey_params_parse security/keys/keyctl_pkey.c:56 [inline]
RIP: 0010:keyctl_pkey_params_get+0x2e7/0x550 security/keys/keyctl_pkey.c:96
kobject: 'loop5' (00000000039d7575): kobject_uevent_env
kobject: 'loop5' (00000000039d7575): fill_kobj_path: path = '/devices/virtual/block/loop5'
Code: fe 48 8b 44 24 38 48 c1 e8 03 42 80 3c 28 00 0f 85 f7 01 00 00 4c 8b a4 24 e0 00 00 00 4c 89 e0 4c 89 e2 48 c1 e8 03 83 e2 07 <42> 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 e0 01 00 00 41 0f b6 04 24
kobject: 'loop4' (000000002a4cc8ea): kobject_uevent_env
kobject: 'loop4' (000000002a4cc8ea): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop3' (00000000ab188840): kobject_uevent_env
RSP: 0018:ffff880179d57a90 EFLAGS: 00010206
kobject: 'loop3' (00000000ab188840): fill_kobj_path: path = '/devices/virtual/block/loop3'
RAX: 0000000000000000 RBX: ffff880179d57d60 RCX: ffffc900081df000
kobject: 'loop2' (00000000e9413214): kobject_uevent_env
kobject: 'loop2' (00000000e9413214): fill_kobj_path: path = '/devices/virtual/block/loop2'
RDX: 0000000000000005 RSI: ffffffff8344bcae RDI: 0000000000000001
RBP: ffff880179d57c00 R08: ffff880183132000 R09: ffffed00397e00a0
R10: ffffed00397e00a0 R11: 0000000000000005 R12: 0000000000000005
kobject: 'loop4' (000000002a4cc8ea): kobject_uevent_env
R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff
kobject: 'loop4' (000000002a4cc8ea): fill_kobj_path: path = '/devices/virtual/block/loop4'
FS:  00007f76fc995700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff466c9f110 CR3: 00000001d9198000 CR4: 00000000001406e0