kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 23965 Comm: syz-executor0 Not tainted 4.20.0 #167
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+0x2e7/0x560 security/keys/keyctl_pkey.c:96
Code: fe 48 8b 44 24 38 48 c1 e8 03 42 80 3c 28 00 0f 85 f8 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 e1 01 00 00 41 0f b6 04 24
RSP: 0018:ffff888182977a90 EFLAGS: 00010206
RAX: 03fffe22060a5df0 RBX: ffff888182977d60 RCX: ffffc90005e85000
RDX: 0000000000000005 RSI: ffffffff833f0cbe RDI: 0000000000000001
RBP: ffff888182977c00 R08: ffff88817b2ea500 R09: ffffed103ae844e8
R10: ffffed103ae844e8 R11: 0000000000000004 R12: 1ffff1103052ef85
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f1a578fd700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005568166b5a98 CR3: 00000001d16d8000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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: 0033:0x457759
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:00007f1a578fcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457759
RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 000000000000001b
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000053 R11: 0000000000000246 R12: 00007f1a578fd6d4
R13: 00000000004c2f89 R14: 00000000004d56e8 R15: 00000000ffffffff
Modules linked in:
---[ end trace 659552745585a516 ]---
RIP: 0010:keyctl_pkey_params_parse security/keys/keyctl_pkey.c:56 [inline]
RIP: 0010:keyctl_pkey_params_get+0x2e7/0x560 security/keys/keyctl_pkey.c:96
kobject: 'loop4' (00000000b3f95044): kobject_uevent_env
kobject: 'loop4' (00000000b3f95044): fill_kobj_path: path = '/devices/virtual/block/loop4'
Code: fe 48 8b 44 24 38 48 c1 e8 03 42 80 3c 28 00 0f 85 f8 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 e1 01 00 00 41 0f b6 04 24
kobject: 'loop2' (00000000c542b4cd): kobject_uevent_env
kobject: 'loop2' (00000000c542b4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (000000004cfeac7c): kobject_uevent_env
kobject: 'loop5' (000000004cfeac7c): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (00000000c542b4cd): kobject_uevent_env
kobject: 'loop2' (00000000c542b4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (00000000b3f95044): kobject_uevent_env
RSP: 0018:ffff888182977a90 EFLAGS: 00010206
kobject: 'loop4' (00000000b3f95044): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop1' (00000000a8b59a0f): kobject_uevent_env
kobject: 'loop1' (00000000a8b59a0f): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000c542b4cd): kobject_uevent_env
kobject: 'loop2' (00000000c542b4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000ad2ba0ec): kobject_uevent_env
kobject: 'loop3' (00000000ad2ba0ec): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (000000004cfeac7c): kobject_uevent_env
RAX: 03fffe22060a5df0 RBX: ffff888182977d60 RCX: ffffc90005e85000
kobject: 'loop5' (000000004cfeac7c): fill_kobj_path: path = '/devices/virtual/block/loop5'
RDX: 0000000000000005 RSI: ffffffff833f0cbe RDI: 0000000000000001
kobject: 'loop2' (00000000c542b4cd): kobject_uevent_env
RBP: ffff888182977c00 R08: ffff88817b2ea500 R09: ffffed103ae844e8
kobject: 'loop2' (00000000c542b4cd): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000ad2ba0ec): kobject_uevent_env
R10: ffffed103ae844e8 R11: 0000000000000004 R12: 1ffff1103052ef85
kobject: 'loop3' (00000000ad2ba0ec): fill_kobj_path: path = '/devices/virtual/block/loop3'
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f1a578fd700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000001d16d8000 CR4: 00000000001426e0
kobject: 'loop1' (00000000a8b59a0f): kobject_uevent_env
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop1' (00000000a8b59a0f): fill_kobj_path: path = '/devices/virtual/block/loop1'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400