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
CPU: 1 PID: 24277 Comm: syz-executor0 Not tainted 4.20.0+ #174
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:ffff888069237aa0 EFLAGS: 00010206
RAX: 0000000000000000 RBX: ffff888069237d60 RCX: ffffc9000bd2d000
RDX: 0000000000000005 RSI: ffffffff8343fcae RDI: 0000000000000001
RBP: ffff888069237c08 R08: ffff888087640500 R09: ffffed1013649a68
R10: ffffed1013649a68 R11: ffff88809b24d347 R12: 0000000000000005
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f2d18cd3700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed26000 CR3: 000000008d202000 CR4: 00000000001406e0
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_verify+0xaa/0x400 security/keys/keyctl_pkey.c:293
 __do_sys_keyctl security/keys/keyctl.c:1767 [inline]
 __se_sys_keyctl security/keys/keyctl.c:1636 [inline]
 __x64_sys_keyctl+0x101/0x430 security/keys/keyctl.c:1636
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4579b9
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:00007f2d18cd2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000004579b9
RDX: 00000000200000c0 RSI: 0000000020000280 RDI: 000000000000001c
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000053 R11: 0000000000000246 R12: 00007f2d18cd36d4
R13: 00000000004c3346 R14: 00000000004d5b68 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop2' (00000000775930a2): kobject_uevent_env
kobject: 'loop2' (00000000775930a2): fill_kobj_path: path = '/devices/virtual/block/loop2'
---[ end trace 8c0d3ba389b3ca13 ]---
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: 'loop2' (00000000775930a2): kobject_uevent_env
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' (00000000775930a2): fill_kobj_path: path = '/devices/virtual/block/loop2'
RSP: 0018:ffff888069237aa0 EFLAGS: 00010206
RAX: 0000000000000000 RBX: ffff888069237d60 RCX: ffffc9000bd2d000
RDX: 0000000000000005 RSI: ffffffff8343fcae RDI: 0000000000000001
kobject: 'loop2' (00000000775930a2): kobject_uevent_env
RBP: ffff888069237c08 R08: ffff888087640500 R09: ffffed1013649a68
kobject: 'loop2' (00000000775930a2): fill_kobj_path: path = '/devices/virtual/block/loop2'
R10: ffffed1013649a68 R11: ffff88809b24d347 R12: 0000000000000005
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f2d18cd3700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e728000 CR3: 000000008d202000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400