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: 0 PID: 10966 Comm: syz-executor0 Not tainted 4.20.0-rc7+ #161
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
------------[ cut here ]------------
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
downgrading a read lock
WARNING: CPU: 1 PID: 10984 at kernel/locking/lockdep.c:3556 __lock_downgrade kernel/locking/lockdep.c:3556 [inline]
WARNING: CPU: 1 PID: 10984 at kernel/locking/lockdep.c:3556 lock_downgrade+0x4d7/0x900 kernel/locking/lockdep.c:3819
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
Kernel panic - not syncing: panic_on_warn set ...
RSP: 0018:ffff8881aad47a90 EFLAGS: 00010206
RAX: 0000000000000000 RBX: ffff8881aad47d60 RCX: ffffc90012ed6000
RDX: 0000000000000005 RSI: ffffffff8342bcae RDI: 0000000000000001
RBP: ffff8881aad47c00 R08: ffff8881beab0040 R09: ffffed1030b02570
R10: ffffed1030b02570 R11: 0000000000000001 R12: 0000000000000005
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fe1d9e42700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004efcb8 CR3: 00000001d85c2000 CR4: 00000000001406f0
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: 0033:0x457669
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:00007fe1d9e41c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457669
RDX: 0000000020000080 RSI: 0000000020d65542 RDI: 0000000000000019
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007fe1d9e426d4
R13: 00000000004c2bec R14: 00000000004d4cf8 R15: 00000000ffffffff
Modules linked in:
Kernel Offset: disabled
Rebooting in 86400 seconds..