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: 7978 Comm: syz-executor4 Not tainted 4.20.0-rc5+ #147 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:ffff88817e1c7a90 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff88817e1c7d60 RCX: ffffc9000e037000 RDX: 0000000000000002 RSI: ffffffff8342a84e RDI: 0000000000000001 RBP: ffff88817e1c7c00 R08: ffff8881c30c4140 R09: ffffed103a1eb338 R10: ffffed103a1eb338 R11: 0000000000000004 R12: 0000000000000002 R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff FS: 00007fc487345700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 CR2: 000000000072c000 CR3: 00000001cb90c000 CR4: 00000000001426e0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 keyctl_pkey_params_get_2+0x12f/0x580 security/keys/keyctl_pkey.c:130 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 keyctl_pkey_e_d_s+0xb0/0x4f0 security/keys/keyctl_pkey.c:218 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 __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 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457659 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 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 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 RSP: 002b:00007fc487344c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457659 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 000000000000001b RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000053 R11: 0000000000000246 R12: 00007fc4873456d4 R13: 00000000004c296f R14: 00000000004d41f8 R15: 00000000ffffffff Modules linked in: hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 kobject: 'loop2' (00000000a4e5af27): kobject_uevent_env ---[ end trace 500ae902c5e66e05 ]--- 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:ffff88817e1c7a90 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff88817e1c7d60 RCX: ffffc9000e037000 RDX: 0000000000000002 RSI: ffffffff8342a84e RDI: 0000000000000001 kobject: 'loop2' (00000000a4e5af27): fill_kobj_path: path = '/devices/virtual/block/loop2' RBP: ffff88817e1c7c00 R08: ffff8881c30c4140 R09: ffffed103a1eb338 R10: ffffed103a1eb338 R11: 0000000000000004 R12: 0000000000000002 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 kobject: 'loop1' (00000000e7f77b73): kobject_uevent_env hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 kobject: 'loop1' (00000000e7f77b73): fill_kobj_path: path = '/devices/virtual/block/loop1' hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 FS: 00007fc487345700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 CR2: 00000000004bcb16 CR3: 00000001cb90c000 CR4: 00000000001426e0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 hid-generic 0000:0000:0000.0001: unknown main item tag 0x0