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: 14131 Comm: syz-executor2 Not tainted 4.20.0-rc7+ #377 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:ffff888183ecfa90 EFLAGS: 00010206 RAX: 0000000000000000 RBX: ffff888183ecfd60 RCX: ffffc90009e16000 RDX: 0000000000000005 RSI: ffffffff8342ba8e RDI: 0000000000000001 RBP: ffff888183ecfc00 R08: ffff8881bc91a400 R09: ffffed10396834f0 R10: ffffed10396834f0 R11: 0000000000000001 R12: 0000000000000005 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f06f0c1c700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000047c970 CR3: 00000001d78cb000 CR4: 00000000001426e0 DR0: 000000000000b8c4 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:00007f06f0c1bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457669 RDX: 0000000020000000 RSI: 000000002051c1e5 RDI: 0000000000000019 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f06f0c1c6d4 R13: 00000000004c2bec R14: 00000000004d4cf8 R15: 00000000ffffffff Modules linked in: kobject: 'loop3' (00000000a0857a88): kobject_uevent_env kobject: 'loop3' (00000000a0857a88): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000027b8317a): kobject_uevent_env kobject: 'loop4' (0000000027b8317a): fill_kobj_path: path = '/devices/virtual/block/loop4' ---[ end trace 11aff2803269d560 ]--- kobject: 'loop0' (00000000f8688b83): kobject_uevent_env 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: 'loop0' (00000000f8688b83): fill_kobj_path: path = '/devices/virtual/block/loop0' 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:ffff888183ecfa90 EFLAGS: 00010206 RAX: 0000000000000000 RBX: ffff888183ecfd60 RCX: ffffc90009e16000 RDX: 0000000000000005 RSI: ffffffff8342ba8e RDI: 0000000000000001 kobject: 'loop3' (00000000a0857a88): kobject_uevent_env RBP: ffff888183ecfc00 R08: ffff8881bc91a400 R09: ffffed10396834f0 kobject: 'loop3' (00000000a0857a88): fill_kobj_path: path = '/devices/virtual/block/loop3' R10: ffffed10396834f0 R11: 0000000000000001 R12: 0000000000000005 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 kobject: 'loop4' (0000000027b8317a): kobject_uevent_env FS: 00007f06f0c1c700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 kobject: 'loop4' (0000000027b8317a): fill_kobj_path: path = '/devices/virtual/block/loop4' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'kvm' (00000000639b17e8): kobject_uevent_env CR2: 0000000000708158 CR3: 00000001d78cb000 CR4: 00000000001426e0 kobject: 'loop0' (00000000f8688b83): kobject_uevent_env kobject: 'kvm' (00000000639b17e8): kobject_uevent_env kobject: 'kvm' (00000000639b17e8): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000f8688b83): fill_kobj_path: path = '/devices/virtual/block/loop0' DR0: 000000000000b8c4 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'kvm' (00000000639b17e8): fill_kobj_path: path = '/devices/virtual/misc/kvm' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400