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: 25174 Comm: syz-executor1 Not tainted 4.20.0-rc2+ #333 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:ffff8881b4867aa0 EFLAGS: 00010206 RAX: 03fffe2206d219f0 RBX: ffff8881b4867d60 RCX: ffffc900089f7000 RDX: 0000000000000006 RSI: ffffffff8342b63e RDI: 0000000000000001 RBP: ffff8881b4867c08 R08: ffff88817be48200 R09: ffffed1037e7ef88 R10: ffffed1037e7ef88 R11: 0000000000000004 R12: 1ffff1103690cf86 R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff FS: 00007fbc25bd0700(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004ce350 CR3: 00000001bb39b000 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_verify+0xaa/0x400 security/keys/keyctl_pkey.c:293 __do_sys_keyctl security/keys/keyctl.c:1768 [inline] __se_sys_keyctl security/keys/keyctl.c:1637 [inline] __x64_sys_keyctl+0x101/0x430 security/keys/keyctl.c:1637 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 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:00007fbc25bcfc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000fa RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457569 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 000000000000001c RBP: 000000000072bf00 R08: 00000000200001c0 R09: 0000000000000000 R10: 0000000000000053 R11: 0000000000000246 R12: 00007fbc25bd06d4 R13: 00000000004c27af R14: 00000000004d3bd0 R15: 00000000ffffffff Modules linked in: ---[ end trace bf3d9326f59f10a4 ]--- 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 kobject: 'ppp0' (0000000028530528): kobject_add_internal: parent: 'net', set: 'devices' RSP: 0018:ffff8881b4867aa0 EFLAGS: 00010206 RAX: 03fffe2206d219f0 RBX: ffff8881b4867d60 RCX: ffffc900089f7000 kobject: 'ppp0' (0000000028530528): kobject_uevent_env RDX: 0000000000000006 RSI: ffffffff8342b63e RDI: 0000000000000001 RBP: ffff8881b4867c08 R08: ffff88817be48200 R09: ffffed1037e7ef88 R10: ffffed1037e7ef88 R11: 0000000000000004 R12: 1ffff1103690cf86 kobject: 'ppp0' (0000000028530528): fill_kobj_path: path = '/devices/virtual/net/ppp0' R13: dffffc0000000000 R14: ffffffffffffffff R15: ffffffffffffffff kobject: 'queues' (00000000fc3678c7): kobject_add_internal: parent: 'ppp0', set: '' kobject: 'queues' (00000000fc3678c7): kobject_uevent_env kobject: 'queues' (00000000fc3678c7): kobject_uevent_env: filter function caused the event to drop! FS: 00007fbc25bd0700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 kobject: 'rx-0' (000000001e717463): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000001e717463): kobject_uevent_env kobject: 'rx-0' (000000001e717463): fill_kobj_path: path = '/devices/virtual/net/ppp0/queues/rx-0' kobject: 'tx-0' (000000000aad622e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000000aad622e): kobject_uevent_env kobject: 'tx-0' (000000000aad622e): fill_kobj_path: path = '/devices/virtual/net/ppp0/queues/tx-0' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'loop2' (00000000d363bb2b): kobject_uevent_env kobject: 'rx-0' (000000001e717463): kobject_cleanup, parent 00000000fc3678c7 kobject: 'loop2' (00000000d363bb2b): fill_kobj_path: path = '/devices/virtual/block/loop2' CR2: 00000000004ce6f8 CR3: 00000001bb39b000 CR4: 00000000001406e0 kobject: 'rx-0' (000000001e717463): auto cleanup 'remove' event kobject: 'loop4' (000000007b0a6cb3): kobject_uevent_env DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'loop4' (000000007b0a6cb3): fill_kobj_path: path = '/devices/virtual/block/loop4' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'rx-0' (000000001e717463): kobject_uevent_env