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: 9917 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #287
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:memcmp+0x28/0x160 lib/string.c:856
Code: 00 00 48 85 d2 0f 84 0a 01 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 f9 48 89 e5 48 c1 e9 03 41 54 53 48 89 fb 48 83 ec 18 <0f> b6 04 01 48 89 f9 83 e1 07 38 c8 7f 08 84 c0 0f 85 98 00 00 00
RSP: 0018:ffff8801b85bef98 EFLAGS: 00010292
RAX: dffffc0000000000 RBX: 1ffff100370b7e4f RCX: 03fffe2006e16fc9
IPVS: ftp: loaded support on port[0] = 21
RDX: 0000000000000002 RSI: ffffffff883ba280 RDI: 1ffff100370b7e4f
RBP: ffff8801b85befc0 R08: ffff8801ba6e8040 R09: ffffed003b5e4732
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: 0000000000000002
R13: ffffffff883ba280 R14: 1fff7901ef67719f R15: dffffc0000000000
FS:  00007fa2fa1b2700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
kobject: 'lo' (00000000c831b820): kobject_add_internal: parent: 'net', set: 'devices'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fe27000 CR3: 00000001c031d000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 strnstr+0x4b/0x70 lib/string.c:934
kobject: 'loop5' (00000000155b6e7f): kobject_uevent_env
 __aa_lookupn_ns+0xc1/0x570 security/apparmor/policy_ns.c:209
kobject: 'lo' (00000000c831b820): kobject_uevent_env
kobject: 'lo' (00000000c831b820): fill_kobj_path: path = '/devices/virtual/net/lo'
kobject: 'loop5' (00000000155b6e7f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000003ee71478): kobject_uevent_env
kobject: 'queues' (000000007632a13f): kobject_add_internal: parent: 'lo', set: '<NULL>'
 aa_lookupn_ns+0x88/0x1e0 security/apparmor/policy_ns.c:240
 aa_fqlookupn_profile+0x1b9/0x1010 security/apparmor/policy.c:468
kobject: 'loop0' (000000003ee71478): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'queues' (000000007632a13f): kobject_uevent_env
 fqlookupn_profile+0x80/0xc0 security/apparmor/label.c:1844
 aa_label_strn_parse+0xa3a/0x1230 security/apparmor/label.c:1908
kobject: 'queues' (000000007632a13f): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (00000000976ff2cb): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000976ff2cb): kobject_uevent_env
 aa_label_parse+0x42/0x50 security/apparmor/label.c:1943
 aa_change_profile+0x513/0x3260 security/apparmor/domain.c:1362
kobject: 'rx-0' (00000000976ff2cb): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0'
kobject: 'tx-0' (00000000d359bce3): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (00000000d359bce3): kobject_uevent_env
kobject: 'tx-0' (00000000d359bce3): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0'
kobject: 'tunl0' (000000002849a1d1): kobject_add_internal: parent: 'net', set: 'devices'
 apparmor_setprocattr+0xaa4/0x1150 security/apparmor/lsm.c:658
kobject: 'tunl0' (000000002849a1d1): kobject_uevent_env
 security_setprocattr+0x66/0xc0 security/security.c:1298
 proc_pid_attr_write+0x301/0x540 fs/proc/base.c:2569
 __vfs_write+0x119/0x9f0 fs/read_write.c:485
kobject: 'loop5' (00000000155b6e7f): kobject_uevent_env
kobject: 'tunl0' (000000002849a1d1): fill_kobj_path: path = '/devices/virtual/net/tunl0'
 vfs_write+0x1fc/0x560 fs/read_write.c:549
 ksys_write+0x101/0x260 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
kobject: 'loop5' (00000000155b6e7f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'queues' (00000000a136abae): kobject_add_internal: parent: 'tunl0', set: '<NULL>'
kobject: 'loop0' (000000003ee71478): kobject_uevent_env
kobject: 'queues' (00000000a136abae): kobject_uevent_env
kobject: 'queues' (00000000a136abae): kobject_uevent_env: filter function caused the event to drop!
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
kobject: 'loop0' (000000003ee71478): fill_kobj_path: path = '/devices/virtual/block/loop0'
RIP: 0033:0x457569
kobject: 'rx-0' (00000000718d8410): kobject_add_internal: parent: 'queues', set: 'queues'
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:00007fa2fa1b1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
kobject: 'rx-0' (00000000718d8410): kobject_uevent_env
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569
RDX: 0000000000000009 RSI: 0000000020000040 RDI: 0000000000000005
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa2fa1b26d4
kobject: 'rx-0' (00000000718d8410): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0'
R13: 00000000004c54ee R14: 00000000004d8e08 R15: 00000000ffffffff
kobject: 'tx-0' (00000000e9ecffa7): kobject_add_internal: parent: 'queues', set: 'queues'
Modules linked in:
---[ end trace c808d2ece4af090f ]---
kobject: 'tx-0' (00000000e9ecffa7): kobject_uevent_env
RIP: 0010:memcmp+0x28/0x160 lib/string.c:856
kobject: 'tx-0' (00000000e9ecffa7): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0'
Code: 00 00 48 85 d2 0f 84 0a 01 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 f9 48 89 e5 48 c1 e9 03 41 54 53 48 89 fb 48 83 ec 18 <0f> b6 04 01 48 89 f9 83 e1 07 38 c8 7f 08 84 c0 0f 85 98 00 00 00
kobject: 'gre0' (00000000186f24f2): kobject_add_internal: parent: 'net', set: 'devices'
RSP: 0018:ffff8801b85bef98 EFLAGS: 00010292
kobject: 'gre0' (00000000186f24f2): kobject_uevent_env
RAX: dffffc0000000000 RBX: 1ffff100370b7e4f RCX: 03fffe2006e16fc9
kobject: 'gre0' (00000000186f24f2): fill_kobj_path: path = '/devices/virtual/net/gre0'
RDX: 0000000000000002 RSI: ffffffff883ba280 RDI: 1ffff100370b7e4f
kobject: 'queues' (00000000b87ead2f): kobject_add_internal: parent: 'gre0', set: '<NULL>'
kobject: 'kvm' (0000000013ebef63): kobject_uevent_env
kobject: 'queues' (00000000b87ead2f): kobject_uevent_env
RBP: ffff8801b85befc0 R08: ffff8801ba6e8040 R09: ffffed003b5e4732
kobject: 'queues' (00000000b87ead2f): kobject_uevent_env: filter function caused the event to drop!
R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: 0000000000000002
kobject: 'rx-0' (00000000a0425a8c): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'kvm' (0000000013ebef63): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'rx-0' (00000000a0425a8c): kobject_uevent_env
R13: ffffffff883ba280 R14: 1fff7901ef67719f R15: dffffc0000000000
kobject: 'rx-0' (00000000a0425a8c): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0'
FS:  00007fa2fa1b2700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
kobject: 'tx-0' (0000000003d94519): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (0000000003d94519): kobject_uevent_env
kobject: 'tx-0' (0000000003d94519): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0'
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'gretap0' (000000000e80471f): kobject_add_internal: parent: 'net', set: 'devices'
CR2: 0000000000000000 CR3: 00000001c031d000 CR4: 00000000001426e0
kobject: 'gretap0' (000000000e80471f): kobject_uevent_env
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop4' (000000007d4ef353): kobject_uevent_env
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'gretap0' (000000000e80471f): fill_kobj_path: path = '/devices/virtual/net/gretap0'