8021q: adding VLAN 0 to HW filter on device team0
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(!hlock->nest_lock)
------------[ cut here ]------------
Bad or missing usercopy whitelist? Kernel memory overwrite attempt detected to SLAB object 'task_struct' (offset 1432, size 2)!
WARNING: CPU: 1 PID: 38 at mm/usercopy.c:83 usercopy_warn+0xee/0x110 mm/usercopy.c:78
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 38 Comm: ���ف���d������ Not tainted 4.20.0-rc3+ #317
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
------------[ cut here ]------------
kernel BUG at mm/slab.c:4425!
WARNING: CPU: 1 PID: 38 at kernel/rcu/tree_plugin.h:438 __rcu_read_unlock+0x266/0x2e0 kernel/rcu/tree_plugin.h:432
Modules linked in:
CPU: 1 PID: 38 Comm: ���ف���d������ Not tainted 4.20.0-rc3+ #317
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
usercopy: Kernel memory overwrite attempt detected to SLAB object 'signal_cache' (offset 1328, size 23)!
kasan: CONFIG_KASAN_INLINE enabled
------------[ cut here ]------------
kasan: GPF could be caused by NULL-ptr deref or user memory access
kernel BUG at mm/usercopy.c:102!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 38 Comm: ���ف���d������ Not tainted 4.20.0-rc3+ #317
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:usercopy_abort+0xbb/0xbd mm/usercopy.c:90
Code: c0 e8 f7 ab b1 ff 48 8b 55 c0 49 89 d9 4d 89 f0 ff 75 c8 4c 89 e1 4c 89 ee 48 c7 c7 c0 db 34 88 ff 75 d0 41 57 e8 e7 f7 97 ff <0f> 0b e8 cc ab b1 ff e8 97 13 f5 ff 8b 95 e4 fe ff ff 4c 89 e1 31
RSP: 0018:ffff8881d9b49438 EFLAGS: 00010086
RAX: 0000000000000068 RBX: ffffffff88291020 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8165eae5 RDI: 0000000000000005
RBP: ffff8881d9b49490 R08: ffff8881d9b4a440 R09: ffffed103b5e3ef8
R10: ffffed103b5e3ef8 R11: ffff8881daf1f7c7 R12: ffffffff8915016d
R13: ffffffff8834da20 R14: ffffffff8834d960 R15: ffffffff8834d920
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000130 CR3: 00000001c22f3000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace 5f91947d7e49c020 ]---
general protection fault: 0000 [#2] PREEMPT SMP KASAN
CPU: 0 PID: 17543 Comm: syz-executor072 Tainted: G      D           4.20.0-rc3+ #317
RIP: 0010:usercopy_abort+0xbb/0xbd mm/usercopy.c:90
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mm_update_next_owner+0x4c2/0x990 kernel/exit.c:449
Code: c0 e8 f7 ab b1 ff 48 8b 55 c0 49 89 d9 4d 89 f0 ff 75 c8 4c 89 e1 4c 89 ee 48 c7 c7 c0 db 34 88 ff 75 d0 41 57 e8 e7 f7 97 ff <0f> 0b e8 cc ab b1 ff e8 97 13 f5 ff 8b 95 e4 fe ff ff 4c 89 e1 31
Code: 48 3d c0 6e 47 89 48 89 85 a8 fe ff ff 0f 84 4d 02 00 00 e8 00 23 35 00 48 8b 85 a8 fe ff ff 48 8d 78 24 48 89 f8 48 c1 e8 03 <42> 0f b6 14 30 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85
RSP: 0018:ffff8881d9b49438 EFLAGS: 00010086
RSP: 0018:ffff8881bcc5f600 EFLAGS: 00010207
RAX: 0000000000000068 RBX: ffffffff88291020 RCX: 0000000000000000
RAX: 005fff8000001fca RBX: 0000000000200000 RCX: ffffffff814a6823
RDX: 0000000000000000 RSI: ffffffff8165eae5 RDI: 0000000000000005
RDX: 0000000000000000 RSI: ffffffff814a67e0 RDI: 02fffc000000fe54
RBP: ffff8881d9b49490 R08: ffff8881d9b4a440 R09: ffffed103b5e3ef8
RBP: ffff8881bcc5f7b8 R08: ffff8881c0ce2680 R09: fffffbfff1281218
R10: ffffed103b5e3ef8 R11: ffff8881daf1f7c7 R12: ffffffff8915016d
R13: ffffffff8834da20 R14: ffffffff8834d960 R15: ffffffff8834d920
R10: fffffbfff1281218 R11: ffffffff894090c3 R12: 02fffc0000010200
FS:  0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
R13: ffff8881d9a50040 R14: dffffc0000000000 R15: ffff8881d9a50460
FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000130 CR3: 00000001c22f3000 CR4: 00000000001406e0
CR2: 00000000004cf1b0 CR3: 00000001bf864000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400