bridge0: port 3(team0) entered blocking state
bridge0: port 3(team0) entered forwarding state
device team0 left promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
BUG: unable to handle kernel NULL pointer dereference at 00000000000000fc
bridge0: port 3(team0) entered disabled state
IP: qlink_to_object mm/kasan/quarantine.c:136 [inline]
IP: qlink_free mm/kasan/quarantine.c:141 [inline]
IP: qlist_free_all+0x28/0x140 mm/kasan/quarantine.c:166
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 4626 Comm: systemd-udevd Not tainted 4.14.232-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809cae21c0 task.stack: ffff88809cae8000
RIP: 0010:qlink_to_object mm/kasan/quarantine.c:136 [inline]
RIP: 0010:qlink_free mm/kasan/quarantine.c:141 [inline]
RIP: 0010:qlist_free_all+0x28/0x140 mm/kasan/quarantine.c:166
RSP: 0018:ffff88809caef9e8 EFLAGS: 00010246
RAX: ffffea0000000000 RBX: ffff888000000000 RCX: ffffea000000001f
RDX: 0000000000000000 RSI: ffff88809cae2a48 RDI: ffff888000000000
RBP: 0000000000000000 R08: 00000000014f5100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888000000000
R13: ffff88809caefa20 R14: 0000000000000000 R15: 0000000000000286
FS:  00007f818dcb18c0(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000000000fc CR3: 000000009c56a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 quarantine_reduce+0x185/0x200 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:536
 slab_post_alloc_hook mm/slab.h:442 [inline]
 slab_alloc mm/slab.c:3390 [inline]
 kmem_cache_alloc+0x111/0x3c0 mm/slab.c:3550
 getname_flags+0xc8/0x550 fs/namei.c:138
 user_path_at_empty+0x2a/0x50 fs/namei.c:2631
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0xd1/0x180 fs/stat.c:185
 vfs_lstat include/linux/fs.h:3070 [inline]
 SYSC_newlstat fs/stat.c:350 [inline]
 SyS_newlstat+0x83/0xe0 fs/stat.c:344
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f818cb23335
RSP: 002b:00007ffca2346bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 000055c21fb1a8b0 RCX: 00007f818cb23335
RDX: 00007ffca2346bf0 RSI: 00007ffca2346bf0 RDI: 000055c21fb198b0
RBP: 00007ffca2346cb0 R08: 00007f818cde21b8 R09: 0000000000001010
R10: 00007f818cde1b58 R11: 0000000000000246 R12: 000055c21fb198b0
R13: 000055c21fb198ca R14: 000055c21fb15e45 R15: 000055c21fb15e4a
Code: 90 90 90 41 57 41 56 41 55 41 54 55 53 48 8b 1f 48 85 db 0f 84 08 01 00 00 48 89 f5 49 89 fd 48 85 ed 49 89 ee 0f 84 8b 00 00 00 <49> 63 86 fc 00 00 00 4c 8b 23 48 29 c3 48 83 3d 53 c3 71 07 00 
RIP: qlink_to_object mm/kasan/quarantine.c:136 [inline] RSP: ffff88809caef9e8
RIP: qlink_free mm/kasan/quarantine.c:141 [inline] RSP: ffff88809caef9e8
RIP: qlist_free_all+0x28/0x140 mm/kasan/quarantine.c:166 RSP: ffff88809caef9e8
CR2: 00000000000000fc
bond0: team0 is up - this may be due to an out of date ifenslave
---[ end trace 21bbecc34ccb1df4 ]---