IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
BUG: unable to handle kernel NULL pointer dereference at           (null)
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
IP:           (null)
==================================================================
PGD a6251067 
BUG: KASAN: use-after-free in list_replace include/linux/list.h:141 [inline]
BUG: KASAN: use-after-free in list_replace_init include/linux/list.h:149 [inline]
BUG: KASAN: use-after-free in padata_parallel_worker+0x37a/0x420 kernel/padata.c:74
P4D a6251067 
Write of size 8 at addr ffff88808815e758 by task kworker/1:3/6836
PUD 73e64067 

PMD 0 
CPU: 1 PID: 6836 Comm: kworker/1:3 Not tainted 4.14.164-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Oops: 0010 [#1] PREEMPT SMP KASAN
Workqueue: pencrypt padata_parallel_worker
Modules linked in:
Call Trace:
CPU: 0 PID: 3 Comm: kworker/0:0 Not tainted 4.14.164-syzkaller #0
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xf7/0x13b lib/dump_stack.c:58
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: pencrypt padata_serial_worker
 print_address_description.cold.7+0x9/0x1c9 mm/kasan/report.c:252
task: ffff8880a9c6c0c0 task.stack: ffff8880a9c78000
 kasan_report_error mm/kasan/report.c:351 [inline]
 kasan_report.cold.8+0x11a/0x2d3 mm/kasan/report.c:409
RIP: 0010:          (null)
 __asan_report_store8_noabort+0x17/0x20 mm/kasan/report.c:435
RSP: 0018:ffff8880a9c7fc90 EFLAGS: 00010246
 list_replace include/linux/list.h:141 [inline]
 list_replace_init include/linux/list.h:149 [inline]
 padata_parallel_worker+0x37a/0x420 kernel/padata.c:74
RAX: dffffc0000000000 RBX: ffff8880a879e180 RCX: ffff8880a879e1d8
RDX: 1ffff110150f3c32 RSI: 0000000000000000 RDI: ffff8880a879e180
RBP: ffff8880a9c7fca8 R08: 1ffff1101538ffa0 R09: 0000000000000000
R10: ffff8880a9c7f998 R11: ffff8880a9c6c0c0 R12: ffff8880a9c7fd38
 process_one_work+0x79e/0x16c0 kernel/workqueue.c:2114
R13: ffff8882194eb21c R14: ffff8880a9c7fcf8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2248
CR2: 0000000000000000 CR3: 0000000093744000 CR4: 00000000001406f0
 kthread+0x338/0x400 kernel/kthread.c:232
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
 aead_request_complete include/crypto/internal/aead.h:75 [inline]
 pcrypt_aead_serial+0x79/0xb0 crypto/pcrypt.c:123

 padata_serial_worker+0x258/0x440 kernel/padata.c:312
Allocated by task 6846:
 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59
 process_one_work+0x79e/0x16c0 kernel/workqueue.c:2114
 save_stack+0x43/0xd0 mm/kasan/kasan.c:447
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:551
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2248
 __do_kmalloc mm/slab.c:3720 [inline]
 __kmalloc+0x15b/0x7b0 mm/slab.c:3729
 kthread+0x338/0x400 kernel/kthread.c:232
 kmalloc include/linux/slab.h:493 [inline]
 kzalloc include/linux/slab.h:661 [inline]
 tls_push_record+0xf6/0x14c0 net/tls/tls_sw.c:250
 tls_sw_push_pending_record+0xe/0x10 net/tls/tls_sw.c:299
 tls_push_pending_closed_record+0xc5/0x120 net/tls/tls_main.c:205
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
 tls_complete_pending_work include/net/tls.h:159 [inline]
 tls_sk_proto_close+0x56d/0x790 net/tls/tls_main.c:269
Code: 
 inet_release+0xd9/0x1c0 net/ipv4/af_inet.c:425
 Bad RIP value.
 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:450
 __sock_release+0xc2/0x2a0 net/socket.c:602
RIP:           (null) RSP: ffff8880a9c7fc90
 sock_close+0x10/0x20 net/socket.c:1139
CR2: 0000000000000000
 __fput+0x232/0x750 fs/file_table.c:210
---[ end trace 5ecd986d7662870e ]---
 ____fput+0x9/0x10 fs/file_table.c:244