TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
QAT: Invalid ioctl
==================================================================
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+0x313/0x3b0 kernel/padata.c:74
Write of size 8 at addr ffff88802f0e9c58 by task kworker/0:3/7129

CPU: 0 PID: 7129 Comm: kworker/0:3 Not tainted 4.14.124 #18
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: pencrypt padata_parallel_worker
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 print_address_description.cold+0x7c/0x1dc mm/kasan/report.c:252
 kasan_report_error mm/kasan/report.c:351 [inline]
 kasan_report mm/kasan/report.c:409 [inline]
 kasan_report.cold+0xa9/0x2af mm/kasan/report.c:393
 __asan_report_store8_noabort+0x17/0x20 mm/kasan/report.c:435
 list_replace include/linux/list.h:141 [inline]
 list_replace_init include/linux/list.h:149 [inline]
 padata_parallel_worker+0x313/0x3b0 kernel/padata.c:74
 process_one_work+0x863/0x1600 kernel/workqueue.c:2114
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404

Allocated by task 29789:
 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59
 save_stack+0x45/0xd0 mm/kasan/kasan.c:447
BUG: unable to handle kernel 
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_kmalloc mm/kasan/kasan.c:551 [inline]
 kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:529
paging request
 __do_kmalloc mm/slab.c:3720 [inline]
 __kmalloc+0x15d/0x7a0 mm/slab.c:3729
 at ffffffffffffffc8
 kmalloc include/linux/slab.h:493 [inline]
 kzalloc include/linux/slab.h:661 [inline]
 tls_push_record+0x10a/0x1210 net/tls/tls_sw.c:250
IP: crypto_aead_encrypt include/crypto/aead.h:330 [inline]
IP: pcrypt_aead_enc+0x80/0x100 crypto/pcrypt.c:143
 tls_sw_sendmsg+0x9e8/0x1020 net/tls/tls_sw.c:457
PGD 766d067 
 inet_sendmsg+0x122/0x500 net/ipv4/af_inet.c:762
P4D 766d067 
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
PUD 766f067 
 SYSC_sendto+0x206/0x310 net/socket.c:1763
PMD 0 
 SyS_sendto+0x40/0x50 net/socket.c:1731
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
Oops: 0000 [#1] PREEMPT SMP KASAN
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
Modules linked in:

Freed by task 29789:
 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59
CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.124 #18
 save_stack+0x45/0xd0 mm/kasan/kasan.c:447
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_slab_free+0x75/0xc0 mm/kasan/kasan.c:524
Workqueue: pencrypt padata_parallel_worker
 __cache_free mm/slab.c:3496 [inline]
 kfree+0xcc/0x270 mm/slab.c:3815
task: ffff8880a9e4c600 task.stack: ffff8880a9e58000
 tls_push_record+0xc03/0x1210 net/tls/tls_sw.c:293
RIP: 0010:crypto_aead_encrypt include/crypto/aead.h:330 [inline]
RIP: 0010:pcrypt_aead_enc+0x80/0x100 crypto/pcrypt.c:143
 tls_sw_sendmsg+0x9e8/0x1020 net/tls/tls_sw.c:457
RSP: 0018:ffff8880a9e5fc80 EFLAGS: 00010246
 inet_sendmsg+0x122/0x500 net/ipv4/af_inet.c:762
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff82b52a5e
 SYSC_sendto+0x206/0x310 net/socket.c:1763
RDX: 1ffffffffffffff9 RSI: 0000000000000008 RDI: ffff88808a3980c8
 SyS_sendto+0x40/0x50 net/socket.c:1731
RBP: ffff8880a9e5fca0 R08: ffff8880a9e4c600 R09: 0000000000000002
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
R10: 0000000000000000 R11: ffff8880a9e4c600 R12: ffff88808a398090
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
R13: ffff88808a3980c8 R14: ffff8880a9e5fcf0 R15: ffff88808a398098

FS:  0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
The buggy address belongs to the object at ffff88802f0e9c00
 which belongs to the cache kmalloc-256 of size 256
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
The buggy address is located 88 bytes inside of
 256-byte region [ffff88802f0e9c00, ffff88802f0e9d00)
CR2: ffffffffffffffc8 CR3: 000000009780c000 CR4: 00000000001406e0
The buggy address belongs to the page:
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
page:ffffea0000bc3a40 count:1 mapcount:0 mapping:ffff88802f0e90c0 index:0x0
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
flags: 0x1fffc0000000100(slab)
 padata_parallel_worker+0x24a/0x3b0 kernel/padata.c:85
raw: 01fffc0000000100 ffff88802f0e90c0 0000000000000000 000000010000000c
raw: ffffea00022ab9e0 ffffea00026e5820 ffff8880aa8007c0 0000000000000000
page dumped because: kasan: bad access detected
 process_one_work+0x863/0x1600 kernel/workqueue.c:2114

Memory state around the buggy address:
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 ffff88802f0e9b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 kthread+0x319/0x430 kernel/kthread.c:232
 ffff88802f0e9b80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88802f0e9c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
 ffff88802f0e9c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
Code: 
 ffff88802f0e9d00: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
3c 02 
==================================================================
00