TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
device veth0_vlan entered promiscuous mode
==================================================================
IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready
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:76
BUG: unable to handle kernel paging request
Write of size 8 at addr ffff8880899d2e18 by task kworker/1:3/7367

 at ffffffffffffffc8
IP: crypto_aead_encrypt include/crypto/aead.h:330 [inline]
IP: pcrypt_aead_enc+0x7b/0xf0 crypto/pcrypt.c:142
CPU: 1 PID: 7367 Comm: kworker/1:3 Not tainted 4.14.175-syzkaller #0
PGD 7e6d067 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: pencrypt padata_parallel_worker
P4D 7e6d067 
PUD 7e6f067 
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xf7/0x13b lib/dump_stack.c:58
PMD 0 
 print_address_description.cold.7+0x9/0x1c9 mm/kasan/report.c:252
Oops: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
 kasan_report_error mm/kasan/report.c:351 [inline]
 kasan_report.cold.8+0x11a/0x2d3 mm/kasan/report.c:409
 __asan_report_store8_noabort+0x17/0x20 mm/kasan/report.c:435
CPU: 0 PID: 2865 Comm: kworker/0:2 Not tainted 4.14.175-syzkaller #0
 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:76
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: pencrypt padata_parallel_worker
 process_one_work+0x79e/0x16c0 kernel/workqueue.c:2116
task: ffff88809eb16280 task.stack: ffff88809eb48000
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
RIP: 0010:crypto_aead_encrypt include/crypto/aead.h:330 [inline]
RIP: 0010:pcrypt_aead_enc+0x7b/0xf0 crypto/pcrypt.c:142
 kthread+0x338/0x400 kernel/kthread.c:232
RSP: 0018:ffff88809eb4fc90 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff8880a7b6a110 RCX: ffffffff82e4f85e
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
RDX: 1ffffffffffffff9 RSI: 0000000000000008 RDI: ffff8880a7b6a148

RBP: ffff88809eb4fcb0 R08: 0000000000000001 R09: 0000000000000000
Allocated by task 7744:
R10: 0000000000000050 R11: ffff88809eb16280 R12: 0000000000000000
 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59
R13: ffff8880a7b6a148 R14: ffff88809eb4fcf8 R15: 1ffff11013d69f9b
 save_stack+0x43/0xd0 mm/kasan/kasan.c:447
FS:  0000000000000000(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:551
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 __do_kmalloc mm/slab.c:3720 [inline]
 __kmalloc+0x15b/0x7b0 mm/slab.c:3729
CR2: ffffffffffffffc8 CR3: 00000000a5058000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 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
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
 tls_sw_push_pending_record+0xe/0x10 net/tls/tls_sw.c:299
Call Trace:
 tls_push_pending_closed_record+0xc5/0x120 net/tls/tls_main.c:205
 padata_parallel_worker+0x24e/0x420 kernel/padata.c:87
 tls_complete_pending_work include/net/tls.h:159 [inline]
 tls_sk_proto_close+0x5fa/0x870 net/tls/tls_main.c:269
 inet_release+0xd9/0x1c0 net/ipv4/af_inet.c:425
 process_one_work+0x79e/0x16c0 kernel/workqueue.c:2116
 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:450
 __sock_release+0xc2/0x2a0 net/socket.c:602
 worker_thread+0xcc/0xee0 kernel/workqueue.c:2250
 sock_close+0x10/0x20 net/socket.c:1139
 kthread+0x338/0x400 kernel/kthread.c:232
 __fput+0x232/0x750 fs/file_table.c:210
 ____fput+0x9/0x10 fs/file_table.c:244
 task_work_run+0xe5/0x170 kernel/task_work.c:113
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x16a/0x1b0 arch/x86/entry/common.c:164
Code: 
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x416/0x5b0 arch/x86/entry/common.c:297
00 
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
0f 

85 
Freed by task 7744:
82 
 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59
00 
 save_stack+0x43/0xd0 mm/kasan/kasan.c:447
00 
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_slab_free+0x71/0xc0 mm/kasan/kasan.c:524
 __cache_free mm/slab.c:3496 [inline]
 kfree+0xcc/0x270 mm/slab.c:3815
00 
 tls_push_record+0xd32/0x14c0 net/tls/tls_sw.c:293
48 
 tls_sw_push_pending_record+0xe/0x10 net/tls/tls_sw.c:299
b8 
 tls_push_pending_closed_record+0xc5/0x120 net/tls/tls_main.c:205
00 
 tls_complete_pending_work include/net/tls.h:159 [inline]
 tls_sk_proto_close+0x5fa/0x870 net/tls/tls_main.c:269
 inet_release+0xd9/0x1c0 net/ipv4/af_inet.c:425
00 
 inet6_release+0x46/0x60 net/ipv6/af_inet6.c:450
00 00 
 __sock_release+0xc2/0x2a0 net/socket.c:602
00 
 sock_close+0x10/0x20 net/socket.c:1139
fc 
 __fput+0x232/0x750 fs/file_table.c:210
ff 
 ____fput+0x9/0x10 fs/file_table.c:244
df 
 task_work_run+0xe5/0x170 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x16a/0x1b0 arch/x86/entry/common.c:164
4d 
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x416/0x5b0 arch/x86/entry/common.c:297
8b 
 entry_SYSCALL_64_after_hwframe+0x42/0xb7

64 
The buggy address belongs to the object at ffff8880899d2dc0
 which belongs to the cache kmalloc-256 of size 256
24 
The buggy address is located 88 bytes inside of
 256-byte region [ffff8880899d2dc0, ffff8880899d2ec0)
38 
The buggy address belongs to the page:
49 
page:ffffea0002267480 count:1 mapcount:0 mapping:ffff8880899d2000 index:0x0
8d 
7c 
flags: 0xfffe0000000100(slab)
24 
raw: 00fffe0000000100 ffff8880899d2000 0000000000000000 000000010000000c
c8 
raw: ffffea00029edaa0 ffffea00022448a0 ffff8880aa8007c0 0000000000000000
48 
page dumped because: kasan: bad access detected
89 

fa 
Memory state around the buggy address:
48 
 ffff8880899d2d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
c1 
 ffff8880899d2d80: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
ea 
>ffff8880899d2e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
03 
                            ^
80 
 ffff8880899d2e80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
3c 
 ffff8880899d2f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
02 
==================================================================
00