TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 698 Comm: kworker/u4:7 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: pencrypt_parallel padata_parallel_worker
RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:68 [inline]
RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:93 [inline]
RIP: 0010:scatterwalk_done include/crypto/scatterwalk.h:101 [inline]
RIP: 0010:gcmaes_crypt_by_sg.constprop.10+0x114c/0x17f0 arch/x86/crypto/aesni-intel_glue.c:786
Code: 00 00 4c 8b 94 24 a8 00 00 00 e9 a3 fd ff ff 4c 89 ff e8 77 0a d5 01 49 89 c7 48 8d 40 08 48 89 84 24 90 00 00 00 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 76 05 00 00 41 8b 47 08 45
RSP: 0000:ffff8881d8117790 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 1ffff11036ab4a4b RSI: ffff8881b55a5264 RDI: ffff8881b55a5258
RBP: ffff8881d8117b60 R08: ffff8881b55a5650 R09: 000000000000000d
R10: 000000000000000d R11: ffff8881b55a530c R12: 0000000000004000
R13: ffff8881b55a5300 R14: dffffc0000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f153c357320 CR3: 00000001d24ca000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 gcmaes_encrypt arch/x86/crypto/aesni-intel_glue.c:840 [inline]
 generic_gcmaes_encrypt+0x102/0x160 arch/x86/crypto/aesni-intel_glue.c:1019
 crypto_aead_encrypt+0x98/0xd0 crypto/aead.c:94
 simd_aead_encrypt+0x1c6/0x260 crypto/simd.c:335
 crypto_aead_encrypt+0x98/0xd0 crypto/aead.c:94
 pcrypt_aead_enc+0x15/0x70 crypto/pcrypt.c:76
 padata_parallel_worker+0x25d/0x440 kernel/padata.c:81
 process_one_work+0x85b/0x1630 kernel/workqueue.c:2264
 worker_thread+0x85/0xb60 kernel/workqueue.c:2410
 kthread+0x334/0x3f0 kernel/kthread.c:255
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 698 at kernel/locking/mutex.c:1419 mutex_trylock+0x280/0x2f0 kernel/locking/mutex.c:1427