audit: type=1400 audit(1555564375.790:38): avc:  denied  { ioctl } for  pid=7128 comm="syz-executor139" path="socket:[26289]" dev="sockfs" ino=26289 ioctlcmd=0x8990 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
------------[ cut here ]------------
kernel BUG at ./include/linux/scatterlist.h:124!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 7135 Comm: syz-executor139 Not tainted 4.14.112 #2
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888093b02100 task.stack: ffff888099170000
RIP: 0010:sg_page include/linux/scatterlist.h:124 [inline]
RIP: 0010:gcmaes_decrypt.constprop.0+0x91c/0xd30 arch/x86/crypto/aesni-intel_glue.c:828
RSP: 0018:ffff8880991777d8 EFLAGS: 00010297
RAX: ffff888093b02100 RBX: ffff88808cfb9148 RCX: 0000000087654321
RDX: 0000000000000000 RSI: 1ffff110119f71ba RDI: ffff88808cfb8de4
RBP: ffff8880991778b0 R08: ffff88808cfb9720 R09: ffffed101322ef1e
R10: ffffed101322ef1d R11: ffff8880991778eb R12: ffffea00025a0f82
R13: ffff88808cfb917c R14: 0000000000000010 R15: ffff88808ba3f700
FS:  00000000014db880(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000008cdce000 CR4: 00000000001406f0
Call Trace:
 generic_gcmaes_decrypt+0xf4/0x130 arch/x86/crypto/aesni-intel_glue.c:1126
 crypto_aead_decrypt include/crypto/aead.h:362 [inline]
 gcmaes_wrapper_decrypt+0x168/0x200 arch/x86/crypto/aesni-intel_glue.c:961
 crypto_aead_decrypt include/crypto/aead.h:362 [inline]
 _aead_recvmsg crypto/algif_aead.c:316 [inline]
 aead_recvmsg+0x827/0x1da0 crypto/algif_aead.c:335
 sock_recvmsg_nosec+0x8c/0xb0 net/socket.c:819
 ___sys_recvmsg+0x221/0x4d0 net/socket.c:2221
 __sys_recvmmsg+0x226/0x6b0 net/socket.c:2329
 SYSC_recvmmsg net/socket.c:2410 [inline]
 SyS_recvmmsg+0xb0/0x140 net/socket.c:2394
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x446189
RSP: 002b:00007ffe191d14b8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446189
RDX: 0000000000000871 RSI: 0000000020002480 RDI: 000000000000000a
RBP: 0000000000006f6c R08: 00000000200001c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004033d0
R13: 0000000000403460 R14: 0000000000000000 R15: 0000000000000000
Code: 0f 0b e8 98 09 2e 00 0f 0b e8 91 09 2e 00 0f 0b e8 8a 09 2e 00 0f 0b e8 83 09 2e 00 e8 ea 74 d1 ff e9 63 ff ff ff e8 74 09 2e 00 <0f> 0b e8 6d 09 2e 00 0f 0b 4c 89 85 58 ff ff ff e8 5f 09 2e 00 
RIP: sg_page include/linux/scatterlist.h:124 [inline] RSP: ffff8880991777d8
RIP: gcmaes_decrypt.constprop.0+0x91c/0xd30 arch/x86/crypto/aesni-intel_glue.c:828 RSP: ffff8880991777d8
---[ end trace 6877b8ec83cb57fc ]---