BUG: unable to handle kernel NULL pointer dereference at           (null)
IP:           (null)
PGD 215647067 P4D 215647067 PUD 1e3ddd067 PMD 0 
Oops: 0010 [#1] SMP
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 9393 Comm: syz-executor4 Not tainted 4.15.0-rc3-next-20171214+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:          (null)
RSP: 0018:ffffc900011a7e60 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801e3cb6200 RCX: ffffffff816783d1
RDX: 00000000000000b9 RSI: ffff8801e3d6a0c0 RDI: ffff8801e3cb6200
RBP: ffffc900011a7e98 R08: 0000000000000000 R09: 0000000000000001
R10: ffffc900011a7df8 R11: 0000000000000000 R12: ffff8801e3d6a0c0
R13: 00000000000000b9 R14: ffff8801e3f10c50 R15: 0000000000000000
FS:  00007f31de05b700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001e2112000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 aead_setkey+0x25/0x40 crypto/algif_aead.c:528
 alg_setkey crypto/af_alg.c:221 [inline]
 alg_setsockopt+0x140/0x180 crypto/af_alg.c:254
 SYSC_setsockopt net/socket.c:1829 [inline]
 SyS_setsockopt+0x8a/0x100 net/socket.c:1808
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f31de05ac58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39
RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000013
RBP: 000000000000001a R08: 00000000000000b9 R09: 0000000000000000
R10: 0000000020f3bf47 R11: 0000000000000212 R12: 00000000006ee310
R13: 00000000ffffffff R14: 00007f31de05b6d4 R15: 0000000000000000
Code:  Bad RIP value.
RIP:           (null) RSP: ffffc900011a7e60
CR2: 0000000000000000
---[ end trace ea2704350a33bb8a ]---
print_req_error: 45 callbacks suppressed
print_req_error: I/O error, dev loop6, sector 0
print_req_error: I/O error, dev loop6, sector 0
buffer_io_error: 44 callbacks suppressed
Buffer I/O error on dev loop6, logical block 0, async page read
kvm [9391]: vcpu0, guest rIP: 0x0 Hyper-V uhandled wrmsr: 0x40000087 data 0xaa4
device gre0 entered promiscuous mode
print_req_error: I/O error, dev loop6, sector 0
Buffer I/O error on dev loop6, logical block 0, async page read
print_req_error: I/O error, dev loop6, sector 0
print_req_error: I/O error, dev loop6, sector 0
Buffer I/O error on dev loop6, logical block 0, async page read
print_req_error: I/O error, dev loop6, sector 0
Buffer I/O error on dev loop6, logical block 0, async page read
print_req_error: I/O error, dev loop6, sector 0
Buffer I/O error on dev loop6, logical block 0, async page read
print_req_error: I/O error, dev loop6, sector 0
Buffer I/O error on dev loop6, logical block 0, async page read
print_req_error: I/O error, dev loop6, sector 0
Buffer I/O error on dev loop6, logical block 0, async page read
print_req_error: I/O error, dev loop6, sector 0
Buffer I/O error on dev loop6, logical block 0, async page read
Buffer I/O error on dev loop6, logical block 0, async page read
Buffer I/O error on dev loop6, logical block 0, async page read
kvm [9391]: vcpu0, guest rIP: 0x0 Hyper-V uhandled wrmsr: 0x40000087 data 0xaa4
BUG: unable to handle kernel NULL pointer dereference at           (null)
IP:           (null)
PGD 215647067 P4D 215647067 PUD 1e3ddd067 PMD 0 
Oops: 0010 [#2] SMP
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 9472 Comm: syz-executor4 Tainted: G      D          4.15.0-rc3-next-20171214+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:          (null)
RSP: 0018:ffffc900012b7e60 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff880216687300 RCX: ffffffff816783d1
RDX: 00000000000000b9 RSI: ffff88020de1ad80 RDI: ffff880216687300
RBP: ffffc900012b7e98 R08: 0000000000000000 R09: ffffffff813942f2
R10: ffffc900012b7df8 R11: 0000000000000000 R12: ffff88020de1ad80
R13: 00000000000000b9 R14: ffff8801e3f10c50 R15: 0000000000000000
FS:  00007f31ddf53700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001e2112000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 aead_setkey+0x25/0x40 crypto/algif_aead.c:528
 alg_setkey crypto/af_alg.c:221 [inline]
 alg_setsockopt+0x140/0x180 crypto/af_alg.c:254
 SYSC_setsockopt net/socket.c:1829 [inline]
 SyS_setsockopt+0x8a/0x100 net/socket.c:1808
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f31ddf52c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00000000007585e0 RCX: 0000000000452a39
RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000017
RBP: 000000000000042c R08: 00000000000000b9 R09: 0000000000000000
R10: 0000000020f3bf47 R11: 0000000000000212 R12: 00000000006f44c0
R13: 00000000ffffffff R14: 00007f31ddf536d4 R15: 0000000000000015
Code:  Bad RIP value.
RIP:           (null) RSP: ffffc900012b7e60
CR2: 0000000000000000
---[ end trace ea2704350a33bb8b ]---