Warning: Permanently added '[localhost]:14688' (ED25519) to the list of known hosts.
1970/01/01 00:11:05 ignoring optional flag "sandboxArg"="0"
1970/01/01 00:11:25 parsed 1 programs
syzkaller login: [  719.351576][ T3177] cgroup: Unknown subsys name 'net'
[  719.881583][ T3177] cgroup: Unknown subsys name 'cpuset'
[  719.953258][ T3177] cgroup: Unknown subsys name 'rlimit'
[  776.838042][ T3177] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[  812.735669][ T3210] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[  864.295708][ T3363] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  864.747316][ T3363] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x56e068]

goroutine 27 [running]:
github.com/google/syzkaller/prog.(*Prog).serialize(0x0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:40 +0x80
github.com/google/syzkaller/prog.(*Prog).Serialize(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:30
github.com/google/syzkaller/pkg/rpcserver.(*Runner).handleExecResult(0xc000126f00, 0xc00024c500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:439 +0x17c
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc000126f00)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:203 +0x320
github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc00023a800, 0xc000126f00)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:356 +0xdc
github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc00023a800, 0xc000126f00, 0xc001334550)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:294 +0x360
github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc00023a800, 0xc001334550)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:261 +0x254
github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1.1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:55 +0x128
created by github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1 in goroutine 7
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:52 +0xb0
[  878.580881][ T3211] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  878.686020][ T3211] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  878.834671][ T3211] bond0 (unregistering): Released all slaves

VM DIAGNOSIS:
20:34:53  Registers:
info registers vcpu 0

CPU#0
 V      =   0
 pc       ffffffff861c489a
 mhartid  0000000000000000
 mstatus  0000000a000001a0
 hstatus  0000000200000000
 vsstatus 0000000a00000000
 mip      0000000000000000
 mie      000000000000022a
 mideleg  0000000000001666
 hideleg  0000000000000444
 medeleg  0000000000f0b509
 hedeleg  000000000000b109
 mtvec    00000000800004f0
 stvec    ffffffff861e63e4
 vstvec   0000000000000000
 mepc     ffffffff8008378a
 sepc     ffffffff804b6662
 vsepc    0000000000000000
 mcause   0000000000000009
 scause   8000000000000005
 vscause  0000000000000000
 mtval    0000000000000000
 stval    0000000000000000
 htval    0000000000000000
 mtval2   0000000000000000
 mscratch 000000008004a000
 sscratch 0000000000000000
 satp     a013b0000009e924
 x0/zero  0000000000000000 x1/ra    ffffffff80a1c57c x2/sp    ff20000000006e60 x3/gp    ffffffff899f4f80
 x4/tp    ff6000001b3acec0 x5/t0    28a5115b21b9eb17 x6/t1    ffe3ffff00000de4 x7/t2    0000000000000028
 x8/s0    ff20000000006eb0 x9/s1    ff6000001b3acf80 x10/a0   ff6000005cdd3a58 x11/a1   ffffffffffffffff
 x12/a2   0000000000000001 x13/a3   0000000000000001 x14/a4   0000000000000000 x15/a5   0000000000000001
 x16/a6   ffebffff036759d9 x17/a7   ff6000001b3acec7 x18/s2   ff6000001b3acf80 x19/s3   000000cbce4a8a7c
 x20/s4   0000000000000001 x21/s5   1fec000003675a08 x22/s6   ff6000001b3ad040 x23/s7   ff6000001b3acf80
 x24/s8   0000000000000007 x25/s9   ff6000001b3ad05c x26/s10  0000000000000004 x27/s11  1fec000003675a0b
 x28/t3   ff6000001b3ad9e0 x29/t4   0000000000003c73 x30/t5   1fec000003675a0a x31/t6   0000000000000008
 f0/ft0   0000000000000000 f1/ft1   0000000000000000 f2/ft2   0000000000000000 f3/ft3   0000000000000000
 f4/ft4   0000000000000000 f5/ft5   0000000000000000 f6/ft6   0000000000000000 f7/ft7   0000000000000000
 f8/fs0   0000000000000000 f9/fs1   0000000000000000 f10/fa0  0000000000000000 f11/fa1  0000000000000000
 f12/fa2  0000000000000000 f13/fa3  0000000000000000 f14/fa4  0000000000000000 f15/fa5  0000000000000000
 f16/fa6  0000000000000000 f17/fa7  0000000000000000 f18/fs2  0000000000000000 f19/fs3  0000000000000000
 f20/fs4  0000000000000000 f21/fs5  0000000000000000 f22/fs6  0000000000000000 f23/fs7  0000000000000000
 f24/fs8  0000000000000000 f25/fs9  0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000
 f28/ft8  0000000000000000 f29/ft9  0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000
info registers vcpu 1

CPU#1
 V      =   0
 pc       ffffffff8051eede
 mhartid  0000000000000001
 mstatus  0000000a000000a0
 hstatus  0000000200000000
 vsstatus 0000000a00000000
 mip      0000000000000000
 mie      000000000000022a
 mideleg  0000000000001666
 hideleg  0000000000000444
 medeleg  0000000000f0b509
 hedeleg  000000000000b109
 mtvec    00000000800004f0
 stvec    ffffffff861e63e4
 vstvec   0000000000000000
 mepc     ffffffff804b6636
 sepc     ffffffff861e4106
 vsepc    0000000000000000
 mcause   8000000000000003
 scause   8000000000000005
 vscause  0000000000000000
 mtval    0000000000000000
 stval    0000000000000000
 htval    0000000000000000
 mtval2   0000000000000000
 mscratch 0000000080048000
 sscratch 0000000000000000
 satp     a01400000009eb74
 x0/zero  0000000000000000 x1/ra    ffffffff861c2a7a x2/sp    ff200000000162a0 x3/gp    ffffffff899f4f80
 x4/tp    ff6000001b094ec0 x5/t0    ffffffff84f31e74 x6/t1    ffffffff84f33074 x7/t2    ffffffff84e83e10
 x8/s0    ff20000000016290 x9/s1    ff6000005ca6b430 x10/a0   ff6000001b094ec0 x11/a1   0000000000000000
 x12/a2   00000000ffffffff x13/a3   ffffffff800714de x14/a4   0000000000000000 x15/a5   ff6000001b094ec0
 x16/a6   0000000000f00000 x17/a7   ffffffff886dc393 x18/s2   ff20000000016180 x19/s3   0000000000000001
 x20/s4   0000000000000001 x21/s5   0000000000000000 x22/s6   ffffffff8051f784 x23/s7   dfffffff00000000
 x24/s8   dfffffff00000000 x25/s9   ffffffff861e63e4 x26/s10  0000000000007fff x27/s11  ff20000000016330
 x28/t3   ffffffff8564565e x29/t4   fffffffef10db872 x30/t5   fffffffef10db873 x31/t6   ff600000325a82f8
 f0/ft0   0000000000000000 f1/ft1   0000000000000000 f2/ft2   0000000000000000 f3/ft3   0000000000000000
 f4/ft4   0000000000000000 f5/ft5   0000000000000000 f6/ft6   0000000000000000 f7/ft7   0000000000000000
 f8/fs0   0000000000000000 f9/fs1   0000000000000000 f10/fa0  0000000000000000 f11/fa1  0000000000000000
 f12/fa2  0000000000000000 f13/fa3  0000000000000000 f14/fa4  0000000000000000 f15/fa5  0000000000000000
 f16/fa6  0000000000000000 f17/fa7  0000000000000000 f18/fs2  0000000000000000 f19/fs3  0000000000000000
 f20/fs4  0000000000000000 f21/fs5  0000000000000000 f22/fs6  0000000000000000 f23/fs7  0000000000000000
 f24/fs8  0000000000000000 f25/fs9  0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000
 f28/ft8  0000000000000000 f29/ft9  0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000