syzkaller login: [  311.552521][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[  311.613267][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[  311.674022][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[  322.147891][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:47013' (ECDSA) to the list of known hosts.
1970/01/01 00:06:37 fuzzer started
1970/01/01 00:07:19 dialing manager at localhost:35707
1970/01/01 00:07:24 checking machine...
1970/01/01 00:07:24 checking revisions...
executing program
[  457.420602][    C0] hrtimer: interrupt took 12792500 ns
executing program
executing program
executing program
executing program
executing program
executing program
1970/01/01 00:07:45 testing simple program...
[  476.331022][ T2034] cgroup: Unknown subsys name 'net'
executing program
[  479.893217][ T2034] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
executing program
executing program
1970/01/01 00:08:05 SYZFATAL: Manager.Check call failed: machine check failed: got no coverage:
loop exited with status 11

VM DIAGNOSIS:
20:11:01  Registers:
info registers vcpu 0
 pc       ffffffff831afa04
 mhartid  0000000000000000
 mstatus  00000000000001a0
 mip      00000000000002a0
 mie      000000000000020a
 mideleg  0000000000000222
 medeleg  000000000000b109
 mtvec    0000000080000540
 stvec    ffffffff800055d4
 mepc     ffffffff80010124
 sepc     ffffffff80010124
 mcause   8000000000000007
 scause   8000000000000005
 mtval  0000000000000000
 stval  0000000000000000
 x0/zero 0000000000000000 x1/ra ffffffff80b09d26 x2/sp ffffaf800735b300 x3/gp ffffffff85863ac0
 x4/tp ffffaf8007403080 x5/t0 0000000000046000 x6/t1 1401b499448ebf00 x7/t2 ffffffffffffffff
 x8/s0 ffffaf800735b330 x9/s1 ffffffff86d33b50 x10/a0 ffffffff86d33b50 x11/a1 ffffffff83643480
 x12/a2 0000000000010001 x13/a3 ffffffff80b09bf6 x14/a4 61c8864680b583eb x15/a5 0000000000002691
 x16/a6 0000000000f00000 x17/a7 ffffffff8016d898 x18/s2 ffffffff80b09d26 x19/s3 0000000000000120
 x20/s4 1ffff5f000e6b668 x21/s5 ffffaf800735b3e0 x22/s6 ffffffff85889780 x23/s7 ffffffff83643480
 x24/s8 ffffffff8586fde0 x25/s9 ffffffff86d33b50 x26/s10 ffffaf805a9cb400 x27/s11 0000000000010000
 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f000e6b634 x31/t6 0000000000000006
 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 41cd66f2a65c386c f3/ft3 416312d000000000
 f4/ft4 411b6f8000000000 f5/ft5 40395269e12f346e 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
 pc       ffffffff801125e4
 mhartid  0000000000000001
 mstatus  00000000000000a0
 mip      0000000000000000
 mie      00000000000002aa
 mideleg  0000000000000222
 medeleg  000000000000b109
 mtvec    0000000080000540
 stvec    ffffffff800055d4
 mepc     ffffffff8000f97e
 sepc     ffffffff80c43890
 mcause   0000000000000009
 scause   8000000000000005
 mtval  0000000000000000
 stval  0000000000000000
 x0/zero 0000000000000000 x1/ra ffffffff80b09d34 x2/sp ffffaf8010757290 x3/gp ffffffff85863ac0
 x4/tp ffffaf800f0dc8c0 x5/t0 ffffaf800e8d0820 x6/t1 1401b499448ebf00 x7/t2 3c116e4dcdf038d7
 x8/s0 ffffaf80107573c0 x9/s1 ffffaf800f8123b8 x10/a0 ffffaf800f8123d0 x11/a1 0000000000000007
 x12/a2 1ffff5f001d11bd8 x13/a3 ffffffff80b09d46 x14/a4 0000000000000000 x15/a5 ffffffffdfffffff
 x16/a6 0000000000f00000 x17/a7 ffffffff80b09d26 x18/s2 ffffaf8010757200 x19/s3 ffffffff8588a420
 x20/s4 0000000000000001 x21/s5 ffffffff8343c840 x22/s6 ffffffffffffffff x23/s7 0000000000000020
 x24/s8 ffffffff86c1a620 x25/s9 1ffff5f0020eae30 x26/s10 ffffffff86d28138 x27/s11 ffffffff80b09dfc
 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f0020eadfc x31/t6 ffffaf800c5150c0
 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