syzkaller login: [ 199.866507][ T1832] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 199.897794][ T1832] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 199.948811][ T1832] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 199.978772][ T1832] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:60362' (ECDSA) to the list of known hosts. 1970/01/01 00:04:02 fuzzer started 1970/01/01 00:04:13 dialing manager at localhost:33355 1970/01/01 00:04:14 checking machine... 1970/01/01 00:04:14 checking revisions... executing program 1970/01/01 00:04:19 testing simple program... executing program [ 261.128686][ T2001] cgroup: Unknown subsys name 'net' [ 261.831754][ T2001] cgroup: Unknown subsys name 'rlimit' executing program 1970/01/01 00:04:23 Manager.Check call failed: machine check failed: program execution failed: executor 0: EOF SYZFAIL: out of mmapped kcov threads (errno 0: Success) VM DIAGNOSIS: 15:55:32 Registers: info registers vcpu 0 pc ffffffff803831a4 mhartid 0000000000000000 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005050 mepc ffffffff8000ef2c sepc ffffffff800db032 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff800da7b6 x2/sp ffffffe00d9abaa0 x3/gp ffffffff83f9a558 x4/tp ffffffe007e0df00 x5/t0 ffffffe00d9ab908 x6/t1 ffffffc40b5beb21 x7/t2 0000000000000014 x8/s0 ffffffe00d9aba80 x9/s1 ffffffcf023d5d00 x10/a0 0000000000000000 x11/a1 ffffffffffffffff x12/a2 1ffffffc01966401 x13/a3 ffffffff8037a878 x14/a4 0000000000000003 x15/a5 ffffffe007e0df00 x16/a6 0000000000f00000 x17/a7 ffffffcf023d5d33 x18/s2 000000000004c000 x19/s3 0000000000000000 x20/s4 0000000023d5d85b x21/s5 ffffffcf023d5d80 x22/s6 ffffffcf023d5d08 x23/s7 0000000000000000 x24/s8 ffffffcf023d5d88 x25/s9 ffffffe00d9abc90 x26/s10 ffffffcf023d5d80 x27/s11 0000000000000000 x28/t3 d3cd8b20f706f400 x29/t4 ffffffc401a58a4b x30/t5 ffffffc401a58a4c x31/t6 0000000000040000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 411d406000000000 f3/ft3 4187bfe840000000 f4/ft4 3ff799999999999a f5/ft5 3fde666666666666 f6/ft6 3fe9872a5a11b4e8 f7/ft7 3fd4a7ee4dbd036a f8/fs0 3fed8d55679d51e7 f9/fs1 3fa6278549b31950 f10/fa0 3fd219390be35c7b 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 ffffffff803f184e mhartid 0000000000000001 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff80005050 mepc ffffffff80c0d222 sepc ffffffff82be403a mcause 8000000000000003 scause 8000000000000001 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff821ca064 x2/sp ffffffe009dffb40 x3/gp ffffffff83f9a558 x4/tp ffffffe00c900000 x5/t0 0000000000000000 x6/t1 ffffffc40b5bb321 x7/t2 7d54ccc7f10bb9d0 x8/s0 ffffffe009dffb40 x9/s1 ffffffe009c09780 x10/a0 ffffffe00db18094 x11/a1 ffffffe00c901000 x12/a2 1ffffffc01b63013 x13/a3 ffffffff8260673a x14/a4 0000000000000003 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffe05add990b x18/s2 ffffffe00db18000 x19/s3 0000000000000007 x20/s4 ffffffe00d783900 x21/s5 0000000000000007 x22/s6 ffffffe009c099d0 x23/s7 ffffffff83833e58 x24/s8 ffffffe009c09c08 x25/s9 ffffffe009c09990 x26/s10 ffffffe009c09808 x27/s11 ffffffff83f9e0d0 x28/t3 d3cd8b20f706f400 x29/t4 ffffffc7f07d133a x30/t5 ffffffc7f07d133b x31/t6 ffffffe00a0e3c00 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