syzkaller login: [ 252.813807][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 258.994075][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 259.033470][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 259.061873][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:23929' (ECDSA) to the list of known hosts. 1970/01/01 00:04:39 fuzzer started 1970/01/01 00:05:09 dialing manager at localhost:34673 1970/01/01 00:05:12 checking machine... 1970/01/01 00:05:12 checking revisions... executing program executing program executing program executing program executing program executing program 1970/01/01 00:05:31 testing simple program... [ 340.284594][ T2026] cgroup: Unknown subsys name 'net' executing program [ 343.496741][ T2026] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 404.514166][ T2029] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 405.091525][ T2029] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link executing program executing program executing program executing program executing program executing program executing program executing program [ 429.810954][ T2029] device hsr_slave_0 entered promiscuous mode [ 429.987489][ T2029] device hsr_slave_1 entered promiscuous mode executing program executing program executing program executing program executing program executing program executing program [ 448.746062][ T2029] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 450.273217][ T2029] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 450.872702][ T2029] netdevsim netdevsim0 netdevsim2: renamed from eth2 executing program [ 452.381013][ T2029] netdevsim netdevsim0 netdevsim3: renamed from eth3 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 482.656220][ T2029] 8021q: adding VLAN 0 to HW filter on device bond0 executing program [ 485.414439][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 485.494959][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program executing program executing program executing program executing program executing program [ 503.203078][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 503.492830][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 504.884705][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 505.034326][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 505.103347][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready executing program [ 507.947363][ T2027] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready executing program [ 508.631206][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 508.736546][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 509.877583][ T2029] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 510.593067][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 510.675630][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 511.917594][ T2345] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 511.926649][ T2345] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready executing program executing program executing program executing program executing program executing program 1970/01/01 00:08:43 SYZFATAL: program execution failed: executor 0: not serving [ 534.591531][ T49] device hsr_slave_0 left promiscuous mode [ 534.636396][ T49] device hsr_slave_1 left promiscuous mode [ 538.312769][ T49] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 538.475304][ T49] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 539.825428][ T49] bond0 (unregistering): Released all slaves VM DIAGNOSIS: 06:30:50 Registers: info registers vcpu 0 pc ffffffff804696c2 mhartid 0000000000000000 mstatus 00000000000001a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff803c0776 mcause 0000000000000009 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80112e3c x2/sp ffffaf800e79df00 x3/gp ffffffff85863ac0 x4/tp ffffaf800bad8000 x5/t0 ffffaf800f155540 x6/t1 2671aa26782cb500 x7/t2 ffffffff8050bf22 x8/s0 ffffaf800e79e100 x9/s1 0000000000000105 x10/a0 ffffaf800bad8000 x11/a1 ffffaf800bad8000 x12/a2 0000000000000104 x13/a3 0000000000000000 x14/a4 0000000000000000 x15/a5 ffffffff86c1a620 x16/a6 0000000000f00000 x17/a7 ffffffff80b09f2c x18/s2 ffffaf800e79e1a0 x19/s3 0000000000000006 x20/s4 ffffaf800bad8a18 x21/s5 e789ed9e07aa8387 x22/s6 ffffffff86c1a620 x23/s7 0000000000000007 x24/s8 0000000000000003 x25/s9 0000000000000100 x26/s10 ffffffff86d6f430 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001cf3bf0 x31/t6 ffffaf800f155558 f0/ft0 0000000000000000 f1/ft1 4071fc1fa5a0ccbe f2/ft2 410963c000000000 f3/ft3 416312d000000000 f4/ft4 3ff799999999999a f5/ft5 3fde666666666666 f6/ft6 3fe0000000000000 f7/ft7 3f999999999999a0 f8/fs0 3feaaaaaaaaaaaab f9/fs1 bfd226708612f5fe f10/fa0 3fd0b9a209541143 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 ffffffff831a2658 mhartid 0000000000000001 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc 00007fff80cc7a20 mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80112644 x2/sp ffffaf800cbeb010 x3/gp ffffffff85863ac0 x4/tp ffffaf800ec848c0 x5/t0 ffffaf800cbebc10 x6/t1 2671aa26782cb500 x7/t2 ffffffffffffffff x8/s0 ffffaf800cbeb150 x9/s1 ffffffff8343c840 x10/a0 ffffffff86d76a9c x11/a1 0000000000000003 x12/a2 1ffffffff0daed55 x13/a3 ffffffff80b08f0e x14/a4 0000000000000012 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffff80b08efe x18/s2 00000000000563d0 x19/s3 ffffaf800cbeb420 x20/s4 ffffffff86d76a98 x21/s5 ffffaf805a9f2ad0 x22/s6 0000000000000022 x23/s7 ffffaf8014356818 x24/s8 ffffffff86d206c0 x25/s9 ffffffff85889780 x26/s10 1ffff5f00197d678 x27/s11 ffffaf805a9f2ad0 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f00197d614 x31/t6 0000000000040000 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