syzkaller login: [ 254.158238][ T1857] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 262.991446][ T1857] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 263.108807][ T1857] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 263.187759][ T1857] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:24519' (ECDSA) to the list of known hosts. 1970/01/01 00:05:30 fuzzer started 1970/01/01 00:05:46 dialing manager at localhost:45661 [ 355.006081][ T2028] cgroup: Unknown subsys name 'net' [ 356.248837][ T2028] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:56 syscalls: 2918 1970/01/01 00:05:56 code coverage: enabled 1970/01/01 00:05:56 comparison tracing: ioctl(KCOV_DISABLE) failed: invalid argument 1970/01/01 00:05:56 extra coverage: enabled 1970/01/01 00:05:56 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:56 setuid sandbox: enabled 1970/01/01 00:05:56 namespace sandbox: enabled 1970/01/01 00:05:56 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:56 fault injection: enabled 1970/01/01 00:05:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:56 net packet injection: enabled 1970/01/01 00:05:56 net device setup: enabled 1970/01/01 00:05:56 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:05:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:05:56 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:05:56 USB emulation: enabled 1970/01/01 00:05:56 hci packet injection: /dev/vhci does not exist 1970/01/01 00:05:56 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:05:56 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:05:56 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:00 fetching corpus: 50, signal 30579/34142 (executing program) 1970/01/01 00:06:03 fetching corpus: 100, signal 46011/51020 (executing program) 1970/01/01 00:06:08 fetching corpus: 150, signal 55773/62183 (executing program) 1970/01/01 00:06:11 fetching corpus: 200, signal 62763/70486 (executing program) 1970/01/01 00:06:12 fetching corpus: 250, signal 68531/77539 (executing program) 1970/01/01 00:06:17 fetching corpus: 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fetching corpus: 13266, signal 270356/274963 (executing program) 1970/01/01 00:17:30 fetching corpus: 13316, signal 270708/274966 (executing program) 1970/01/01 00:17:33 fetching corpus: 13366, signal 270942/274982 (executing program) 1970/01/01 00:17:35 fetching corpus: 13415, signal 271284/274983 (executing program) 1970/01/01 00:17:37 fetching corpus: 13465, signal 271507/274983 (executing program) 1970/01/01 00:17:39 fetching corpus: 13513, signal 271798/274983 (executing program) 1970/01/01 00:17:41 fetching corpus: 13562, signal 272086/274983 (executing program) 1970/01/01 00:17:44 fetching corpus: 13611, signal 272335/274985 (executing program) 1970/01/01 00:17:44 fetching corpus: 13622, signal 272380/274985 (executing program) 1970/01/01 00:17:44 fetching corpus: 13622, signal 272380/274985 (executing program) 1970/01/01 00:20:01 starting 2 fuzzer processes 00:20:01 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newlink={0x44, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @bond={{0x9}, {0x14, 0x2, 0x0, 0x1, [@IFLA_BOND_MIIMON={0x8}, @IFLA_BOND_AD_ACTOR_SYS_PRIO={0x6}]}}}]}, 0x44}}, 0x0) 00:20:01 executing program 1: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) recvfrom(r0, 0x0, 0x0, 0x40002140, 0x0, 0x0) [ 1227.716242][ T2050] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1227.867226][ T2050] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1230.362670][ T2052] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1230.431631][ T2052] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1241.831789][ T2050] device hsr_slave_0 entered promiscuous mode [ 1241.877421][ T2050] device hsr_slave_1 entered promiscuous mode [ 1242.851299][ T2052] device hsr_slave_0 entered promiscuous mode [ 1242.913273][ T2052] device hsr_slave_1 entered promiscuous mode [ 1242.968229][ T2052] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1242.972897][ T2052] Cannot create hsr debugfs directory [ 1254.611857][ T2050] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1255.303330][ T2050] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1255.690287][ T2050] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1255.901165][ T2050] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1257.433729][ T2052] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1257.683458][ T2052] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1258.053433][ T2052] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1258.263814][ T2052] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1272.900566][ T2050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1274.129717][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1274.243230][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1277.898855][ T2052] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1278.828325][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1278.956221][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1290.299062][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1290.398473][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1290.761639][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1290.808599][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1291.093222][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1291.422521][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1292.857981][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1292.951107][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1293.880849][ T2050] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1293.931283][ T2050] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1294.324126][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1294.353083][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1294.378794][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1294.401733][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1294.422822][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1294.477216][ T2656] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1294.904183][ T2668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1295.283105][ T829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1296.681894][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1296.713002][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1297.236941][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1297.325939][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1297.607561][ T2052] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1301.531154][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1301.547924][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1303.263267][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1303.289921][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1314.677748][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1314.758515][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1316.289358][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1316.328417][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1321.582124][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1321.617086][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1321.740328][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1321.783195][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1321.829017][ T2050] device veth0_vlan entered promiscuous mode [ 1322.245928][ T2050] device veth1_vlan entered promiscuous mode [ 1323.402844][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1323.513782][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1323.787793][ T2050] device veth0_macvtap entered promiscuous mode [ 1323.899093][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1324.240808][ T2050] device veth1_macvtap entered promiscuous mode [ 1324.677301][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1324.747604][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1324.832292][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1324.869738][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1325.091877][ T2052] device veth0_vlan entered promiscuous mode [ 1325.841180][ T2052] device veth1_vlan entered promiscuous mode [ 1325.968057][ T2050] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1325.971979][ T2050] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1325.973760][ T2050] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1325.991330][ T2050] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1326.093755][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1326.149251][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1326.183531][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1326.213145][ T2211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1327.938682][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 1328.008599][ T2112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1328.850233][ T2052] device veth0_macvtap entered promiscuous mode [ 1328.931582][ T2052] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1328.933456][ T2052] CPU: 0 PID: 2052 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1328.937336][ T2052] Hardware name: riscv-virtio,qemu (DT) [ 1328.939110][ T2052] Call Trace: [ 1328.940158][ T2052] [] dump_backtrace+0x2e/0x3c [ 1328.941791][ T2052] [] show_stack+0x34/0x40 [ 1328.943123][ T2052] [] dump_stack_lvl+0xe4/0x150 [ 1328.944684][ T2052] [] dump_stack+0x1c/0x24 [ 1328.946690][ T2052] [] panic+0x24a/0x634 [ 1328.947905][ T2052] [] schedule+0x0/0x14c [ 1328.949488][ T2052] [] preempt_schedule_common+0x4e/0xde [ 1328.951237][ T2052] [] preempt_schedule+0x34/0x36 [ 1328.952683][ T2052] [] _raw_read_unlock_irqrestore+0x8c/0x98 [ 1328.954079][ T2052] [] netlink_broadcast+0x98/0xab6 [ 1328.956101][ T2052] [] nlmsg_notify+0x78/0x22e [ 1328.957459][ T2052] [] rtnl_notify+0x80/0x98 [ 1328.958738][ T2052] [] rtmsg_fib+0x204/0x2be [ 1328.960073][ T2052] [] fib_table_insert+0x52a/0xebe [ 1328.961387][ T2052] [] fib_magic+0x3f4/0x438 [ 1328.962701][ T2052] [] fib_add_ifaddr+0x2be/0x2e2 [ 1328.963948][ T2052] [] fib_netdev_event+0x362/0x4b0 [ 1328.965793][ T2052] [] notifier_call_chain+0xb8/0x188 [ 1328.967152][ T2052] [] raw_notifier_call_chain+0x2a/0x38 [ 1328.968724][ T2052] [] call_netdevice_notifiers_info+0x9e/0x10c [ 1328.970285][ T2052] [] __dev_notify_flags+0x108/0x1fa [ 1328.971746][ T2052] [] dev_change_flags+0x9c/0xba [ 1328.973812][ T2052] [] do_setlink+0x5d6/0x21c4 [ 1328.975780][ T2052] [] __rtnl_newlink+0x99e/0xfa0 [ 1328.977179][ T2052] [] rtnl_newlink+0x60/0x8c [ 1328.978460][ T2052] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 1328.979838][ T2052] [] netlink_rcv_skb+0xf8/0x2be [ 1328.981107][ T2052] [] rtnetlink_rcv+0x26/0x30 [ 1328.982399][ T2052] [] netlink_unicast+0x40e/0x5fe [ 1328.983630][ T2052] [] netlink_sendmsg+0x4e0/0x994 [ 1328.985660][ T2052] [] sock_sendmsg+0xa0/0xc4 [ 1328.987922][ T2052] [] __sys_sendto+0x1f2/0x2e0 [ 1328.989245][ T2052] [] sys_sendto+0x3e/0x52 [ 1328.990575][ T2052] [] ret_from_syscall+0x0/0x2 [ 1328.992366][ T2052] SMP: stopping secondary CPUs [ 1328.995197][ T2052] Rebooting in 86400 seconds.. VM DIAGNOSIS: 13:54:03 Registers: info registers vcpu 0 pc ffffffff8016db0a mhartid 0000000000000000 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff802372f2 sepc ffffffff80061052 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8016db0a x2/sp ffffaf800cd76a60 x3/gp ffffffff85863ac0 x4/tp ffffaf8007bc1840 x5/t0 0000000000046000 x6/t1 92c819798f7ca500 x7/t2 ffffffffffffffff x8/s0 ffffaf800cd76bc0 x9/s1 ffffaf805a9e7d18 x10/a0 0000000000000000 x11/a1 ffffaf8007bc1840 x12/a2 0000000000010200 x13/a3 ffffffff8016dafe x14/a4 0000000000000003 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffff80b08bfe x18/s2 ffffaf805a9e7480 x19/s3 0000000000000001 x20/s4 ffffaf805a9e7400 x21/s5 0000000000010200 x22/s6 ffffaf805a9e74c8 x23/s7 0000000000000000 x24/s8 ffffaf805a9e7490 x25/s9 ffffaf805a9e7d50 x26/s10 ffffaf805a9e7400 x27/s11 ffffffff8018e412 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f0019aecd0 x31/t6 ffffaf8024913c00 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 pc ffffffff80475986 mhartid 0000000000000001 mstatus 00000000000000a0 mip 00000000000002a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff801124b8 sepc ffffffff831b0398 mcause 8000000000000007 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80dc3394 x2/sp ffffaf800c531cf0 x3/gp ffffffff85863ac0 x4/tp ffffaf800ed13080 x5/t0 ffffffff86bcb657 x6/t1 92c819798f7ca500 x7/t2 0000000000000000 x8/s0 ffffaf800c531d20 x9/s1 ffffffff86e58900 x10/a0 ffffaf800ed130a0 x11/a1 ffff8f800066c000 x12/a2 1ffffffff0dcb129 x13/a3 ffffffff80dc337e x14/a4 0000000000000000 x15/a5 ffffffff86e58948 x16/a6 ffffffff86e589f1 x17/a7 ffffffff80dcc2ca x18/s2 ffffaf800ed13080 x19/s3 0000000000000030 x20/s4 ffffffff86e58900 x21/s5 ffffffff80dc333e x22/s6 0000000000000000 x23/s7 ffffffff86bcb6b5 x24/s8 0000000000000010 x25/s9 ffffffff86e58958 x26/s10 0000000000000010 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f0018a634c x31/t6 ffffffff86bcb657 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