syzkaller login: [ 272.690814][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 272.768390][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 272.858061][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 272.922221][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 272.957922][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:61330' (ECDSA) to the list of known hosts. 1970/01/01 00:05:19 fuzzer started 1970/01/01 00:05:32 dialing manager at localhost:34989 [ 338.196112][ T2025] cgroup: Unknown subsys name 'net' [ 339.437958][ T2025] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:39 syscalls: 2853 1970/01/01 00:05:39 code coverage: enabled 1970/01/01 00:05:39 comparison tracing: enabled 1970/01/01 00:05:39 extra coverage: enabled 1970/01/01 00:05:39 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:39 setuid sandbox: enabled 1970/01/01 00:05:39 namespace sandbox: enabled 1970/01/01 00:05:39 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:39 fault injection: enabled 1970/01/01 00:05:39 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:39 net packet injection: enabled 1970/01/01 00:05:39 net device setup: enabled 1970/01/01 00:05:39 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:05:39 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:05:39 USB emulation: enabled 1970/01/01 00:05:39 hci packet injection: /dev/vhci does not exist 1970/01/01 00:05:39 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:05:39 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:05:39 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:05:46 fetching corpus: 50, signal 29824/33361 (executing program) 1970/01/01 00:05:49 fetching corpus: 100, signal 40653/45654 (executing program) 1970/01/01 00:05:57 fetching corpus: 150, signal 57657/63780 (executing program) 1970/01/01 00:06:00 fetching corpus: 200, signal 62136/69578 (executing program) 1970/01/01 00:06:03 fetching corpus: 249, signal 66364/75066 (executing program) 1970/01/01 00:06:05 fetching corpus: 298, signal 70862/80737 (executing program) 1970/01/01 00:06:08 fetching corpus: 347, signal 75589/86544 (executing program) 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fetching corpus: 9855, signal 238466/240383 (executing program) 1970/01/01 00:14:31 fetching corpus: 9864, signal 238591/240383 (executing program) 1970/01/01 00:14:31 fetching corpus: 9864, signal 238591/240383 (executing program) 1970/01/01 00:16:14 starting 2 fuzzer processes 00:16:14 executing program 0: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) write$RDMA_USER_CM_CMD_MIGRATE_ID(r0, &(0x7f0000000740)={0x12, 0x10, 0xfa00, {0x0}}, 0x18) 00:16:14 executing program 1: r0 = openat$userio(0xffffffffffffff9c, &(0x7f0000000100), 0x801, 0x0) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000009040)='net/snmp\x00') ioctl$NS_GET_PARENT(r1, 0x5460, 0xec000) write$USERIO_CMD_SEND_INTERRUPT(r0, &(0x7f0000000040), 0x2) [ 1002.584489][ T2042] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1002.666614][ T2042] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1005.326914][ T2043] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1005.433341][ T2043] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1016.538118][ T2042] device hsr_slave_0 entered promiscuous mode [ 1016.645385][ T2042] device hsr_slave_1 entered promiscuous mode [ 1018.722229][ T2043] device hsr_slave_0 entered promiscuous mode [ 1018.781861][ T2043] device hsr_slave_1 entered promiscuous mode [ 1018.844543][ T2043] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1018.865186][ T2043] Cannot create hsr debugfs directory [ 1027.316417][ T2042] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1027.593805][ T2042] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1027.722217][ T2042] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1028.107091][ T2042] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1029.345288][ T2043] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1029.634511][ T2043] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1029.792423][ T2043] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1030.205328][ T2043] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1041.042013][ T2043] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1042.218164][ T2653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1042.329936][ T2653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1042.677409][ T2042] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1043.217826][ T2152] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1043.273300][ T2152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1050.014853][ T2152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1050.106517][ T2152] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1050.367381][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1050.426455][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1050.736137][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1050.937134][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1051.025293][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1051.244862][ T2106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1051.455801][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1051.513622][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1052.083495][ T2653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1052.494606][ T2653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1052.531725][ T2653] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1052.546815][ T2653] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1052.865422][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1052.942634][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1053.332109][ T2043] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1053.802602][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1053.846038][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1054.234951][ T2152] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1054.309970][ T2152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1054.593546][ T2042] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1055.277878][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1055.287638][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1055.595096][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1055.624708][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1075.877365][ T2106] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1075.977903][ T2106] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1076.272665][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 1076.305988][ T83] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1083.231559][ T2652] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1083.313048][ T2652] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1083.350389][ T2652] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 1083.375404][ T2652] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1083.627702][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1083.683903][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1083.705391][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1083.728091][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1083.768033][ T2043] device veth0_vlan entered promiscuous mode [ 1083.869942][ T2042] device veth0_vlan entered promiscuous mode [ 1084.062574][ T2042] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1084.066265][ T2042] CPU: 0 PID: 2042 Comm: syz-executor.1 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1084.068860][ T2042] Hardware name: riscv-virtio,qemu (DT) [ 1084.071087][ T2042] Call Trace: [ 1084.072150][ T2042] [] dump_backtrace+0x2e/0x3c [ 1084.073577][ T2042] [] show_stack+0x34/0x40 [ 1084.074853][ T2042] [] dump_stack_lvl+0xe4/0x150 [ 1084.076184][ T2042] [] dump_stack+0x1c/0x24 [ 1084.077446][ T2042] [] panic+0x24a/0x634 [ 1084.080386][ T2042] [] schedule+0x0/0x14c [ 1084.082387][ T2042] [] preempt_schedule_common+0x4e/0xde [ 1084.083824][ T2042] [] preempt_schedule+0x34/0x36 [ 1084.085089][ T2042] [] __slab_alloc.constprop.0+0x8a/0x8c [ 1084.086451][ T2042] [] kmem_cache_alloc_node+0x1f2/0x41c [ 1084.087745][ T2042] [] __alloc_skb+0x234/0x2e4 [ 1084.089728][ T2042] [] rtmsg_fib+0x108/0x2be [ 1084.091592][ T2042] [] fib_table_insert+0x52a/0xebe [ 1084.092809][ T2042] [] fib_magic+0x3f4/0x438 [ 1084.094113][ T2042] [] fib_add_ifaddr+0x1fc/0x2e2 [ 1084.095256][ T2042] [] fib_inetaddr_event+0xfe/0x19e [ 1084.096474][ T2042] [] notifier_call_chain+0xb8/0x188 [ 1084.097820][ T2042] [] blocking_notifier_call_chain+0x50/0x78 [ 1084.100100][ T2042] [] __inet_insert_ifa+0x6ca/0x7e4 [ 1084.102261][ T2042] [] inet_rtm_newaddr+0x7c2/0xbc2 [ 1084.103550][ T2042] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 1084.104885][ T2042] [] netlink_rcv_skb+0xf8/0x2be [ 1084.106129][ T2042] [] rtnetlink_rcv+0x26/0x30 [ 1084.107366][ T2042] [] netlink_unicast+0x40e/0x5fe [ 1084.108641][ T2042] [] netlink_sendmsg+0x4e0/0x994 [ 1084.110592][ T2042] [] sock_sendmsg+0xa0/0xc4 [ 1084.111797][ T2042] [] __sys_sendto+0x1f2/0x2e0 [ 1084.112907][ T2042] [] sys_sendto+0x3e/0x52 [ 1084.114228][ T2042] [] ret_from_syscall+0x0/0x2 [ 1084.115827][ T2042] SMP: stopping secondary CPUs [ 1084.118628][ T2042] Rebooting in 86400 seconds.. VM DIAGNOSIS: 12:26:19 Registers: info registers vcpu 0 pc ffffffff80111f6a mhartid 0000000000000000 mstatus 00000000000000a0 mip 0000000000000080 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff80119b52 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80111f6a x2/sp ffffaf8020813900 x3/gp ffffffff85863ac0 x4/tp ffffaf800eb0c8c0 x5/t0 000000002b6c4652 x6/t1 9fc2a783eed26900 x7/t2 0000000010d233a6 x8/s0 ffffaf8020813940 x9/s1 ffffaf800eb0c8c0 x10/a0 ffffaf800eb0c8e0 x11/a1 0000000000000003 x12/a2 1ffff5f001d6191c x13/a3 ffffffff80111f6a x14/a4 0000000000000000 x15/a5 ffffaf800eb0c8e0 x16/a6 0000000000f00000 x17/a7 ffffffff80de832c x18/s2 ffffffff8343c840 x19/s3 ffffffff86c1a620 x20/s4 ffffaf800eb0c8c0 x21/s5 0000000000000000 x22/s6 0000000000000002 x23/s7 0000000000000000 x24/s8 ffffaf8009ef8c10 x25/s9 ffffaf80085b4022 x26/s10 0000000000000000 x27/s11 ffffaf8009ef8c08 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f0041026dc x31/t6 ffffaf80085b4024 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 ffffffff8010b22c mhartid 0000000000000001 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80c0b53c sepc ffffffff8046e47c mcause 8000000000000007 scause 8000000000000009 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff831a18d8 x2/sp ffffaf800c1023f0 x3/gp ffffffff85863ac0 x4/tp ffffaf800b5f9840 x5/t0 ffffffff86bcb657 x6/t1 9fc2a783eed26900 x7/t2 0000000000000000 x8/s0 ffffaf800c102400 x9/s1 0000000000001000 x10/a0 0000000000000020 x11/a1 ffffffffffffffff x12/a2 1ffff5f0016bf309 x13/a3 ffffffff80146d84 x14/a4 0000000000000005 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffff8011edca x18/s2 ffffaf800b5f9840 x19/s3 ffffffff84b73ec0 x20/s4 0000000000000000 x21/s5 ffffffff8343c840 x22/s6 ffffffffffffffff x23/s7 ffffffff80dcc2ca x24/s8 ffffffff86c1a620 x25/s9 ffffffff8588a420 x26/s10 ffffffff858655c0 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001820490 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