syzkaller login: [ 256.633814][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 265.086648][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 265.179872][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 265.217672][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:65329' (ECDSA) to the list of known hosts. 1970/01/01 00:05:28 fuzzer started 1970/01/01 00:05:43 dialing manager at localhost:45661 [ 349.092544][ T2032] cgroup: Unknown subsys name 'net' [ 350.183982][ T2032] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:50 syscalls: 2918 1970/01/01 00:05:50 code coverage: enabled 1970/01/01 00:05:50 comparison tracing: ioctl(KCOV_DISABLE) failed: invalid argument 1970/01/01 00:05:50 extra coverage: enabled 1970/01/01 00:05:50 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:50 setuid sandbox: enabled 1970/01/01 00:05:50 namespace sandbox: enabled 1970/01/01 00:05:50 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:50 fault injection: enabled 1970/01/01 00:05:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:50 net packet injection: enabled 1970/01/01 00:05:50 net device setup: enabled 1970/01/01 00:05:50 concurrency sanitizer: 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&(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000280)={0x14, r0, 0x1}, 0x14}}, 0x0) [ 1245.683125][ T2047] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1246.057040][ T2047] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1247.078682][ T2049] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1247.673067][ T2049] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1257.050086][ T2047] device hsr_slave_0 entered promiscuous mode [ 1257.127774][ T2047] device hsr_slave_1 entered promiscuous mode [ 1260.170023][ T2049] device hsr_slave_0 entered promiscuous mode [ 1260.250022][ T2049] device hsr_slave_1 entered promiscuous mode [ 1260.278666][ T2049] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1260.285537][ T2049] Cannot create hsr debugfs directory [ 1267.408599][ T2047] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1267.596568][ T2047] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1267.895941][ T2047] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1268.222827][ T2047] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1269.628118][ T2049] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1269.799652][ T2049] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1270.060325][ T2049] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1270.366339][ T2049] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1287.046569][ T2047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1288.018000][ T2035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1288.148670][ T2035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1288.576985][ T2049] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1289.470850][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1289.580141][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1299.312390][ T2035] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1299.349953][ T2035] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1299.399686][ T2035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1299.444830][ T2035] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1299.699796][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1300.078927][ T2035] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1300.967095][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1301.028192][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1301.407153][ T2658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1301.467989][ T2658] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1302.015089][ T2047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1302.612551][ T2049] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 1302.616399][ T2049] CPU: 0 PID: 2049 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1302.617845][ T2049] Hardware name: riscv-virtio,qemu (DT) [ 1302.619142][ T2049] Call Trace: [ 1302.619939][ T2049] [] dump_backtrace+0x2e/0x3c [ 1302.621681][ T2049] [] show_stack+0x34/0x40 [ 1302.623411][ T2049] [] dump_stack_lvl+0xe4/0x150 [ 1302.624549][ T2049] [] dump_stack+0x1c/0x24 [ 1302.625723][ T2049] [] panic+0x24a/0x634 [ 1302.626738][ T2049] [] schedule+0x0/0x14c [ 1302.627850][ T2049] [] preempt_schedule_common+0x4e/0xde [ 1302.629050][ T2049] [] preempt_schedule+0x34/0x36 [ 1302.630213][ T2049] [] _raw_spin_unlock_irqrestore+0x8c/0x98 [ 1302.632378][ T2049] [] pcpu_alloc+0x7ca/0x1278 [ 1302.633713][ T2049] [] __alloc_percpu_gfp+0x28/0x36 [ 1302.634879][ T2049] [] fib_nh_common_init+0xa8/0x22e [ 1302.635968][ T2049] [] fib_nh_init+0x6e/0x1fc [ 1302.637044][ T2049] [] fib_create_info+0x1dc4/0x2d8e [ 1302.638103][ T2049] [] fib_table_insert+0x1a0/0xebe [ 1302.639210][ T2049] [] fib_magic+0x3f4/0x438 [ 1302.640353][ T2049] [] fib_add_ifaddr+0x1fc/0x2e2 [ 1302.641977][ T2049] [] fib_netdev_event+0x362/0x4b0 [ 1302.643937][ T2049] [] notifier_call_chain+0xb8/0x188 [ 1302.645132][ T2049] [] raw_notifier_call_chain+0x2a/0x38 [ 1302.646282][ T2049] [] call_netdevice_notifiers_info+0x9e/0x10c [ 1302.647475][ T2049] [] __dev_notify_flags+0x108/0x1fa [ 1302.648884][ T2049] [] dev_change_flags+0x9c/0xba [ 1302.650329][ T2049] [] do_setlink+0x5d6/0x21c4 [ 1302.651870][ T2049] [] __rtnl_newlink+0x99e/0xfa0 [ 1302.653418][ T2049] [] rtnl_newlink+0x60/0x8c [ 1302.654512][ T2049] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 1302.655613][ T2049] [] netlink_rcv_skb+0xf8/0x2be [ 1302.656655][ T2049] [] rtnetlink_rcv+0x26/0x30 [ 1302.657699][ T2049] [] netlink_unicast+0x40e/0x5fe [ 1302.658732][ T2049] [] netlink_sendmsg+0x4e0/0x994 [ 1302.659781][ T2049] [] sock_sendmsg+0xa0/0xc4 [ 1302.660978][ T2049] [] __sys_sendto+0x1f2/0x2e0 [ 1302.662396][ T2049] [] sys_sendto+0x3e/0x52 [ 1302.663475][ T2049] [] ret_from_syscall+0x0/0x2 [ 1302.664861][ T2049] SMP: stopping secondary CPUs [ 1302.667147][ T2049] Rebooting in 86400 seconds.. VM DIAGNOSIS: 22:03:13 Registers: info registers vcpu 0 pc ffffffff80dc337e mhartid 0000000000000000 mstatus 00000000000000a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff831afd22 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80dc337e x2/sp ffffaf800ba0db90 x3/gp ffffffff85863ac0 x4/tp ffffaf800a141840 x5/t0 ffffffff86bcb657 x6/t1 31c9b722b45b8a00 x7/t2 0000000000000000 x8/s0 ffffaf800ba0dbc0 x9/s1 ffffffff86e58900 x10/a0 ffffffff86e58948 x11/a1 ffff8f800066c000 x12/a2 1ffffffff0dcb129 x13/a3 ffffffff80dc337e x14/a4 0000000000000000 x15/a5 ffffffff86e58948 x16/a6 ffffffff86e589f1 x17/a7 ffffffff80dcc2ca x18/s2 ffff8f800066c000 x19/s3 0000000000000020 x20/s4 ffffffff86e58900 x21/s5 ffffffff80dc333e x22/s6 0000000000000000 x23/s7 ffffffff86bcb67d x24/s8 0000000000000010 x25/s9 ffffffff86e58958 x26/s10 0000000000000010 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001741b20 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 info registers vcpu 1 pc ffffffff80c43990 mhartid 0000000000000001 mstatus 00000000000400a2 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc 00007fffb42cb264 mcause 0000000000000009 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80ad03b8 x2/sp ffffaf800b77f3f0 x3/gp ffffffff85863ac0 x4/tp ffffaf80075d6100 x5/t0 00007ffff28123cc x6/t1 00007ffff28123c8 x7/t2 0a1309045f2fbeed x8/s0 ffffaf800b77f5a0 x9/s1 00000000000005b4 x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff80ad03e2 x14/a4 fffff5ef016eff89 x15/a5 ffffaf800b77fc48 x16/a6 ffffaf8007bbe042 x17/a7 ffffaf8007bbe5f5 x18/s2 0000000000000000 x19/s3 ffffaf800b77fc48 x20/s4 0000000000002f7c x21/s5 0000000000000000 x22/s6 ffffaf800b77fc40 x23/s7 00000000000005b4 x24/s8 000000000000111c x25/s9 00000000000005b4 x26/s10 00000000000005b4 x27/s11 ffffaf800f424140 x28/t3 0000000000000010 x29/t4 0000000000000030 x30/t5 00000000000005b4 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