syzkaller login: [  295.074808][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[  295.175146][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[  295.225353][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
[  327.452511][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'.
Warning: Permanently added '[localhost]:65226' (ECDSA) to the list of known hosts.
1970/01/01 00:06:23 fuzzer started
1970/01/01 00:06:39 dialing manager at localhost:42225
[  406.808240][ T2031] cgroup: Unknown subsys name 'net'
[  408.064308][ T2031] cgroup: Unknown subsys name 'rlimit'
1970/01/01 00:06:47 syscalls: 2853
1970/01/01 00:06:47 code coverage: enabled
1970/01/01 00:06:47 comparison tracing: enabled
1970/01/01 00:06:47 extra coverage: enabled
1970/01/01 00:06:47 delay kcov mmap: mmap returned an invalid pointer
1970/01/01 00:06:47 setuid sandbox: enabled
1970/01/01 00:06:47 namespace sandbox: enabled
1970/01/01 00:06:47 Android sandbox: /sys/fs/selinux/policy does not exist
1970/01/01 00:06:47 fault injection: enabled
1970/01/01 00:06:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
1970/01/01 00:06:47 net packet injection: enabled
1970/01/01 00:06:47 net device setup: enabled
1970/01/01 00:06:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
1970/01/01 00:06:47 devlink PCI setup: PCI device 0000:00:10.0 is not available
1970/01/01 00:06:47 USB emulation: enabled
1970/01/01 00:06:47 hci packet injection: /dev/vhci does not exist
1970/01/01 00:06:47 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
1970/01/01 00:06:47 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist
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1970/01/01 00:15:27 starting 2 fuzzer processes
00:15:27 executing program 0:
r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000340)='/proc/tty/drivers\x00', 0x0, 0x0)
preadv2(r0, &(0x7f0000000080)=[{&(0x7f0000000040)=""/23, 0x17}], 0x1, 0x0, 0x0, 0x0)

00:15:27 executing program 1:
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x6, 0x3, &(0x7f0000001a40)=@framed, &(0x7f00000001c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x78)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000380)={r0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18, 0x0, &(0x7f0000000300)="78706a8de681ae60d9371ae1c45969e05446c675f79d472d"}, 0x48)

[  963.647226][ T2050] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  964.215834][ T2050] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  964.817901][ T2051] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  965.757138][ T2051] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  976.507804][ T2050] device hsr_slave_0 entered promiscuous mode
[  976.595253][ T2050] device hsr_slave_1 entered promiscuous mode
[  978.432283][ T2051] device hsr_slave_0 entered promiscuous mode
[  978.476612][ T2051] device hsr_slave_1 entered promiscuous mode
[  978.511111][ T2051] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[  978.518520][ T2051] Cannot create hsr debugfs directory
[  986.457324][ T2050] netdevsim netdevsim1 netdevsim0: renamed from eth0
[  986.670005][ T2050] netdevsim netdevsim1 netdevsim1: renamed from eth1
[  986.949346][ T2050] netdevsim netdevsim1 netdevsim2: renamed from eth2
[  987.637001][ T2050] netdevsim netdevsim1 netdevsim3: renamed from eth3
[  989.120786][ T2051] netdevsim netdevsim0 netdevsim0: renamed from eth0
[  989.525097][ T2051] netdevsim netdevsim0 netdevsim1: renamed from eth1
[  989.734475][ T2051] netdevsim netdevsim0 netdevsim2: renamed from eth2
[  989.887733][ T2051] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 1001.702592][ T2050] 8021q: adding VLAN 0 to HW filter on device bond0
[ 1002.495872][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 1002.598689][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 1002.977678][ T2051] 8021q: adding VLAN 0 to HW filter on device bond0
[ 1003.517251][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 1003.541247][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 1010.822568][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 1010.880818][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 1011.080104][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 1011.131675][ T2674] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 1011.501338][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 1011.859874][ T2032] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 1011.948745][ T2032] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 1011.997475][ T2032] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 1012.359094][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 1012.398931][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 1012.745502][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 1013.105371][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 1013.248131][ T2032] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 1013.301130][ T2032] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 1014.029402][ T2050] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 1014.052480][ T2050] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 1014.448476][ T2032] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 1014.508691][ T2032] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 1014.598700][ T2032] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 1014.645389][ T2032] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 1014.867415][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 1014.912665][ T2210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 1015.081759][ T2051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 1016.409024][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 1016.422170][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 1016.431424][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 1016.440034][    T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 1041.200457][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 1041.290299][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 1043.434644][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 1043.528653][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 1052.887096][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 1052.949854][ T2111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 1053.201304][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 1053.277296][   T20] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 1053.488831][ T2050] device veth0_vlan entered promiscuous mode
[ 1054.728184][ T2050] device veth1_vlan entered promiscuous mode
[ 1055.197776][ T2050] Kernel panic - not syncing: corrupted stack end detected inside scheduler
[ 1055.202085][ T2050] CPU: 0 PID: 2050 Comm: syz-executor.1 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0
[ 1055.206568][ T2050] Hardware name: riscv-virtio,qemu (DT)
[ 1055.208093][ T2050] Call Trace:
[ 1055.209196][ T2050] [<ffffffff8000a228>] dump_backtrace+0x2e/0x3c
[ 1055.210806][ T2050] [<ffffffff831668cc>] show_stack+0x34/0x40
[ 1055.211904][ T2050] [<ffffffff831756ba>] dump_stack_lvl+0xe4/0x150
[ 1055.215118][ T2050] [<ffffffff83175742>] dump_stack+0x1c/0x24
[ 1055.216967][ T2050] [<ffffffff83166fa8>] panic+0x24a/0x634
[ 1055.218323][ T2050] [<ffffffff831a688a>] schedule+0x0/0x14c
[ 1055.219806][ T2050] [<ffffffff831a6c62>] preempt_schedule_notrace+0x9c/0x19a
[ 1055.221189][ T2050] [<ffffffff8010f014>] trace_lock_acquire+0xd6/0x1fc
[ 1055.222482][ T2050] [<ffffffff801167fe>] lock_acquire+0x28/0x6a
[ 1055.224167][ T2050] [<ffffffff8040f5da>] fs_reclaim_acquire+0xb4/0xda
[ 1055.225576][ T2050] [<ffffffff80470396>] kmem_cache_alloc_trace+0x4c/0x2e0
[ 1055.226763][ T2050] [<ffffffff80c00e38>] ref_tracker_alloc+0x10c/0x33e
[ 1055.228226][ T2050] [<ffffffff82be00b6>] fib_create_info+0x228c/0x2d8e
[ 1055.229705][ T2050] [<ffffffff82becedc>] fib_table_insert+0x1a0/0xebe
[ 1055.231111][ T2050] [<ffffffff82bd1222>] fib_magic+0x3f4/0x438
[ 1055.232613][ T2050] [<ffffffff82bd6178>] fib_add_ifaddr+0xd2/0x2e2
[ 1055.234967][ T2050] [<ffffffff82bd797e>] fib_inetaddr_event+0xfe/0x19e
[ 1055.236481][ T2050] [<ffffffff800aac84>] notifier_call_chain+0xb8/0x188
[ 1055.237916][ T2050] [<ffffffff800ab16c>] blocking_notifier_call_chain+0x50/0x78
[ 1055.239433][ T2050] [<ffffffff82baf09c>] __inet_insert_ifa+0x6ca/0x7e4
[ 1055.240848][ T2050] [<ffffffff82bb200c>] inet_rtm_newaddr+0x7c2/0xbc2
[ 1055.242302][ T2050] [<ffffffff8276b46c>] rtnetlink_rcv_msg+0x338/0x9a0
[ 1055.244328][ T2050] [<ffffffff8296ded2>] netlink_rcv_skb+0xf8/0x2be
[ 1055.245699][ T2050] [<ffffffff827624f4>] rtnetlink_rcv+0x26/0x30
[ 1055.247052][ T2050] [<ffffffff8296cbcc>] netlink_unicast+0x40e/0x5fe
[ 1055.249293][ T2050] [<ffffffff8296d29c>] netlink_sendmsg+0x4e0/0x994
[ 1055.251009][ T2050] [<ffffffff826d264e>] sock_sendmsg+0xa0/0xc4
[ 1055.252706][ T2050] [<ffffffff826d7026>] __sys_sendto+0x1f2/0x2e0
[ 1055.254965][ T2050] [<ffffffff826d7152>] sys_sendto+0x3e/0x52
[ 1055.256525][ T2050] [<ffffffff80005716>] ret_from_syscall+0x0/0x2
[ 1055.258405][ T2050] SMP: stopping secondary CPUs
[ 1055.261452][ T2050] Rebooting in 86400 seconds..

VM DIAGNOSIS:
19:25:11  Registers:
info registers vcpu 0
 pc       ffffffff80dc337e
 mhartid  0000000000000000
 mstatus  00000000000000a0
 mip      00000000000000a0
 mie      000000000000022a
 mideleg  0000000000000222
 medeleg  000000000000b109
 mtvec    0000000080000540
 stvec    ffffffff800055d4
 mepc     ffffffff80c2b5fe
 sepc     ffffffff8010b26a
 mcause   8000000000000007
 scause   8000000000000005
 mtval  0000000000000000
 stval  0000000000000000
 x0/zero 0000000000000000 x1/ra ffffffff80dc337e x2/sp ffffaf800741a320 x3/gp ffffffff85863ac0
 x4/tp ffffaf800a1448c0 x5/t0 ffffffff86bcb657 x6/t1 988a0b5ce348ab00 x7/t2 0000000000000000
 x8/s0 ffffaf800741a350 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 0000000000000075
 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 1ffff5f000e83414 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       ffffffff80154c56
 mhartid  0000000000000001
 mstatus  00000000000001a0
 mip      00000000000000a0
 mie      000000000000020a
 mideleg  0000000000000222
 medeleg  000000000000b109
 mtvec    0000000080000540
 stvec    ffffffff800055d4
 mepc     ffffffff80c2679c
 sepc     ffffffff80c2679c
 mcause   8000000000000007
 scause   8000000000000005
 mtval  0000000000000000
 stval  0000000000000000
 x0/zero 0000000000000000 x1/ra ffffffff80154c56 x2/sp ffffaf800b83f540 x3/gp ffffffff85863ac0
 x4/tp ffffaf800b9eb080 x5/t0 0000000000046000 x6/t1 988a0b5ce348ab00 x7/t2 0000000000000028
 x8/s0 ffffaf800b83f720 x9/s1 ffffaf805a9f59c0 x10/a0 ffffaf805a9e45d8 x11/a1 0000000000000003
 x12/a2 1ffff5f00b53c8bb x13/a3 ffffffff80154c56 x14/a4 0000000000000000 x15/a5 ffffaf805a9e45d8
 x16/a6 0000000000f00000 x17/a7 ffffffff8018e490 x18/s2 ffffffff86c1a620 x19/s3 ffffffff8586fd20
 x20/s4 ffffffff84b78280 x21/s5 0000000000000000 x22/s6 ffffaf805a9e45d8 x23/s7 ffffaf805a9f59d8
 x24/s8 ffffffff86c1a628 x25/s9 ffffaf800b9eb080 x26/s10 ffffffff858296b8 x27/s11 ffffaf800b83f6a0
 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001707e94 x31/t6 0000000000000003
 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