syzkaller login: [ 298.721050][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 298.777163][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 298.813445][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 310.744170][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:34591' (ECDSA) to the list of known hosts. 1970/01/01 00:05:56 fuzzer started 1970/01/01 00:06:14 dialing manager at localhost:44219 [ 381.024460][ T2025] cgroup: Unknown subsys name 'net' [ 382.124071][ T2025] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:06:21 syscalls: 2828 1970/01/01 00:06:21 code coverage: enabled 1970/01/01 00:06:21 comparison tracing: enabled 1970/01/01 00:06:21 extra coverage: enabled 1970/01/01 00:06:21 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:06:21 setuid sandbox: enabled 1970/01/01 00:06:21 namespace sandbox: enabled 1970/01/01 00:06:21 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:06:21 fault injection: enabled 1970/01/01 00:06:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:06:21 net packet injection: enabled 1970/01/01 00:06:21 net device setup: enabled 1970/01/01 00:06:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:06:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:06:21 USB emulation: enabled 1970/01/01 00:06:21 hci packet injection: /dev/vhci does not exist 1970/01/01 00:06:21 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:06:21 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:06:22 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:06:27 fetching corpus: 50, signal 30851/34490 (executing program) 1970/01/01 00:06:32 fetching corpus: 100, signal 49119/54197 (executing program) 1970/01/01 00:06:36 fetching corpus: 150, signal 66256/72603 (executing program) 1970/01/01 00:06:38 fetching corpus: 200, signal 72670/80446 (executing program) 1970/01/01 00:06:41 fetching corpus: 250, signal 78328/87465 (executing program) 1970/01/01 00:06:44 fetching corpus: 300, signal 83575/94012 (executing program) 1970/01/01 00:06:46 fetching corpus: 350, signal 89056/100718 (executing 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(executing program) 1970/01/01 00:18:35 fetching corpus: 12717, signal 332540/336087 (executing program) 1970/01/01 00:18:37 fetching corpus: 12767, signal 332937/336087 (executing program) 1970/01/01 00:18:38 fetching corpus: 12776, signal 332983/336088 (executing program) 1970/01/01 00:18:38 fetching corpus: 12776, signal 332983/336090 (executing program) 1970/01/01 00:18:38 fetching corpus: 12776, signal 332983/336090 (executing program) 1970/01/01 00:20:46 starting 2 fuzzer processes 00:20:46 executing program 0: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff0000}]}) bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0x10, 0x3, &(0x7f0000000000)=@framed, &(0x7f00000001c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x80) 00:20:46 executing program 1: r0 = socket$can_j1939(0x1d, 0x2, 0x7) getsockopt$SO_J1939_SEND_PRIO(r0, 0x6b, 0x4, &(0x7f0000000180), &(0x7f0000000200)=0x4) [ 1276.989631][ T2044] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1277.185978][ T2044] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1279.325683][ T2046] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1279.444038][ T2046] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1290.206460][ T2044] device hsr_slave_0 entered promiscuous mode [ 1290.253159][ T2044] device hsr_slave_1 entered promiscuous mode [ 1294.171775][ T2046] device hsr_slave_0 entered promiscuous mode [ 1294.195662][ T2046] device hsr_slave_1 entered promiscuous mode [ 1294.225841][ T2046] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1294.235558][ T2046] Cannot create hsr debugfs directory [ 1304.482063][ T2044] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1305.022743][ T2044] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1305.362342][ T2044] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1305.631031][ T2044] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1308.606859][ T2046] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1308.782862][ T2046] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1309.022331][ T2046] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1309.405851][ T2046] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1330.125263][ T2044] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1330.774056][ T2046] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __kmalloc+0x318/0x318 [ 1330.777574][ T2046] CPU: 1 PID: 2046 Comm: syz-executor.0 Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1330.781150][ T2046] Hardware name: riscv-virtio,qemu (DT) [ 1330.782398][ T2046] Call Trace: [ 1330.783359][ T2046] [] dump_backtrace+0x2e/0x3c [ 1330.784686][ T2046] [] show_stack+0x34/0x40 [ 1330.785746][ T2046] [] dump_stack_lvl+0xe4/0x150 [ 1330.786952][ T2046] [] dump_stack+0x1c/0x24 [ 1330.788452][ T2046] [] panic+0x24a/0x634 [ 1330.789722][ T2046] [] warn_bogus_irq_restore+0x0/0x34 [ 1330.790946][ T2046] [] kmem_cache_alloc_node_trace+0x0/0x2e2 [ 1330.792173][ T2046] [] kmemdup+0x2a/0x5a [ 1330.793241][ T2046] [] sctp_addr_wq_mgmt+0x37a/0x4f0 [ 1330.794536][ T2046] [] sctp_inet6addr_event+0x4b8/0x4c4 [ 1330.795721][ T2046] [] notifier_call_chain+0xb8/0x188 [ 1330.796932][ T2046] [] atomic_notifier_call_chain+0x76/0x1a8 [ 1330.798482][ T2046] [] inet6addr_notifier_call_chain+0x2c/0x38 [ 1330.800037][ T2046] [] ipv6_add_addr+0xee6/0x12f2 [ 1330.801146][ T2046] [] add_addr+0xc8/0x274 [ 1330.802269][ T2046] [] add_v4_addrs+0x4a8/0x640 [ 1330.803522][ T2046] [] addrconf_notify+0x784/0x1360 [ 1330.804753][ T2046] [] notifier_call_chain+0xb8/0x188 [ 1330.805950][ T2046] [] raw_notifier_call_chain+0x2a/0x38 [ 1330.807243][ T2046] [] call_netdevice_notifiers_info+0x9e/0x10c [ 1330.808836][ T2046] [] __dev_notify_flags+0x108/0x1fa [ 1330.810143][ T2046] [] dev_change_flags+0x9c/0xba [ 1330.811410][ T2046] [] do_setlink+0x5d6/0x21c4 [ 1330.812685][ T2046] [] __rtnl_newlink+0x99e/0xfa0 [ 1330.813983][ T2046] [] rtnl_newlink+0x60/0x8c [ 1330.815129][ T2046] [] rtnetlink_rcv_msg+0x338/0x9a0 [ 1330.816319][ T2046] [] netlink_rcv_skb+0xf8/0x2be [ 1330.817543][ T2046] [] rtnetlink_rcv+0x26/0x30 [ 1330.819108][ T2046] [] netlink_unicast+0x40e/0x5fe [ 1330.820659][ T2046] [] netlink_sendmsg+0x4e0/0x994 [ 1330.821795][ T2046] [] sock_sendmsg+0xa0/0xc4 [ 1330.823093][ T2046] [] __sys_sendto+0x1f2/0x2e0 [ 1330.824349][ T2046] [] sys_sendto+0x3e/0x52 [ 1330.825500][ T2046] [] ret_from_syscall+0x0/0x2 [ 1330.826993][ T2046] SMP: stopping secondary CPUs [ 1330.831120][ T2046] Rebooting in 86400 seconds.. VM DIAGNOSIS: 15:37:06 Registers: info registers vcpu 0 pc ffffffff801225f8 mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80c2de3e sepc ffffffff80166db4 mcause 8000000000000007 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff801225f0 x2/sp ffffaf80233da110 x3/gp ffffffff85863ac0 x4/tp ffffaf800bc70000 x5/t0 ffffffff84a98468 x6/t1 fffff5ef0467b3e0 x7/t2 0000000000000000 x8/s0 ffffaf80233da140 x9/s1 0000000000000000 x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff801225f0 x14/a4 ffffaf800bc71000 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffaf80233d9f07 x18/s2 ffffffff86c1a628 x19/s3 0000000000000000 x20/s4 ffffffff80121ba4 x21/s5 ffffffff838d2e60 x22/s6 ffffffff80121ba4 x23/s7 0000000000000000 x24/s8 0000000000000000 x25/s9 ffffffff85869700 x26/s10 0000000000014fe9 x27/s11 0000000000000002 x28/t3 1ffff5f00467b448 x29/t4 fffff5ef0467b3e0 x30/t5 fffff5ef0467b3e1 x31/t6 ffffffff86bd9376 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 ffffffff8233751e mhartid 0000000000000001 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80475ab2 sepc ffffffff801165e0 mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8233751a x2/sp ffffaf802419b2e0 x3/gp ffffffff85863ac0 x4/tp ffffaf8011cd9840 x5/t0 0000000000046000 x6/t1 00f9eab741bec000 x7/t2 ffffffff80469750 x8/s0 ffffaf802419b2f0 x9/s1 ffffffff84b8e270 x10/a0 000000031e43a31d x11/a1 00000000000f0000 x12/a2 0000000000010001 x13/a3 ffffffff8233751a x14/a4 ffffaf8011cd9840 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 e39fd08ca7000000 x18/s2 0000000000001000 x19/s3 0000000000000004 x20/s4 1ffff5f004833678 x21/s5 ffffffff84b8e240 x22/s6 ffffffff8586fd20 x23/s7 ffffffff84b8e270 x24/s8 ffffffff86c1a620 x25/s9 ffffaf8011cd9840 x26/s10 ffffaf805a9d8c98 x27/s11 ffffffff8018e412 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f004833620 x31/t6 ffffaf8011cd9c68 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