Warning: Permanently added '10.128.1.62' (ECDSA) to the list of known hosts. syzkaller login: [ 60.988525][ T7032] IPVS: ftp: loaded support on port[0] = 21 [ 61.086554][ T7032] chnl_net:caif_netlink_parms(): no params data found [ 61.138213][ T7032] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.146161][ T7032] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.154749][ T7032] device bridge_slave_0 entered promiscuous mode [ 61.164789][ T7032] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.172294][ T7032] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.180437][ T7032] device bridge_slave_1 entered promiscuous mode [ 61.201313][ T7032] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.213230][ T7032] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.236447][ T7032] team0: Port device team_slave_0 added [ 61.243879][ T7032] team0: Port device team_slave_1 added [ 61.262616][ T7032] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 61.269723][ T7032] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.296444][ T7032] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 61.310267][ T7032] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 61.317224][ T7032] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 61.343444][ T7032] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 61.412128][ T7032] device hsr_slave_0 entered promiscuous mode [ 61.478569][ T7032] device hsr_slave_1 entered promiscuous mode [ 61.604890][ T7032] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.651710][ T7032] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.710822][ T7032] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.751194][ T7032] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.824665][ T7032] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.832963][ T7032] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.840989][ T7032] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.848164][ T7032] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.894257][ T7032] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.910365][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.920931][ T2699] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.929497][ T2699] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.937583][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 61.952106][ T7032] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.963225][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.972483][ T2721] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.979633][ T2721] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.991521][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.000595][ T2712] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.007760][ T2712] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.029674][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.048617][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.056868][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.067877][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.076725][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.087186][ T7032] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.106146][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.113737][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.127310][ T7032] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.151123][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 62.161594][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 62.182842][ T7032] device veth0_vlan entered promiscuous mode [ 62.189940][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 62.198966][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 62.207483][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 62.217154][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 62.232726][ T7032] device veth1_vlan entered promiscuous mode [ 62.254777][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 62.263870][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 62.272135][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 62.281178][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 62.292485][ T7032] device veth0_macvtap entered promiscuous mode [ 62.303625][ T7032] device veth1_macvtap entered promiscuous mode [ 62.320741][ T7032] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 62.329861][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 62.338888][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 62.347927][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 62.356737][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 62.369398][ T7032] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 62.378002][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 62.386667][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 65.668702][ C0] ================================================================== [ 65.676922][ C0] BUG: KASAN: slab-out-of-bounds in ip_icmp_error+0x52a/0x5a0 [ 65.684372][ C0] Read of size 1 at addr ffff888092875fff by task ksoftirqd/0/9 [ 65.692236][ C0] [ 65.694557][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.7.0-rc6-syzkaller #0 [ 65.703212][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.713363][ C0] Call Trace: [ 65.716708][ C0] dump_stack+0x188/0x20d [ 65.721282][ C0] print_address_description.constprop.0.cold+0xd3/0x413 [ 65.728296][ C0] ? skb_splice_bits+0x1a0/0x1a0 [ 65.733232][ C0] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 65.739035][ C0] ? vprintk_func+0x81/0x17e [ 65.743619][ C0] ? ip_icmp_error+0x52a/0x5a0 [ 65.748394][ C0] __kasan_report.cold+0x20/0x38 [ 65.753319][ C0] ? ip_icmp_error+0x52a/0x5a0 [ 65.758107][ C0] ? ip_icmp_error+0x52a/0x5a0 [ 65.762852][ C0] kasan_report+0x33/0x50 [ 65.767165][ C0] ip_icmp_error+0x52a/0x5a0 [ 65.771753][ C0] tcp_v4_err+0x9b2/0x1d00 [ 65.776176][ C0] ? tcp_v4_do_rcv+0x8b0/0x8b0 [ 65.780934][ C0] icmp_socket_deliver+0x1e4/0x360 [ 65.786037][ C0] icmp_unreach+0x33b/0xab0 [ 65.790528][ C0] icmp_rcv+0xee6/0x15f0 [ 65.794780][ C0] ip_protocol_deliver_rcu+0x57/0x880 [ 65.800177][ C0] ip_local_deliver_finish+0x220/0x360 [ 65.805623][ C0] ip_local_deliver+0x1c8/0x4e0 [ 65.810472][ C0] ? ip_local_deliver_finish+0x360/0x360 [ 65.816347][ C0] ? ip_rcv+0x24e/0x3c0 [ 65.820501][ C0] ? ip_protocol_deliver_rcu+0x880/0x880 [ 65.826119][ C0] ? lock_downgrade+0x840/0x840 [ 65.830983][ C0] ? ip_rcv_finish_core.isra.0+0x606/0x1ec0 [ 65.836878][ C0] ip_rcv_finish+0x1da/0x2f0 [ 65.841470][ C0] ip_rcv+0xd0/0x3c0 [ 65.845350][ C0] ? ip_local_deliver+0x4e0/0x4e0 [ 65.850380][ C0] ? ip_rcv_finish_core.isra.0+0x1ec0/0x1ec0 [ 65.856430][ C0] ? ip_local_deliver+0x4e0/0x4e0 [ 65.861441][ C0] __netif_receive_skb_one_core+0x114/0x180 [ 65.867329][ C0] ? __netif_receive_skb_core+0x31c0/0x31c0 [ 65.873216][ C0] ? do_raw_spin_lock+0x129/0x2e0 [ 65.878222][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 65.883156][ C0] __netif_receive_skb+0x27/0x1c0 [ 65.888182][ C0] process_backlog+0x21e/0x7a0 [ 65.892928][ C0] ? net_rx_action+0x25f/0x1070 [ 65.897761][ C0] net_rx_action+0x4c2/0x1070 [ 65.902438][ C0] ? napi_busy_loop+0x9e0/0x9e0 [ 65.907284][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.913346][ C0] __do_softirq+0x26c/0x9f7 [ 65.917839][ C0] ? takeover_tasklets+0x810/0x810 [ 65.922943][ C0] run_ksoftirqd+0x89/0x100 [ 65.927636][ C0] smpboot_thread_fn+0x653/0x9e0 [ 65.932585][ C0] ? __smpboot_create_thread.part.0+0x340/0x340 [ 65.938814][ C0] ? __kthread_parkme+0x13f/0x1e0 [ 65.943831][ C0] ? __smpboot_create_thread.part.0+0x340/0x340 [ 65.950086][ C0] kthread+0x388/0x470 [ 65.954154][ C0] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.959863][ C0] ret_from_fork+0x24/0x30 [ 65.964267][ C0] [ 65.966577][ C0] Allocated by task 1: [ 65.970634][ C0] save_stack+0x1b/0x40 [ 65.974886][ C0] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 65.980637][ C0] kmem_cache_alloc+0x11b/0x740 [ 65.985555][ C0] getname_flags+0xd2/0x5b0 [ 65.990043][ C0] user_path_at_empty+0x2a/0x50 [ 65.994878][ C0] vfs_statx+0x119/0x1e0 [ 65.999150][ C0] __do_sys_newlstat+0x96/0x120 [ 66.003984][ C0] do_syscall_64+0xf6/0x7d0 [ 66.008473][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 66.014346][ C0] [ 66.016658][ C0] Freed by task 1: [ 66.020364][ C0] save_stack+0x1b/0x40 [ 66.024518][ C0] __kasan_slab_free+0xf7/0x140 [ 66.029367][ C0] kmem_cache_free+0x7f/0x320 [ 66.034022][ C0] putname+0xe1/0x120 [ 66.038193][ C0] filename_lookup+0x282/0x3e0 [ 66.042950][ C0] vfs_statx+0x119/0x1e0 [ 66.047210][ C0] __do_sys_newlstat+0x96/0x120 [ 66.052065][ C0] do_syscall_64+0xf6/0x7d0 [ 66.056551][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 66.062428][ C0] [ 66.064740][ C0] The buggy address belongs to the object at ffff888092874700 [ 66.064740][ C0] which belongs to the cache names_cache of size 4096 [ 66.078862][ C0] The buggy address is located 2303 bytes to the right of [ 66.078862][ C0] 4096-byte region [ffff888092874700, ffff888092875700) [ 66.092895][ C0] The buggy address belongs to the page: [ 66.098513][ C0] page:ffffea00024a1d00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 head:ffffea00024a1d00 order:1 compound_mapcount:0 [ 66.111938][ C0] flags: 0xfffe0000010200(slab|head) [ 66.118781][ C0] raw: 00fffe0000010200 ffffea000224e408 ffffea00023c7888 ffff8880aa1ec000 [ 66.127351][ C0] raw: 0000000000000000 ffff888092874700 0000000100000001 0000000000000000 [ 66.136130][ C0] page dumped because: kasan: bad access detected [ 66.142518][ C0] [ 66.144829][ C0] Memory state around the buggy address: [ 66.150447][ C0] ffff888092875e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 66.158489][ C0] ffff888092875f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 66.166527][ C0] >ffff888092875f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 66.174579][ C0] ^ [ 66.182536][ C0] ffff888092876000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 66.190616][ C0] ffff888092876080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 66.198683][ C0] ================================================================== [ 66.207069][ C0] Disabling lock debugging due to kernel taint [ 66.213262][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 66.219851][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G B 5.7.0-rc6-syzkaller #0 [ 66.229293][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.239341][ C0] Call Trace: [ 66.242644][ C0] dump_stack+0x188/0x20d [ 66.246970][ C0] panic+0x2e3/0x75c [ 66.251637][ C0] ? add_taint.cold+0x16/0x16 [ 66.256306][ C0] ? ip_icmp_error+0x52a/0x5a0 [ 66.261068][ C0] ? trace_hardirqs_on+0x55/0x220 [ 66.266171][ C0] ? ip_icmp_error+0x52a/0x5a0 [ 66.270912][ C0] end_report+0x4d/0x53 [ 66.275049][ C0] __kasan_report.cold+0xd/0x38 [ 66.279877][ C0] ? ip_icmp_error+0x52a/0x5a0 [ 66.284635][ C0] ? ip_icmp_error+0x52a/0x5a0 [ 66.289393][ C0] kasan_report+0x33/0x50 [ 66.294310][ C0] ip_icmp_error+0x52a/0x5a0 [ 66.299036][ C0] tcp_v4_err+0x9b2/0x1d00 [ 66.303457][ C0] ? tcp_v4_do_rcv+0x8b0/0x8b0 [ 66.308305][ C0] icmp_socket_deliver+0x1e4/0x360 [ 66.313417][ C0] icmp_unreach+0x33b/0xab0 [ 66.317915][ C0] icmp_rcv+0xee6/0x15f0 [ 66.322156][ C0] ip_protocol_deliver_rcu+0x57/0x880 [ 66.327531][ C0] ip_local_deliver_finish+0x220/0x360 [ 66.332983][ C0] ip_local_deliver+0x1c8/0x4e0 [ 66.337828][ C0] ? ip_local_deliver_finish+0x360/0x360 [ 66.343527][ C0] ? ip_rcv+0x24e/0x3c0 [ 66.347664][ C0] ? ip_protocol_deliver_rcu+0x880/0x880 [ 66.353301][ C0] ? lock_downgrade+0x840/0x840 [ 66.358153][ C0] ? ip_rcv_finish_core.isra.0+0x606/0x1ec0 [ 66.364024][ C0] ip_rcv_finish+0x1da/0x2f0 [ 66.368610][ C0] ip_rcv+0xd0/0x3c0 [ 66.372482][ C0] ? ip_local_deliver+0x4e0/0x4e0 [ 66.377507][ C0] ? ip_rcv_finish_core.isra.0+0x1ec0/0x1ec0 [ 66.383463][ C0] ? ip_local_deliver+0x4e0/0x4e0 [ 66.388467][ C0] __netif_receive_skb_one_core+0x114/0x180 [ 66.394346][ C0] ? __netif_receive_skb_core+0x31c0/0x31c0 [ 66.400215][ C0] ? do_raw_spin_lock+0x129/0x2e0 [ 66.405211][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 66.410143][ C0] __netif_receive_skb+0x27/0x1c0 [ 66.415153][ C0] process_backlog+0x21e/0x7a0 [ 66.419911][ C0] ? net_rx_action+0x25f/0x1070 [ 66.424769][ C0] net_rx_action+0x4c2/0x1070 [ 66.429447][ C0] ? napi_busy_loop+0x9e0/0x9e0 [ 66.434288][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 66.441049][ C0] __do_softirq+0x26c/0x9f7 [ 66.446229][ C0] ? takeover_tasklets+0x810/0x810 [ 66.451318][ C0] run_ksoftirqd+0x89/0x100 [ 66.455797][ C0] smpboot_thread_fn+0x653/0x9e0 [ 66.460712][ C0] ? __smpboot_create_thread.part.0+0x340/0x340 [ 66.466981][ C0] ? __kthread_parkme+0x13f/0x1e0 [ 66.471980][ C0] ? __smpboot_create_thread.part.0+0x340/0x340 [ 66.478196][ C0] kthread+0x388/0x470 [ 66.482315][ C0] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 66.488163][ C0] ret_from_fork+0x24/0x30 [ 66.493912][ C0] Kernel Offset: disabled [ 66.498837][ C0] Rebooting in 86400 seconds..