DUID 00:04:87:04:3c:41:30:05:a7:f7:d5:81:12:9d:2d:df:74:1f forked to background, child pid 3174 [ 28.919970][ T3175] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.930455][ T3175] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. syzkaller login: [ 50.366119][ T3590] chnl_net:caif_netlink_parms(): no params data found [ 50.406728][ T3590] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.414454][ T3590] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.422618][ T3590] device bridge_slave_0 entered promiscuous mode [ 50.431266][ T3590] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.438540][ T3590] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.446532][ T3590] device bridge_slave_1 entered promiscuous mode [ 50.466613][ T3590] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.478077][ T3590] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.501321][ T3590] team0: Port device team_slave_0 added [ 50.509309][ T3590] team0: Port device team_slave_1 added [ 50.526571][ T3590] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.533552][ T3590] 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. [ 50.559794][ T3590] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.572731][ T3590] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.579675][ T3590] 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. [ 50.605695][ T3590] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.632078][ T3590] device hsr_slave_0 entered promiscuous mode [ 50.638740][ T3590] device hsr_slave_1 entered promiscuous mode [ 50.718914][ T3590] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 50.729907][ T3590] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 50.739239][ T3590] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 50.748138][ T3590] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 50.770527][ T3590] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.777721][ T3590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.785436][ T3590] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.792549][ T3590] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.835702][ T3590] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.848283][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.858832][ T3595] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.867289][ T3595] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.876698][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.889598][ T3590] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.899844][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.908667][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.915753][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.936047][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.944438][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.951541][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.959662][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.969192][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.985934][ T3590] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.997852][ T3590] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.013433][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.021960][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.030497][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.039768][ T1153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.059334][ T3590] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.067495][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 51.075663][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 51.185029][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.204168][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.212648][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.220247][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.231535][ T3590] device veth0_vlan entered promiscuous mode [ 51.242266][ T3590] device veth1_vlan entered promiscuous mode [ 51.259542][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 51.268647][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 51.277030][ T3598] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.288793][ T3590] device veth0_macvtap entered promiscuous mode [ 51.298217][ T3590] device veth1_macvtap entered promiscuous mode [ 51.314211][ T3590] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.321783][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.330653][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 51.343911][ T3590] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.352575][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.363929][ T3590] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.372843][ T3590] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.381719][ T3590] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 51.390415][ T3590] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.427604][ T3590] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:256 [ 51.437312][ T3590] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3590, name: syz-executor266 [ 51.446972][ T3590] preempt_count: 1, expected: 0 [ 51.451853][ T3590] RCU nest depth: 0, expected: 0 [ 51.456784][ T3590] 3 locks held by syz-executor266/3590: [ 51.462354][ T3590] #0: ffffffff8d3c09f0 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 [ 51.470585][ T3590] #1: ffffffff8d3c0aa8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 [ 51.479585][ T3590] #2: ffff888015bd8318 (&pnettable->lock){+.+.}-{2:2}, at: smc_pnet_add+0x46e/0x1710 [ 51.489242][ T3590] Preemption disabled at: [ 51.489254][ T3590] [<0000000000000000>] 0x0 [ 51.498022][ T3590] CPU: 1 PID: 3590 Comm: syz-executor266 Not tainted 5.17.0-rc2-syzkaller-00180-g28f922213886 #0 [ 51.508502][ T3590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.518535][ T3590] Call Trace: [ 51.521801][ T3590] [ 51.524720][ T3590] dump_stack_lvl+0xcd/0x134 [ 51.529298][ T3590] __might_resched.cold+0x222/0x26b [ 51.534481][ T3590] kmem_cache_alloc_trace+0x25d/0x2c0 [ 51.539842][ T3590] ref_tracker_alloc+0x10a/0x460 [ 51.544764][ T3590] ? ref_tracker_dir_print+0x90/0x90 [ 51.550035][ T3590] ? lock_release+0x720/0x720 [ 51.554702][ T3590] ? do_raw_write_lock+0x11a/0x280 [ 51.559795][ T3590] ? do_raw_read_unlock+0x70/0x70 [ 51.564803][ T3590] ? rcu_read_lock_sched_held+0x3a/0x70 [ 51.570337][ T3590] smc_pnet_add+0x78f/0x1710 [ 51.574916][ T3590] ? smc_pnet_find_ndev_pnetid_by_table+0x3f0/0x3f0 [ 51.581498][ T3590] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.587732][ T3590] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 51.595102][ T3590] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 51.602376][ T3590] genl_family_rcv_msg_doit+0x228/0x320 [ 51.607910][ T3590] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 51.615552][ T3590] ? mutex_lock_io_nested+0x1150/0x1150 [ 51.621096][ T3590] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.627325][ T3590] ? ns_capable+0xd9/0x100 [ 51.631730][ T3590] genl_rcv_msg+0x328/0x580 [ 51.636222][ T3590] ? genl_get_cmd+0x480/0x480 [ 51.640882][ T3590] ? smc_pnet_find_ndev_pnetid_by_table+0x3f0/0x3f0 [ 51.647462][ T3590] ? lock_release+0x720/0x720 [ 51.652132][ T3590] netlink_rcv_skb+0x153/0x420 [ 51.656880][ T3590] ? genl_get_cmd+0x480/0x480 [ 51.661548][ T3590] ? netlink_ack+0xa60/0xa60 [ 51.666124][ T3590] ? netlink_deliver_tap+0x1b1/0xc30 [ 51.671407][ T3590] genl_rcv+0x24/0x40 [ 51.675384][ T3590] netlink_unicast+0x539/0x7e0 [ 51.680161][ T3590] ? netlink_attachskb+0x880/0x880 [ 51.685267][ T3590] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.691505][ T3590] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.697753][ T3590] ? __phys_addr_symbol+0x2c/0x70 [ 51.702774][ T3590] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 51.708484][ T3590] ? __check_object_size+0x16e/0x310 [ 51.713767][ T3590] netlink_sendmsg+0x904/0xe00 [ 51.718538][ T3590] ? netlink_unicast+0x7e0/0x7e0 [ 51.723462][ T3590] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.729692][ T3590] ? netlink_unicast+0x7e0/0x7e0 [ 51.734629][ T3590] sock_sendmsg+0xcf/0x120 [ 51.739032][ T3590] ____sys_sendmsg+0x6e8/0x810 [ 51.743807][ T3590] ? kernel_sendmsg+0x50/0x50 [ 51.748468][ T3590] ? do_recvmmsg+0x6d0/0x6d0 [ 51.753042][ T3590] ? lock_chain_count+0x20/0x20 [ 51.757879][ T3590] ? lock_chain_count+0x20/0x20 [ 51.762716][ T3590] ? __stack_depot_save+0x35/0x500 [ 51.767818][ T3590] ? lock_downgrade+0x6e0/0x6e0 [ 51.772658][ T3590] ___sys_sendmsg+0xf3/0x170 [ 51.777251][ T3590] ? sendmsg_copy_msghdr+0x160/0x160 [ 51.782542][ T3590] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.788509][ T3590] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.794492][ T3590] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.800725][ T3590] ? __fget_light+0x215/0x280 [ 51.805386][ T3590] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.811618][ T3590] __sys_sendmsg+0xe5/0x1b0 [ 51.816107][ T3590] ? __sys_sendmsg_sock+0x30/0x30 [ 51.821142][ T3590] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.827040][ T3590] do_syscall_64+0x35/0xb0 [ 51.831438][ T3590] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.837342][ T3590] RIP: 0033:0x7f979ef8b4a9 [ 51.841765][ T3590] Code: 28 c3 e8 4a 15 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 51.861446][ T3590] RSP: 002b:00007fffc3499db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.869876][ T3590] RAX: ffffffffffffffda RBX: 00007fffc3499dc8 RCX: 00007f979ef8b4a9 [ 51.877834][ T3590