IPv6 header not found IPv6 header not found ====================================================== WARNING: possible circular locking dependency detected 4.14.170-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/14886 is trying to acquire lock: (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}, at: [] spin_lock include/linux/spinlock.h:317 [inline] (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}, at: [] __dev_xmit_skb net/core/dev.c:3202 [inline] (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}, at: [] __dev_queue_xmit+0x1f0f/0x25e0 net/core/dev.c:3493 but task is already holding lock: (_xmit_ETHER#2){+.-.}, at: [] spin_lock include/linux/spinlock.h:317 [inline] (_xmit_ETHER#2){+.-.}, at: [] __netif_tx_lock include/linux/netdevice.h:3536 [inline] (_xmit_ETHER#2){+.-.}, at: [] sch_direct_xmit+0x1fc/0x550 net/sched/sch_generic.c:184 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (_xmit_ETHER#2){+.-.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] __netif_tx_lock include/linux/netdevice.h:3536 [inline] sch_direct_xmit+0x1fc/0x550 net/sched/sch_generic.c:184 __dev_xmit_skb net/core/dev.c:3218 [inline] __dev_queue_xmit+0x1b6e/0x25e0 net/core/dev.c:3493 dev_queue_xmit+0x18/0x20 net/core/dev.c:3558 neigh_hh_output include/net/neighbour.h:490 [inline] neigh_output include/net/neighbour.h:498 [inline] ip6_finish_output2+0x10c9/0x21b0 net/ipv6/ip6_output.c:120 ip6_finish_output+0x4f4/0xb50 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x20f/0x6d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] ip6_local_out+0x97/0x170 net/ipv6/output_core.c:178 ip6_send_skb+0xa2/0x330 net/ipv6/ip6_output.c:1688 udp_v6_send_skb+0x5c5/0xee0 net/ipv6/udp.c:1081 udpv6_sendmsg+0x1eb9/0x2610 net/ipv6/udp.c:1353 inet_sendmsg+0x122/0x500 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x349/0x840 net/socket.c:2062 __sys_sendmmsg+0x152/0x3a0 net/socket.c:2152 SYSC_sendmmsg net/socket.c:2183 [inline] SyS_sendmmsg+0x35/0x60 net/socket.c:2178 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (dev->qdisc_tx_busylock ?: &qdisc_tx_busylock){+...}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] __dev_xmit_skb net/core/dev.c:3202 [inline] __dev_queue_xmit+0x1f0f/0x25e0 net/core/dev.c:3493 dev_queue_xmit+0x18/0x20 net/core/dev.c:3558 neigh_resolve_output net/core/neighbour.c:1369 [inline] neigh_resolve_output+0x4ff/0x8a0 net/core/neighbour.c:1349 neigh_output include/net/neighbour.h:500 [inline] ip6_finish_output2+0x9ab/0x21b0 net/ipv6/ip6_output.c:120 ip6_finish_output+0x4f4/0xb50 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x20f/0x6d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483 ndisc_send_ns+0x360/0x7e0 net/ipv6/ndisc.c:625 ndisc_solicit+0x2a7/0x420 net/ipv6/ndisc.c:717 neigh_probe+0xc6/0x100 net/core/neighbour.c:913 __neigh_event_send+0x2e4/0xe80 net/core/neighbour.c:1071 neigh_event_send include/net/neighbour.h:435 [inline] neigh_resolve_output+0x529/0x8a0 net/core/neighbour.c:1353 neigh_output include/net/neighbour.h:500 [inline] ip6_finish_output2+0x9ab/0x21b0 net/ipv6/ip6_output.c:120 ip6_finish_output+0x4f4/0xb50 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x20f/0x6d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] ip6_local_out+0x97/0x170 net/ipv6/output_core.c:178 ip6_send_skb+0xa2/0x330 net/ipv6/ip6_output.c:1688 ip6_push_pending_frames+0xbb/0xe0 net/ipv6/ip6_output.c:1708 icmpv6_push_pending_frames+0x33d/0x530 net/ipv6/icmp.c:289 icmp6_send+0x17ed/0x1ea0 net/ipv6/icmp.c:588 icmpv6_send+0xac/0x1b0 net/ipv6/ip6_icmp.c:43 ip6_link_failure+0x29/0x420 net/ipv6/route.c:1440 dst_link_failure include/net/dst.h:445 [inline] ip_tunnel_xmit+0x15d0/0x3557 net/ipv4/ip_tunnel.c:807 __gre_xmit+0x4eb/0x890 net/ipv4/ip_gre.c:441 erspan_xmit net/ipv4/ip_gre.c:750 [inline] erspan_xmit+0x441/0x1200 net/ipv4/ip_gre.c:725 __netdev_start_xmit include/linux/netdevice.h:4039 [inline] netdev_start_xmit include/linux/netdevice.h:4048 [inline] xmit_one net/core/dev.c:3009 [inline] dev_hard_start_xmit+0x18c/0x8b0 net/core/dev.c:3025 sch_direct_xmit+0x27a/0x550 net/sched/sch_generic.c:186 __dev_xmit_skb net/core/dev.c:3218 [inline] __dev_queue_xmit+0x1b6e/0x25e0 net/core/dev.c:3493 dev_queue_xmit+0x18/0x20 net/core/dev.c:3558 neigh_resolve_output net/core/neighbour.c:1369 [inline] neigh_resolve_output+0x4ff/0x8a0 net/core/neighbour.c:1349 neigh_output include/net/neighbour.h:500 [inline] ip6_finish_output2+0x9ab/0x21b0 net/ipv6/ip6_output.c:120 ip6_finish_output+0x4f4/0xb50 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x20f/0x6d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] rawv6_send_hdrinc net/ipv6/raw.c:689 [inline] rawv6_sendmsg+0x19b1/0x2d10 net/ipv6/raw.c:948 inet_sendmsg+0x122/0x500 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 sock_write_iter+0x25b/0x3b0 net/socket.c:925 call_write_iter include/linux/fs.h:1777 [inline] aio_write+0x2c7/0x4f0 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x996/0x13f0 fs/aio.c:1709 SYSC_io_submit fs/aio.c:1734 [inline] SyS_io_submit+0x28/0x30 fs/aio.c:1731 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(_xmit_ETHER#2); lock(dev->qdisc_tx_busylock ?: &qdisc_tx_busylock); lock(_xmit_ETHER#2); lock(dev->qdisc_tx_busylock ?: &qdisc_tx_busylock); *** DEADLOCK *** 12 locks held by syz-executor.0/14886: #0: (rcu_read_lock){....}, at: [] l3mdev_l3_out include/net/l3mdev.h:172 [inline] #0: (rcu_read_lock){....}, at: [] l3mdev_ip6_out include/net/l3mdev.h:193 [inline] #0: (rcu_read_lock){....}, at: [] rawv6_send_hdrinc net/ipv6/raw.c:679 [inline] #0: (rcu_read_lock){....}, at: [] rawv6_sendmsg+0x17b8/0x2d10 net/ipv6/raw.c:948 #1: (rcu_read_lock_bh){....}, at: [] lwtunnel_xmit_redirect include/net/lwtunnel.h:92 [inline] #1: (rcu_read_lock_bh){....}, at: [] ip6_finish_output2+0x1e5/0x21b0 net/ipv6/ip6_output.c:106 #2: (rcu_read_lock_bh){....}, at: [] __dev_queue_xmit+0x1e2/0x25e0 net/core/dev.c:3459 #3: (dev->qdisc_running_key ?: &qdisc_running_key){+...}, at: [] dev_queue_xmit+0x18/0x20 net/core/dev.c:3558 #4: (_xmit_ETHER#2){+.-.}, at: [] spin_lock include/linux/spinlock.h:317 [inline] #4: (_xmit_ETHER#2){+.-.}, at: [] __netif_tx_lock include/linux/netdevice.h:3536 [inline] #4: (_xmit_ETHER#2){+.-.}, at: [] sch_direct_xmit+0x1fc/0x550 net/sched/sch_generic.c:184 #5: (rcu_read_lock){....}, at: [] icmpv6_send+0x0/0x1b0 net/ipv6/ip6_icmp.c:31 #6: (k-slock-AF_INET6){+...}, at: [] spin_trylock include/linux/spinlock.h:327 [inline] #6: (k-slock-AF_INET6){+...}, at: [] icmpv6_xmit_lock net/ipv6/icmp.c:119 [inline] #6: (k-slock-AF_INET6){+...}, at: [] icmp6_send+0xd9a/0x1ea0 net/ipv6/icmp.c:533 #7: (rcu_read_lock){....}, at: [] icmp6_send+0x1301/0x1ea0 net/ipv6/icmp.c:568 #8: (rcu_read_lock_bh){....}, at: [] lwtunnel_xmit_redirect include/net/lwtunnel.h:92 [inline] #8: (rcu_read_lock_bh){....}, at: [] ip6_finish_output2+0x1e5/0x21b0 net/ipv6/ip6_output.c:106 #9: (rcu_read_lock){....}, at: [] ip6_nd_hdr net/ipv6/ndisc.c:441 [inline] #9: (rcu_read_lock){....}, at: [] ndisc_send_skb+0x67c/0x11e0 net/ipv6/ndisc.c:477 #10: (rcu_read_lock_bh){....}, at: [] lwtunnel_xmit_redirect include/net/lwtunnel.h:92 [inline] #10: (rcu_read_lock_bh){....}, at: [] ip6_finish_output2+0x1e5/0x21b0 net/ipv6/ip6_output.c:106 #11: (rcu_read_lock_bh){....}, at: [] __dev_queue_xmit+0x1e2/0x25e0 net/core/dev.c:3459 stack backtrace: CPU: 0 PID: 14886 Comm: syz-executor.0 Not tainted 4.14.170-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] __dev_xmit_skb net/core/dev.c:3202 [inline] __dev_queue_xmit+0x1f0f/0x25e0 net/core/dev.c:3493 dev_queue_xmit+0x18/0x20 net/core/dev.c:3558 neigh_resolve_output net/core/neighbour.c:1369 [inline] neigh_resolve_output+0x4ff/0x8a0 net/core/neighbour.c:1349 neigh_output include/net/neighbour.h:500 [inline] ip6_finish_output2+0x9ab/0x21b0 net/ipv6/ip6_output.c:120 ip6_finish_output+0x4f4/0xb50 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x20f/0x6d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483 ndisc_send_ns+0x360/0x7e0 net/ipv6/ndisc.c:625 ndisc_solicit+0x2a7/0x420 net/ipv6/ndisc.c:717 neigh_probe+0xc6/0x100 net/core/neighbour.c:913 __neigh_event_send+0x2e4/0xe80 net/core/neighbour.c:1071 neigh_event_send include/net/neighbour.h:435 [inline] neigh_resolve_output+0x529/0x8a0 net/core/neighbour.c:1353 neigh_output include/net/neighbour.h:500 [inline] ip6_finish_output2+0x9ab/0x21b0 net/ipv6/ip6_output.c:120 ip6_finish_output+0x4f4/0xb50 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x20f/0x6d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] ip6_local_out+0x97/0x170 net/ipv6/output_core.c:178 ip6_send_skb+0xa2/0x330 net/ipv6/ip6_output.c:1688 ip6_push_pending_frames+0xbb/0xe0 net/ipv6/ip6_output.c:1708 icmpv6_push_pending_frames+0x33d/0x530 net/ipv6/icmp.c:289 icmp6_send+0x17ed/0x1ea0 net/ipv6/icmp.c:588 icmpv6_send+0xac/0x1b0 net/ipv6/ip6_icmp.c:43 ip6_link_failure+0x29/0x420 net/ipv6/route.c:1440 dst_link_failure include/net/dst.h:445 [inline] ip_tunnel_xmit+0x15d0/0x3557 net/ipv4/ip_tunnel.c:807 __gre_xmit+0x4eb/0x890 net/ipv4/ip_gre.c:441 erspan_xmit net/ipv4/ip_gre.c:750 [inline] erspan_xmit+0x441/0x1200 net/ipv4/ip_gre.c:725 __netdev_start_xmit include/linux/netdevice.h:4039 [inline] netdev_start_xmit include/linux/netdevice.h:4048 [inline] xmit_one net/core/dev.c:3009 [inline] dev_hard_start_xmit+0x18c/0x8b0 net/core/dev.c:3025 sch_direct_xmit+0x27a/0x550 net/sched/sch_generic.c:186 __dev_xmit_skb net/core/dev.c:3218 [inline] __dev_queue_xmit+0x1b6e/0x25e0 net/core/dev.c:3493 dev_queue_xmit+0x18/0x20 net/core/dev.c:3558 neigh_resolve_output net/core/neighbour.c:1369 [inline] neigh_resolve_output+0x4ff/0x8a0 net/core/neighbour.c:1349 neigh_output include/net/neighbour.h:500 [inline] ip6_finish_output2+0x9ab/0x21b0 net/ipv6/ip6_output.c:120 ip6_finish_output+0x4f4/0xb50 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x20f/0x6d0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] rawv6_send_hdrinc net/ipv6/raw.c:689 [inline] rawv6_sendmsg+0x19b1/0x2d10 net/ipv6/raw.c:948 inet_sendmsg+0x122/0x500 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 sock_write_iter+0x25b/0x3b0 net/socket.c:925 call_write_iter include/linux/fs.h:1777 [inline] aio_write+0x2c7/0x4f0 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x996/0x13f0 fs/aio.c:1709 SYSC_io_submit fs/aio.c:1734 [inline] SyS_io_submit+0x28/0x30 fs/aio.c:1731 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45b399 RSP: 002b:00007f75baa71c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f75baa726d4 RCX: 000000000045b399 RDX: 0000000020356ff0 RSI: 0000000000000001 RDI: 00007f75baa51000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000001f4 R14: 00000000004c2d32 R15: 000000000075bf2c syz-executor.0 (14886) used greatest stack depth: 21544 bytes left IPv6 header not found IPv6 header not found IPv6 header not found IPv6 header not found IPv6 header not found IPv6 header not found audit: type=1400 audit(1581285799.655:65): avc: denied { sys_admin } for pid=14996 comm="syz-executor.1" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 IPv6: NLM_F_CREATE should be specified when creating new route input: syz1 as /devices/virtual/input/input5 uinput: write device info first device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves IPVS: ftp: loaded support on port[0] = 21 chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added batman_adv: batadv0: Adding interface: batadv_slave_0 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. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active batman_adv: batadv0: Adding interface: batadv_slave_1 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. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready bridge0: port 1(bridge_slave_0) entered disabled state bridge0: port 2(bridge_slave_1) entered disabled state IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth0_vlan entered promiscuous mode device veth1_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready device veth1_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: batadv0: Interface activated: batadv_slave_0 IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready EXT4-fs warning (device sda1): ext4_group_extend:1770: can't read last block, resize aborted EXT4-fs warning (device sda1): ext4_group_extend:1770: can't read last block, resize aborted input: syz1 as /devices/virtual/input/input7 EXT4-fs warning (device sda1): ext4_group_extend:1770: can't read last block, resize aborted EXT4-fs warning (device sda1): ext4_group_extend:1770: can't read last block, resize aborted EXT4-fs warning (device sda1): ext4_group_extend:1770: can't read last block, resize aborted EXT4-fs warning (device sda1): ext4_group_extend:1770: can't read last block, resize aborted overlayfs: filesystem on './file0' not supported as upperdir input: syz1 as /devices/virtual/input/input8 EXT4-fs warning (device sda1): ext4_group_extend:1770: can't read last block, resize aborted EXT4-fs warning (device sda1): ext4_group_extend:1770: can't read last block, resize aborted EXT4-fs warning (device sda1): ext4_group_extend:1770: can't read last block, resize aborted input: syz1 as /devices/virtual/input/input9 input: syz1 as /devices/virtual/input/input10 input: syz1 as /devices/virtual/input/input11 input: syz1 as /devices/virtual/input/input12 input: syz1 as /devices/virtual/input/input13 input: syz1 as /devices/virtual/input/input14 input: syz1 as /devices/virtual/input/input15 input: syz1 as /devices/virtual/input/input16 input: syz1 as /devices/virtual/input/input17 input: syz1 as /devices/virtual/input/input18 input: syz1 as /devices/virtual/input/input19