Warning: Permanently added '10.128.1.6' (ECDSA) to the list of known hosts.
syzkaller login: [ 853.795171] IPVS: ftp: loaded support on port[0] = 21
[ 853.862243] chnl_net:caif_netlink_parms(): no params data found
[ 853.950863] bridge0: port 1(bridge_slave_0) entered blocking state
[ 853.958128] bridge0: port 1(bridge_slave_0) entered disabled state
[ 853.966242] device bridge_slave_0 entered promiscuous mode
[ 853.974018] bridge0: port 2(bridge_slave_1) entered blocking state
[ 853.980403] bridge0: port 2(bridge_slave_1) entered disabled state
[ 853.987702] device bridge_slave_1 entered promiscuous mode
[ 854.004960] bond0: Enslaving bond_slave_0 as an active interface with an up link
[ 854.014093] bond0: Enslaving bond_slave_1 as an active interface with an up link
[ 854.032080] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[ 854.039675] team0: Port device team_slave_0 added
[ 854.045477] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[ 854.052974] team0: Port device team_slave_1 added
[ 854.067473] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 854.074083] 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.
[ 854.100064] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 854.111479] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 854.117821] 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.
[ 854.143380] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 854.157505] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[ 854.165231] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[ 854.185813] device hsr_slave_0 entered promiscuous mode
[ 854.191560] device hsr_slave_1 entered promiscuous mode
[ 854.197962] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[ 854.205305] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[ 854.270811] bridge0: port 2(bridge_slave_1) entered blocking state
[ 854.277265] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 854.284254] bridge0: port 1(bridge_slave_0) entered blocking state
[ 854.290615] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 854.325972] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[ 854.332055] 8021q: adding VLAN 0 to HW filter on device bond0
[ 854.340755] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[ 854.349840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 854.359590] bridge0: port 1(bridge_slave_0) entered disabled state
[ 854.366897] bridge0: port 2(bridge_slave_1) entered disabled state
[ 854.374662] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 854.386791] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[ 854.392982] 8021q: adding VLAN 0 to HW filter on device team0
[ 854.401829] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 854.410626] bridge0: port 1(bridge_slave_0) entered blocking state
[ 854.417021] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 854.427158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 854.434835] bridge0: port 2(bridge_slave_1) entered blocking state
[ 854.441184] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 854.464334] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 854.472161] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 854.480065] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 854.487632] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 854.496414] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 854.504410] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[ 854.510414] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 854.523658] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready
[ 854.530890] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 854.537719] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 854.548009] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 854.580914] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready
[ 854.591285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 854.622280] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready
[ 854.629717] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready
[ 854.636463] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready
[ 854.645870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 854.653682] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 854.660517] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 854.670068] device veth0_vlan entered promiscuous mode
[ 854.679098] device veth1_vlan entered promiscuous mode
[ 854.685286] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready
[ 854.694168] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready
[ 854.705850] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready
[ 854.715985] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 854.724211] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 854.731467] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 854.740933] device veth0_macvtap entered promiscuous mode
[ 854.747360] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready
[ 854.756546] device veth1_macvtap entered promiscuous mode
[ 854.765359] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready
[ 854.775633] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready
[ 854.786303] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 854.793329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 854.801524] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 854.812022] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 854.819254] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
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[ 854.926707] hrtimer: interrupt took 35848 ns
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[ 882.729464] ==================================================================
[ 882.736971] BUG: KASAN: use-after-free in bcm_can_tx+0x6be/0x800
[ 882.743107] Read of size 4 at addr ffff8880b034f810 by task ksoftirqd/1/18
[ 882.750093]
[ 882.751703] CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.211-syzkaller #0
[ 882.759045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[ 882.768376] Call Trace:
[ 882.770948]
[ 882.773107] dump_stack+0x1fc/0x2ef
[ 882.776720] print_address_description.cold+0x54/0x219
[ 882.781979] kasan_report_error.cold+0x8a/0x1b9
[ 882.786633] ? bcm_can_tx+0x6be/0x800
[ 882.790419] __asan_report_load4_noabort+0x88/0x90
[ 882.795355] ? bcm_can_tx+0x6be/0x800
[ 882.799136] bcm_can_tx+0x6be/0x800
[ 882.802759] ? canbcm_pernet_init+0x90/0x90
[ 882.807066] ? check_preemption_disabled+0x41/0x280
[ 882.812081] ? check_preemption_disabled+0x41/0x280
[ 882.817095] bcm_tx_timeout_tsklet+0x1f0/0x3a0
[ 882.821682] ? bcm_tx_start_timer+0x1b0/0x1b0
[ 882.826171] ? net_rx_action+0x8d7/0xfb0
[ 882.830241] ? tasklet_action_common.constprop.0+0xa2/0x360
[ 882.836067] tasklet_action_common.constprop.0+0x265/0x360
[ 882.841690] __do_softirq+0x265/0x980
[ 882.845494] irq_exit+0x215/0x260
[ 882.848933] smp_apic_timer_interrupt+0x136/0x550
[ 882.853788] apic_timer_interrupt+0xf/0x20
[ 882.858058]
[ 882.860285] RIP: 0010:run_ksoftirqd+0x88/0x110
[ 882.864859] Code: c0 98 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 7b 48 83 3d 59 5e b8 08 00 74 4e fb 66 0f 1f 44 00 00 <31> d2 be 8f 02 00 00 48 c7 c7 00 d9 68 88 e9 25 4e 08 00 e8 e0 84
[ 882.883747] RSP: 0018:ffff8880b5acfe78 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 882.891453] RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
[ 882.898707] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880b5abad44
[ 882.905968] RBP: ffff8880b59d3a00 R08: 0000000000000001 R09: 0000000000000000
[ 882.913224] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89f47780
[ 882.920474] R13: ffffffff813923c0 R14: ffff8880b5aba4c0 R15: 0000000000000001
[ 882.927739] ? __local_bh_enable_ip+0x270/0x270
[ 882.932412] ? run_ksoftirqd+0x5c/0x110
[ 882.936386] smpboot_thread_fn+0x655/0x9e0
[ 882.940605] ? __kthread_parkme+0x4c/0x1e0
[ 882.944847] ? sort_range+0x30/0x30
[ 882.948456] ? __kthread_parkme+0x133/0x1e0
[ 882.952778] ? sort_range+0x30/0x30
[ 882.956386] kthread+0x33f/0x460
[ 882.959735] ? kthread_park+0x180/0x180
[ 882.963688] ret_from_fork+0x24/0x30
[ 882.967383]
[ 882.969004] Allocated by task 9378:
[ 882.972614] kmem_cache_alloc_trace+0x12f/0x380
[ 882.977278] bcm_sendmsg+0x25d7/0x4150
[ 882.981154] sock_sendmsg+0xc3/0x120
[ 882.984853] ___sys_sendmsg+0x7bb/0x8e0
[ 882.988805] __x64_sys_sendmsg+0x132/0x220
[ 882.993023] do_syscall_64+0xf9/0x620
[ 882.996822] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 883.001986]
[ 883.003591] Freed by task 9378:
[ 883.006851] kfree+0xcc/0x210
[ 883.009936] bcm_release+0x260/0x950
[ 883.013629] __sock_release+0xcd/0x2a0
[ 883.017494] sock_close+0x15/0x20
[ 883.020939] __fput+0x2ce/0x890
[ 883.024208] task_work_run+0x148/0x1c0
[ 883.028074] exit_to_usermode_loop+0x251/0x2a0
[ 883.032636] do_syscall_64+0x538/0x620
[ 883.036509] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 883.041706]
[ 883.043337] The buggy address belongs to the object at ffff8880b034f6c0
[ 883.043337] which belongs to the cache kmalloc-1024 of size 1024
[ 883.056153] The buggy address is located 336 bytes inside of
[ 883.056153] 1024-byte region [ffff8880b034f6c0, ffff8880b034fac0)
[ 883.068091] The buggy address belongs to the page:
[ 883.073002] page:ffffea0002c0d380 count:1 mapcount:0 mapping:ffff88813bff0ac0 index:0xffff8880b034f240 compound_mapcount: 0
[ 883.084249] flags: 0xfff00000008100(slab|head)
[ 883.088824] raw: 00fff00000008100 ffffea00024efc08 ffffea000256b608 ffff88813bff0ac0
[ 883.096709] raw: ffff8880b034f240 ffff8880b034e040 0000000100000006 0000000000000000
[ 883.104568] page dumped because: kasan: bad access detected
[ 883.110252]
[ 883.111863] Memory state around the buggy address:
[ 883.116779] ffff8880b034f700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 883.124124] ffff8880b034f780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 883.131465] >ffff8880b034f800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 883.138806] ^
[ 883.142671] ffff8880b034f880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 883.150009] ffff8880b034f900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 883.157342] ==================================================================
[ 883.164677] Disabling lock debugging due to kernel taint
[ 883.170152] Kernel panic - not syncing: panic_on_warn set ...
[ 883.170152]
[ 883.177509] CPU: 1 PID: 18 Comm: ksoftirqd/1 Tainted: G B 4.19.211-syzkaller #0
[ 883.186235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[ 883.195566] Call Trace:
[ 883.198128]
[ 883.200265] dump_stack+0x1fc/0x2ef
[ 883.203874] panic+0x26a/0x50e
[ 883.207050] ? __warn_printk+0xf3/0xf3
[ 883.210916] ? retint_kernel+0x2d/0x2d
[ 883.214788] ? trace_hardirqs_on+0x55/0x210
[ 883.219095] kasan_end_report+0x43/0x49
[ 883.223053] kasan_report_error.cold+0xa7/0x1b9
[ 883.227702] ? bcm_can_tx+0x6be/0x800
[ 883.231486] __asan_report_load4_noabort+0x88/0x90
[ 883.236395] ? bcm_can_tx+0x6be/0x800
[ 883.240176] bcm_can_tx+0x6be/0x800
[ 883.243784] ? canbcm_pernet_init+0x90/0x90
[ 883.248087] ? check_preemption_disabled+0x41/0x280
[ 883.253085] ? check_preemption_disabled+0x41/0x280
[ 883.258096] bcm_tx_timeout_tsklet+0x1f0/0x3a0
[ 883.262659] ? bcm_tx_start_timer+0x1b0/0x1b0
[ 883.267133] ? net_rx_action+0x8d7/0xfb0
[ 883.271182] ? tasklet_action_common.constprop.0+0xa2/0x360
[ 883.276873] tasklet_action_common.constprop.0+0x265/0x360
[ 883.282599] __do_softirq+0x265/0x980
[ 883.286385] irq_exit+0x215/0x260
[ 883.289826] smp_apic_timer_interrupt+0x136/0x550
[ 883.294650] apic_timer_interrupt+0xf/0x20
[ 883.298860]
[ 883.301079] RIP: 0010:run_ksoftirqd+0x88/0x110
[ 883.305642] Code: c0 98 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 7b 48 83 3d 59 5e b8 08 00 74 4e fb 66 0f 1f 44 00 00 <31> d2 be 8f 02 00 00 48 c7 c7 00 d9 68 88 e9 25 4e 08 00 e8 e0 84
[ 883.324535] RSP: 0018:ffff8880b5acfe78 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 883.332225] RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 0000000000000000
[ 883.339477] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880b5abad44
[ 883.346725] RBP: ffff8880b59d3a00 R08: 0000000000000001 R09: 0000000000000000
[ 883.353975] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89f47780
[ 883.361222] R13: ffffffff813923c0 R14: ffff8880b5aba4c0 R15: 0000000000000001
[ 883.368481] ? __local_bh_enable_ip+0x270/0x270
[ 883.373133] ? run_ksoftirqd+0x5c/0x110
[ 883.377092] smpboot_thread_fn+0x655/0x9e0
[ 883.381321] ? __kthread_parkme+0x4c/0x1e0
[ 883.385623] ? sort_range+0x30/0x30
[ 883.389230] ? __kthread_parkme+0x133/0x1e0
[ 883.393531] ? sort_range+0x30/0x30
[ 883.397137] kthread+0x33f/0x460
[ 883.400483] ? kthread_park+0x180/0x180
[ 883.404439] ret_from_fork+0x24/0x30
[ 883.408288] Kernel Offset: disabled
[ 883.411896] Rebooting in 86400 seconds..