[ 562.690481][ T3828] hsr_slave_0: left promiscuous mode [ 562.706778][ T3828] hsr_slave_1: left promiscuous mode [ 562.718137][ T3828] bridge_slave_1: left allmulticast mode [ 562.724366][ T3828] bridge_slave_1: left promiscuous mode [ 562.730941][ T3828] bridge0: port 2(bridge_slave_1) entered disabled state [ 562.755797][ T3828] bridge_slave_0: left allmulticast mode [ 562.762035][ T3828] bridge_slave_0: left promiscuous mode [ 562.768980][ T3828] bridge0: port 1(bridge_slave_0) entered disabled state [ 563.281118][ T3828] team0 (unregistering): Port device team_slave_1 removed [ 563.326602][ T3828] team0 (unregistering): Port device team_slave_0 removed [ 563.371261][ T3828] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 563.438993][ T3828] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 563.643341][ T3828] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.185' (ECDSA) to the list of known hosts. [ 569.821666][T10873] nr0: entered promiscuous mode [ 569.847147][T10880] ===================================================== [ 569.854836][T10880] BUG: KMSAN: uninit-value in llc_rcv+0x1192/0x1530 [ 569.861599][T10880] llc_rcv+0x1192/0x1530 [ 569.866123][T10880] __netif_receive_skb+0x1a6/0x5a0 [ 569.871528][T10880] netif_receive_skb+0x58/0x660 [ 569.876634][T10880] tun_rx_batched+0x83b/0x920 [ 569.881486][T10880] tun_get_user+0x54ca/0x6920 [ 569.886432][T10880] tun_chr_write_iter+0x3af/0x5d0 [ 569.891641][T10880] vfs_write+0x8f9/0x1490 [ 569.896320][T10880] ksys_write+0x20f/0x4c0 [ 569.900852][T10880] __x64_sys_write+0x93/0xd0 [ 569.905721][T10880] do_syscall_64+0x41/0xc0 [ 569.910356][T10880] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 569.916567][T10880] [ 569.918974][T10880] Uninit was created at: [ 569.923530][T10880] slab_post_alloc_hook+0x12d/0xb60 [ 569.928991][T10880] kmem_cache_alloc_node+0x535/0xa30 [ 569.934524][T10880] kmalloc_reserve+0x148/0x470 [ 569.939487][T10880] __alloc_skb+0x318/0x740 [ 569.944158][T10880] alloc_skb_with_frags+0xbd/0xbb0 [ 569.949461][T10880] sock_alloc_send_pskb+0xa80/0xbf0 [ 569.955009][T10880] tun_get_user+0x2329/0x6920 [ 569.960337][T10880] tun_chr_write_iter+0x3af/0x5d0 [ 569.965652][T10880] vfs_write+0x8f9/0x1490 [ 569.970801][T10880] ksys_write+0x20f/0x4c0 [ 569.975506][T10880] __x64_sys_write+0x93/0xd0 [ 569.980302][T10880] do_syscall_64+0x41/0xc0 [ 569.985170][T10880] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 569.991264][T10880] [ 569.993777][T10880] CPU: 0 PID: 10880 Comm: syz-executor102 Not tainted 6.4.0-syzkaller-g257152fe29be #0 [ 570.003672][T10880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 570.014132][T10880] ===================================================== [ 570.021176][T10880] Disabling lock debugging due to kernel taint [ 570.027541][T10880] Kernel panic - not syncing: kmsan.panic set ... [ 570.034077][T10880] CPU: 0 PID: 10880 Comm: syz-executor102 Tainted: G B 6.4.0-syzkaller-g257152fe29be #0 [ 570.045544][T10880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 570.056095][T10880] Call Trace: [ 570.059501][T10880] [ 570.062533][T10880] dump_stack_lvl+0x1bf/0x240 [ 570.067418][T10880] dump_stack+0x1e/0x20 [ 570.072027][T10880] panic+0x4d5/0xc70 [ 570.076363][T10880] ? add_taint+0x108/0x1a0 [ 570.081036][T10880] kmsan_report+0x2d0/0x2d0 [ 570.085840][T10880] ? __msan_warning+0x96/0x110 [ 570.090803][T10880] ? llc_rcv+0x1192/0x1530 [ 570.095394][T10880] ? __netif_receive_skb+0x1a6/0x5a0 [ 570.100919][T10880] ? netif_receive_skb+0x58/0x660 [ 570.106191][T10880] ? tun_rx_batched+0x83b/0x920 [ 570.111254][T10880] ? tun_get_user+0x54ca/0x6920 [ 570.116311][T10880] ? tun_chr_write_iter+0x3af/0x5d0 [ 570.121909][T10880] ? vfs_write+0x8f9/0x1490 [ 570.126622][T10880] ? ksys_write+0x20f/0x4c0 [ 570.131354][T10880] ? __x64_sys_write+0x93/0xd0 [ 570.136328][T10880] ? do_syscall_64+0x41/0xc0 [ 570.141239][T10880] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 570.147698][T10880] ? kmsan_internal_memmove_metadata+0x9a/0x360 [ 570.154262][T10880] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 570.161515][T10880] ? __pskb_pull_tail+0x1d0a/0x2320 [ 570.167208][T10880] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 570.173243][T10880] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 570.179364][T10880] __msan_warning+0x96/0x110 [ 570.184172][T10880] llc_rcv+0x1192/0x1530 [ 570.188597][T10880] __netif_receive_skb+0x1a6/0x5a0 [ 570.194199][T10880] ? llc_set_station_handler+0x70/0x70 [ 570.200020][T10880] netif_receive_skb+0x58/0x660 [ 570.205230][T10880] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 570.211488][T10880] tun_rx_batched+0x83b/0x920 [ 570.216376][T10880] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 570.222426][T10880] tun_get_user+0x54ca/0x6920 [ 570.227299][T10880] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 570.233818][T10880] tun_chr_write_iter+0x3af/0x5d0 [ 570.239071][T10880] ? tun_chr_read_iter+0x670/0x670 [ 570.244377][T10880] vfs_write+0x8f9/0x1490 [ 570.248936][T10880] ksys_write+0x20f/0x4c0 [ 570.253503][T10880] __x64_sys_write+0x93/0xd0 [ 570.258313][T10880] do_syscall_64+0x41/0xc0 [ 570.262947][T10880] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 570.269038][T10880] RIP: 0033:0x7f5a781d1299 [ 570.273848][T10880] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 c4 ff ff ff f7 d8 64 89 01 48 [ 570.294375][T10880] RSP: 002b:00007ffc354dd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 570.302982][T10880] RAX: ffffffffffffffda RBX: 00007ffc354dd1c0 RCX: 00007f5a781d1299 [ 570.311218][T10880] RDX: 000000000000fdef RSI: 00000000200000c0 RDI: 0000000000000003 [ 570.319351][T10880] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 570.327735][T10880] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240 [ 570.335861][T10880] R13: 0000000000000000 R14: 00007ffc354dd1ac R15: 00007ffc354dd1b0 [ 570.344010][T10880] [ 570.347600][T10880] Kernel Offset: disabled [ 570.352464][T10880] Rebooting in 86400 seconds..