[ 548.377295][ T27] hsr_slave_0: left promiscuous mode [ 548.389382][ T27] hsr_slave_1: left promiscuous mode [ 548.411806][ T27] bridge_slave_1: left allmulticast mode [ 548.418352][ T27] bridge_slave_1: left promiscuous mode [ 548.425441][ T27] bridge0: port 2(bridge_slave_1) entered disabled state [ 548.446639][ T27] bridge_slave_0: left allmulticast mode [ 548.453091][ T27] bridge_slave_0: left promiscuous mode [ 548.459832][ T27] bridge0: port 1(bridge_slave_0) entered disabled state [ 548.889272][ T27] team0 (unregistering): Port device team_slave_1 removed [ 548.939900][ T27] team0 (unregistering): Port device team_slave_0 removed [ 548.990355][ T27] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 549.030487][ T27] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 549.303639][ T27] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.24' (ECDSA) to the list of known hosts. [ 554.859744][T11233] nr0: entered promiscuous mode [ 555.043446][T11232] ===================================================== [ 555.050750][T11232] BUG: KMSAN: uninit-value in llc_rcv+0x119e/0x1540 [ 555.058158][T11232] llc_rcv+0x119e/0x1540 [ 555.062640][T11232] __netif_receive_skb+0x1b8/0x5e0 [ 555.068068][T11232] netif_receive_skb+0x68/0x680 [ 555.073209][T11232] tun_rx_batched+0x837/0x930 [ 555.078166][T11232] tun_get_user+0x591d/0x7070 [ 555.083112][T11232] tun_chr_write_iter+0x3af/0x5d0 [ 555.088480][T11232] vfs_write+0x834/0x1580 [ 555.093027][T11232] ksys_write+0x21f/0x4f0 [ 555.097516][T11232] __x64_sys_write+0x93/0xd0 [ 555.102370][T11232] do_syscall_64+0x41/0xc0 [ 555.107036][T11232] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 555.113304][T11232] [ 555.115698][T11232] Uninit was created at: [ 555.120143][T11232] slab_post_alloc_hook+0x12d/0xb60 [ 555.125610][T11232] kmem_cache_alloc_node+0x543/0xab0 [ 555.131070][T11232] kmalloc_reserve+0x148/0x470 [ 555.136151][T11232] __alloc_skb+0x3a7/0x850 [ 555.140760][T11232] alloc_skb_with_frags+0xbd/0xbb0 [ 555.146118][T11232] sock_alloc_send_pskb+0xaad/0xc30 [ 555.151514][T11232] tun_get_user+0x2167/0x7070 [ 555.156435][T11232] tun_chr_write_iter+0x3af/0x5d0 [ 555.161648][T11232] vfs_write+0x834/0x1580 [ 555.166205][T11232] ksys_write+0x21f/0x4f0 [ 555.170678][T11232] __x64_sys_write+0x93/0xd0 [ 555.175836][T11232] do_syscall_64+0x41/0xc0 [ 555.180426][T11232] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 555.186644][T11232] [ 555.189047][T11232] CPU: 0 PID: 11232 Comm: syz-executor222 Not tainted 6.3.0-rc7-syzkaller-00014-g0255004d2a8e #0 [ 555.199882][T11232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 555.210147][T11232] ===================================================== [ 555.217337][T11232] Disabling lock debugging due to kernel taint [ 555.223739][T11232] Kernel panic - not syncing: kmsan.panic set ... [ 555.230257][T11232] CPU: 0 PID: 11232 Comm: syz-executor222 Tainted: G B 6.3.0-rc7-syzkaller-00014-g0255004d2a8e #0 [ 555.242398][T11232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 555.252593][T11232] Call Trace: [ 555.255998][T11232] [ 555.259026][T11232] dump_stack_lvl+0x1cc/0x260 [ 555.263928][T11232] dump_stack+0x1e/0x20 [ 555.268256][T11232] panic+0x4e2/0xc70 [ 555.272335][T11232] ? add_taint+0x108/0x1a0 [ 555.276909][T11232] kmsan_report+0x2d0/0x2d0 [ 555.281665][T11232] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 555.287665][T11232] ? __msan_warning+0x96/0x110 [ 555.292848][T11232] ? llc_rcv+0x119e/0x1540 [ 555.297624][T11232] ? __netif_receive_skb+0x1b8/0x5e0 [ 555.303081][T11232] ? netif_receive_skb+0x68/0x680 [ 555.308475][T11232] ? tun_rx_batched+0x837/0x930 [ 555.313553][T11232] ? tun_get_user+0x591d/0x7070 [ 555.318586][T11232] ? tun_chr_write_iter+0x3af/0x5d0 [ 555.323975][T11232] ? vfs_write+0x834/0x1580 [ 555.328724][T11232] ? ksys_write+0x21f/0x4f0 [ 555.333416][T11232] ? __x64_sys_write+0x93/0xd0 [ 555.338682][T11232] ? do_syscall_64+0x41/0xc0 [ 555.343449][T11232] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 555.349710][T11232] ? kmsan_internal_memmove_metadata+0x9a/0x360 [ 555.356277][T11232] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 555.362262][T11232] ? __pskb_pull_tail+0x1d08/0x2320 [ 555.367641][T11232] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 555.373638][T11232] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 555.379704][T11232] __msan_warning+0x96/0x110 [ 555.384445][T11232] llc_rcv+0x119e/0x1540 [ 555.388866][T11232] __netif_receive_skb+0x1b8/0x5e0 [ 555.394149][T11232] ? llc_set_station_handler+0x70/0x70 [ 555.399813][T11232] netif_receive_skb+0x68/0x680 [ 555.404869][T11232] tun_rx_batched+0x837/0x930 [ 555.409822][T11232] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 555.415808][T11232] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 555.422149][T11232] tun_get_user+0x591d/0x7070 [ 555.427098][T11232] ? vfs_write+0x530/0x1580 [ 555.431863][T11232] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 555.437854][T11232] tun_chr_write_iter+0x3af/0x5d0 [ 555.443291][T11232] ? tun_chr_read_iter+0x670/0x670 [ 555.448674][T11232] vfs_write+0x834/0x1580 [ 555.453198][T11232] ksys_write+0x21f/0x4f0 [ 555.458054][T11232] __x64_sys_write+0x93/0xd0 [ 555.462822][T11232] do_syscall_64+0x41/0xc0 [ 555.467452][T11232] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 555.473536][T11232] RIP: 0033:0x7f3487518e49 [ 555.478161][T11232] 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 c0 ff ff ff f7 d8 64 89 01 48 [ 555.498043][T11232] RSP: 002b:00007ffce6ed6968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 555.506892][T11232] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007f3487518e49 [ 555.515106][T11232] RDX: 000000000000b107 RSI: 00000000200000c0 RDI: 0000000000000003 [ 555.523215][T11232] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 555.531401][T11232] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f34874dc620 [ 555.539541][T11232] R13: 0000000000000000 R14: 00007ffce6ed6990 R15: 00007ffce6ed6980 [ 555.547883][T11232] [ 555.551204][T11232] Kernel Offset: disabled [ 555.555616][T11232] Rebooting in 86400 seconds..