[ 544.419771][ T8836] nr0: entered promiscuous mode [ 544.608040][ T8838] nr0: entered promiscuous mode [ 544.799193][ T8840] nr0: entered promiscuous mode [ 545.001909][ T8842] nr0: entered promiscuous mode [ 545.197734][ T8844] nr0: entered promiscuous mode [ 546.204940][ T3817] hsr_slave_0: left promiscuous mode [ 546.212507][ T3817] hsr_slave_1: left promiscuous mode [ 546.220008][ T3817] bridge_slave_1: left allmulticast mode [ 546.226034][ T3817] bridge_slave_1: left promiscuous mode [ 546.232535][ T3817] bridge0: port 2(bridge_slave_1) entered disabled state [ 546.245085][ T3817] bridge_slave_0: left allmulticast mode [ 546.250951][ T3817] bridge_slave_0: left promiscuous mode [ 546.257531][ T3817] bridge0: port 1(bridge_slave_0) entered disabled state [ 546.438817][ T3817] team0 (unregistering): Port device team_slave_1 removed [ 546.461478][ T3817] team0 (unregistering): Port device team_slave_0 removed [ 546.485268][ T3817] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 546.509948][ T3817] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 546.651369][ T3817] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. [ 550.184423][ T8847] nr0: entered promiscuous mode [ 550.197735][ T8847] ===================================================== [ 550.205247][ T8847] BUG: KMSAN: uninit-value in llc_rcv+0x119e/0x1540 [ 550.212006][ T8847] llc_rcv+0x119e/0x1540 [ 550.216596][ T8847] __netif_receive_skb+0x1b8/0x5e0 [ 550.221926][ T8847] netif_receive_skb+0x68/0x680 [ 550.227102][ T8847] tun_rx_batched+0x837/0x930 [ 550.232028][ T8847] tun_get_user+0x591d/0x7070 [ 550.237730][ T8847] tun_chr_write_iter+0x3af/0x5d0 [ 550.243096][ T8847] vfs_write+0x834/0x1580 [ 550.250279][ T8847] ksys_write+0x21f/0x4f0 [ 550.255148][ T8847] __x64_sys_write+0x93/0xd0 [ 550.259933][ T8847] do_syscall_64+0x41/0xc0 [ 550.264750][ T8847] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 550.270963][ T8847] [ 550.273531][ T8847] Uninit was created at: [ 550.277982][ T8847] slab_post_alloc_hook+0x12d/0xb60 [ 550.283516][ T8847] kmem_cache_alloc_node+0x543/0xab0 [ 550.288988][ T8847] kmalloc_reserve+0x148/0x470 [ 550.294136][ T8847] __alloc_skb+0x3a7/0x850 [ 550.299096][ T8847] alloc_skb_with_frags+0xbd/0xbb0 [ 550.304551][ T8847] sock_alloc_send_pskb+0xaad/0xc30 [ 550.309930][ T8847] tun_get_user+0x2167/0x7070 [ 550.314901][ T8847] tun_chr_write_iter+0x3af/0x5d0 [ 550.320114][ T8847] vfs_write+0x834/0x1580 [ 550.324698][ T8847] ksys_write+0x21f/0x4f0 [ 550.329175][ T8847] __x64_sys_write+0x93/0xd0 [ 550.334074][ T8847] do_syscall_64+0x41/0xc0 [ 550.338673][ T8847] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 550.344899][ T8847] [ 550.347298][ T8847] CPU: 1 PID: 8847 Comm: syz-executor313 Not tainted 6.3.0-rc7-syzkaller-00014-g0255004d2a8e #0 [ 550.357975][ T8847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 550.368326][ T8847] ===================================================== [ 550.375552][ T8847] Disabling lock debugging due to kernel taint [ 550.381796][ T8847] Kernel panic - not syncing: kmsan.panic set ... [ 550.388307][ T8847] CPU: 1 PID: 8847 Comm: syz-executor313 Tainted: G B 6.3.0-rc7-syzkaller-00014-g0255004d2a8e #0 [ 550.400814][ T8847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 550.411012][ T8847] Call Trace: [ 550.415261][ T8847] [ 550.418297][ T8847] dump_stack_lvl+0x1cc/0x260 [ 550.423175][ T8847] dump_stack+0x1e/0x20 [ 550.427777][ T8847] panic+0x4e2/0xc70 [ 550.431846][ T8847] ? add_taint+0x108/0x1a0 [ 550.436422][ T8847] kmsan_report+0x2d0/0x2d0 [ 550.441117][ T8847] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 550.447095][ T8847] ? __msan_warning+0x96/0x110 [ 550.452041][ T8847] ? llc_rcv+0x119e/0x1540 [ 550.456796][ T8847] ? __netif_receive_skb+0x1b8/0x5e0 [ 550.462230][ T8847] ? netif_receive_skb+0x68/0x680 [ 550.467526][ T8847] ? tun_rx_batched+0x837/0x930 [ 550.472571][ T8847] ? tun_get_user+0x591d/0x7070 [ 550.478023][ T8847] ? tun_chr_write_iter+0x3af/0x5d0 [ 550.483392][ T8847] ? vfs_write+0x834/0x1580 [ 550.488043][ T8847] ? ksys_write+0x21f/0x4f0 [ 550.492688][ T8847] ? __x64_sys_write+0x93/0xd0 [ 550.497635][ T8847] ? do_syscall_64+0x41/0xc0 [ 550.502422][ T8847] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 550.508660][ T8847] ? kmsan_internal_memmove_metadata+0x9a/0x360 [ 550.515126][ T8847] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 550.521103][ T8847] ? __pskb_pull_tail+0x1d08/0x2320 [ 550.526473][ T8847] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 550.532465][ T8847] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 550.538540][ T8847] __msan_warning+0x96/0x110 [ 550.543280][ T8847] llc_rcv+0x119e/0x1540 [ 550.547706][ T8847] __netif_receive_skb+0x1b8/0x5e0 [ 550.552986][ T8847] ? llc_set_station_handler+0x70/0x70 [ 550.558819][ T8847] netif_receive_skb+0x68/0x680 [ 550.563866][ T8847] tun_rx_batched+0x837/0x930 [ 550.568734][ T8847] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 550.574713][ T8847] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 550.580695][ T8847] tun_get_user+0x591d/0x7070 [ 550.585590][ T8847] ? vfs_write+0x530/0x1580 [ 550.590285][ T8847] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 550.596267][ T8847] tun_chr_write_iter+0x3af/0x5d0 [ 550.601498][ T8847] ? tun_chr_read_iter+0x670/0x670 [ 550.606799][ T8847] vfs_write+0x834/0x1580 [ 550.611311][ T8847] ksys_write+0x21f/0x4f0 [ 550.615838][ T8847] __x64_sys_write+0x93/0xd0 [ 550.620608][ T8847] do_syscall_64+0x41/0xc0 [ 550.625200][ T8847] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 550.631261][ T8847] RIP: 0033:0x7f4bf74d8b69 [ 550.635792][ T8847] Code: 28 c3 e8 2a 14 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 [ 550.655594][ T8847] RSP: 002b:00007ffff6c40338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 550.664169][ T8847] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4bf74d8b69 [ 550.672361][ T8847] RDX: 000000000000b107 RSI: 00000000200000c0 RDI: 0000000000000003 [ 550.680459][ T8847] RBP: 00007f4bf749cd10 R08: 0000000000000000 R09: 0000000000000000 [ 550.688606][ T8847] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4bf749cda0 [ 550.696730][ T8847] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 550.704873][ T8847] [ 550.708081][ T8847] Kernel Offset: disabled [ 550.712508][ T8847] Rebooting in 86400 seconds..