[ 540.780900][ T8822] nr0: entered promiscuous mode [ 540.977528][ T8824] nr0: entered promiscuous mode [ 541.169147][ T8826] nr0: entered promiscuous mode [ 541.348845][ T8828] nr0: entered promiscuous mode [ 542.355084][ T38] hsr_slave_0: left promiscuous mode [ 542.362966][ T38] hsr_slave_1: left promiscuous mode [ 542.371582][ T38] bridge_slave_1: left allmulticast mode [ 542.377998][ T38] bridge_slave_1: left promiscuous mode [ 542.384598][ T38] bridge0: port 2(bridge_slave_1) entered disabled state [ 542.396132][ T38] bridge_slave_0: left allmulticast mode [ 542.402293][ T38] bridge_slave_0: left promiscuous mode [ 542.410538][ T38] bridge0: port 1(bridge_slave_0) entered disabled state [ 542.598549][ T38] team0 (unregistering): Port device team_slave_1 removed [ 542.621871][ T38] team0 (unregistering): Port device team_slave_0 removed [ 542.658185][ T38] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 542.688483][ T38] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 542.819572][ T38] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. [ 546.384156][ T8832] nr0: entered promiscuous mode [ 546.397973][ T8832] ===================================================== [ 546.405312][ T8832] BUG: KMSAN: uninit-value in llc_rcv+0x119e/0x1540 [ 546.412066][ T8832] llc_rcv+0x119e/0x1540 [ 546.416637][ T8832] __netif_receive_skb+0x1b8/0x5e0 [ 546.422204][ T8832] netif_receive_skb+0x68/0x680 [ 546.427559][ T8832] tun_rx_batched+0x837/0x930 [ 546.432475][ T8832] tun_get_user+0x591d/0x7070 [ 546.437435][ T8832] tun_chr_write_iter+0x3af/0x5d0 [ 546.442735][ T8832] vfs_write+0x834/0x1580 [ 546.447322][ T8832] ksys_write+0x21f/0x4f0 [ 546.451899][ T8832] __x64_sys_write+0x93/0xd0 [ 546.457195][ T8832] do_syscall_64+0x41/0xc0 [ 546.461812][ T8832] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 546.468037][ T8832] [ 546.470645][ T8832] Uninit was created at: [ 546.475178][ T8832] slab_post_alloc_hook+0x12d/0xb60 [ 546.480546][ T8832] kmem_cache_alloc_node+0x543/0xab0 [ 546.486119][ T8832] kmalloc_reserve+0x148/0x470 [ 546.491104][ T8832] __alloc_skb+0x3a7/0x850 [ 546.495774][ T8832] alloc_skb_with_frags+0xbd/0xbb0 [ 546.501096][ T8832] sock_alloc_send_pskb+0xaad/0xc30 [ 546.506634][ T8832] tun_get_user+0x2167/0x7070 [ 546.511482][ T8832] tun_chr_write_iter+0x3af/0x5d0 [ 546.516781][ T8832] vfs_write+0x834/0x1580 [ 546.521266][ T8832] ksys_write+0x21f/0x4f0 [ 546.526027][ T8832] __x64_sys_write+0x93/0xd0 [ 546.530776][ T8832] do_syscall_64+0x41/0xc0 [ 546.535506][ T8832] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 546.542443][ T8832] [ 546.544951][ T8832] CPU: 1 PID: 8832 Comm: syz-executor864 Not tainted 6.3.0-rc7-syzkaller-00014-g0255004d2a8e #0 [ 546.556064][ T8832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 546.566494][ T8832] ===================================================== [ 546.573615][ T8832] Disabling lock debugging due to kernel taint [ 546.579949][ T8832] Kernel panic - not syncing: kmsan.panic set ... [ 546.586513][ T8832] CPU: 1 PID: 8832 Comm: syz-executor864 Tainted: G B 6.3.0-rc7-syzkaller-00014-g0255004d2a8e #0 [ 546.599734][ T8832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 [ 546.610019][ T8832] Call Trace: [ 546.613495][ T8832] [ 546.616517][ T8832] dump_stack_lvl+0x1cc/0x260 [ 546.621668][ T8832] dump_stack+0x1e/0x20 [ 546.626031][ T8832] panic+0x4e2/0xc70 [ 546.630131][ T8832] ? add_taint+0x108/0x1a0 [ 546.634710][ T8832] kmsan_report+0x2d0/0x2d0 [ 546.639388][ T8832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 546.645495][ T8832] ? __msan_warning+0x96/0x110 [ 546.650419][ T8832] ? llc_rcv+0x119e/0x1540 [ 546.655076][ T8832] ? __netif_receive_skb+0x1b8/0x5e0 [ 546.660612][ T8832] ? netif_receive_skb+0x68/0x680 [ 546.665818][ T8832] ? tun_rx_batched+0x837/0x930 [ 546.670862][ T8832] ? tun_get_user+0x591d/0x7070 [ 546.676003][ T8832] ? tun_chr_write_iter+0x3af/0x5d0 [ 546.681402][ T8832] ? vfs_write+0x834/0x1580 [ 546.686072][ T8832] ? ksys_write+0x21f/0x4f0 [ 546.690734][ T8832] ? __x64_sys_write+0x93/0xd0 [ 546.695776][ T8832] ? do_syscall_64+0x41/0xc0 [ 546.700640][ T8832] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 546.706982][ T8832] ? kmsan_internal_memmove_metadata+0x9a/0x360 [ 546.713477][ T8832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 546.719469][ T8832] ? __pskb_pull_tail+0x1d08/0x2320 [ 546.724842][ T8832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 546.730825][ T8832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 546.736815][ T8832] __msan_warning+0x96/0x110 [ 546.741556][ T8832] llc_rcv+0x119e/0x1540 [ 546.745983][ T8832] __netif_receive_skb+0x1b8/0x5e0 [ 546.751257][ T8832] ? llc_set_station_handler+0x70/0x70 [ 546.756904][ T8832] netif_receive_skb+0x68/0x680 [ 546.762036][ T8832] tun_rx_batched+0x837/0x930 [ 546.766911][ T8832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 546.772896][ T8832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 546.778884][ T8832] tun_get_user+0x591d/0x7070 [ 546.784038][ T8832] ? vfs_write+0x530/0x1580 [ 546.788736][ T8832] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 546.794911][ T8832] tun_chr_write_iter+0x3af/0x5d0 [ 546.800146][ T8832] ? tun_chr_read_iter+0x670/0x670 [ 546.805546][ T8832] vfs_write+0x834/0x1580 [ 546.810070][ T8832] ksys_write+0x21f/0x4f0 [ 546.814577][ T8832] __x64_sys_write+0x93/0xd0 [ 546.819342][ T8832] do_syscall_64+0x41/0xc0 [ 546.823952][ T8832] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 546.830190][ T8832] RIP: 0033:0x7fe6a8792b69 [ 546.834732][ T8832] 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 [ 546.854782][ T8832] RSP: 002b:00007fffb41338e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 546.863365][ T8832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe6a8792b69 [ 546.871487][ T8832] RDX: 000000000000fdef RSI: 00000000200000c0 RDI: 0000000000000003 [ 546.879592][ T8832] RBP: 00007fe6a8756d10 R08: 0000000000000000 R09: 0000000000000000 [ 546.887789][ T8832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe6a8756da0 [ 546.896061][ T8832] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 546.904776][ T8832] [ 546.908109][ T8832] Kernel Offset: disabled [ 546.912517][ T8832] Rebooting in 86400 seconds..