forked to background, child pid 3049 no interfaces have a carrier [ 69.501862][ T3050] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.519726][ T3050] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 95.143017][ T26] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.165' (ECDSA) to the list of known hosts. executing program [ 96.543565][ T3470] ===================================================== [ 96.550612][ T3470] BUG: KMSAN: uninit-value in ___bpf_prog_run+0xa22b/0xb420 [ 96.557940][ T3470] ___bpf_prog_run+0xa22b/0xb420 [ 96.562938][ T3470] __bpf_prog_run32+0x121/0x180 [ 96.567813][ T3470] __bpf_prog_run_save_cb+0x168/0x580 [ 96.573234][ T3470] sk_filter_trim_cap+0x3bc/0x8c0 [ 96.578303][ T3470] netlink_dump+0xe0c/0x16c0 [ 96.582931][ T3470] netlink_recvmsg+0x1129/0x1c80 [ 96.587908][ T3470] sock_read_iter+0x5a9/0x630 [ 96.592630][ T3470] do_iter_readv_writev+0xa7f/0xc70 [ 96.597850][ T3470] do_iter_read+0x52c/0x14c0 [ 96.602496][ T3470] do_readv+0x432/0x800 [ 96.606677][ T3470] __x64_sys_readv+0xe5/0x120 [ 96.611401][ T3470] do_syscall_64+0x54/0xd0 [ 96.615892][ T3470] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.621834][ T3470] [ 96.624183][ T3470] Uninit was stored to memory at: [ 96.629267][ T3470] ___bpf_prog_run+0x96c/0xb420 [ 96.634153][ T3470] __bpf_prog_run32+0x121/0x180 [ 96.639037][ T3470] __bpf_prog_run_save_cb+0x168/0x580 [ 96.644451][ T3470] sk_filter_trim_cap+0x3bc/0x8c0 [ 96.649521][ T3470] netlink_dump+0xe0c/0x16c0 [ 96.654146][ T3470] netlink_recvmsg+0x1129/0x1c80 [ 96.659114][ T3470] sock_read_iter+0x5a9/0x630 [ 96.663839][ T3470] do_iter_readv_writev+0xa7f/0xc70 [ 96.669075][ T3470] do_iter_read+0x52c/0x14c0 [ 96.673717][ T3470] do_readv+0x432/0x800 [ 96.677901][ T3470] __x64_sys_readv+0xe5/0x120 [ 96.682623][ T3470] do_syscall_64+0x54/0xd0 [ 96.687092][ T3470] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.693030][ T3470] [ 96.695355][ T3470] Uninit was created at: [ 96.699656][ T3470] __kmalloc_node_track_caller+0xde3/0x14f0 [ 96.705591][ T3470] __alloc_skb+0x545/0xf90 [ 96.710048][ T3470] netlink_dump+0x30f/0x16c0 [ 96.714673][ T3470] netlink_recvmsg+0x1129/0x1c80 [ 96.719644][ T3470] sock_read_iter+0x5a9/0x630 [ 96.724373][ T3470] do_iter_readv_writev+0xa7f/0xc70 [ 96.729603][ T3470] do_iter_read+0x52c/0x14c0 [ 96.734238][ T3470] do_readv+0x432/0x800 [ 96.738425][ T3470] __x64_sys_readv+0xe5/0x120 [ 96.743147][ T3470] do_syscall_64+0x54/0xd0 [ 96.747612][ T3470] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.753551][ T3470] [ 96.755884][ T3470] CPU: 0 PID: 3470 Comm: syz-executor751 Not tainted 5.17.0-syzkaller #0 [ 96.764328][ T3470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.774400][ T3470] ===================================================== [ 96.781332][ T3470] Disabling lock debugging due to kernel taint [ 96.788295][ T3470] Kernel panic - not syncing: kmsan.panic set ... [ 96.794724][ T3470] CPU: 0 PID: 3470 Comm: syz-executor751 Tainted: G B 5.17.0-syzkaller #0 [ 96.804557][ T3470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.814628][ T3470] Call Trace: [ 96.817918][ T3470] [ 96.820868][ T3470] dump_stack_lvl+0x1ff/0x28e [ 96.825607][ T3470] dump_stack+0x25/0x28 [ 96.829815][ T3470] panic+0x487/0xe1f [ 96.833762][ T3470] ? add_taint+0x181/0x210 [ 96.838221][ T3470] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 96.844081][ T3470] kmsan_report+0x2e6/0x2f0 [ 96.848632][ T3470] ? __stack_depot_save+0x3b0/0x4d0 [ 96.853883][ T3470] ? kmsan_internal_chain_origin+0x103/0x120 [ 96.859920][ T3470] ? __msan_warning+0xb8/0x130 [ 96.864732][ T3470] ? ___bpf_prog_run+0xa22b/0xb420 [ 96.869885][ T3470] ? __bpf_prog_run32+0x121/0x180 [ 96.874946][ T3470] ? __bpf_prog_run_save_cb+0x168/0x580 [ 96.880537][ T3470] ? sk_filter_trim_cap+0x3bc/0x8c0 [ 96.885790][ T3470] ? netlink_dump+0xe0c/0x16c0 [ 96.890593][ T3470] ? netlink_recvmsg+0x1129/0x1c80 [ 96.895738][ T3470] ? sock_read_iter+0x5a9/0x630 [ 96.900633][ T3470] ? do_iter_readv_writev+0xa7f/0xc70 [ 96.906038][ T3470] ? do_iter_read+0x52c/0x14c0 [ 96.910848][ T3470] ? do_readv+0x432/0x800 [ 96.915209][ T3470] ? __x64_sys_readv+0xe5/0x120 [ 96.920113][ T3470] ? do_syscall_64+0x54/0xd0 [ 96.924750][ T3470] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.930868][ T3470] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 96.936987][ T3470] ? filter_irq_stacks+0xb5/0x230 [ 96.942071][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 96.947241][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.953106][ T3470] ? bpf_internal_load_pointer_neg_helper+0x379/0x3b0 [ 96.959930][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 96.965094][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.970963][ T3470] ? bpf_skb_load_helper_32+0x2b4/0x310 [ 96.976559][ T3470] ? kmsan_get_metadata+0x52/0x220 [ 96.981702][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.987552][ T3470] __msan_warning+0xb8/0x130 [ 96.992165][ T3470] ___bpf_prog_run+0xa22b/0xb420 [ 96.997124][ T3470] ? bpf_skb_load_helper_16_no_cache+0x3e0/0x3e0 [ 97.003490][ T3470] __bpf_prog_run32+0x121/0x180 [ 97.008362][ T3470] ? kmsan_get_metadata+0x52/0x220 [ 97.013498][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 97.019341][ T3470] ? ___bpf_prog_run+0xb420/0xb420 [ 97.024494][ T3470] __bpf_prog_run_save_cb+0x168/0x580 [ 97.029907][ T3470] sk_filter_trim_cap+0x3bc/0x8c0 [ 97.034990][ T3470] netlink_dump+0xe0c/0x16c0 [ 97.039617][ T3470] netlink_recvmsg+0x1129/0x1c80 [ 97.044590][ T3470] ? netlink_sendmsg+0x1720/0x1720 [ 97.049720][ T3470] sock_read_iter+0x5a9/0x630 [ 97.054440][ T3470] ? kernel_sock_ip_overhead+0x3b0/0x3b0 [ 97.060119][ T3470] do_iter_readv_writev+0xa7f/0xc70 [ 97.065365][ T3470] ? kernel_sock_ip_overhead+0x3b0/0x3b0 [ 97.071030][ T3470] do_iter_read+0x52c/0x14c0 [ 97.075675][ T3470] do_readv+0x432/0x800 [ 97.079868][ T3470] ? kmsan_get_metadata+0x33/0x220 [ 97.085022][ T3470] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 97.090885][ T3470] __x64_sys_readv+0xe5/0x120 [ 97.095606][ T3470] do_syscall_64+0x54/0xd0 [ 97.100089][ T3470] ? exc_page_fault+0x76/0x150 [ 97.104893][ T3470] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 97.110829][ T3470] RIP: 0033:0x7f80539e1e69 [ 97.115258][ T3470] 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 [ 97.134903][ T3470] RSP: 002b:00007fffa3fc46c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 [ 97.143333][ T3470] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80539e1e69 [ 97.151427][ T3470] RDX: 0000000000000007 RSI: 0000000020003400 RDI: 0000000000000003 [ 97.159409][ T3470] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 97.167400][ T3470] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f80539a56f0 [ 97.175379][ T3470] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 97.183376][ T3470] [ 97.186585][ T3470] Kernel Offset: disabled [ 97.190915][ T3470] Rebooting in 86400 seconds..