Warning: Permanently added '10.128.0.200' (ECDSA) to the list of known hosts. syzkaller login: [ 403.364954][T11375] IPVS: ftp: loaded support on port[0] = 21 [ 403.444263][T11375] chnl_net:caif_netlink_parms(): no params data found [ 403.478368][T11375] bridge0: port 1(bridge_slave_0) entered blocking state [ 403.485712][T11375] bridge0: port 1(bridge_slave_0) entered disabled state [ 403.494266][T11375] device bridge_slave_0 entered promiscuous mode [ 403.502818][T11375] bridge0: port 2(bridge_slave_1) entered blocking state [ 403.509931][T11375] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.518552][T11375] device bridge_slave_1 entered promiscuous mode [ 403.539993][T11375] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 403.551198][T11375] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 403.573947][T11375] team0: Port device team_slave_0 added [ 403.582818][T11375] team0: Port device team_slave_1 added [ 403.664867][T11375] device hsr_slave_0 entered promiscuous mode [ 403.712792][T11375] device hsr_slave_1 entered promiscuous mode [ 403.763768][T11375] bridge0: port 2(bridge_slave_1) entered blocking state [ 403.770901][T11375] bridge0: port 2(bridge_slave_1) entered forwarding state [ 403.778900][T11375] bridge0: port 1(bridge_slave_0) entered blocking state [ 403.786174][T11375] bridge0: port 1(bridge_slave_0) entered forwarding state [ 403.831397][T11375] 8021q: adding VLAN 0 to HW filter on device bond0 [ 403.845859][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 403.856887][ T31] bridge0: port 1(bridge_slave_0) entered disabled state [ 403.866651][ T31] bridge0: port 2(bridge_slave_1) entered disabled state [ 403.875382][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 403.890183][T11375] 8021q: adding VLAN 0 to HW filter on device team0 [ 403.915846][T11378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 403.924581][T11378] bridge0: port 1(bridge_slave_0) entered blocking state [ 403.931701][T11378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 403.940186][T11378] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 403.948841][T11378] bridge0: port 2(bridge_slave_1) entered blocking state [ 403.956048][T11378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 403.970026][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 403.980449][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 403.998459][ T3682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 404.018101][T11375] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 404.028574][T11375] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 404.041499][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 404.050626][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 404.060499][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 404.084561][T11375] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 404.362640][ T3682] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 404.732463][ T3682] usb 1-1: config 0 has an invalid interface number: 206 but max is 0 [ 404.740723][ T3682] usb 1-1: config 0 has no interface number 0 [ 404.747010][ T3682] usb 1-1: New USB device found, idVendor=0411, idProduct=0012, bcdDevice=56.5f [ 404.756167][ T3682] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 404.765738][ T3682] usb 1-1: config 0 descriptor?? [ 405.457687][ T3682] rtl8150 1-1:0.206: eth1: rtl8150 is detected [ 405.466957][ T3682] usb 1-1: USB disconnect, device number 2 [ 405.540288][T11358] ===================================================== [ 405.547371][T11358] BUG: KMSAN: uninit-value in hex_string+0x7d8/0x8d0 [ 405.554064][T11358] CPU: 1 PID: 11358 Comm: udevd Not tainted 5.4.0-rc3+ #0 [ 405.561175][T11358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.571233][T11358] Call Trace: [ 405.574525][T11358] dump_stack+0x191/0x1f0 [ 405.578927][T11358] kmsan_report+0x14a/0x2f0 [ 405.583422][T11358] __msan_warning+0x73/0xf0 [ 405.587910][T11358] hex_string+0x7d8/0x8d0 [ 405.592318][T11358] pointer+0xbfe/0x1d10 [ 405.596463][T11358] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 405.602351][T11358] vsnprintf+0x1c0c/0x3210 [ 405.606771][T11358] scnprintf+0x235/0x300 [ 405.611015][T11358] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 405.617176][T11358] sysfs_format_mac+0xde/0x100 [ 405.621974][T11358] address_show+0x159/0x1d0 [ 405.626476][T11358] ? link_mode_show+0x1a0/0x1a0 [ 405.631394][T11358] dev_attr_show+0xd8/0x1e0 [ 405.635964][T11358] sysfs_kf_seq_show+0x434/0x7b0 [ 405.640891][T11358] ? sysfs_kf_write+0x2a0/0x2a0 [ 405.645824][T11358] kernfs_seq_show+0x164/0x1e0 [ 405.650579][T11358] ? kernfs_seq_next+0x3e0/0x3e0 [ 405.655560][T11358] seq_read+0xac6/0x1d90 [ 405.659800][T11358] kernfs_fop_read+0x2c3/0x9a0 [ 405.664559][T11358] ? kernfs_notify_workfn+0x960/0x960 [ 405.669998][T11358] __vfs_read+0x1a9/0xc90 [ 405.674322][T11358] ? rw_verify_area+0x3a5/0x5e0 [ 405.679177][T11358] vfs_read+0x359/0x6f0 [ 405.683321][T11358] ksys_read+0x265/0x430 [ 405.687553][T11358] __se_sys_read+0x92/0xb0 [ 405.691953][T11358] __x64_sys_read+0x4a/0x70 [ 405.696485][T11358] do_syscall_64+0xb6/0x160 [ 405.701013][T11358] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 405.706914][T11358] RIP: 0033:0x7f86ba3f8310 [ 405.711347][T11358] Code: 73 01 c3 48 8b 0d 28 4b 2b 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 83 3d e5 a2 2b 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 6e 8a 01 00 48 89 04 24 [ 405.730941][T11358] RSP: 002b:00007ffc5ce2bed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 405.739385][T11358] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f86ba3f8310 [ 405.747347][T11358] RDX: 0000000000001000 RSI: 00007ffc5ce2c380 RDI: 0000000000000005 [ 405.755310][T11358] RBP: 00007ffc5ce2d4b0 R08: 00007ffc5ce2d4b0 R09: 00007f86ba44e7d0 [ 405.763264][T11358] R10: 312f316273752f30 R11: 0000000000000246 R12: 0000000000df22d0 [ 405.771220][T11358] R13: 0000000000df23c0 R14: 0000000000000001 R15: 0000000000e0d159 [ 405.779194][T11358] [ 405.781499][T11358] Uninit was stored to memory at: [ 405.786551][T11358] kmsan_internal_chain_origin+0xbd/0x170 [ 405.792254][T11358] kmsan_memcpy_memmove_metadata+0x25c/0x2e0 [ 405.798219][T11358] kmsan_memcpy_metadata+0xb/0x10 [ 405.803227][T11358] __msan_memcpy+0x56/0x70 [ 405.807704][T11358] rtl8150_probe+0x1143/0x14a0 [ 405.812520][T11358] usb_probe_interface+0xd19/0x1310 [ 405.817700][T11358] really_probe+0xd91/0x1f90 [ 405.822267][T11358] driver_probe_device+0x1ba/0x510 [ 405.827359][T11358] __device_attach_driver+0x5b8/0x790 [ 405.832715][T11358] bus_for_each_drv+0x28e/0x3b0 [ 405.837543][T11358] __device_attach+0x489/0x750 [ 405.842475][T11358] device_initial_probe+0x4a/0x60 [ 405.847496][T11358] bus_probe_device+0x131/0x390 [ 405.852342][T11358] device_add+0x25b5/0x2df0 [ 405.856845][T11358] usb_set_configuration+0x309f/0x3710 [ 405.862350][T11358] generic_probe+0xe7/0x280 [ 405.866952][T11358] usb_probe_device+0x146/0x200 [ 405.871866][T11358] really_probe+0xd91/0x1f90 [ 405.876440][T11358] driver_probe_device+0x1ba/0x510 [ 405.881623][T11358] __device_attach_driver+0x5b8/0x790 [ 405.886992][T11358] bus_for_each_drv+0x28e/0x3b0 [ 405.891924][T11358] __device_attach+0x489/0x750 [ 405.896677][T11358] device_initial_probe+0x4a/0x60 [ 405.901693][T11358] bus_probe_device+0x131/0x390 [ 405.906533][T11358] device_add+0x25b5/0x2df0 [ 405.911013][T11358] usb_new_device+0x23e5/0x2fb0 [ 405.915843][T11358] hub_event+0x581d/0x72f0 [ 405.920344][T11358] process_one_work+0x1572/0x1ef0 [ 405.925353][T11358] worker_thread+0x111b/0x2460 [ 405.930121][T11358] kthread+0x4b5/0x4f0 [ 405.934182][T11358] ret_from_fork+0x35/0x40 [ 405.938571][T11358] [ 405.940890][T11358] Local variable description: ----node_id.i@rtl8150_probe [ 405.947974][T11358] Variable was created at: [ 405.952383][T11358] rtl8150_probe+0xdc8/0x14a0 [ 405.957043][T11358] rtl8150_probe+0xdc8/0x14a0 [ 405.962652][T11358] ===================================================== [ 405.969577][T11358] Disabling lock debugging due to kernel taint [ 405.975707][T11358] Kernel panic - not syncing: panic_on_warn set ... [ 405.982430][T11358] CPU: 1 PID: 11358 Comm: udevd Tainted: G B 5.4.0-rc3+ #0 [ 405.990919][T11358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.001043][T11358] Call Trace: [ 406.005379][T11358] dump_stack+0x191/0x1f0 [ 406.009813][T11358] panic+0x3c9/0xc1e [ 406.014095][T11358] kmsan_report+0x2e8/0x2f0 [ 406.018600][T11358] __msan_warning+0x73/0xf0 [ 406.023106][T11358] hex_string+0x7d8/0x8d0 [ 406.027428][T11358] pointer+0xbfe/0x1d10 [ 406.031573][T11358] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 406.037449][T11358] vsnprintf+0x1c0c/0x3210 [ 406.041873][T11358] scnprintf+0x235/0x300 [ 406.046250][T11358] ? kmsan_internal_unpoison_shadow+0x42/0x70 [ 406.052320][T11358] sysfs_format_mac+0xde/0x100 [ 406.057072][T11358] address_show+0x159/0x1d0 [ 406.061569][T11358] ? link_mode_show+0x1a0/0x1a0 [ 406.066419][T11358] dev_attr_show+0xd8/0x1e0 [ 406.070914][T11358] sysfs_kf_seq_show+0x434/0x7b0 [ 406.075927][T11358] ? sysfs_kf_write+0x2a0/0x2a0 [ 406.080772][T11358] kernfs_seq_show+0x164/0x1e0 [ 406.085538][T11358] ? kernfs_seq_next+0x3e0/0x3e0 [ 406.090465][T11358] seq_read+0xac6/0x1d90 [ 406.094712][T11358] kernfs_fop_read+0x2c3/0x9a0 [ 406.099469][T11358] ? kernfs_notify_workfn+0x960/0x960 [ 406.105072][T11358] __vfs_read+0x1a9/0xc90 [ 406.109402][T11358] ? rw_verify_area+0x3a5/0x5e0 [ 406.114349][T11358] vfs_read+0x359/0x6f0 [ 406.118506][T11358] ksys_read+0x265/0x430 [ 406.123002][T11358] __se_sys_read+0x92/0xb0 [ 406.127414][T11358] __x64_sys_read+0x4a/0x70 [ 406.131918][T11358] do_syscall_64+0xb6/0x160 [ 406.136416][T11358] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 406.142291][T11358] RIP: 0033:0x7f86ba3f8310 [ 406.146694][T11358] Code: 73 01 c3 48 8b 0d 28 4b 2b 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 83 3d e5 a2 2b 00 00 75 10 b8 00 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 6e 8a 01 00 48 89 04 24 [ 406.166277][T11358] RSP: 002b:00007ffc5ce2bed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 406.174673][T11358] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f86ba3f8310 [ 406.182623][T11358] RDX: 0000000000001000 RSI: 00007ffc5ce2c380 RDI: 0000000000000005 [ 406.190589][T11358] RBP: 00007ffc5ce2d4b0 R08: 00007ffc5ce2d4b0 R09: 00007f86ba44e7d0 [ 406.198539][T11358] R10: 312f316273752f30 R11: 0000000000000246 R12: 0000000000df22d0 [ 406.206487][T11358] R13: 0000000000df23c0 R14: 0000000000000001 R15: 0000000000e0d159 [ 406.216137][T11358] Kernel Offset: disabled [ 406.220552][T11358] Rebooting in 86400 seconds..