Warning: Permanently added '10.128.0.94' (ECDSA) to the list of known hosts. syzkaller login: [ 154.743091][ T8223] IPVS: ftp: loaded support on port[0] = 21 executing program [ 154.834203][ T8246] ===================================================== [ 154.841431][ T8246] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x503/0x5a0 [ 154.849721][ T8246] CPU: 0 PID: 8246 Comm: syz-executor484 Not tainted 5.12.0-rc6-syzkaller #0 [ 154.858773][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.869941][ T8246] Call Trace: [ 154.873435][ T8246] dump_stack+0x24c/0x2e0 [ 154.877905][ T8246] kmsan_report+0xfb/0x1e0 [ 154.882647][ T8246] __msan_warning+0x5c/0xa0 [ 154.887544][ T8246] __ethtool_get_link_ksettings+0x503/0x5a0 [ 154.893481][ T8246] linkinfo_prepare_data+0x1e8/0x4b0 [ 154.899229][ T8246] ? strset_cleanup_data+0x190/0x190 [ 154.905675][ T8246] ethnl_default_notify+0x432/0x1030 [ 154.911456][ T8246] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 154.917710][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 154.923177][ T8246] ethtool_notify+0x259/0x520 [ 154.928266][ T8246] dev_ethtool+0xe228/0xe7b0 [ 154.932875][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 154.938101][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 154.943341][ T8246] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.949180][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 154.954763][ T8246] dev_ioctl+0x5a3/0x1260 [ 154.959134][ T8246] sock_do_ioctl+0x477/0x700 [ 154.963751][ T8246] sock_ioctl+0x997/0xef0 [ 154.968270][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 154.973768][ T8246] ? sock_poll+0x690/0x690 [ 154.978215][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 154.983150][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 154.987766][ T8246] do_syscall_64+0x9f/0x140 [ 154.992394][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 154.998562][ T8246] RIP: 0033:0x440b69 [ 155.002482][ T8246] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 155.022440][ T8246] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 155.030884][ T8246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 155.038867][ T8246] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 155.046866][ T8246] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.054851][ T8246] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000000000 [ 155.063264][ T8246] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 0000000000000003 [ 155.071866][ T8246] [ 155.074197][ T8246] Uninit was stored to memory at: [ 155.079215][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 155.085331][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 155.091323][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 155.096508][ T8246] __msan_memcpy+0x46/0x60 [ 155.101231][ T8246] tun_get_link_ksettings+0x7c/0xb0 [ 155.107172][ T8246] __ethtool_get_link_ksettings+0x204/0x5a0 [ 155.113573][ T8246] linkinfo_prepare_data+0x1e8/0x4b0 [ 155.119075][ T8246] ethnl_default_notify+0x432/0x1030 [ 155.124464][ T8246] ethtool_notify+0x259/0x520 [ 155.129270][ T8246] dev_ethtool+0xe228/0xe7b0 [ 155.134198][ T8246] dev_ioctl+0x5a3/0x1260 [ 155.139145][ T8246] sock_do_ioctl+0x477/0x700 [ 155.143872][ T8246] sock_ioctl+0x997/0xef0 [ 155.148233][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 155.153015][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 155.158420][ T8246] do_syscall_64+0x9f/0x140 [ 155.163276][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.169370][ T8246] [ 155.171704][ T8246] Uninit was stored to memory at: [ 155.176721][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 155.182559][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 155.188903][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 155.194139][ T8246] __msan_memcpy+0x46/0x60 [ 155.199039][ T8246] tun_set_link_ksettings+0x7e/0xb0 [ 155.204853][ T8246] dev_ethtool+0xe1a2/0xe7b0 [ 155.209931][ T8246] dev_ioctl+0x5a3/0x1260 [ 155.214396][ T8246] sock_do_ioctl+0x477/0x700 [ 155.218997][ T8246] sock_ioctl+0x997/0xef0 [ 155.223460][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 155.228288][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 155.233206][ T8246] do_syscall_64+0x9f/0x140 [ 155.238952][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.245261][ T8246] [ 155.247589][ T8246] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 155.255326][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 155.259973][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 155.264602][ T8246] ===================================================== [ 155.271920][ T8246] Disabling lock debugging due to kernel taint [ 155.281775][ T8246] ===================================================== [ 155.289489][ T8246] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x510/0x5a0 [ 155.297803][ T8246] CPU: 0 PID: 8246 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.308527][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.318875][ T8246] Call Trace: [ 155.322280][ T8246] dump_stack+0x24c/0x2e0 [ 155.327268][ T8246] kmsan_report+0xfb/0x1e0 [ 155.331901][ T8246] __msan_warning+0x5c/0xa0 [ 155.336540][ T8246] __ethtool_get_link_ksettings+0x510/0x5a0 [ 155.342594][ T8246] linkinfo_prepare_data+0x1e8/0x4b0 [ 155.348293][ T8246] ? strset_cleanup_data+0x190/0x190 [ 155.353873][ T8246] ethnl_default_notify+0x432/0x1030 [ 155.359192][ T8246] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.365382][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.370624][ T8246] ethtool_notify+0x259/0x520 [ 155.375769][ T8246] dev_ethtool+0xe228/0xe7b0 [ 155.380594][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.385845][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.391053][ T8246] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.396910][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.402314][ T8246] dev_ioctl+0x5a3/0x1260 [ 155.406776][ T8246] sock_do_ioctl+0x477/0x700 [ 155.411526][ T8246] sock_ioctl+0x997/0xef0 [ 155.415950][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.421298][ T8246] ? sock_poll+0x690/0x690 [ 155.425735][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 155.430424][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 155.435155][ T8246] do_syscall_64+0x9f/0x140 [ 155.439718][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.445770][ T8246] RIP: 0033:0x440b69 [ 155.449695][ T8246] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 155.469349][ T8246] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 155.477792][ T8246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 155.485790][ T8246] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 155.493861][ T8246] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.502424][ T8246] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000000000 [ 155.511119][ T8246] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 0000000000000003 [ 155.519223][ T8246] [ 155.521550][ T8246] Uninit was stored to memory at: [ 155.526562][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 155.532332][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 155.538316][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 155.543378][ T8246] __msan_memcpy+0x46/0x60 [ 155.547842][ T8246] tun_get_link_ksettings+0x7c/0xb0 [ 155.553336][ T8246] __ethtool_get_link_ksettings+0x204/0x5a0 [ 155.559255][ T8246] linkinfo_prepare_data+0x1e8/0x4b0 [ 155.564542][ T8246] ethnl_default_notify+0x432/0x1030 [ 155.569888][ T8246] ethtool_notify+0x259/0x520 [ 155.574571][ T8246] dev_ethtool+0xe228/0xe7b0 [ 155.579182][ T8246] dev_ioctl+0x5a3/0x1260 [ 155.583535][ T8246] sock_do_ioctl+0x477/0x700 [ 155.588132][ T8246] sock_ioctl+0x997/0xef0 [ 155.592510][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 155.597215][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 155.601841][ T8246] do_syscall_64+0x9f/0x140 [ 155.606391][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.612412][ T8246] [ 155.614740][ T8246] Uninit was stored to memory at: [ 155.619764][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 155.625502][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 155.631587][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 155.636667][ T8246] __msan_memcpy+0x46/0x60 [ 155.641095][ T8246] tun_set_link_ksettings+0x7e/0xb0 [ 155.646327][ T8246] dev_ethtool+0xe1a2/0xe7b0 [ 155.650947][ T8246] dev_ioctl+0x5a3/0x1260 [ 155.655281][ T8246] sock_do_ioctl+0x477/0x700 [ 155.659886][ T8246] sock_ioctl+0x997/0xef0 [ 155.664269][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 155.668979][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 155.673600][ T8246] do_syscall_64+0x9f/0x140 [ 155.678112][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.684015][ T8246] [ 155.686330][ T8246] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 155.694059][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 155.699692][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 155.704294][ T8246] ===================================================== [ 155.711774][ T8246] ===================================================== [ 155.718734][ T8246] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x53e/0x5a0 [ 155.727468][ T8246] CPU: 0 PID: 8246 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 155.737655][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 155.747813][ T8246] Call Trace: [ 155.752441][ T8246] dump_stack+0x24c/0x2e0 [ 155.756832][ T8246] kmsan_report+0xfb/0x1e0 [ 155.761283][ T8246] __msan_warning+0x5c/0xa0 [ 155.765858][ T8246] __ethtool_get_link_ksettings+0x53e/0x5a0 [ 155.771801][ T8246] linkinfo_prepare_data+0x1e8/0x4b0 [ 155.777140][ T8246] ? strset_cleanup_data+0x190/0x190 [ 155.782474][ T8246] ethnl_default_notify+0x432/0x1030 [ 155.787833][ T8246] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 155.793917][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.799239][ T8246] ethtool_notify+0x259/0x520 [ 155.804345][ T8246] dev_ethtool+0xe228/0xe7b0 [ 155.809335][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.816558][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.821882][ T8246] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 155.827744][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.832998][ T8246] dev_ioctl+0x5a3/0x1260 [ 155.837467][ T8246] sock_do_ioctl+0x477/0x700 [ 155.842083][ T8246] sock_ioctl+0x997/0xef0 [ 155.846467][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 155.851705][ T8246] ? sock_poll+0x690/0x690 [ 155.856139][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 155.860830][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 155.865448][ T8246] do_syscall_64+0x9f/0x140 [ 155.870138][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 155.876038][ T8246] RIP: 0033:0x440b69 [ 155.879954][ T8246] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 155.899596][ T8246] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 155.908049][ T8246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 155.916327][ T8246] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 155.924676][ T8246] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 155.932670][ T8246] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000000000 [ 155.940656][ T8246] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 0000000000000003 [ 155.948692][ T8246] [ 155.951041][ T8246] Uninit was stored to memory at: [ 155.956055][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 155.961791][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 155.967831][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 155.972890][ T8246] __msan_memcpy+0x46/0x60 [ 155.977323][ T8246] tun_get_link_ksettings+0x7c/0xb0 [ 155.982523][ T8246] __ethtool_get_link_ksettings+0x204/0x5a0 [ 155.988514][ T8246] linkinfo_prepare_data+0x1e8/0x4b0 [ 155.993829][ T8246] ethnl_default_notify+0x432/0x1030 [ 155.999169][ T8246] ethtool_notify+0x259/0x520 [ 156.003892][ T8246] dev_ethtool+0xe228/0xe7b0 [ 156.008509][ T8246] dev_ioctl+0x5a3/0x1260 [ 156.012862][ T8246] sock_do_ioctl+0x477/0x700 [ 156.017487][ T8246] sock_ioctl+0x997/0xef0 [ 156.021849][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 156.026542][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 156.031153][ T8246] do_syscall_64+0x9f/0x140 [ 156.035704][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.041667][ T8246] [ 156.044034][ T8246] Uninit was stored to memory at: [ 156.049082][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 156.055522][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 156.061534][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 156.066747][ T8246] __msan_memcpy+0x46/0x60 [ 156.071178][ T8246] tun_set_link_ksettings+0x7e/0xb0 [ 156.076407][ T8246] dev_ethtool+0xe1a2/0xe7b0 [ 156.081138][ T8246] dev_ioctl+0x5a3/0x1260 [ 156.085906][ T8246] sock_do_ioctl+0x477/0x700 [ 156.090635][ T8246] sock_ioctl+0x997/0xef0 [ 156.095258][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 156.100033][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 156.104635][ T8246] do_syscall_64+0x9f/0x140 [ 156.109152][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.115186][ T8246] [ 156.117508][ T8246] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 156.125470][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 156.130130][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 156.134762][ T8246] ===================================================== [ 156.141958][ T8246] ===================================================== [ 156.148920][ T8246] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x56b/0x5a0 [ 156.157239][ T8246] CPU: 0 PID: 8246 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 156.167531][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.177611][ T8246] Call Trace: [ 156.180915][ T8246] dump_stack+0x24c/0x2e0 [ 156.185294][ T8246] kmsan_report+0xfb/0x1e0 [ 156.189843][ T8246] __msan_warning+0x5c/0xa0 [ 156.194380][ T8246] __ethtool_get_link_ksettings+0x56b/0x5a0 [ 156.200321][ T8246] linkinfo_prepare_data+0x1e8/0x4b0 [ 156.205701][ T8246] ? strset_cleanup_data+0x190/0x190 [ 156.211085][ T8246] ethnl_default_notify+0x432/0x1030 [ 156.216405][ T8246] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 156.223115][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.228352][ T8246] ethtool_notify+0x259/0x520 [ 156.233482][ T8246] dev_ethtool+0xe228/0xe7b0 [ 156.238177][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.244894][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.250818][ T8246] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.257178][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.262604][ T8246] dev_ioctl+0x5a3/0x1260 [ 156.267787][ T8246] sock_do_ioctl+0x477/0x700 [ 156.272493][ T8246] sock_ioctl+0x997/0xef0 [ 156.276848][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.282245][ T8246] ? sock_poll+0x690/0x690 [ 156.286696][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 156.291405][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 156.296017][ T8246] do_syscall_64+0x9f/0x140 [ 156.300546][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.306772][ T8246] RIP: 0033:0x440b69 [ 156.310720][ T8246] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 156.331014][ T8246] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 156.339481][ T8246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 156.347657][ T8246] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 156.355674][ T8246] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 156.363683][ T8246] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000000000 [ 156.371672][ T8246] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 0000000000000003 [ 156.379676][ T8246] [ 156.382021][ T8246] Uninit was stored to memory at: [ 156.387028][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 156.392764][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 156.398853][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 156.403889][ T8246] __msan_memcpy+0x46/0x60 [ 156.408331][ T8246] tun_get_link_ksettings+0x7c/0xb0 [ 156.413987][ T8246] __ethtool_get_link_ksettings+0x204/0x5a0 [ 156.419914][ T8246] linkinfo_prepare_data+0x1e8/0x4b0 [ 156.425206][ T8246] ethnl_default_notify+0x432/0x1030 [ 156.430616][ T8246] ethtool_notify+0x259/0x520 [ 156.435312][ T8246] dev_ethtool+0xe228/0xe7b0 [ 156.439910][ T8246] dev_ioctl+0x5a3/0x1260 [ 156.444241][ T8246] sock_do_ioctl+0x477/0x700 [ 156.448854][ T8246] sock_ioctl+0x997/0xef0 [ 156.453349][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 156.458150][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 156.462793][ T8246] do_syscall_64+0x9f/0x140 [ 156.467323][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.473304][ T8246] [ 156.475720][ T8246] Uninit was stored to memory at: [ 156.480738][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 156.486549][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 156.492572][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 156.498558][ T8246] __msan_memcpy+0x46/0x60 [ 156.502998][ T8246] tun_set_link_ksettings+0x7e/0xb0 [ 156.509297][ T8246] dev_ethtool+0xe1a2/0xe7b0 [ 156.513906][ T8246] dev_ioctl+0x5a3/0x1260 [ 156.518235][ T8246] sock_do_ioctl+0x477/0x700 [ 156.522836][ T8246] sock_ioctl+0x997/0xef0 [ 156.527431][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 156.532127][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 156.537010][ T8246] do_syscall_64+0x9f/0x140 [ 156.541568][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.547463][ T8246] [ 156.549804][ T8246] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 156.557527][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 156.562176][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 156.566964][ T8246] ===================================================== [ 156.574411][ T8246] ===================================================== [ 156.581408][ T8246] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x503/0x5a0 [ 156.589730][ T8246] CPU: 0 PID: 8246 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 156.599956][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 156.610070][ T8246] Call Trace: [ 156.613376][ T8246] dump_stack+0x24c/0x2e0 [ 156.617776][ T8246] kmsan_report+0xfb/0x1e0 [ 156.622232][ T8246] __msan_warning+0x5c/0xa0 [ 156.626769][ T8246] __ethtool_get_link_ksettings+0x503/0x5a0 [ 156.632720][ T8246] linkmodes_prepare_data+0x244/0x650 [ 156.638138][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.643373][ T8246] ? ethnl_set_linkinfo+0xe80/0xe80 [ 156.648607][ T8246] ethnl_default_notify+0x432/0x1030 [ 156.654009][ T8246] ethtool_notify+0x259/0x520 [ 156.658689][ T8246] dev_ethtool+0xe250/0xe7b0 [ 156.663304][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.668520][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.673725][ T8246] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 156.679564][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.685747][ T8246] dev_ioctl+0x5a3/0x1260 [ 156.690589][ T8246] sock_do_ioctl+0x477/0x700 [ 156.695200][ T8246] sock_ioctl+0x997/0xef0 [ 156.699552][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 156.704778][ T8246] ? sock_poll+0x690/0x690 [ 156.709215][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 156.713953][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 156.718568][ T8246] do_syscall_64+0x9f/0x140 [ 156.723077][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.730366][ T8246] RIP: 0033:0x440b69 [ 156.734278][ T8246] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 156.753895][ T8246] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 156.762312][ T8246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 156.770285][ T8246] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 156.778296][ T8246] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 156.786341][ T8246] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000000000 [ 156.794359][ T8246] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 0000000000000003 [ 156.802359][ T8246] [ 156.804681][ T8246] Uninit was stored to memory at: [ 156.809724][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 156.815486][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 156.821474][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 156.826535][ T8246] __msan_memcpy+0x46/0x60 [ 156.830959][ T8246] tun_get_link_ksettings+0x7c/0xb0 [ 156.836210][ T8246] __ethtool_get_link_ksettings+0x204/0x5a0 [ 156.842148][ T8246] linkmodes_prepare_data+0x244/0x650 [ 156.847714][ T8246] ethnl_default_notify+0x432/0x1030 [ 156.853010][ T8246] ethtool_notify+0x259/0x520 [ 156.857711][ T8246] dev_ethtool+0xe250/0xe7b0 [ 156.862325][ T8246] dev_ioctl+0x5a3/0x1260 [ 156.866676][ T8246] sock_do_ioctl+0x477/0x700 [ 156.871290][ T8246] sock_ioctl+0x997/0xef0 [ 156.875629][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 156.880348][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 156.884989][ T8246] do_syscall_64+0x9f/0x140 [ 156.889549][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.895569][ T8246] [ 156.898010][ T8246] Uninit was stored to memory at: [ 156.903027][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 156.908787][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 156.914849][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 156.919895][ T8246] __msan_memcpy+0x46/0x60 [ 156.924320][ T8246] tun_set_link_ksettings+0x7e/0xb0 [ 156.929527][ T8246] dev_ethtool+0xe1a2/0xe7b0 [ 156.934124][ T8246] dev_ioctl+0x5a3/0x1260 [ 156.938476][ T8246] sock_do_ioctl+0x477/0x700 [ 156.943244][ T8246] sock_ioctl+0x997/0xef0 [ 156.947596][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 156.952415][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 156.957142][ T8246] do_syscall_64+0x9f/0x140 [ 156.961795][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 156.967741][ T8246] [ 156.970140][ T8246] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 156.977860][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 156.982459][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 156.987087][ T8246] ===================================================== [ 156.994209][ T8246] ===================================================== [ 157.001173][ T8246] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x510/0x5a0 [ 157.009724][ T8246] CPU: 0 PID: 8246 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 157.019941][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.030157][ T8246] Call Trace: [ 157.033488][ T8246] dump_stack+0x24c/0x2e0 [ 157.037863][ T8246] kmsan_report+0xfb/0x1e0 [ 157.042349][ T8246] __msan_warning+0x5c/0xa0 [ 157.046943][ T8246] __ethtool_get_link_ksettings+0x510/0x5a0 [ 157.052891][ T8246] linkmodes_prepare_data+0x244/0x650 [ 157.058315][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.063557][ T8246] ? ethnl_set_linkinfo+0xe80/0xe80 [ 157.068856][ T8246] ethnl_default_notify+0x432/0x1030 [ 157.074200][ T8246] ethtool_notify+0x259/0x520 [ 157.078882][ T8246] dev_ethtool+0xe250/0xe7b0 [ 157.083511][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.088726][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.093986][ T8246] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.099826][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.105043][ T8246] dev_ioctl+0x5a3/0x1260 [ 157.109448][ T8246] sock_do_ioctl+0x477/0x700 [ 157.114239][ T8246] sock_ioctl+0x997/0xef0 [ 157.118739][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.123948][ T8246] ? sock_poll+0x690/0x690 [ 157.128387][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 157.133092][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 157.137689][ T8246] do_syscall_64+0x9f/0x140 [ 157.142225][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.148131][ T8246] RIP: 0033:0x440b69 [ 157.152047][ T8246] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 157.171652][ T8246] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 157.180084][ T8246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 157.188050][ T8246] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 157.196035][ T8246] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 157.204033][ T8246] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000000000 [ 157.212145][ T8246] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 0000000000000003 [ 157.220153][ T8246] [ 157.222470][ T8246] Uninit was stored to memory at: [ 157.227479][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 157.233238][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 157.239243][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 157.244334][ T8246] __msan_memcpy+0x46/0x60 [ 157.248772][ T8246] tun_get_link_ksettings+0x7c/0xb0 [ 157.254137][ T8246] __ethtool_get_link_ksettings+0x204/0x5a0 [ 157.260056][ T8246] linkmodes_prepare_data+0x244/0x650 [ 157.265446][ T8246] ethnl_default_notify+0x432/0x1030 [ 157.270735][ T8246] ethtool_notify+0x259/0x520 [ 157.275411][ T8246] dev_ethtool+0xe250/0xe7b0 [ 157.280005][ T8246] dev_ioctl+0x5a3/0x1260 [ 157.284340][ T8246] sock_do_ioctl+0x477/0x700 [ 157.288932][ T8246] sock_ioctl+0x997/0xef0 [ 157.293264][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 157.297981][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 157.302658][ T8246] do_syscall_64+0x9f/0x140 [ 157.307202][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.313097][ T8246] [ 157.315439][ T8246] Uninit was stored to memory at: [ 157.320451][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 157.326298][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 157.332334][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 157.337376][ T8246] __msan_memcpy+0x46/0x60 [ 157.342423][ T8246] tun_set_link_ksettings+0x7e/0xb0 [ 157.347673][ T8246] dev_ethtool+0xe1a2/0xe7b0 [ 157.352337][ T8246] dev_ioctl+0x5a3/0x1260 [ 157.356699][ T8246] sock_do_ioctl+0x477/0x700 [ 157.361294][ T8246] sock_ioctl+0x997/0xef0 [ 157.365637][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 157.370334][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 157.374953][ T8246] do_syscall_64+0x9f/0x140 [ 157.379504][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.385430][ T8246] [ 157.387755][ T8246] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 157.395565][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 157.400162][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 157.404744][ T8246] ===================================================== [ 157.411865][ T8246] ===================================================== [ 157.418879][ T8246] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x53e/0x5a0 [ 157.427172][ T8246] CPU: 0 PID: 8246 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 157.437416][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.447502][ T8246] Call Trace: [ 157.450837][ T8246] dump_stack+0x24c/0x2e0 [ 157.455207][ T8246] kmsan_report+0xfb/0x1e0 [ 157.459660][ T8246] __msan_warning+0x5c/0xa0 [ 157.464212][ T8246] __ethtool_get_link_ksettings+0x53e/0x5a0 [ 157.470162][ T8246] linkmodes_prepare_data+0x244/0x650 [ 157.476084][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.481339][ T8246] ? ethnl_set_linkinfo+0xe80/0xe80 [ 157.486573][ T8246] ethnl_default_notify+0x432/0x1030 [ 157.491891][ T8246] ethtool_notify+0x259/0x520 [ 157.496572][ T8246] dev_ethtool+0xe250/0xe7b0 [ 157.501187][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.506395][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.511777][ T8246] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.517608][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.522835][ T8246] dev_ioctl+0x5a3/0x1260 [ 157.527229][ T8246] sock_do_ioctl+0x477/0x700 [ 157.531832][ T8246] sock_ioctl+0x997/0xef0 [ 157.536257][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.541581][ T8246] ? sock_poll+0x690/0x690 [ 157.546053][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 157.550741][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 157.555338][ T8246] do_syscall_64+0x9f/0x140 [ 157.559859][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.565770][ T8246] RIP: 0033:0x440b69 [ 157.569673][ T8246] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 157.589603][ T8246] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 157.598043][ T8246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 157.606065][ T8246] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 157.614126][ T8246] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 157.622175][ T8246] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000000000 [ 157.630788][ T8246] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 0000000000000003 [ 157.638804][ T8246] [ 157.641123][ T8246] Uninit was stored to memory at: [ 157.646153][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 157.651899][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 157.657882][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 157.662912][ T8246] __msan_memcpy+0x46/0x60 [ 157.667329][ T8246] tun_get_link_ksettings+0x7c/0xb0 [ 157.672643][ T8246] __ethtool_get_link_ksettings+0x204/0x5a0 [ 157.678562][ T8246] linkmodes_prepare_data+0x244/0x650 [ 157.683938][ T8246] ethnl_default_notify+0x432/0x1030 [ 157.689256][ T8246] ethtool_notify+0x259/0x520 [ 157.693927][ T8246] dev_ethtool+0xe250/0xe7b0 [ 157.698530][ T8246] dev_ioctl+0x5a3/0x1260 [ 157.702859][ T8246] sock_do_ioctl+0x477/0x700 [ 157.707473][ T8246] sock_ioctl+0x997/0xef0 [ 157.711845][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 157.716537][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 157.721141][ T8246] do_syscall_64+0x9f/0x140 [ 157.725661][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.731657][ T8246] [ 157.733979][ T8246] Uninit was stored to memory at: [ 157.739003][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 157.744771][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 157.750781][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 157.755874][ T8246] __msan_memcpy+0x46/0x60 [ 157.760294][ T8246] tun_set_link_ksettings+0x7e/0xb0 [ 157.765488][ T8246] dev_ethtool+0xe1a2/0xe7b0 [ 157.770137][ T8246] dev_ioctl+0x5a3/0x1260 [ 157.774686][ T8246] sock_do_ioctl+0x477/0x700 [ 157.779296][ T8246] sock_ioctl+0x997/0xef0 [ 157.783837][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 157.788603][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 157.793245][ T8246] do_syscall_64+0x9f/0x140 [ 157.797767][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.804312][ T8246] [ 157.806644][ T8246] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 157.814357][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 157.818965][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 157.823555][ T8246] ===================================================== [ 157.830750][ T8246] ===================================================== [ 157.837864][ T8246] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x56b/0x5a0 [ 157.846150][ T8246] CPU: 0 PID: 8246 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 157.856361][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 157.866530][ T8246] Call Trace: [ 157.869913][ T8246] dump_stack+0x24c/0x2e0 [ 157.874278][ T8246] kmsan_report+0xfb/0x1e0 [ 157.878798][ T8246] __msan_warning+0x5c/0xa0 [ 157.883330][ T8246] __ethtool_get_link_ksettings+0x56b/0x5a0 [ 157.889310][ T8246] linkmodes_prepare_data+0x244/0x650 [ 157.895669][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.900902][ T8246] ? ethnl_set_linkinfo+0xe80/0xe80 [ 157.906130][ T8246] ethnl_default_notify+0x432/0x1030 [ 157.911456][ T8246] ethtool_notify+0x259/0x520 [ 157.916213][ T8246] dev_ethtool+0xe250/0xe7b0 [ 157.920839][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.926050][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.931295][ T8246] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 157.937144][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.942464][ T8246] dev_ioctl+0x5a3/0x1260 [ 157.946920][ T8246] sock_do_ioctl+0x477/0x700 [ 157.951533][ T8246] sock_ioctl+0x997/0xef0 [ 157.955867][ T8246] ? kmsan_get_metadata+0x116/0x180 [ 157.961083][ T8246] ? sock_poll+0x690/0x690 [ 157.965624][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 157.970303][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 157.974906][ T8246] do_syscall_64+0x9f/0x140 [ 157.979422][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 157.985934][ T8246] RIP: 0033:0x440b69 [ 157.989934][ T8246] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 158.010185][ T8246] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 158.018614][ T8246] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 158.026637][ T8246] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 158.034622][ T8246] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 158.042603][ T8246] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000000000 [ 158.050577][ T8246] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 0000000000000003 [ 158.058661][ T8246] [ 158.060996][ T8246] Uninit was stored to memory at: [ 158.066016][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 158.071737][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 158.078003][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 158.083120][ T8246] __msan_memcpy+0x46/0x60 [ 158.087598][ T8246] tun_get_link_ksettings+0x7c/0xb0 [ 158.093288][ T8246] __ethtool_get_link_ksettings+0x204/0x5a0 [ 158.099566][ T8246] linkmodes_prepare_data+0x244/0x650 [ 158.104994][ T8246] ethnl_default_notify+0x432/0x1030 [ 158.110365][ T8246] ethtool_notify+0x259/0x520 [ 158.115045][ T8246] dev_ethtool+0xe250/0xe7b0 [ 158.119654][ T8246] dev_ioctl+0x5a3/0x1260 [ 158.124085][ T8246] sock_do_ioctl+0x477/0x700 [ 158.128716][ T8246] sock_ioctl+0x997/0xef0 [ 158.133042][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 158.137729][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 158.142312][ T8246] do_syscall_64+0x9f/0x140 [ 158.146816][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.152722][ T8246] [ 158.155049][ T8246] Uninit was stored to memory at: [ 158.160746][ T8246] kmsan_internal_chain_origin+0xad/0x130 [ 158.166485][ T8246] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 158.172463][ T8246] kmsan_memcpy_metadata+0xb/0x10 [ 158.177497][ T8246] __msan_memcpy+0x46/0x60 [ 158.181935][ T8246] tun_set_link_ksettings+0x7e/0xb0 [ 158.187130][ T8246] dev_ethtool+0xe1a2/0xe7b0 [ 158.191744][ T8246] dev_ioctl+0x5a3/0x1260 [ 158.196081][ T8246] sock_do_ioctl+0x477/0x700 [ 158.200788][ T8246] sock_ioctl+0x997/0xef0 [ 158.205147][ T8246] __se_sys_ioctl+0x311/0x4d0 [ 158.209845][ T8246] __x64_sys_ioctl+0x4a/0x70 [ 158.214454][ T8246] do_syscall_64+0x9f/0x140 [ 158.218965][ T8246] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.224873][ T8246] [ 158.227190][ T8246] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 158.235014][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 158.239636][ T8246] dev_ethtool+0x3cdc/0xe7b0 [ 158.244498][ T8246] ===================================================== [ 158.253957][ C0] clocksource: timekeeping watchdog on CPU0: Marking clocksource 'tsc' as unstable because the skew is too large: [ 158.266344][ C0] clocksource: 'acpi_pm' wd_now: a7da95 wd_last: 58d4b mask: ffffff [ 158.276693][ C0] clocksource: 'tsc' cs_now: 58334ed132 cs_last: 569bf35aeb mask: ffffffffffffffff [ 158.288369][ C0] tsc: Marking TSC unstable due to clocksource watchdog executing program [ 158.296880][ T7] TSC found unstable after boot, most likely due to broken BIOS. Use 'tsc=unstable'. [ 158.306637][ T7] sched_clock: Marking unstable (158354740332, -57860454)<-(158302758511, -5885278) [ 158.326061][ T8247] clocksource: Switched to clocksource acpi_pm [ 158.337541][ T8249] ===================================================== [ 158.342705][ T8249] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x503/0x5a0 [ 158.342705][ T8249] CPU: 0 PID: 8249 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 158.342705][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.342705][ T8249] Call Trace: [ 158.342705][ T8249] dump_stack+0x24c/0x2e0 [ 158.342705][ T8249] kmsan_report+0xfb/0x1e0 [ 158.342705][ T8249] __msan_warning+0x5c/0xa0 [ 158.342705][ T8249] __ethtool_get_link_ksettings+0x503/0x5a0 [ 158.342705][ T8249] linkinfo_prepare_data+0x1e8/0x4b0 [ 158.342705][ T8249] ? strset_cleanup_data+0x190/0x190 [ 158.342705][ T8249] ethnl_default_notify+0x432/0x1030 [ 158.342705][ T8249] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.342705][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.342705][ T8249] ethtool_notify+0x259/0x520 [ 158.342705][ T8249] dev_ethtool+0xe228/0xe7b0 [ 158.342705][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.342705][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.342705][ T8249] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 158.342705][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.342705][ T8249] dev_ioctl+0x5a3/0x1260 [ 158.342705][ T8249] sock_do_ioctl+0x477/0x700 [ 158.342705][ T8249] sock_ioctl+0x997/0xef0 [ 158.342705][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.342705][ T8249] ? sock_poll+0x690/0x690 [ 158.342705][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 158.342705][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 158.342705][ T8249] do_syscall_64+0x9f/0x140 [ 158.342705][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.342705][ T8249] RIP: 0033:0x440b69 [ 158.342705][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 158.342705][ T8249] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 158.342705][ T8249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 158.342705][ T8249] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 158.342705][ T8249] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 158.342705][ T8249] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000025d04 [ 158.342705][ T8249] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 158.342705][ T8249] [ 158.342705][ T8249] Uninit was stored to memory at: [ 158.342705][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 158.342705][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 158.342705][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 158.342705][ T8249] __msan_memcpy+0x46/0x60 [ 158.342705][ T8249] tun_get_link_ksettings+0x7c/0xb0 [ 158.342705][ T8249] __ethtool_get_link_ksettings+0x204/0x5a0 [ 158.342705][ T8249] linkinfo_prepare_data+0x1e8/0x4b0 [ 158.342705][ T8249] ethnl_default_notify+0x432/0x1030 [ 158.342705][ T8249] ethtool_notify+0x259/0x520 [ 158.342705][ T8249] dev_ethtool+0xe228/0xe7b0 [ 158.342705][ T8249] dev_ioctl+0x5a3/0x1260 [ 158.342705][ T8249] sock_do_ioctl+0x477/0x700 [ 158.342705][ T8249] sock_ioctl+0x997/0xef0 [ 158.342705][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 158.342705][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 158.342705][ T8249] do_syscall_64+0x9f/0x140 [ 158.342705][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.342705][ T8249] [ 158.342705][ T8249] Uninit was stored to memory at: [ 158.342705][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 158.342705][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 158.342705][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 158.342705][ T8249] __msan_memcpy+0x46/0x60 [ 158.342705][ T8249] tun_set_link_ksettings+0x7e/0xb0 [ 158.342705][ T8249] dev_ethtool+0xe1a2/0xe7b0 [ 158.342705][ T8249] dev_ioctl+0x5a3/0x1260 [ 158.342705][ T8249] sock_do_ioctl+0x477/0x700 [ 158.342705][ T8249] sock_ioctl+0x997/0xef0 [ 158.342705][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 158.342705][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 158.342705][ T8249] do_syscall_64+0x9f/0x140 [ 158.342705][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.342705][ T8249] [ 158.342705][ T8249] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 158.342705][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 158.342705][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 158.342705][ T8249] ===================================================== [ 158.764935][ T8249] ===================================================== [ 158.772112][ T8249] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x510/0x5a0 [ 158.774640][ T8249] CPU: 0 PID: 8249 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 158.774640][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 158.774640][ T8249] Call Trace: [ 158.774640][ T8249] dump_stack+0x24c/0x2e0 [ 158.774640][ T8249] kmsan_report+0xfb/0x1e0 [ 158.774640][ T8249] __msan_warning+0x5c/0xa0 [ 158.774640][ T8249] __ethtool_get_link_ksettings+0x510/0x5a0 [ 158.774640][ T8249] linkinfo_prepare_data+0x1e8/0x4b0 [ 158.774640][ T8249] ? strset_cleanup_data+0x190/0x190 [ 158.774640][ T8249] ethnl_default_notify+0x432/0x1030 [ 158.774640][ T8249] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 158.774640][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.774640][ T8249] ethtool_notify+0x259/0x520 [ 158.774640][ T8249] dev_ethtool+0xe228/0xe7b0 [ 158.774640][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.774640][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.774640][ T8249] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 158.774640][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.774640][ T8249] dev_ioctl+0x5a3/0x1260 [ 158.774640][ T8249] sock_do_ioctl+0x477/0x700 [ 158.774640][ T8249] sock_ioctl+0x997/0xef0 [ 158.774640][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 158.899917][ T8249] ? sock_poll+0x690/0x690 [ 158.904836][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 158.909759][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 158.913436][ T8249] do_syscall_64+0x9f/0x140 [ 158.918302][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 158.925644][ T8249] RIP: 0033:0x440b69 [ 158.929304][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 158.948803][ T8249] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 158.957300][ T8249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 158.965884][ T8249] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 158.973302][ T8249] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 158.981964][ T8249] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000025d04 [ 158.989342][ T8249] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 158.997890][ T8249] [ 159.000341][ T8249] Uninit was stored to memory at: [ 159.005280][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 159.011421][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 159.017568][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 159.022433][ T8249] __msan_memcpy+0x46/0x60 [ 159.026130][ T8249] tun_get_link_ksettings+0x7c/0xb0 [ 159.032387][ T8249] __ethtool_get_link_ksettings+0x204/0x5a0 [ 159.037364][ T8249] linkinfo_prepare_data+0x1e8/0x4b0 [ 159.043627][ T8249] ethnl_default_notify+0x432/0x1030 [ 159.048547][ T8249] ethtool_notify+0x259/0x520 [ 159.053565][ T8249] dev_ethtool+0xe228/0xe7b0 [ 159.058439][ T8249] dev_ioctl+0x5a3/0x1260 [ 159.062090][ T8249] sock_do_ioctl+0x477/0x700 [ 159.066994][ T8249] sock_ioctl+0x997/0xef0 [ 159.070675][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 159.075620][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 159.080564][ T8249] do_syscall_64+0x9f/0x140 [ 159.085529][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.091634][ T8249] [ 159.092866][ T8249] Uninit was stored to memory at: [ 159.098976][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 159.103851][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 159.110023][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 159.116082][ T8249] __msan_memcpy+0x46/0x60 [ 159.119781][ T8249] tun_set_link_ksettings+0x7e/0xb0 [ 159.124851][ T8249] dev_ethtool+0xe1a2/0xe7b0 [ 159.129787][ T8249] dev_ioctl+0x5a3/0x1260 [ 159.134757][ T8249] sock_do_ioctl+0x477/0x700 [ 159.138417][ T8249] sock_ioctl+0x997/0xef0 [ 159.143304][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 159.148196][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 159.151847][ T8249] do_syscall_64+0x9f/0x140 [ 159.156730][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.162840][ T8249] [ 159.165322][ T8249] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 159.172694][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 159.177584][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 159.182510][ T8249] ===================================================== [ 159.190772][ T8249] ===================================================== [ 159.197755][ T8249] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x53e/0x5a0 [ 159.202439][ T8249] CPU: 0 PID: 8249 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 159.202439][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.202439][ T8249] Call Trace: [ 159.202439][ T8249] dump_stack+0x24c/0x2e0 [ 159.202439][ T8249] kmsan_report+0xfb/0x1e0 [ 159.202439][ T8249] __msan_warning+0x5c/0xa0 [ 159.202439][ T8249] __ethtool_get_link_ksettings+0x53e/0x5a0 [ 159.202439][ T8249] linkinfo_prepare_data+0x1e8/0x4b0 [ 159.202439][ T8249] ? strset_cleanup_data+0x190/0x190 [ 159.202439][ T8249] ethnl_default_notify+0x432/0x1030 [ 159.202439][ T8249] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 159.202439][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.277097][ T8249] ethtool_notify+0x259/0x520 [ 159.280808][ T8249] dev_ethtool+0xe228/0xe7b0 [ 159.285692][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.290645][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.296858][ T8249] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 159.301719][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.307818][ T8249] dev_ioctl+0x5a3/0x1260 [ 159.311476][ T8249] sock_do_ioctl+0x477/0x700 [ 159.316353][ T8249] sock_ioctl+0x997/0xef0 [ 159.321208][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.326081][ T8249] ? sock_poll+0x690/0x690 [ 159.330959][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 159.334618][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 159.339501][ T8249] do_syscall_64+0x9f/0x140 [ 159.344400][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.350486][ T8249] RIP: 0033:0x440b69 [ 159.354204][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 159.373817][ T8249] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 159.382436][ T8249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 159.389787][ T8249] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 159.398413][ T8249] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 159.406951][ T8249] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000025d04 [ 159.414281][ T8249] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 159.422827][ T8249] [ 159.425316][ T8249] Uninit was stored to memory at: [ 159.430259][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 159.435150][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 159.441261][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 159.446137][ T8249] __msan_memcpy+0x46/0x60 [ 159.451022][ T8249] tun_get_link_ksettings+0x7c/0xb0 [ 159.456025][ T8249] __ethtool_get_link_ksettings+0x204/0x5a0 [ 159.462192][ T8249] linkinfo_prepare_data+0x1e8/0x4b0 [ 159.467112][ T8249] ethnl_default_notify+0x432/0x1030 [ 159.473257][ T8249] ethtool_notify+0x259/0x520 [ 159.478133][ T8249] dev_ethtool+0xe228/0xe7b0 [ 159.481791][ T8249] dev_ioctl+0x5a3/0x1260 [ 159.486701][ T8249] sock_do_ioctl+0x477/0x700 [ 159.491591][ T8249] sock_ioctl+0x997/0xef0 [ 159.495249][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 159.500132][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 159.504991][ T8249] do_syscall_64+0x9f/0x140 [ 159.509893][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.514834][ T8249] [ 159.517258][ T8249] Uninit was stored to memory at: [ 159.522130][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 159.528228][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 159.534352][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 159.539217][ T8249] __msan_memcpy+0x46/0x60 [ 159.544153][ T8249] tun_set_link_ksettings+0x7e/0xb0 [ 159.549034][ T8249] dev_ethtool+0xe1a2/0xe7b0 [ 159.553910][ T8249] dev_ioctl+0x5a3/0x1260 [ 159.558783][ T8249] sock_do_ioctl+0x477/0x700 [ 159.562426][ T8249] sock_ioctl+0x997/0xef0 [ 159.567318][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 159.572194][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 159.577083][ T8249] do_syscall_64+0x9f/0x140 [ 159.580754][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.586853][ T8249] [ 159.589302][ T8249] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 159.596602][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 159.601447][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 159.606334][ T8249] ===================================================== [ 159.614094][ T8249] ===================================================== [ 159.621084][ T8249] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x56b/0x5a0 [ 159.623869][ T8249] CPU: 0 PID: 8249 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 159.623869][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 159.623869][ T8249] Call Trace: [ 159.623869][ T8249] dump_stack+0x24c/0x2e0 [ 159.623869][ T8249] kmsan_report+0xfb/0x1e0 [ 159.623869][ T8249] __msan_warning+0x5c/0xa0 [ 159.623869][ T8249] __ethtool_get_link_ksettings+0x56b/0x5a0 [ 159.623869][ T8249] linkinfo_prepare_data+0x1e8/0x4b0 [ 159.623869][ T8249] ? strset_cleanup_data+0x190/0x190 [ 159.623869][ T8249] ethnl_default_notify+0x432/0x1030 [ 159.623869][ T8249] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 159.623869][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.623869][ T8249] ethtool_notify+0x259/0x520 [ 159.623869][ T8249] dev_ethtool+0xe228/0xe7b0 [ 159.623869][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.713018][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.719102][ T8249] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 159.723989][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.730095][ T8249] dev_ioctl+0x5a3/0x1260 [ 159.733752][ T8249] sock_do_ioctl+0x477/0x700 [ 159.738635][ T8249] sock_ioctl+0x997/0xef0 [ 159.743582][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 159.748462][ T8249] ? sock_poll+0x690/0x690 [ 159.753346][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 159.757005][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 159.761935][ T8249] do_syscall_64+0x9f/0x140 [ 159.766860][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.773033][ T8249] RIP: 0033:0x440b69 [ 159.777975][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 159.797660][ T8249] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 159.806200][ T8249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 159.814820][ T8249] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 159.823423][ T8249] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 159.830742][ T8249] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000025d04 [ 159.839263][ T8249] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 159.847781][ T8249] [ 159.850252][ T8249] Uninit was stored to memory at: [ 159.855090][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 159.860054][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 159.867351][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 159.872326][ T8249] __msan_memcpy+0x46/0x60 [ 159.877228][ T8249] tun_get_link_ksettings+0x7c/0xb0 [ 159.882098][ T8249] __ethtool_get_link_ksettings+0x204/0x5a0 [ 159.888206][ T8249] linkinfo_prepare_data+0x1e8/0x4b0 [ 159.893096][ T8249] ethnl_default_notify+0x432/0x1030 [ 159.899166][ T8249] ethtool_notify+0x259/0x520 [ 159.904053][ T8249] dev_ethtool+0xe228/0xe7b0 [ 159.909049][ T8249] dev_ioctl+0x5a3/0x1260 [ 159.912697][ T8249] sock_do_ioctl+0x477/0x700 [ 159.917632][ T8249] sock_ioctl+0x997/0xef0 [ 159.921288][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 159.927384][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 159.931054][ T8249] do_syscall_64+0x9f/0x140 [ 159.936010][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 159.942105][ T8249] [ 159.944558][ T8249] Uninit was stored to memory at: [ 159.948730][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 159.954868][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 159.960958][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 159.965880][ T8249] __msan_memcpy+0x46/0x60 [ 159.970770][ T8249] tun_set_link_ksettings+0x7e/0xb0 [ 159.975645][ T8249] dev_ethtool+0xe1a2/0xe7b0 [ 159.980507][ T8249] dev_ioctl+0x5a3/0x1260 [ 159.985395][ T8249] sock_do_ioctl+0x477/0x700 [ 159.989052][ T8249] sock_ioctl+0x997/0xef0 [ 159.993928][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 159.998818][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 160.004857][ T8249] do_syscall_64+0x9f/0x140 [ 160.009733][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 160.015843][ T8249] [ 160.018266][ T8249] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 160.025595][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 160.030463][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 160.035335][ T8249] ===================================================== [ 160.043132][ T8249] ===================================================== [ 160.050095][ T8249] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x503/0x5a0 [ 160.052721][ T8249] CPU: 0 PID: 8249 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 160.052721][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.052721][ T8249] Call Trace: [ 160.052721][ T8249] dump_stack+0x24c/0x2e0 [ 160.052721][ T8249] kmsan_report+0xfb/0x1e0 [ 160.052721][ T8249] __msan_warning+0x5c/0xa0 [ 160.052721][ T8249] __ethtool_get_link_ksettings+0x503/0x5a0 [ 160.052721][ T8249] linkmodes_prepare_data+0x244/0x650 [ 160.052721][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.052721][ T8249] ? ethnl_set_linkinfo+0xe80/0xe80 [ 160.052721][ T8249] ethnl_default_notify+0x432/0x1030 [ 160.052721][ T8249] ethtool_notify+0x259/0x520 [ 160.052721][ T8249] dev_ethtool+0xe250/0xe7b0 [ 160.052721][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.136855][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.141710][ T8249] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 160.147826][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.152682][ T8249] dev_ioctl+0x5a3/0x1260 [ 160.157606][ T8249] sock_do_ioctl+0x477/0x700 [ 160.162435][ T8249] sock_ioctl+0x997/0xef0 [ 160.166097][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.170950][ T8249] ? sock_poll+0x690/0x690 [ 160.175841][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 160.180771][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 160.185684][ T8249] do_syscall_64+0x9f/0x140 [ 160.189380][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 160.195480][ T8249] RIP: 0033:0x440b69 [ 160.199144][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 160.219877][ T8249] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 160.228477][ T8249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 160.235837][ T8249] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 160.244372][ T8249] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 160.251672][ T8249] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000025d04 [ 160.260207][ T8249] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 160.268726][ T8249] [ 160.271159][ T8249] Uninit was stored to memory at: [ 160.276122][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 160.281085][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 160.287233][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 160.292096][ T8249] __msan_memcpy+0x46/0x60 [ 160.297024][ T8249] tun_get_link_ksettings+0x7c/0xb0 [ 160.301959][ T8249] __ethtool_get_link_ksettings+0x204/0x5a0 [ 160.308104][ T8249] linkmodes_prepare_data+0x244/0x650 [ 160.313069][ T8249] ethnl_default_notify+0x432/0x1030 [ 160.319174][ T8249] ethtool_notify+0x259/0x520 [ 160.322889][ T8249] dev_ethtool+0xe250/0xe7b0 [ 160.327778][ T8249] dev_ioctl+0x5a3/0x1260 [ 160.332699][ T8249] sock_do_ioctl+0x477/0x700 [ 160.337589][ T8249] sock_ioctl+0x997/0xef0 [ 160.341247][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 160.346080][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 160.350962][ T8249] do_syscall_64+0x9f/0x140 [ 160.354628][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 160.360725][ T8249] [ 160.363208][ T8249] Uninit was stored to memory at: [ 160.368073][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 160.374213][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 160.380351][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 160.385240][ T8249] __msan_memcpy+0x46/0x60 [ 160.390117][ T8249] tun_set_link_ksettings+0x7e/0xb0 [ 160.394986][ T8249] dev_ethtool+0xe1a2/0xe7b0 [ 160.399845][ T8249] dev_ioctl+0x5a3/0x1260 [ 160.403626][ T8249] sock_do_ioctl+0x477/0x700 [ 160.408519][ T8249] sock_ioctl+0x997/0xef0 [ 160.413410][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 160.417062][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 160.421960][ T8249] do_syscall_64+0x9f/0x140 [ 160.426866][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 160.432960][ T8249] [ 160.435396][ T8249] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 160.442727][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 160.447585][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 160.452425][ T8249] ===================================================== [ 160.461236][ T8249] ===================================================== [ 160.468216][ T8249] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x510/0x5a0 [ 160.471099][ T8249] CPU: 0 PID: 8249 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 160.471099][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.471099][ T8249] Call Trace: [ 160.471099][ T8249] dump_stack+0x24c/0x2e0 [ 160.471099][ T8249] kmsan_report+0xfb/0x1e0 [ 160.471099][ T8249] __msan_warning+0x5c/0xa0 [ 160.471099][ T8249] __ethtool_get_link_ksettings+0x510/0x5a0 [ 160.471099][ T8249] linkmodes_prepare_data+0x244/0x650 [ 160.471099][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.471099][ T8249] ? ethnl_set_linkinfo+0xe80/0xe80 [ 160.471099][ T8249] ethnl_default_notify+0x432/0x1030 [ 160.471099][ T8249] ethtool_notify+0x259/0x520 [ 160.471099][ T8249] dev_ethtool+0xe250/0xe7b0 [ 160.471099][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.555451][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.560373][ T8249] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 160.566518][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.571382][ T8249] dev_ioctl+0x5a3/0x1260 [ 160.575130][ T8249] sock_do_ioctl+0x477/0x700 [ 160.580027][ T8249] sock_ioctl+0x997/0xef0 [ 160.584908][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.589822][ T8249] ? sock_poll+0x690/0x690 [ 160.594799][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 160.599691][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 160.603343][ T8249] do_syscall_64+0x9f/0x140 [ 160.608230][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 160.614332][ T8249] RIP: 0033:0x440b69 [ 160.619208][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 160.638743][ T8249] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 160.647317][ T8249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 160.655950][ T8249] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 160.663275][ T8249] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 160.671830][ T8249] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000025d04 [ 160.679123][ T8249] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 160.687671][ T8249] [ 160.690116][ T8249] Uninit was stored to memory at: [ 160.694977][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 160.701068][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 160.707230][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 160.712111][ T8249] __msan_memcpy+0x46/0x60 [ 160.715789][ T8249] tun_get_link_ksettings+0x7c/0xb0 [ 160.721880][ T8249] __ethtool_get_link_ksettings+0x204/0x5a0 [ 160.726770][ T8249] linkmodes_prepare_data+0x244/0x650 [ 160.732891][ T8249] ethnl_default_notify+0x432/0x1030 [ 160.737812][ T8249] ethtool_notify+0x259/0x520 [ 160.742745][ T8249] dev_ethtool+0xe250/0xe7b0 [ 160.747693][ T8249] dev_ioctl+0x5a3/0x1260 [ 160.752572][ T8249] sock_do_ioctl+0x477/0x700 [ 160.756234][ T8249] sock_ioctl+0x997/0xef0 [ 160.761099][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 160.766038][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 160.769709][ T8249] do_syscall_64+0x9f/0x140 [ 160.774587][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 160.780690][ T8249] [ 160.783126][ T8249] Uninit was stored to memory at: [ 160.788015][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 160.794103][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 160.800199][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 160.805067][ T8249] __msan_memcpy+0x46/0x60 [ 160.809944][ T8249] tun_set_link_ksettings+0x7e/0xb0 [ 160.814864][ T8249] dev_ethtool+0xe1a2/0xe7b0 [ 160.819740][ T8249] dev_ioctl+0x5a3/0x1260 [ 160.823396][ T8249] sock_do_ioctl+0x477/0x700 [ 160.830710][ T8249] sock_ioctl+0x997/0xef0 [ 160.834372][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 160.839229][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 160.844109][ T8249] do_syscall_64+0x9f/0x140 [ 160.848992][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 160.855087][ T8249] [ 160.857538][ T8249] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 160.864856][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 160.869727][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 160.873391][ T8249] ===================================================== [ 160.881695][ T8249] ===================================================== [ 160.888676][ T8249] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x53e/0x5a0 [ 160.892666][ T8249] CPU: 0 PID: 8249 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 160.892666][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 160.892666][ T8249] Call Trace: [ 160.892666][ T8249] dump_stack+0x24c/0x2e0 [ 160.892666][ T8249] kmsan_report+0xfb/0x1e0 [ 160.892666][ T8249] __msan_warning+0x5c/0xa0 [ 160.892666][ T8249] __ethtool_get_link_ksettings+0x53e/0x5a0 [ 160.892666][ T8249] linkmodes_prepare_data+0x244/0x650 [ 160.892666][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.892666][ T8249] ? ethnl_set_linkinfo+0xe80/0xe80 [ 160.892666][ T8249] ethnl_default_notify+0x432/0x1030 [ 160.892666][ T8249] ethtool_notify+0x259/0x520 [ 160.971205][ T8249] dev_ethtool+0xe250/0xe7b0 [ 160.976136][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.981027][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.986029][ T8249] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 160.992133][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 160.998246][ T8249] dev_ioctl+0x5a3/0x1260 [ 161.001904][ T8249] sock_do_ioctl+0x477/0x700 [ 161.006803][ T8249] sock_ioctl+0x997/0xef0 [ 161.011681][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 161.016563][ T8249] ? sock_poll+0x690/0x690 [ 161.021428][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 161.026316][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 161.031170][ T8249] do_syscall_64+0x9f/0x140 [ 161.034863][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 161.040947][ T8249] RIP: 0033:0x440b69 [ 161.044611][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 161.065340][ T8249] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 161.074061][ T8249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 161.081371][ T8249] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 161.089896][ T8249] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 161.098530][ T8249] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000025d04 [ 161.105864][ T8249] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 161.114488][ T8249] [ 161.115713][ T8249] Uninit was stored to memory at: [ 161.121840][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 161.126781][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 161.132866][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 161.137770][ T8249] __msan_memcpy+0x46/0x60 [ 161.142766][ T8249] tun_get_link_ksettings+0x7c/0xb0 [ 161.147650][ T8249] __ethtool_get_link_ksettings+0x204/0x5a0 [ 161.153727][ T8249] linkmodes_prepare_data+0x244/0x650 [ 161.159970][ T8249] ethnl_default_notify+0x432/0x1030 [ 161.164906][ T8249] ethtool_notify+0x259/0x520 [ 161.169801][ T8249] dev_ethtool+0xe250/0xe7b0 [ 161.173563][ T8249] dev_ioctl+0x5a3/0x1260 [ 161.178449][ T8249] sock_do_ioctl+0x477/0x700 [ 161.183337][ T8249] sock_ioctl+0x997/0xef0 [ 161.186993][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 161.191868][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 161.196759][ T8249] do_syscall_64+0x9f/0x140 [ 161.201623][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 161.206513][ T8249] [ 161.208947][ T8249] Uninit was stored to memory at: [ 161.213823][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 161.219894][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 161.226047][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 161.231016][ T8249] __msan_memcpy+0x46/0x60 [ 161.236031][ T8249] tun_set_link_ksettings+0x7e/0xb0 [ 161.242174][ T8249] dev_ethtool+0xe1a2/0xe7b0 [ 161.247105][ T8249] dev_ioctl+0x5a3/0x1260 [ 161.250914][ T8249] sock_do_ioctl+0x477/0x700 [ 161.255763][ T8249] sock_ioctl+0x997/0xef0 [ 161.260665][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 161.264325][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 161.269215][ T8249] do_syscall_64+0x9f/0x140 [ 161.274093][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 161.280212][ T8249] [ 161.283947][ T8249] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 161.292430][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 161.296089][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 161.300974][ T8249] ===================================================== [ 161.308931][ T8249] ===================================================== [ 161.315932][ T8249] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x56b/0x5a0 [ 161.318757][ T8249] CPU: 0 PID: 8249 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 161.318757][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.318757][ T8249] Call Trace: [ 161.318757][ T8249] dump_stack+0x24c/0x2e0 [ 161.318757][ T8249] kmsan_report+0xfb/0x1e0 [ 161.318757][ T8249] __msan_warning+0x5c/0xa0 [ 161.318757][ T8249] __ethtool_get_link_ksettings+0x56b/0x5a0 [ 161.318757][ T8249] linkmodes_prepare_data+0x244/0x650 [ 161.318757][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 161.318757][ T8249] ? ethnl_set_linkinfo+0xe80/0xe80 [ 161.318757][ T8249] ethnl_default_notify+0x432/0x1030 [ 161.318757][ T8249] ethtool_notify+0x259/0x520 [ 161.318757][ T8249] dev_ethtool+0xe250/0xe7b0 [ 161.318757][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 161.318757][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 161.408935][ T8249] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 161.415129][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 161.420021][ T8249] dev_ioctl+0x5a3/0x1260 [ 161.424856][ T8249] sock_do_ioctl+0x477/0x700 [ 161.428538][ T8249] sock_ioctl+0x997/0xef0 [ 161.433435][ T8249] ? kmsan_get_metadata+0x116/0x180 [ 161.438320][ T8249] ? sock_poll+0x690/0x690 [ 161.443214][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 161.448108][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 161.451768][ T8249] do_syscall_64+0x9f/0x140 [ 161.456670][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 161.462782][ T8249] RIP: 0033:0x440b69 [ 161.466459][ T8249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 161.487399][ T8249] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 161.496003][ T8249] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 161.503319][ T8249] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 161.511873][ T8249] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 161.519326][ T8249] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000025d04 [ 161.527787][ T8249] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 161.536304][ T8249] [ 161.537529][ T8249] Uninit was stored to memory at: [ 161.543639][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 161.548570][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 161.554664][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 161.560796][ T8249] __msan_memcpy+0x46/0x60 [ 161.564478][ T8249] tun_get_link_ksettings+0x7c/0xb0 [ 161.570569][ T8249] __ethtool_get_link_ksettings+0x204/0x5a0 [ 161.576653][ T8249] linkmodes_prepare_data+0x244/0x650 [ 161.581513][ T8249] ethnl_default_notify+0x432/0x1030 [ 161.587627][ T8249] ethtool_notify+0x259/0x520 [ 161.591278][ T8249] dev_ethtool+0xe250/0xe7b0 [ 161.596164][ T8249] dev_ioctl+0x5a3/0x1260 [ 161.601041][ T8249] sock_do_ioctl+0x477/0x700 [ 161.605998][ T8249] sock_ioctl+0x997/0xef0 [ 161.610861][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 161.615792][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 161.620683][ T8249] do_syscall_64+0x9f/0x140 [ 161.624344][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 161.630601][ T8249] [ 161.633032][ T8249] Uninit was stored to memory at: [ 161.637906][ T8249] kmsan_internal_chain_origin+0xad/0x130 [ 161.644012][ T8249] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 161.650119][ T8249] kmsan_memcpy_metadata+0xb/0x10 [ 161.654985][ T8249] __msan_memcpy+0x46/0x60 [ 161.659850][ T8249] tun_set_link_ksettings+0x7e/0xb0 [ 161.666018][ T8249] dev_ethtool+0xe1a2/0xe7b0 [ 161.669691][ T8249] dev_ioctl+0x5a3/0x1260 [ 161.674632][ T8249] sock_do_ioctl+0x477/0x700 [ 161.679516][ T8249] sock_ioctl+0x997/0xef0 [ 161.683168][ T8249] __se_sys_ioctl+0x311/0x4d0 [ 161.689272][ T8249] __x64_sys_ioctl+0x4a/0x70 [ 161.695363][ T8249] do_syscall_64+0x9f/0x140 [ 161.700243][ T8249] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 161.706373][ T8249] executing program [ 161.708776][ T8249] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 161.716105][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 161.721041][ T8249] dev_ethtool+0x3cdc/0xe7b0 [ 161.726108][ T8249] ===================================================== [ 161.751890][ T8250] ===================================================== [ 161.752263][ T8250] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x503/0x5a0 [ 161.752263][ T8250] CPU: 0 PID: 8250 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 161.752263][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.752263][ T8250] Call Trace: [ 161.752263][ T8250] dump_stack+0x24c/0x2e0 [ 161.752263][ T8250] kmsan_report+0xfb/0x1e0 [ 161.800845][ T8250] __msan_warning+0x5c/0xa0 [ 161.800845][ T8250] __ethtool_get_link_ksettings+0x503/0x5a0 [ 161.800845][ T8250] linkinfo_prepare_data+0x1e8/0x4b0 [ 161.800845][ T8250] ? strset_cleanup_data+0x190/0x190 [ 161.800845][ T8250] ethnl_default_notify+0x432/0x1030 [ 161.800845][ T8250] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 161.800845][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 161.800845][ T8250] ethtool_notify+0x259/0x520 [ 161.800845][ T8250] dev_ethtool+0xe228/0xe7b0 [ 161.800845][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 161.800845][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 161.800845][ T8250] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 161.800845][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 161.800845][ T8250] dev_ioctl+0x5a3/0x1260 [ 161.800845][ T8250] sock_do_ioctl+0x477/0x700 [ 161.800845][ T8250] sock_ioctl+0x997/0xef0 [ 161.800845][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 161.800845][ T8250] ? sock_poll+0x690/0x690 [ 161.800845][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 161.800845][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 161.800845][ T8250] do_syscall_64+0x9f/0x140 [ 161.800845][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 161.800845][ T8250] RIP: 0033:0x440b69 [ 161.800845][ T8250] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 161.800845][ T8250] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 161.800845][ T8250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 161.800845][ T8250] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 161.800845][ T8250] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 161.800845][ T8250] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000026ab1 [ 161.800845][ T8250] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 161.800845][ T8250] [ 161.800845][ T8250] Uninit was stored to memory at: [ 161.800845][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 161.800845][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 161.800845][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 161.800845][ T8250] __msan_memcpy+0x46/0x60 [ 161.800845][ T8250] tun_get_link_ksettings+0x7c/0xb0 [ 161.800845][ T8250] __ethtool_get_link_ksettings+0x204/0x5a0 [ 161.800845][ T8250] linkinfo_prepare_data+0x1e8/0x4b0 [ 161.800845][ T8250] ethnl_default_notify+0x432/0x1030 [ 161.800845][ T8250] ethtool_notify+0x259/0x520 [ 161.800845][ T8250] dev_ethtool+0xe228/0xe7b0 [ 161.800845][ T8250] dev_ioctl+0x5a3/0x1260 [ 161.800845][ T8250] sock_do_ioctl+0x477/0x700 [ 161.800845][ T8250] sock_ioctl+0x997/0xef0 [ 161.800845][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 161.800845][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 161.800845][ T8250] do_syscall_64+0x9f/0x140 [ 161.800845][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 161.800845][ T8250] [ 161.800845][ T8250] Uninit was stored to memory at: [ 161.800845][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 161.800845][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 161.800845][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 161.800845][ T8250] __msan_memcpy+0x46/0x60 [ 161.800845][ T8250] tun_set_link_ksettings+0x7e/0xb0 [ 161.800845][ T8250] dev_ethtool+0xe1a2/0xe7b0 [ 161.800845][ T8250] dev_ioctl+0x5a3/0x1260 [ 161.800845][ T8250] sock_do_ioctl+0x477/0x700 [ 161.800845][ T8250] sock_ioctl+0x997/0xef0 [ 161.800845][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 161.800845][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 161.800845][ T8250] do_syscall_64+0x9f/0x140 [ 161.800845][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 161.800845][ T8250] [ 161.800845][ T8250] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 161.800845][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 161.800845][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 161.800845][ T8250] ===================================================== [ 162.180033][ T8250] ===================================================== [ 162.187261][ T8250] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x510/0x5a0 [ 162.189576][ T8250] CPU: 0 PID: 8250 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 162.189576][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.189576][ T8250] Call Trace: [ 162.189576][ T8250] dump_stack+0x24c/0x2e0 [ 162.189576][ T8250] kmsan_report+0xfb/0x1e0 [ 162.189576][ T8250] __msan_warning+0x5c/0xa0 [ 162.189576][ T8250] __ethtool_get_link_ksettings+0x510/0x5a0 [ 162.189576][ T8250] linkinfo_prepare_data+0x1e8/0x4b0 [ 162.189576][ T8250] ? strset_cleanup_data+0x190/0x190 [ 162.189576][ T8250] ethnl_default_notify+0x432/0x1030 [ 162.189576][ T8250] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 162.189576][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.189576][ T8250] ethtool_notify+0x259/0x520 [ 162.189576][ T8250] dev_ethtool+0xe228/0xe7b0 [ 162.189576][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.189576][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.286244][ T8250] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 162.292422][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.297315][ T8250] dev_ioctl+0x5a3/0x1260 [ 162.302290][ T8250] sock_do_ioctl+0x477/0x700 [ 162.307105][ T8250] sock_ioctl+0x997/0xef0 [ 162.311985][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.316873][ T8250] ? sock_poll+0x690/0x690 [ 162.321734][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 162.326621][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 162.330285][ T8250] do_syscall_64+0x9f/0x140 [ 162.335156][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 162.341231][ T8250] RIP: 0033:0x440b69 [ 162.346091][ T8250] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 162.369196][ T8250] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 162.377723][ T8250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 162.386293][ T8250] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 162.393645][ T8250] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 162.402319][ T8250] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000026ab1 [ 162.409643][ T8250] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 162.418218][ T8250] [ 162.421897][ T8250] Uninit was stored to memory at: [ 162.426787][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 162.432888][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 162.437852][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 162.443960][ T8250] __msan_memcpy+0x46/0x60 [ 162.447638][ T8250] tun_get_link_ksettings+0x7c/0xb0 [ 162.452664][ T8250] __ethtool_get_link_ksettings+0x204/0x5a0 [ 162.460093][ T8250] linkinfo_prepare_data+0x1e8/0x4b0 [ 162.464963][ T8250] ethnl_default_notify+0x432/0x1030 [ 162.471103][ T8250] ethtool_notify+0x259/0x520 [ 162.474862][ T8250] dev_ethtool+0xe228/0xe7b0 [ 162.479714][ T8250] dev_ioctl+0x5a3/0x1260 [ 162.484591][ T8250] sock_do_ioctl+0x477/0x700 [ 162.489485][ T8250] sock_ioctl+0x997/0xef0 [ 162.493167][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 162.498039][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 162.502903][ T8250] do_syscall_64+0x9f/0x140 [ 162.507787][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 162.513881][ T8250] [ 162.516362][ T8250] Uninit was stored to memory at: [ 162.521349][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 162.526220][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 162.532388][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 162.537291][ T8250] __msan_memcpy+0x46/0x60 [ 162.544598][ T8250] tun_set_link_ksettings+0x7e/0xb0 [ 162.550686][ T8250] dev_ethtool+0xe1a2/0xe7b0 [ 162.554350][ T8250] dev_ioctl+0x5a3/0x1260 [ 162.559230][ T8250] sock_do_ioctl+0x477/0x700 [ 162.564111][ T8250] sock_ioctl+0x997/0xef0 [ 162.567773][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 162.572660][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 162.577607][ T8250] do_syscall_64+0x9f/0x140 [ 162.582431][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 162.587354][ T8250] [ 162.589802][ T8250] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 162.598413][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 162.602076][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 162.606996][ T8250] ===================================================== [ 162.615017][ T8250] ===================================================== [ 162.622057][ T8250] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x53e/0x5a0 [ 162.624836][ T8250] CPU: 0 PID: 8250 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 162.624836][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.624836][ T8250] Call Trace: [ 162.624836][ T8250] dump_stack+0x24c/0x2e0 [ 162.624836][ T8250] kmsan_report+0xfb/0x1e0 [ 162.624836][ T8250] __msan_warning+0x5c/0xa0 [ 162.624836][ T8250] __ethtool_get_link_ksettings+0x53e/0x5a0 [ 162.624836][ T8250] linkinfo_prepare_data+0x1e8/0x4b0 [ 162.624836][ T8250] ? strset_cleanup_data+0x190/0x190 [ 162.624836][ T8250] ethnl_default_notify+0x432/0x1030 [ 162.624836][ T8250] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 162.624836][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.624836][ T8250] ethtool_notify+0x259/0x520 [ 162.705680][ T8250] dev_ethtool+0xe228/0xe7b0 [ 162.709771][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.715880][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.720779][ T8250] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 162.727157][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.733424][ T8250] dev_ioctl+0x5a3/0x1260 [ 162.737090][ T8250] sock_do_ioctl+0x477/0x700 [ 162.742000][ T8250] sock_ioctl+0x997/0xef0 [ 162.745706][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 162.751858][ T8250] ? sock_poll+0x690/0x690 [ 162.755556][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 162.760449][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 162.765369][ T8250] do_syscall_64+0x9f/0x140 [ 162.770256][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 162.776409][ T8250] RIP: 0033:0x440b69 [ 162.780266][ T8250] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 162.801131][ T8250] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 162.811061][ T8250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 162.819722][ T8250] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 162.827137][ T8250] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 162.835712][ T8250] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000026ab1 [ 162.844256][ T8250] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 162.851595][ T8250] [ 162.854050][ T8250] Uninit was stored to memory at: [ 162.858945][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 162.865056][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 162.871161][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 162.877316][ T8250] __msan_memcpy+0x46/0x60 [ 162.880996][ T8250] tun_get_link_ksettings+0x7c/0xb0 [ 162.885986][ T8250] __ethtool_get_link_ksettings+0x204/0x5a0 [ 162.892105][ T8250] linkinfo_prepare_data+0x1e8/0x4b0 [ 162.898279][ T8250] ethnl_default_notify+0x432/0x1030 [ 162.903182][ T8250] ethtool_notify+0x259/0x520 [ 162.908065][ T8250] dev_ethtool+0xe228/0xe7b0 [ 162.911768][ T8250] dev_ioctl+0x5a3/0x1260 [ 162.916704][ T8250] sock_do_ioctl+0x477/0x700 [ 162.921588][ T8250] sock_ioctl+0x997/0xef0 [ 162.925384][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 162.930200][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 162.935071][ T8250] do_syscall_64+0x9f/0x140 [ 162.939984][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 162.946090][ T8250] [ 162.947421][ T8250] Uninit was stored to memory at: [ 162.952438][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 162.958558][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 162.964649][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 162.969581][ T8250] __msan_memcpy+0x46/0x60 [ 162.974464][ T8250] tun_set_link_ksettings+0x7e/0xb0 [ 162.979340][ T8250] dev_ethtool+0xe1a2/0xe7b0 [ 162.984223][ T8250] dev_ioctl+0x5a3/0x1260 [ 162.987883][ T8250] sock_do_ioctl+0x477/0x700 [ 162.992786][ T8250] sock_ioctl+0x997/0xef0 [ 162.997724][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 163.001411][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 163.006309][ T8250] do_syscall_64+0x9f/0x140 [ 163.011198][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 163.017310][ T8250] [ 163.019763][ T8250] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 163.027183][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 163.032043][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 163.040590][ T8250] ===================================================== [ 163.047944][ T8250] ===================================================== [ 163.054964][ T8250] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x56b/0x5a0 [ 163.062495][ T8250] CPU: 0 PID: 8250 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 163.062495][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.062495][ T8250] Call Trace: [ 163.062495][ T8250] dump_stack+0x24c/0x2e0 [ 163.062495][ T8250] kmsan_report+0xfb/0x1e0 [ 163.062495][ T8250] __msan_warning+0x5c/0xa0 [ 163.062495][ T8250] __ethtool_get_link_ksettings+0x56b/0x5a0 [ 163.062495][ T8250] linkinfo_prepare_data+0x1e8/0x4b0 [ 163.062495][ T8250] ? strset_cleanup_data+0x190/0x190 [ 163.062495][ T8250] ethnl_default_notify+0x432/0x1030 [ 163.062495][ T8250] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 163.062495][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.062495][ T8250] ethtool_notify+0x259/0x520 [ 163.062495][ T8250] dev_ethtool+0xe228/0xe7b0 [ 163.062495][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.147859][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.152767][ T8250] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 163.158841][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.164926][ T8250] dev_ioctl+0x5a3/0x1260 [ 163.168593][ T8250] sock_do_ioctl+0x477/0x700 [ 163.173564][ T8250] sock_ioctl+0x997/0xef0 [ 163.177239][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.183349][ T8250] ? sock_poll+0x690/0x690 [ 163.187055][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 163.191938][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 163.196828][ T8250] do_syscall_64+0x9f/0x140 [ 163.201737][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 163.206615][ T8250] RIP: 0033:0x440b69 [ 163.211499][ T8250] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 163.230952][ T8250] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 163.240786][ T8250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 163.248117][ T8250] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 163.256667][ T8250] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 163.263984][ T8250] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000026ab1 [ 163.272620][ T8250] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 163.281318][ T8250] [ 163.283759][ T8250] Uninit was stored to memory at: [ 163.288642][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 163.294804][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 163.299786][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 163.304782][ T8250] __msan_memcpy+0x46/0x60 [ 163.309687][ T8250] tun_get_link_ksettings+0x7c/0xb0 [ 163.314642][ T8250] __ethtool_get_link_ksettings+0x204/0x5a0 [ 163.320868][ T8250] linkinfo_prepare_data+0x1e8/0x4b0 [ 163.326955][ T8250] ethnl_default_notify+0x432/0x1030 [ 163.331870][ T8250] ethtool_notify+0x259/0x520 [ 163.336739][ T8250] dev_ethtool+0xe228/0xe7b0 [ 163.341602][ T8250] dev_ioctl+0x5a3/0x1260 [ 163.345289][ T8250] sock_do_ioctl+0x477/0x700 [ 163.350190][ T8250] sock_ioctl+0x997/0xef0 [ 163.355092][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 163.360128][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 163.366316][ T8250] do_syscall_64+0x9f/0x140 [ 163.369990][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 163.376102][ T8250] [ 163.379776][ T8250] Uninit was stored to memory at: [ 163.384658][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 163.390770][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 163.396884][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 163.401747][ T8250] __msan_memcpy+0x46/0x60 [ 163.406644][ T8250] tun_set_link_ksettings+0x7e/0xb0 [ 163.411522][ T8250] dev_ethtool+0xe1a2/0xe7b0 [ 163.416427][ T8250] dev_ioctl+0x5a3/0x1260 [ 163.420083][ T8250] sock_do_ioctl+0x477/0x700 [ 163.426181][ T8250] sock_ioctl+0x997/0xef0 [ 163.429881][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 163.434835][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 163.439729][ T8250] do_syscall_64+0x9f/0x140 [ 163.444612][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 163.449986][ T8250] [ 163.452427][ T8250] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 163.459759][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 163.464693][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 163.469661][ T8250] ===================================================== [ 163.477927][ T8250] ===================================================== [ 163.484993][ T8250] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x503/0x5a0 [ 163.487528][ T8250] CPU: 0 PID: 8250 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 163.487528][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.487528][ T8250] Call Trace: [ 163.487528][ T8250] dump_stack+0x24c/0x2e0 [ 163.487528][ T8250] kmsan_report+0xfb/0x1e0 [ 163.487528][ T8250] __msan_warning+0x5c/0xa0 [ 163.487528][ T8250] __ethtool_get_link_ksettings+0x503/0x5a0 [ 163.487528][ T8250] linkmodes_prepare_data+0x244/0x650 [ 163.487528][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.487528][ T8250] ? ethnl_set_linkinfo+0xe80/0xe80 [ 163.487528][ T8250] ethnl_default_notify+0x432/0x1030 [ 163.487528][ T8250] ethtool_notify+0x259/0x520 [ 163.487528][ T8250] dev_ethtool+0xe250/0xe7b0 [ 163.487528][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.575065][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.579960][ T8250] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 163.586073][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.590938][ T8250] dev_ioctl+0x5a3/0x1260 [ 163.595830][ T8250] sock_do_ioctl+0x477/0x700 [ 163.599462][ T8250] sock_ioctl+0x997/0xef0 [ 163.606820][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.612907][ T8250] ? sock_poll+0x690/0x690 [ 163.616555][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 163.621423][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 163.626377][ T8250] do_syscall_64+0x9f/0x140 [ 163.631256][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 163.637307][ T8250] RIP: 0033:0x440b69 [ 163.640970][ T8250] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 163.660437][ T8250] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 163.668971][ T8250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 163.676271][ T8250] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 163.684872][ T8250] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 163.697194][ T8250] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000026ab1 [ 163.705760][ T8250] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 163.714302][ T8250] [ 163.716766][ T8250] Uninit was stored to memory at: [ 163.721634][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 163.726564][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 163.732725][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 163.738824][ T8250] __msan_memcpy+0x46/0x60 [ 163.742428][ T8250] tun_get_link_ksettings+0x7c/0xb0 [ 163.748539][ T8250] __ethtool_get_link_ksettings+0x204/0x5a0 [ 163.753427][ T8250] linkmodes_prepare_data+0x244/0x650 [ 163.759618][ T8250] ethnl_default_notify+0x432/0x1030 [ 163.764493][ T8250] ethtool_notify+0x259/0x520 [ 163.769373][ T8250] dev_ethtool+0xe250/0xe7b0 [ 163.774272][ T8250] dev_ioctl+0x5a3/0x1260 [ 163.779187][ T8250] sock_do_ioctl+0x477/0x700 [ 163.784119][ T8250] sock_ioctl+0x997/0xef0 [ 163.787795][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 163.792716][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 163.797632][ T8250] do_syscall_64+0x9f/0x140 [ 163.802595][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 163.808681][ T8250] [ 163.811112][ T8250] Uninit was stored to memory at: [ 163.816040][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 163.822138][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 163.828258][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 163.833135][ T8250] __msan_memcpy+0x46/0x60 [ 163.836791][ T8250] tun_set_link_ksettings+0x7e/0xb0 [ 163.842883][ T8250] dev_ethtool+0xe1a2/0xe7b0 [ 163.846555][ T8250] dev_ioctl+0x5a3/0x1260 [ 163.851425][ T8250] sock_do_ioctl+0x477/0x700 [ 163.856317][ T8250] sock_ioctl+0x997/0xef0 [ 163.859978][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 163.864860][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 163.869752][ T8250] do_syscall_64+0x9f/0x140 [ 163.874635][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 163.880742][ T8250] [ 163.883191][ T8250] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 163.890530][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 163.895400][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 163.899053][ T8250] ===================================================== [ 163.907516][ T8250] ===================================================== [ 163.914518][ T8250] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x510/0x5a0 [ 163.917373][ T8250] CPU: 0 PID: 8250 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 163.917373][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.917373][ T8250] Call Trace: [ 163.917373][ T8250] dump_stack+0x24c/0x2e0 [ 163.917373][ T8250] kmsan_report+0xfb/0x1e0 [ 163.917373][ T8250] __msan_warning+0x5c/0xa0 [ 163.917373][ T8250] __ethtool_get_link_ksettings+0x510/0x5a0 [ 163.917373][ T8250] linkmodes_prepare_data+0x244/0x650 [ 163.917373][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 163.917373][ T8250] ? ethnl_set_linkinfo+0xe80/0xe80 [ 163.917373][ T8250] ethnl_default_notify+0x432/0x1030 [ 163.917373][ T8250] ethtool_notify+0x259/0x520 [ 163.917373][ T8250] dev_ethtool+0xe250/0xe7b0 [ 163.998874][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.004940][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.009819][ T8250] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 164.016015][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.020888][ T8250] dev_ioctl+0x5a3/0x1260 [ 164.025792][ T8250] sock_do_ioctl+0x477/0x700 [ 164.030741][ T8250] sock_ioctl+0x997/0xef0 [ 164.034458][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.040580][ T8250] ? sock_poll+0x690/0x690 [ 164.044300][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 164.050400][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 164.054077][ T8250] do_syscall_64+0x9f/0x140 [ 164.058999][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 164.065171][ T8250] RIP: 0033:0x440b69 [ 164.068847][ T8250] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 164.088567][ T8250] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 164.097248][ T8250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 164.105835][ T8250] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 164.114395][ T8250] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 164.121747][ T8250] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000026ab1 [ 164.130530][ T8250] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 164.139089][ T8250] [ 164.141531][ T8250] Uninit was stored to memory at: [ 164.147647][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 164.152525][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 164.158651][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 164.163598][ T8250] __msan_memcpy+0x46/0x60 [ 164.168511][ T8250] tun_get_link_ksettings+0x7c/0xb0 [ 164.173401][ T8250] __ethtool_get_link_ksettings+0x204/0x5a0 [ 164.179507][ T8250] linkmodes_prepare_data+0x244/0x650 [ 164.184424][ T8250] ethnl_default_notify+0x432/0x1030 [ 164.190540][ T8250] ethtool_notify+0x259/0x520 [ 164.195426][ T8250] dev_ethtool+0xe250/0xe7b0 [ 164.199075][ T8250] dev_ioctl+0x5a3/0x1260 [ 164.203958][ T8250] sock_do_ioctl+0x477/0x700 [ 164.208837][ T8250] sock_ioctl+0x997/0xef0 [ 164.212477][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 164.217404][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 164.222331][ T8250] do_syscall_64+0x9f/0x140 [ 164.227229][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 164.233425][ T8250] [ 164.235853][ T8250] Uninit was stored to memory at: [ 164.240742][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 164.246839][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 164.252945][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 164.257836][ T8250] __msan_memcpy+0x46/0x60 [ 164.262724][ T8250] tun_set_link_ksettings+0x7e/0xb0 [ 164.267581][ T8250] dev_ethtool+0xe1a2/0xe7b0 [ 164.272425][ T8250] dev_ioctl+0x5a3/0x1260 [ 164.276092][ T8250] sock_do_ioctl+0x477/0x700 [ 164.280997][ T8250] sock_ioctl+0x997/0xef0 [ 164.286044][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 164.290906][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 164.294587][ T8250] do_syscall_64+0x9f/0x140 [ 164.299471][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 164.305563][ T8250] [ 164.307999][ T8250] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 164.315388][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 164.320284][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 164.325161][ T8250] ===================================================== [ 164.332916][ T8250] ===================================================== [ 164.340244][ T8250] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x53e/0x5a0 [ 164.342776][ T8250] CPU: 0 PID: 8250 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 164.342776][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.342776][ T8250] Call Trace: [ 164.342776][ T8250] dump_stack+0x24c/0x2e0 [ 164.342776][ T8250] kmsan_report+0xfb/0x1e0 [ 164.342776][ T8250] __msan_warning+0x5c/0xa0 [ 164.342776][ T8250] __ethtool_get_link_ksettings+0x53e/0x5a0 [ 164.342776][ T8250] linkmodes_prepare_data+0x244/0x650 [ 164.342776][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.342776][ T8250] ? ethnl_set_linkinfo+0xe80/0xe80 [ 164.342776][ T8250] ethnl_default_notify+0x432/0x1030 [ 164.342776][ T8250] ethtool_notify+0x259/0x520 [ 164.342776][ T8250] dev_ethtool+0xe250/0xe7b0 [ 164.342776][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.427175][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.432085][ T8250] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 164.438295][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.443173][ T8250] dev_ioctl+0x5a3/0x1260 [ 164.448071][ T8250] sock_do_ioctl+0x477/0x700 [ 164.451728][ T8250] sock_ioctl+0x997/0xef0 [ 164.456625][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.461499][ T8250] ? sock_poll+0x690/0x690 [ 164.466382][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 164.471262][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 164.474915][ T8250] do_syscall_64+0x9f/0x140 [ 164.479797][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 164.485967][ T8250] RIP: 0033:0x440b69 [ 164.489631][ T8250] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 164.510318][ T8250] RSP: 002b:00007ffd74d19ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 164.518882][ T8250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440b69 [ 164.526203][ T8250] RDX: 0000000020000040 RSI: 0000000000008946 RDI: 0000000000000003 [ 164.534807][ T8250] RBP: 0000000000000000 R08: 0000000000f0b5ff R09: 0000000000f0b5ff [ 164.542117][ T8250] R10: 00007ffd74d19760 R11: 0000000000000246 R12: 0000000000026ab1 [ 164.550692][ T8250] R13: 00007ffd74d19d10 R14: 00007ffd74d19d00 R15: 00007ffd74d19cf4 [ 164.559202][ T8250] [ 164.560500][ T8250] Uninit was stored to memory at: [ 164.566589][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 164.571492][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 164.577600][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 164.582474][ T8250] __msan_memcpy+0x46/0x60 [ 164.587437][ T8250] tun_get_link_ksettings+0x7c/0xb0 [ 164.592425][ T8250] __ethtool_get_link_ksettings+0x204/0x5a0 [ 164.598585][ T8250] linkmodes_prepare_data+0x244/0x650 [ 164.604781][ T8250] ethnl_default_notify+0x432/0x1030 [ 164.610875][ T8250] ethtool_notify+0x259/0x520 [ 164.615764][ T8250] dev_ethtool+0xe250/0xe7b0 [ 164.620658][ T8250] dev_ioctl+0x5a3/0x1260 [ 164.625559][ T8250] sock_do_ioctl+0x477/0x700 [ 164.630481][ T8250] sock_ioctl+0x997/0xef0 [ 164.634134][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 164.639017][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 164.643892][ T8250] do_syscall_64+0x9f/0x140 [ 164.648771][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 164.654874][ T8250] [ 164.657313][ T8250] Uninit was stored to memory at: [ 164.662205][ T8250] kmsan_internal_chain_origin+0xad/0x130 [ 164.668371][ T8250] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 164.674518][ T8250] kmsan_memcpy_metadata+0xb/0x10 [ 164.679418][ T8250] __msan_memcpy+0x46/0x60 [ 164.683112][ T8250] tun_set_link_ksettings+0x7e/0xb0 [ 164.689238][ T8250] dev_ethtool+0xe1a2/0xe7b0 [ 164.694136][ T8250] dev_ioctl+0x5a3/0x1260 [ 164.698516][ T8250] sock_do_ioctl+0x477/0x700 [ 164.702756][ T8250] sock_ioctl+0x997/0xef0 [ 164.707671][ T8250] __se_sys_ioctl+0x311/0x4d0 [ 164.712559][ T8250] __x64_sys_ioctl+0x4a/0x70 [ 164.716219][ T8250] do_syscall_64+0x9f/0x140 [ 164.721107][ T8250] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 164.727296][ T8250] [ 164.729719][ T8250] Local variable ----link_ksettings.i893@dev_ethtool created at: [ 164.737058][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 164.741937][ T8250] dev_ethtool+0x3cdc/0xe7b0 [ 164.746815][ T8250] ===================================================== [ 164.754426][ T8250] ===================================================== [ 164.761417][ T8250] BUG: KMSAN: uninit-value in __ethtool_get_link_ksettings+0x56b/0x5a0 [ 164.764286][ T8250] CPU: 0 PID: 8250 Comm: syz-executor484 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 164.764286][ T8250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.764286][ T8250] Call Trace: [ 164.764286][ T8250] dump_stack+0x24c/0x2e0 [ 164.764286][ T8250] kmsan_report+0xfb/0x1e0 [ 164.764286][ T8250] __msan_warning+0x5c/0xa0 [ 164.764286][ T8250] __ethtool_get_link_ksettings+0x56b/0x5a0 [ 164.764286][ T8250] linkmodes_prepare_data+0x244/0x650 [ 164.764286][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.764286][ T8250] ? ethnl_set_linkinfo+0xe80/0xe80 [ 164.764286][ T8250] ethnl_default_notify+0x432/0x1030 [ 164.764286][ T8250] ethtool_notify+0x259/0x520 [ 164.764286][ T8250] dev_ethtool+0xe250/0xe7b0 [ 164.764286][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.847443][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.853591][ T8250] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 164.858454][ T8250] ? kmsan_get_metadata+0x116/0x180 [ 164.864607][ T8250] dev_ioctl+0x5a3/0x1260 [ 164.868283][ T8250] sock_do_ioctl+0x477/0x700 [ 164.873175][ T8250] sock_ioctl+0x997/0xef0