Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. executing program [ 125.017375][T11554] IPVS: ftp: loaded support on port[0] = 21 [ 125.081637][T11554] ===================================================== [ 125.088813][T11554] BUG: KMSAN: uninit-value in ethnl_update_bitset32+0x2c85/0x3860 [ 125.097388][T11554] CPU: 1 PID: 11554 Comm: syz-executor592 Not tainted 5.6.0-rc2-syzkaller #0 [ 125.106122][T11554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.116695][T11554] Call Trace: [ 125.120031][T11554] dump_stack+0x1c9/0x220 [ 125.124374][T11554] kmsan_report+0xf7/0x1e0 [ 125.128782][T11554] __msan_warning+0x58/0xa0 [ 125.133270][T11554] ethnl_update_bitset32+0x2c85/0x3860 [ 125.138719][T11554] ? kmsan_get_metadata+0x11d/0x180 [ 125.143927][T11554] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 125.150064][T11554] ? kmsan_memcpy_metadata+0xb/0x10 [ 125.155257][T11554] ? __msan_memcpy+0x43/0x50 [ 125.159916][T11554] ethnl_update_bitset+0x11c/0x130 [ 125.165016][T11554] ethnl_set_linkmodes+0x9f9/0x1430 [ 125.170224][T11554] ? kmsan_get_metadata+0x11d/0x180 [ 125.175402][T11554] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 125.181187][T11554] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 125.186537][T11554] genl_rcv_msg+0x205e/0x2460 [ 125.191221][T11554] netlink_rcv_skb+0x451/0x650 [ 125.195978][T11554] ? genl_unbind+0x380/0x380 [ 125.200606][T11554] genl_rcv+0x63/0x80 [ 125.204582][T11554] netlink_unicast+0xf9e/0x1100 [ 125.209420][T11554] ? genl_pernet_exit+0x90/0x90 [ 125.214268][T11554] netlink_sendmsg+0x1246/0x14d0 [ 125.219217][T11554] ? netlink_getsockopt+0x1440/0x1440 [ 125.224567][T11554] ____sys_sendmsg+0x12b6/0x1350 [ 125.229496][T11554] __sys_sendmsg+0x451/0x5f0 [ 125.234079][T11554] ? __fpregs_load_activate+0x38c/0x3c0 [ 125.239628][T11554] ? kmsan_get_metadata+0x11d/0x180 [ 125.244839][T11554] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 125.250718][T11554] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 125.256778][T11554] ? prepare_exit_to_usermode+0x1ca/0x520 [ 125.262492][T11554] __se_sys_sendmsg+0x97/0xb0 [ 125.267333][T11554] __x64_sys_sendmsg+0x4a/0x70 [ 125.272089][T11554] do_syscall_64+0xb8/0x160 [ 125.276576][T11554] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 125.282468][T11554] RIP: 0033:0x445239 [ 125.286346][T11554] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b d2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 125.305941][T11554] RSP: 002b:00007ffd2adf9d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.314328][T11554] RAX: ffffffffffffffda RBX: 00007ffd2adf9d70 RCX: 0000000000445239 [ 125.322462][T11554] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 125.330409][T11554] RBP: 0000000000000003 R08: 0000000000000000 R09: 00000000bb1414ac [ 125.338371][T11554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 125.346503][T11554] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 125.354467][T11554] [ 125.356777][T11554] Uninit was created at: [ 125.361079][T11554] kmsan_internal_poison_shadow+0x66/0xd0 [ 125.366804][T11554] kmsan_slab_alloc+0x8a/0xe0 [ 125.371484][T11554] __kmalloc_node_track_caller+0xb40/0x1200 [ 125.377376][T11554] __alloc_skb+0x2fd/0xac0 [ 125.381792][T11554] netlink_sendmsg+0x7d3/0x14d0 [ 125.386700][T11554] ____sys_sendmsg+0x12b6/0x1350 [ 125.391615][T11554] __sys_sendmsg+0x451/0x5f0 [ 125.396370][T11554] __se_sys_sendmsg+0x97/0xb0 [ 125.401206][T11554] __x64_sys_sendmsg+0x4a/0x70 [ 125.405956][T11554] do_syscall_64+0xb8/0x160 [ 125.410510][T11554] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 125.416510][T11554] ===================================================== [ 125.423425][T11554] Disabling lock debugging due to kernel taint [ 125.429560][T11554] Kernel panic - not syncing: panic_on_warn set ... [ 125.436132][T11554] CPU: 1 PID: 11554 Comm: syz-executor592 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 125.446252][T11554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.456288][T11554] Call Trace: [ 125.459567][T11554] dump_stack+0x1c9/0x220 [ 125.463884][T11554] panic+0x3d5/0xc3e [ 125.467778][T11554] kmsan_report+0x1df/0x1e0 [ 125.472274][T11554] __msan_warning+0x58/0xa0 [ 125.476760][T11554] ethnl_update_bitset32+0x2c85/0x3860 [ 125.482224][T11554] ? kmsan_get_metadata+0x11d/0x180 [ 125.487435][T11554] ? kmsan_memcpy_memmove_metadata+0x10c/0x2e0 [ 125.493589][T11554] ? kmsan_memcpy_metadata+0xb/0x10 [ 125.498779][T11554] ? __msan_memcpy+0x43/0x50 [ 125.503403][T11554] ethnl_update_bitset+0x11c/0x130 [ 125.508520][T11554] ethnl_set_linkmodes+0x9f9/0x1430 [ 125.513728][T11554] ? kmsan_get_metadata+0x11d/0x180 [ 125.518923][T11554] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 125.524723][T11554] ? linkmodes_fill_reply+0x5c0/0x5c0 [ 125.530103][T11554] genl_rcv_msg+0x205e/0x2460 [ 125.534792][T11554] netlink_rcv_skb+0x451/0x650 [ 125.539568][T11554] ? genl_unbind+0x380/0x380 [ 125.544270][T11554] genl_rcv+0x63/0x80 [ 125.548247][T11554] netlink_unicast+0xf9e/0x1100 [ 125.553269][T11554] ? genl_pernet_exit+0x90/0x90 [ 125.558418][T11554] netlink_sendmsg+0x1246/0x14d0 [ 125.563371][T11554] ? netlink_getsockopt+0x1440/0x1440 [ 125.568749][T11554] ____sys_sendmsg+0x12b6/0x1350 [ 125.574407][T11554] __sys_sendmsg+0x451/0x5f0 [ 125.579055][T11554] ? __fpregs_load_activate+0x38c/0x3c0 [ 125.584628][T11554] ? kmsan_get_metadata+0x11d/0x180 [ 125.589833][T11554] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 125.595658][T11554] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 125.602031][T11554] ? prepare_exit_to_usermode+0x1ca/0x520 [ 125.607772][T11554] __se_sys_sendmsg+0x97/0xb0 [ 125.612454][T11554] __x64_sys_sendmsg+0x4a/0x70 [ 125.617217][T11554] do_syscall_64+0xb8/0x160 [ 125.621732][T11554] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 125.627616][T11554] RIP: 0033:0x445239 [ 125.635496][T11554] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b d2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 125.655894][T11554] RSP: 002b:00007ffd2adf9d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.664412][T11554] RAX: ffffffffffffffda RBX: 00007ffd2adf9d70 RCX: 0000000000445239 [ 125.672383][T11554] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 125.680349][T11554] RBP: 0000000000000003 R08: 0000000000000000 R09: 00000000bb1414ac [ 125.689034][T11554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 125.697150][T11554] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 125.706533][T11554] Kernel Offset: 0x2a000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 125.719059][T11554] Rebooting in 86400 seconds..