Warning: Permanently added '10.128.0.141' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 72.703360][ T8488] ================================================================================ [ 72.713288][ T8488] UBSAN: shift-out-of-bounds in net/ethtool/strset.c:191:28 [ 72.721599][ T8488] shift exponent 3476603555 is too large for 32-bit type 'unsigned int' [ 72.730390][ T8488] CPU: 1 PID: 8488 Comm: syz-executor226 Not tainted 5.10.0-rc7-next-20201208-syzkaller #0 [ 72.740816][ T8488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.750863][ T8488] Call Trace: [ 72.754160][ T8488] dump_stack+0x107/0x163 [ 72.758482][ T8488] ubsan_epilogue+0xb/0x5a [ 72.762939][ T8488] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 72.769697][ T8488] ? __nla_parse+0x3d/0x50 [ 72.774107][ T8488] strset_parse_request.cold+0x3b/0x40 [ 72.779558][ T8488] ? strset_reply_size+0x280/0x280 [ 72.784656][ T8488] ? strset_reply_size+0x280/0x280 [ 72.789756][ T8488] ethnl_default_parse+0xda/0x130 [ 72.794776][ T8488] ? ____kasan_kmalloc.constprop.0+0xa0/0xd0 [ 72.800772][ T8488] ethnl_default_start+0x21c/0x570 [ 72.805898][ T8488] ? ____kasan_kmalloc.constprop.0+0xa0/0xd0 [ 72.811894][ T8488] ? ethnl_default_parse+0x130/0x130 [ 72.817167][ T8488] genl_start+0x3cc/0x670 [ 72.821492][ T8488] __netlink_dump_start+0x5a7/0x920 [ 72.826683][ T8488] ? genl_family_rcv_msg_doit+0x320/0x320 [ 72.832392][ T8488] ? ethnl_fill_reply_header.part.0+0x370/0x370 [ 72.841053][ T8488] genl_family_rcv_msg_dumpit+0x1c9/0x310 [ 72.846767][ T8488] ? genl_rcv+0x40/0x40 [ 72.850921][ T8488] ? __lock_acquire+0x16c2/0x54b0 [ 72.855957][ T8488] ? genl_family_rcv_msg_doit+0x320/0x320 [ 72.861665][ T8488] ? ethnl_fill_reply_header.part.0+0x370/0x370 [ 72.867895][ T8488] ? genl_family_rcv_msg_dumpit+0x310/0x310 [ 72.873804][ T8488] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.880036][ T8488] ? __radix_tree_lookup+0x211/0x2a0 [ 72.885310][ T8488] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 72.891545][ T8488] ? genl_get_cmd+0x3cf/0x480 [ 72.896218][ T8488] genl_rcv_msg+0x43c/0x590 [ 72.900804][ T8488] ? genl_get_cmd+0x480/0x480 [ 72.905492][ T8488] ? ethnl_reply_init+0x1f0/0x1f0 [ 72.910500][ T8488] ? ethnl_default_parse+0x130/0x130 [ 72.915775][ T8488] ? ethnl_fill_reply_header.part.0+0x370/0x370 [ 72.922004][ T8488] ? __ethtool_get_ts_info+0x240/0x240 [ 72.927464][ T8488] ? lock_release+0x710/0x710 [ 72.932135][ T8488] netlink_rcv_skb+0x153/0x420 [ 72.936889][ T8488] ? genl_get_cmd+0x480/0x480 [ 72.941556][ T8488] ? netlink_ack+0xab0/0xab0 [ 72.946145][ T8488] genl_rcv+0x24/0x40 [ 72.950114][ T8488] netlink_unicast+0x533/0x7d0 [ 72.954875][ T8488] ? netlink_attachskb+0x870/0x870 [ 72.959976][ T8488] ? _copy_from_iter_full+0x275/0x850 [ 72.965368][ T8488] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 72.971596][ T8488] ? __phys_addr_symbol+0x2c/0x70 [ 72.976607][ T8488] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 72.982334][ T8488] ? __check_object_size+0x171/0x3f0 [ 72.987635][ T8488] netlink_sendmsg+0x907/0xe40 [ 72.992398][ T8488] ? netlink_unicast+0x7d0/0x7d0 [ 72.997353][ T8488] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.003609][ T8488] ? netlink_unicast+0x7d0/0x7d0 [ 73.008542][ T8488] sock_sendmsg+0xcf/0x120 [ 73.012953][ T8488] ____sys_sendmsg+0x6e8/0x810 [ 73.017711][ T8488] ? kernel_sendmsg+0x50/0x50 [ 73.022374][ T8488] ? do_recvmmsg+0x6c0/0x6c0 [ 73.026956][ T8488] ? stack_trace_save+0x8c/0xc0 [ 73.031803][ T8488] ? stack_trace_consume_entry+0x160/0x160 [ 73.037606][ T8488] ___sys_sendmsg+0xf3/0x170 [ 73.042209][ T8488] ? sendmsg_copy_msghdr+0x160/0x160 [ 73.047482][ T8488] ? task_work_run+0xdd/0x190 [ 73.052150][ T8488] ? syscall_exit_to_user_mode+0x19/0x50 [ 73.057776][ T8488] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.063837][ T8488] ? debug_object_active_state+0x260/0x350 [ 73.069658][ T8488] ? lock_downgrade+0x6d0/0x6d0 [ 73.074531][ T8488] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 73.080338][ T8488] ? lockdep_hardirqs_on+0x79/0x100 [ 73.085527][ T8488] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 73.091344][ T8488] ? debug_object_active_state+0x260/0x350 [ 73.097145][ T8488] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.103370][ T8488] ? __fget_light+0x215/0x280 [ 73.108042][ T8488] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.114311][ T8488] __sys_sendmsg+0xe5/0x1b0 [ 73.118828][ T8488] ? __sys_sendmsg_sock+0xb0/0xb0 [ 73.123873][ T8488] ? syscall_enter_from_user_mode+0x1d/0x50 [ 73.129764][ T8488] do_syscall_64+0x2d/0x70 [ 73.134171][ T8488] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.140067][ T8488] RIP: 0033:0x4409d9 [ 73.143952][ T8488] 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 5b 11 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.163666][ T8488] RSP: 002b:00007ffc89faeb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.172079][ T8488] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004409d9 [ 73.180045][ T8488] RDX: 0000000000000000 RSI: 0000000020000fc0 RDI: 0000000000000003 [ 73.188007][ T8488] RBP: 00000000006ca018 R08: 000000000000000c R09: 00000000004002c8 [ 73.196000][ T8488] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000401fc0 [ 73.203965][ T8488] R13: 0000000000402050 R14: 0000000000000000 R15: 0000000000000000 [ 73.213634][ T8488] ================================================================================ [ 73.223023][ T8488] Kernel panic - not syncing: panic_on_warn set ... [ 73.229613][ T8488] CPU: 1 PID: 8488 Comm: syz-executor226 Not tainted 5.10.0-rc7-next-20201208-syzkaller #0 [ 73.239599][ T8488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.249650][ T8488] Call Trace: [ 73.252948][ T8488] dump_stack+0x107/0x163 [ 73.257282][ T8488] panic+0x343/0x77f [ 73.261706][ T8488] ? __warn_printk+0xf3/0xf3 [ 73.266305][ T8488] ? ubsan_epilogue+0x3e/0x5a [ 73.270986][ T8488] ubsan_epilogue+0x54/0x5a [ 73.275507][ T8488] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 73.282283][ T8488] ? __nla_parse+0x3d/0x50 [ 73.286704][ T8488] strset_parse_request.cold+0x3b/0x40 [ 73.292167][ T8488] ? strset_reply_size+0x280/0x280 [ 73.297284][ T8488] ? strset_reply_size+0x280/0x280 [ 73.302404][ T8488] ethnl_default_parse+0xda/0x130 [ 73.307655][ T8488] ? ____kasan_kmalloc.constprop.0+0xa0/0xd0 [ 73.313637][ T8488] ethnl_default_start+0x21c/0x570 [ 73.318757][ T8488] ? ____kasan_kmalloc.constprop.0+0xa0/0xd0 [ 73.324738][ T8488] ? ethnl_default_parse+0x130/0x130 [ 73.330024][ T8488] genl_start+0x3cc/0x670 [ 73.334363][ T8488] __netlink_dump_start+0x5a7/0x920 [ 73.339569][ T8488] ? genl_family_rcv_msg_doit+0x320/0x320 [ 73.345295][ T8488] ? ethnl_fill_reply_header.part.0+0x370/0x370 [ 73.351535][ T8488] genl_family_rcv_msg_dumpit+0x1c9/0x310 [ 73.357262][ T8488] ? genl_rcv+0x40/0x40 [ 73.361419][ T8488] ? __lock_acquire+0x16c2/0x54b0 [ 73.366444][ T8488] ? genl_family_rcv_msg_doit+0x320/0x320 [ 73.372183][ T8488] ? ethnl_fill_reply_header.part.0+0x370/0x370 [ 73.378422][ T8488] ? genl_family_rcv_msg_dumpit+0x310/0x310 [ 73.384320][ T8488] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 73.390563][ T8488] ? __radix_tree_lookup+0x211/0x2a0 [ 73.395845][ T8488] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.402089][ T8488] ? genl_get_cmd+0x3cf/0x480 [ 73.406769][ T8488] genl_rcv_msg+0x43c/0x590 [ 73.411283][ T8488] ? genl_get_cmd+0x480/0x480 [ 73.415969][ T8488] ? ethnl_reply_init+0x1f0/0x1f0 [ 73.420992][ T8488] ? ethnl_default_parse+0x130/0x130 [ 73.426285][ T8488] ? ethnl_fill_reply_header.part.0+0x370/0x370 [ 73.432526][ T8488] ? __ethtool_get_ts_info+0x240/0x240 [ 73.437989][ T8488] ? lock_release+0x710/0x710 [ 73.442677][ T8488] netlink_rcv_skb+0x153/0x420 [ 73.447442][ T8488] ? genl_get_cmd+0x480/0x480 [ 73.452120][ T8488] ? netlink_ack+0xab0/0xab0 [ 73.456724][ T8488] genl_rcv+0x24/0x40 [ 73.460709][ T8488] netlink_unicast+0x533/0x7d0 [ 73.465479][ T8488] ? netlink_attachskb+0x870/0x870 [ 73.470607][ T8488] ? _copy_from_iter_full+0x275/0x850 [ 73.475976][ T8488] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.482308][ T8488] ? __phys_addr_symbol+0x2c/0x70 [ 73.487333][ T8488] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 73.493049][ T8488] ? __check_object_size+0x171/0x3f0 [ 73.498339][ T8488] netlink_sendmsg+0x907/0xe40 [ 73.503128][ T8488] ? netlink_unicast+0x7d0/0x7d0 [ 73.508071][ T8488] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.514315][ T8488] ? netlink_unicast+0x7d0/0x7d0 [ 73.519278][ T8488] sock_sendmsg+0xcf/0x120 [ 73.523698][ T8488] ____sys_sendmsg+0x6e8/0x810 [ 73.528463][ T8488] ? kernel_sendmsg+0x50/0x50 [ 73.533140][ T8488] ? do_recvmmsg+0x6c0/0x6c0 [ 73.537732][ T8488] ? stack_trace_save+0x8c/0xc0 [ 73.542595][ T8488] ? stack_trace_consume_entry+0x160/0x160 [ 73.548412][ T8488] ___sys_sendmsg+0xf3/0x170 [ 73.553030][ T8488] ? sendmsg_copy_msghdr+0x160/0x160 [ 73.558332][ T8488] ? task_work_run+0xdd/0x190 [ 73.563006][ T8488] ? syscall_exit_to_user_mode+0x19/0x50 [ 73.568639][ T8488] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.574714][ T8488] ? debug_object_active_state+0x260/0x350 [ 73.580530][ T8488] ? lock_downgrade+0x6d0/0x6d0 [ 73.585407][ T8488] ? _raw_spin_unlock_irqrestore+0x42/0x50 [ 73.591215][ T8488] ? lockdep_hardirqs_on+0x79/0x100 [ 73.596425][ T8488] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 73.602239][ T8488] ? debug_object_active_state+0x260/0x350 [ 73.608051][ T8488] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.614290][ T8488] ? __fget_light+0x215/0x280 [ 73.618969][ T8488] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.625215][ T8488] __sys_sendmsg+0xe5/0x1b0 [ 73.629838][ T8488] ? __sys_sendmsg_sock+0xb0/0xb0 [ 73.634885][ T8488] ? syscall_enter_from_user_mode+0x1d/0x50 [ 73.640796][ T8488] do_syscall_64+0x2d/0x70 [ 73.645221][ T8488] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.651118][ T8488] RIP: 0033:0x4409d9 [ 73.655015][ T8488] 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 5b 11 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.674620][ T8488] RSP: 002b:00007ffc89faeb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.683032][ T8488] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004409d9 [ 73.691000][ T8488] RDX: 0000000000000000 RSI: 0000000020000fc0 RDI: 0000000000000003 [ 73.698973][ T8488] RBP: 00000000006ca018 R08: 000000000000000c R09: 00000000004002c8 [ 73.706942][ T8488] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000401fc0 [ 73.714910][ T8488] R13: 0000000000402050 R14: 0000000000000000 R15: 0000000000000000 [ 73.723660][ T8488] Kernel Offset: disabled [ 73.728068][ T8488] Rebooting in 86400 seconds..