Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 73.593385][ T8516] ================================================================================ [ 73.603222][ T8516] UBSAN: shift-out-of-bounds in net/sched/cls_tcindex.c:260:29 [ 73.611957][ T8516] shift exponent 255 is too large for 32-bit type 'int' [ 73.619078][ T8516] CPU: 0 PID: 8516 Comm: syz-executor228 Not tainted 5.10.0-syzkaller #0 [ 73.627632][ T8516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.637693][ T8516] Call Trace: [ 73.641017][ T8516] dump_stack+0x107/0x163 [ 73.645358][ T8516] ubsan_epilogue+0xb/0x5a [ 73.649784][ T8516] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 73.656608][ T8516] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 73.662539][ T8516] tcindex_set_parms.cold+0x1b/0x215 [ 73.667964][ T8516] ? tcindex_alloc_perfect_hash+0x440/0x440 [ 73.673879][ T8516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.680216][ T8516] ? __nla_validate_parse+0x2d3/0x2ae0 [ 73.685784][ T8516] ? find_held_lock+0x2d/0x110 [ 73.690580][ T8516] ? tcindex_change+0x1d7/0x340 [ 73.695434][ T8516] tcindex_change+0x232/0x340 [ 73.700326][ T8516] ? tcindex_set_parms+0x2420/0x2420 [ 73.705770][ T8516] tc_new_tfilter+0x13fb/0x21b0 [ 73.710631][ T8516] ? tcindex_set_parms+0x2420/0x2420 [ 73.716027][ T8516] ? tc_del_tfilter+0x15f0/0x15f0 [ 73.721156][ T8516] ? lock_chain_count+0x20/0x20 [ 73.726082][ T8516] ? kernel_text_address+0xbd/0xf0 [ 73.731218][ T8516] ? tc_del_tfilter+0x15f0/0x15f0 [ 73.736241][ T8516] rtnetlink_rcv_msg+0x8b6/0xb80 [ 73.741382][ T8516] ? rtnl_fdb_dump+0xa00/0xa00 [ 73.746248][ T8516] netlink_rcv_skb+0x153/0x420 [ 73.751011][ T8516] ? rtnl_fdb_dump+0xa00/0xa00 [ 73.755771][ T8516] ? netlink_ack+0xab0/0xab0 [ 73.760357][ T8516] ? netlink_deliver_tap+0x2c4/0xc00 [ 73.765653][ T8516] netlink_unicast+0x533/0x7d0 [ 73.770417][ T8516] ? netlink_attachskb+0x870/0x870 [ 73.775531][ T8516] ? __phys_addr_symbol+0x2c/0x70 [ 73.780659][ T8516] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 73.786536][ T8516] ? __check_object_size+0x171/0x3f0 [ 73.791921][ T8516] netlink_sendmsg+0x907/0xe40 [ 73.796895][ T8516] ? netlink_unicast+0x7d0/0x7d0 [ 73.801995][ T8516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.808232][ T8516] ? netlink_unicast+0x7d0/0x7d0 [ 73.813312][ T8516] sock_sendmsg+0xcf/0x120 [ 73.817734][ T8516] ____sys_sendmsg+0x6e8/0x810 [ 73.822504][ T8516] ? kernel_sendmsg+0x50/0x50 [ 73.827172][ T8516] ? do_recvmmsg+0x6c0/0x6c0 [ 73.831956][ T8516] ? fs_reclaim_release+0x9c/0xe0 [ 73.836992][ T8516] ___sys_sendmsg+0xf3/0x170 [ 73.841593][ T8516] ? sendmsg_copy_msghdr+0x160/0x160 [ 73.846878][ T8516] ? lockdep_init_map_waits+0x26a/0x720 [ 73.852491][ T8516] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 73.858474][ T8516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.864714][ T8516] ? percpu_counter_add_batch+0xbd/0x180 [ 73.870434][ T8516] ? find_held_lock+0x2d/0x110 [ 73.875272][ T8516] ? fd_install+0x250/0x6e0 [ 73.879772][ T8516] ? lock_downgrade+0x6d0/0x6d0 [ 73.884686][ T8516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 73.890936][ T8516] ? __fget_light+0x215/0x280 [ 73.895621][ T8516] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 73.901955][ T8516] __sys_sendmsg+0xe5/0x1b0 [ 73.906463][ T8516] ? __sys_sendmsg_sock+0xb0/0xb0 [ 73.911499][ T8516] ? syscall_enter_from_user_mode+0x1d/0x50 [ 73.917394][ T8516] do_syscall_64+0x2d/0x70 [ 73.921863][ T8516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 73.927795][ T8516] RIP: 0033:0x441659 [ 73.931690][ T8516] Code: e8 3c ad 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 1b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.951292][ T8516] RSP: 002b:00007ffcb9470898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.959705][ T8516] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441659 [ 73.967832][ T8516] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000006 [ 73.975812][ T8516] RBP: 00000000006cc018 R08: 00000000004002c8 R09: 00000000004002c8 [ 73.983784][ T8516] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402400 [ 73.991752][ T8516] R13: 0000000000402490 R14: 0000000000000000 R15: 0000000000000000 [ 74.001580][ T8516] ================================================================================ [ 74.011086][ T8516] Kernel panic - not syncing: panic_on_warn set ... [ 74.017833][ T8516] CPU: 0 PID: 8516 Comm: syz-executor228 Not tainted 5.10.0-syzkaller #0 [ 74.026410][ T8516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.036740][ T8516] Call Trace: [ 74.040047][ T8516] dump_stack+0x107/0x163 [ 74.044567][ T8516] panic+0x343/0x77f [ 74.048658][ T8516] ? __warn_printk+0xf3/0xf3 [ 74.053381][ T8516] ? ubsan_epilogue+0x3e/0x5a [ 74.058068][ T8516] ubsan_epilogue+0x54/0x5a [ 74.062588][ T8516] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 74.069655][ T8516] ? __kasan_kmalloc.constprop.0+0xc2/0xd0 [ 74.075578][ T8516] tcindex_set_parms.cold+0x1b/0x215 [ 74.081029][ T8516] ? tcindex_alloc_perfect_hash+0x440/0x440 [ 74.087058][ T8516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.093388][ T8516] ? __nla_validate_parse+0x2d3/0x2ae0 [ 74.098864][ T8516] ? find_held_lock+0x2d/0x110 [ 74.103669][ T8516] ? tcindex_change+0x1d7/0x340 [ 74.108520][ T8516] tcindex_change+0x232/0x340 [ 74.113202][ T8516] ? tcindex_set_parms+0x2420/0x2420 [ 74.118512][ T8516] tc_new_tfilter+0x13fb/0x21b0 [ 74.123412][ T8516] ? tcindex_set_parms+0x2420/0x2420 [ 74.128804][ T8516] ? tc_del_tfilter+0x15f0/0x15f0 [ 74.134038][ T8516] ? lock_chain_count+0x20/0x20 [ 74.138994][ T8516] ? kernel_text_address+0xbd/0xf0 [ 74.144253][ T8516] ? tc_del_tfilter+0x15f0/0x15f0 [ 74.149282][ T8516] rtnetlink_rcv_msg+0x8b6/0xb80 [ 74.154225][ T8516] ? rtnl_fdb_dump+0xa00/0xa00 [ 74.159001][ T8516] netlink_rcv_skb+0x153/0x420 [ 74.163764][ T8516] ? rtnl_fdb_dump+0xa00/0xa00 [ 74.168706][ T8516] ? netlink_ack+0xab0/0xab0 [ 74.173308][ T8516] ? netlink_deliver_tap+0x2c4/0xc00 [ 74.178697][ T8516] netlink_unicast+0x533/0x7d0 [ 74.183467][ T8516] ? netlink_attachskb+0x870/0x870 [ 74.188582][ T8516] ? __phys_addr_symbol+0x2c/0x70 [ 74.193616][ T8516] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 74.199342][ T8516] ? __check_object_size+0x171/0x3f0 [ 74.204630][ T8516] netlink_sendmsg+0x907/0xe40 [ 74.209401][ T8516] ? netlink_unicast+0x7d0/0x7d0 [ 74.214439][ T8516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.220861][ T8516] ? netlink_unicast+0x7d0/0x7d0 [ 74.225974][ T8516] sock_sendmsg+0xcf/0x120 [ 74.230399][ T8516] ____sys_sendmsg+0x6e8/0x810 [ 74.235302][ T8516] ? kernel_sendmsg+0x50/0x50 [ 74.239980][ T8516] ? do_recvmmsg+0x6c0/0x6c0 [ 74.244569][ T8516] ? fs_reclaim_release+0x9c/0xe0 [ 74.249594][ T8516] ___sys_sendmsg+0xf3/0x170 [ 74.254179][ T8516] ? sendmsg_copy_msghdr+0x160/0x160 [ 74.259580][ T8516] ? lockdep_init_map_waits+0x26a/0x720 [ 74.265130][ T8516] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 74.271111][ T8516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.277345][ T8516] ? percpu_counter_add_batch+0xbd/0x180 [ 74.283031][ T8516] ? find_held_lock+0x2d/0x110 [ 74.287806][ T8516] ? fd_install+0x250/0x6e0 [ 74.292447][ T8516] ? lock_downgrade+0x6d0/0x6d0 [ 74.297303][ T8516] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 74.303683][ T8516] ? __fget_light+0x215/0x280 [ 74.308368][ T8516] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.314705][ T8516] __sys_sendmsg+0xe5/0x1b0 [ 74.319228][ T8516] ? __sys_sendmsg_sock+0xb0/0xb0 [ 74.324334][ T8516] ? syscall_enter_from_user_mode+0x1d/0x50 [ 74.330745][ T8516] do_syscall_64+0x2d/0x70 [ 74.335175][ T8516] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 74.341261][ T8516] RIP: 0033:0x441659 [ 74.345158][ T8516] Code: e8 3c ad 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 1b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.365013][ T8516] RSP: 002b:00007ffcb9470898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 74.373433][ T8516] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441659 [ 74.381527][ T8516] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000006 [ 74.389513][ T8516] RBP: 00000000006cc018 R08: 00000000004002c8 R09: 00000000004002c8 [ 74.397483][ T8516] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402400 [ 74.405686][ T8516] R13: 0000000000402490 R14: 0000000000000000 R15: 0000000000000000 [ 74.414513][ T8516] Kernel Offset: disabled [ 74.419080][ T8516] Rebooting in 86400 seconds..