Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.480325][ T8397] ================================================================================ [ 75.489981][ T8397] UBSAN: shift-out-of-bounds in ./include/net/red.h:237:23 [ 75.497811][ T8397] shift exponent 32 is too large for 32-bit type 'unsigned int' [ 75.505740][ T8397] CPU: 1 PID: 8397 Comm: syz-executor265 Not tainted 5.12.0-rc2-syzkaller #0 [ 75.514562][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.524631][ T8397] Call Trace: [ 75.527913][ T8397] dump_stack+0x141/0x1d7 [ 75.532262][ T8397] ubsan_epilogue+0xb/0x5a [ 75.536669][ T8397] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 75.543447][ T8397] ? rwlock_bug.part.0+0x90/0x90 [ 75.548391][ T8397] choke_change.cold+0x3c/0xc8 [ 75.553248][ T8397] ? rcu_read_lock_sched_held+0x3a/0x70 [ 75.558809][ T8397] ? choke_enqueue+0x1b60/0x1b60 [ 75.563866][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.570125][ T8397] ? choke_change+0x15d0/0x15d0 [ 75.575119][ T8397] qdisc_create+0x475/0x12f0 [ 75.579875][ T8397] ? tc_get_qdisc+0xb30/0xb30 [ 75.585516][ T8397] ? __nla_parse+0x3d/0x50 [ 75.589934][ T8397] tc_modify_qdisc+0x4c8/0x1a50 [ 75.595081][ T8397] ? rtnetlink_rcv_msg+0x3f9/0xad0 [ 75.600230][ T8397] ? qdisc_create+0x12f0/0x12f0 [ 75.605120][ T8397] ? qdisc_create+0x12f0/0x12f0 [ 75.609990][ T8397] rtnetlink_rcv_msg+0x44e/0xad0 [ 75.614956][ T8397] ? rtnetlink_put_metrics+0x510/0x510 [ 75.620451][ T8397] netlink_rcv_skb+0x153/0x420 [ 75.625241][ T8397] ? rtnetlink_put_metrics+0x510/0x510 [ 75.630714][ T8397] ? netlink_ack+0xaa0/0xaa0 [ 75.635498][ T8397] ? netlink_deliver_tap+0x227/0xb70 [ 75.640969][ T8397] netlink_unicast+0x533/0x7d0 [ 75.645846][ T8397] ? netlink_attachskb+0x870/0x870 [ 75.650999][ T8397] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.657388][ T8397] ? __phys_addr_symbol+0x2c/0x70 [ 75.662422][ T8397] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 75.668155][ T8397] ? __check_object_size+0x171/0x3f0 [ 75.673567][ T8397] netlink_sendmsg+0x856/0xd90 [ 75.678354][ T8397] ? netlink_unicast+0x7d0/0x7d0 [ 75.683425][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.689694][ T8397] ? netlink_unicast+0x7d0/0x7d0 [ 75.694644][ T8397] sock_sendmsg+0xcf/0x120 [ 75.699077][ T8397] ____sys_sendmsg+0x6e8/0x810 [ 75.703868][ T8397] ? kernel_sendmsg+0x50/0x50 [ 75.708546][ T8397] ? do_recvmmsg+0x6d0/0x6d0 [ 75.713132][ T8397] ? fs_reclaim_release+0x9c/0xe0 [ 75.718166][ T8397] ? lock_chain_count+0x20/0x20 [ 75.723029][ T8397] ___sys_sendmsg+0xf3/0x170 [ 75.727618][ T8397] ? sendmsg_copy_msghdr+0x160/0x160 [ 75.732901][ T8397] ? __lock_acquire+0x16b3/0x54c0 [ 75.737971][ T8397] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 75.743973][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.750230][ T8397] ? __fget_light+0x215/0x280 [ 75.754996][ T8397] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 75.761330][ T8397] __sys_sendmsg+0xe5/0x1b0 [ 75.766191][ T8397] ? __sys_sendmsg_sock+0x30/0x30 [ 75.771225][ T8397] ? syscall_enter_from_user_mode+0x27/0x70 [ 75.777257][ T8397] do_syscall_64+0x2d/0x70 [ 75.781712][ T8397] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 75.787614][ T8397] RIP: 0033:0x43f039 [ 75.791605][ T8397] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 75.811757][ T8397] RSP: 002b:00007ffceb473ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.820288][ T8397] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 [ 75.828377][ T8397] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004 [ 75.836476][ T8397] RBP: 0000000000403020 R08: 0000000000400488 R09: 0000000000400488 [ 75.844551][ T8397] R10: 0000000000400488 R11: 0000000000000246 R12: 00000000004030b0 [ 75.852641][ T8397] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 75.860854][ T8397] ================================================================================ [ 75.870236][ T8397] Kernel panic - not syncing: panic_on_warn set ... [ 75.876838][ T8397] CPU: 1 PID: 8397 Comm: syz-executor265 Not tainted 5.12.0-rc2-syzkaller #0 [ 75.885706][ T8397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.895805][ T8397] Call Trace: [ 75.899109][ T8397] dump_stack+0x141/0x1d7 [ 75.903498][ T8397] panic+0x306/0x73d [ 75.907427][ T8397] ? __warn_printk+0xf3/0xf3 [ 75.912056][ T8397] ? dump_stack+0x1c1/0x1d7 [ 75.916590][ T8397] ? ubsan_epilogue+0x3e/0x5a [ 75.921317][ T8397] ubsan_epilogue+0x54/0x5a [ 75.925852][ T8397] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 [ 75.932661][ T8397] ? rwlock_bug.part.0+0x90/0x90 [ 75.937649][ T8397] choke_change.cold+0x3c/0xc8 [ 75.942483][ T8397] ? rcu_read_lock_sched_held+0x3a/0x70 [ 75.948100][ T8397] ? choke_enqueue+0x1b60/0x1b60 [ 75.953090][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 75.959376][ T8397] ? choke_change+0x15d0/0x15d0 [ 75.964283][ T8397] qdisc_create+0x475/0x12f0 [ 75.968935][ T8397] ? tc_get_qdisc+0xb30/0xb30 [ 75.973666][ T8397] ? __nla_parse+0x3d/0x50 [ 75.978244][ T8397] tc_modify_qdisc+0x4c8/0x1a50 [ 75.983144][ T8397] ? rtnetlink_rcv_msg+0x3f9/0xad0 [ 75.988287][ T8397] ? qdisc_create+0x12f0/0x12f0 [ 75.993196][ T8397] ? qdisc_create+0x12f0/0x12f0 [ 75.998087][ T8397] rtnetlink_rcv_msg+0x44e/0xad0 [ 76.003060][ T8397] ? rtnetlink_put_metrics+0x510/0x510 [ 76.008569][ T8397] netlink_rcv_skb+0x153/0x420 [ 76.013370][ T8397] ? rtnetlink_put_metrics+0x510/0x510 [ 76.018953][ T8397] ? netlink_ack+0xaa0/0xaa0 [ 76.023579][ T8397] ? netlink_deliver_tap+0x227/0xb70 [ 76.028926][ T8397] netlink_unicast+0x533/0x7d0 [ 76.033745][ T8397] ? netlink_attachskb+0x870/0x870 [ 76.039016][ T8397] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.045313][ T8397] ? __phys_addr_symbol+0x2c/0x70 [ 76.050390][ T8397] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 76.056156][ T8397] ? __check_object_size+0x171/0x3f0 [ 76.061488][ T8397] netlink_sendmsg+0x856/0xd90 [ 76.066317][ T8397] ? netlink_unicast+0x7d0/0x7d0 [ 76.071306][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.077610][ T8397] ? netlink_unicast+0x7d0/0x7d0 [ 76.082585][ T8397] sock_sendmsg+0xcf/0x120 [ 76.087037][ T8397] ____sys_sendmsg+0x6e8/0x810 [ 76.091838][ T8397] ? kernel_sendmsg+0x50/0x50 [ 76.096715][ T8397] ? do_recvmmsg+0x6d0/0x6d0 [ 76.101343][ T8397] ? fs_reclaim_release+0x9c/0xe0 [ 76.106428][ T8397] ? lock_chain_count+0x20/0x20 [ 76.111326][ T8397] ___sys_sendmsg+0xf3/0x170 [ 76.115953][ T8397] ? sendmsg_copy_msghdr+0x160/0x160 [ 76.121289][ T8397] ? __lock_acquire+0x16b3/0x54c0 [ 76.126365][ T8397] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 76.132397][ T8397] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 76.139111][ T8397] ? __fget_light+0x215/0x280 [ 76.143824][ T8397] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 76.150109][ T8397] __sys_sendmsg+0xe5/0x1b0 [ 76.154666][ T8397] ? __sys_sendmsg_sock+0x30/0x30 [ 76.159747][ T8397] ? syscall_enter_from_user_mode+0x27/0x70 [ 76.165687][ T8397] do_syscall_64+0x2d/0x70 [ 76.170179][ T8397] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 76.176211][ T8397] RIP: 0033:0x43f039 [ 76.180133][ T8397] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 76.199768][ T8397] RSP: 002b:00007ffceb473ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.208248][ T8397] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f039 [ 76.216243][ T8397] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004 [ 76.224260][ T8397] RBP: 0000000000403020 R08: 0000000000400488 R09: 0000000000400488 [ 76.232261][ T8397] R10: 0000000000400488 R11: 0000000000000246 R12: 00000000004030b0 [ 76.240275][ T8397] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 76.248865][ T8397] Kernel Offset: disabled [ 76.253321][ T8397] Rebooting in 86400 seconds..