syzbot

netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
================================================================================
UBSAN: Undefined behaviour in ./include/net/red.h:272:18
shift exponent 115 is too large for 64-bit type 'long unsigned int'
CPU: 1 PID: 6501 Comm: syz-executor143 Not tainted 4.19.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x22c/0x33e lib/dump_stack.c:118
 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
 red_calc_qavg_from_idle_time include/net/red.h:272 [inline]
 red_adaptative_algo include/net/red.h:404 [inline]
 red_adaptative_timer+0x7ed/0x870 net/sched/sch_red.c:266
 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338
 expire_timers+0x243/0x500 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1703 [inline]
 run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716
 __do_softirq+0x27d/0xad2 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x22d/0x270 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x50/0x90 kernel/locking/spinlock.c:192
Code: c0 f8 89 63 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 3d 48 83 3d 41 5d b2 01 00 74 25 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 96 d8 9b f9 65 8b 05 ff c0 50 78 85 c0 74 02 5d
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
RSP: 0018:ffff8880a4d372a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12c713f RBX: 0000000076d330a8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880a32c6cc4
RBP: ffff8880ae32c2c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae32c2c0
R13: ffff8880a496e1c0 R14: 0000000000000000 R15: 0000000000000001
 finish_lock_switch kernel/sched/core.c:2578 [inline]
 finish_task_switch+0x174/0x8b0 kernel/sched/core.c:2678
 context_switch kernel/sched/core.c:2831 [inline]
 __schedule+0x8ed/0x22e0 kernel/sched/core.c:3517
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:3641
 ___preempt_schedule+0x16/0x18
 __local_bh_enable_ip+0x245/0x2a0 kernel/softirq.c:196
 local_bh_enable include/linux/bottom_half.h:32 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:721 [inline]
 ip_finish_output2+0xe53/0x1640 net/ipv4/ip_output.c:232
 ip_finish_output+0x88e/0xd80 net/ipv4/ip_output.c:318
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip_mc_output+0x268/0xff0 net/ipv4/ip_output.c:391
 dst_output include/net/dst.h:455 [inline]
 ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125
 ip_send_skb+0x3e/0xe0 net/ipv4/ip_output.c:1447
 udp_send_skb+0x72a/0x1240 net/ipv4/udp.c:848
 udp_sendmsg+0x1cdb/0x2530 net/ipv4/udp.c:1135
 inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xc7/0x130 net/socket.c:632
 ___sys_sendmsg+0x3b3/0x8f0 net/socket.c:2115
 __sys_sendmmsg+0x195/0x470 net/socket.c:2210
 __do_sys_sendmmsg net/socket.c:2239 [inline]
 __se_sys_sendmmsg net/socket.c:2236 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441909
Code: e8 ac e8 ff ff 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 6b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffe51441778 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441909
RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000003
RBP: 0000000000009fbc R08: 00000000004002c8 R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402600
R13: 0000000000402690 R14: 0000000000000000 R15: 0000000000000000
================================================================================
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
nla_parse: 27 callbacks suppressed
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
nla_parse: 30 callbacks suppressed
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.
netlink: 1164 bytes leftover after parsing attributes in process `syz-executor143'.