================================================================================
UBSAN: shift-out-of-bounds in ./include/net/red.h:312:18
shift exponent 109 is too large for 64-bit type 'long unsigned int'
CPU: 0 PID: 58 Comm: kworker/0:2 Not tainted 5.12.0-rc1-next-20210304-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events iterate_cleanup_work
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0xfa/0x151 lib/dump_stack.c:120
 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148
 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:327
 red_calc_qavg_from_idle_time include/net/red.h:312 [inline]
 red_adaptative_algo include/net/red.h:444 [inline]
 red_adaptative_timer.cold+0x1bd/0x26c net/sched/sch_red.c:324
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1431
 expire_timers kernel/time/timer.c:1476 [inline]
 __run_timers.part.0+0x67c/0xa50 kernel/time/timer.c:1745
 __run_timers kernel/time/timer.c:1726 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1758
 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu+0x136/0x200 kernel/softirq.c:422
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:434
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:lock_is_held_type+0xf6/0x130 kernel/locking/lockdep.c:5559
Code: 20 91 6b 89 e8 db 0c 00 00 b8 ff ff ff ff 65 0f c1 05 9e e8 fc 76 83 f8 01 75 22 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb c0 0f 0b 48
RSP: 0018:ffffc90000f3fb70 EFLAGS: 00000292
RAX: 0000000000000001 RBX: 0000000000000002 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff8bf73e80 R08: 0000000000000001 R09: ffffffff8faca997
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888011929c00
R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88801192a5c0
 lock_is_held include/linux/lockdep.h:283 [inline]
 ___might_sleep+0x202/0x2c0 kernel/sched/core.c:8325
 get_next_corpse net/netfilter/nf_conntrack_core.c:2223 [inline]
 nf_ct_iterate_cleanup+0x131/0x410 net/netfilter/nf_conntrack_core.c:2245
 nf_ct_iterate_cleanup_net net/netfilter/nf_conntrack_core.c:2330 [inline]
 nf_ct_iterate_cleanup_net+0x118/0x170 net/netfilter/nf_conntrack_core.c:2315
 iterate_cleanup_work+0x45/0x130 net/netfilter/nf_nat_masquerade.c:216
 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
================================================================================