================================================================================
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: 11792 Comm: syz-executor.2 Not tainted 5.12.0-rc1-next-20210305-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: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:rcu_read_unlock_sched_notrace include/linux/rcupdate.h:794 [inline]
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:lock_acquire+0x593/0x730 kernel/locking/lockdep.c:5482
Code: fb ff ff 65 ff 05 ed c6 a8 7e 48 8b 05 66 06 59 0c e8 61 8f a9 07 85 c0 74 09 80 3d 5b 8c 58 0c 00 74 43 65 ff 0d cd c6 a8 7e <0f> 85 32 fb ff ff e8 41 1c a7 ff e9 28 fb ff ff 0f 0b e9 ee fa ff
RSP: 0018:ffffc9000195f828 EFLAGS: 00000282
RAX: 0000000000000001 RBX: 1ffff9200032bf07 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8dc61a8f
R10: fffffbfff1b8c351 R11: 0000000000000000 R12: 0000000000000002
R13: ffffffff8bf73ee0 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:267 [inline]
 rcu_read_lock include/linux/rcupdate.h:656 [inline]
 lock_page_memcg+0x69/0x4f0 mm/memcontrol.c:2142
 page_remove_rmap+0x25/0x1430 mm/rmap.c:1348
 zap_pte_range mm/memory.c:1276 [inline]
 zap_pmd_range mm/memory.c:1380 [inline]
 zap_pud_range mm/memory.c:1409 [inline]
 zap_p4d_range mm/memory.c:1430 [inline]
 unmap_page_range+0xe30/0x2650 mm/memory.c:1451
 unmap_single_vma+0x198/0x300 mm/memory.c:1496
 unmap_vmas+0x16d/0x2f0 mm/memory.c:1528
 exit_mmap+0x2a8/0x590 mm/mmap.c:3233
 __mmput+0x122/0x470 kernel/fork.c:1082
 mmput+0x58/0x60 kernel/fork.c:1103
 exit_mm kernel/exit.c:501 [inline]
 do_exit+0xb0a/0x2a60 kernel/exit.c:812
 do_group_exit+0x125/0x310 kernel/exit.c:922
 __do_sys_exit_group kernel/exit.c:933 [inline]
 __se_sys_exit_group kernel/exit.c:931 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:931
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465f69
Code: Unable to access opcode bytes at RIP 0x465f3f.
RSP: 002b:00007f0bcb734bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465f69
RDX: 0000000000465f69 RSI: 0000000000000000 RDI: 000000000000000b
RBP: 000000000000000b R08: 0000000000000000 R09: 000000000056bf60
R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000056bf60
R13: 00007fffbd83c63f R14: 00007f0bcb735300 R15: 0000000000022000
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