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UBSAN: shift-out-of-bounds in ./include/net/red.h:312:18
shift exponent 193 is too large for 64-bit type 'long unsigned int'
CPU: 0 PID: 22059 Comm: syz-executor.0 Not tainted 5.11.0-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:395
 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:343
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:226 [inline]
 __irq_exit_rcu kernel/softirq.c:420 [inline]
 irq_exit_rcu+0x134/0x200 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__kasan_check_write+0x0/0x10 mm/kasan/shadow.c:36
Code: 83 c4 60 5b 5d 41 5c 41 5d c3 c3 e9 71 e0 0b 07 cc cc cc cc cc cc cc cc cc cc 48 8b 0c 24 89 f6 31 d2 e9 23 f9 ff ff 0f 1f 00 <48> 8b 0c 24 89 f6 ba 01 00 00 00 e9 10 f9 ff ff 55 53 48 8b 07 48
RSP: 0018:ffffc90008d47740 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888064b38000 RSI: 0000000000000004 RDI: ffffea00012e17b0
RBP: ffffea00012e1780 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81aa8d4f R11: 0000000000000000 R12: ffffea00012e1788
R13: 0000000000000000 R14: 0000000000000000 R15: dead000000000100
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_add_negative include/asm-generic/atomic-instrumented.h:768 [inline]
 page_remove_file_rmap mm/rmap.c:1266 [inline]
 page_remove_rmap+0x60f/0x1360 mm/rmap.c:1337
 zap_pte_range mm/memory.c:1264 [inline]
 zap_pmd_range mm/memory.c:1368 [inline]
 zap_pud_range mm/memory.c:1397 [inline]
 zap_p4d_range mm/memory.c:1418 [inline]
 unmap_page_range+0xe30/0x2650 mm/memory.c:1439
 unmap_single_vma+0x198/0x300 mm/memory.c:1484
 unmap_vmas+0x16d/0x2f0 mm/memory.c:1516
 exit_mmap+0x2a8/0x590 mm/mmap.c:3220
 __mmput+0x122/0x470 kernel/fork.c:1082
 mmput+0x58/0x60 kernel/fork.c:1103
 exit_mm kernel/exit.c:501 [inline]
 do_exit+0xb6f/0x2ae0 kernel/exit.c:812
 do_group_exit+0x125/0x310 kernel/exit.c:922
 get_signal+0x42c/0x2100 kernel/signal.c:2773
 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:811
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x148/0x250 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465ef9
Code: Unable to access opcode bytes at RIP 0x465ecf.
RSP: 002b:00007fc2ea60a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 000000000056bf68 RCX: 0000000000465ef9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf68
RBP: 000000000056bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf6c
R13: 00007ffd19a4013f R14: 00007fc2ea60a300 R15: 0000000000022000
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