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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: 1 PID: 12289 Comm: syz-executor.3 Not tainted 5.12.0-rc2-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+0x141/0x1d7 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 kernel/softirq.c:422 [inline]
 irq_exit_rcu+0x134/0x200 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:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:326 [inline]
RIP: 0010:rcu_is_watching+0x63/0xc0 kernel/rcu/tree.c:1169
Code: 80 3c 02 00 75 5b 48 03 1c ed e0 b6 0b 8b 48 b8 00 00 00 00 00 fc ff df 48 8d bb 48 01 00 00 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1f 8b 83 48 01 00
RSP: 0018:ffffc9000311f6c0 EFLAGS: 00000a06
RAX: dffffc0000000000 RBX: ffff8880b9d35fc0 RCX: 000000008c6f2dab
RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880b9d36108
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8fab1867
R10: fffffbfff1f5630c R11: 0000000000000000 R12: ffffea000150d948
R13: 0000000000000000 R14: dffffc0000000000 R15: ffffea000150d948
 rcu_read_lock include/linux/rcupdate.h:657 [inline]
 lock_page_memcg+0x306/0x510 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:3218
 __mmput+0x122/0x470 kernel/fork.c:1084
 mmput+0x58/0x60 kernel/fork.c:1105
 exit_mm kernel/exit.c:501 [inline]
 do_exit+0xb0a/0x2a60 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: 0033:0x465f69
Code: Unable to access opcode bytes at RIP 0x465f3f.
RSP: 002b:00007f6f60112218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 000000000056bf68 RCX: 0000000000465f69
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 000000000056bf6c
RBP: 000000000056bf60 R08: 000000000000000e R09: 0000000000000000
R10: 000000000000003c R11: 0000000000000246 R12: 000000000056bf6c
R13: 00007ffefdd8ac5f R14: 00007f6f60112300 R15: 0000000000022000
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