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UBSAN: shift-out-of-bounds in ./include/net/red.h:312:18
shift exponent 108 is too large for 64-bit type 'long unsigned int'
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.11.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
__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: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
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:default_idle+0xe/0x10 arch/x86/kernel/process.c:689
Code: ff ff ff 48 89 df e8 21 6a b2 f8 e9 52 ff ff ff 4c 89 e7 e8 14 6a b2 f8 eb 93 66 90 e9 07 00 00 00 0f 00 2d f4 29 61 00 fb f4 cc 41 55 41 54 55 48 89 fd 53 e8 a2 8c 6e f8 e8 ad b4 fd ff 48
RSP: 0018:ffffffff8bc07e40 EFLAGS: 00000206
RAX: 00000000000a4a71 RBX: ffffffff8bcbc340 RCX: ffffffff89027000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: fffffbfff1797868 R08: 0000000000000001 R09: ffff88802ca3610b
R10: ffffed1005946c21 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8dc5e848 R15: 0000000000000000
default_idle_call+0x87/0xd0 kernel/sched/idle.c:112
cpuidle_idle_call kernel/sched/idle.c:194 [inline]
do_idle+0x3fa/0x590 kernel/sched/idle.c:300
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:397
start_kernel+0x46b/0x48c init/main.c:1059
secondary_startup_64_no_verify+0xb0/0xbb
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