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UBSAN: shift-out-of-bounds in net/core/gen_estimator.c:83:38
shift exponent -120 is negative
CPU: 0 PID: 36 Comm: kauditd Not tainted 5.10.0-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+0x107/0x163 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
 est_timer.cold+0xbb/0x12d net/core/gen_estimator.c:83
 call_timer_fn+0x1a5/0x710 kernel/time/timer.c:1417
 expire_timers kernel/time/timer.c:1462 [inline]
 __run_timers+0x6f6/0xb10 kernel/time/timer.c:1731
 run_timer_softirq+0x7d/0x140 kernel/time/timer.c:1744
 __do_softirq+0x2cb/0xad5 kernel/softirq.c:298
 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:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x18a/0x1b0 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628
RIP: 0010:console_unlock+0x807/0xc00 kernel/printk/printk.c:2509
Code: 80 9b 94 8b e8 9a 83 fd ff e8 65 41 00 00 31 ff 4c 89 ee e8 4b 9d 18 00 4d 85 ed 0f 85 3c 02 00 00 e8 8d a1 18 00 ff 34 24 9d <8b> 5c 24 34 31 ff 89 de e8 0c 9d 18 00 85 db 0f 84 9a f9 ff ff e8
RSP: 0018:ffffc90000e6fae8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff815a9b57
RDX: ffff888011ffd340 RSI: ffffffff815d9903 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8fe6f7a7
R10: fffffbfff1fcdef4 R11: 74203a7469647561 R12: ffffffff84c52780
R13: 0000000000000200 R14: dffffc0000000000 R15: ffffc90000e6fb48
 vprintk_emit+0x1cb/0x430 kernel/printk/printk.c:2028
 vprintk_func+0x8d/0x240 kernel/printk/printk_safe.c:393
 printk+0xba/0xed kernel/printk/printk.c:2076
 kauditd_printk_skb kernel/audit.c:538 [inline]
 kauditd_hold_skb+0x184/0x1d0 kernel/audit.c:571
 kauditd_send_queue+0x19d/0x210 kernel/audit.c:734
 kauditd_thread+0x8db/0xc60 kernel/audit.c:860
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
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