================================================================================
UBSAN: Undefined behaviour in ./include/net/red.h:272:18
shift exponent 71 is too large for 64-bit type 'long unsigned int'
CPU: 1 PID: 8953 Comm: kworker/u4:8 Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x22c/0x33e lib/dump_stack.c:118
 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
IPVS: ftp: loaded support on port[0] = 21
 red_calc_qavg_from_idle_time include/net/red.h:272 [inline]
 red_adaptative_algo include/net/red.h:404 [inline]
 red_adaptative_timer+0x7ed/0x870 net/sched/sch_red.c:266
 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338
 expire_timers+0x243/0x500 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1703 [inline]
 run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716
 __do_softirq+0x27d/0xad2 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x22d/0x270 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x14/0x50 kernel/kcov.c:101
Code: e8 40 7b e9 ff 48 c7 05 e6 fa bc 0b 00 00 00 00 e9 39 ec ff ff 90 48 8b 34 24 65 48 8b 04 25 40 ee 01 00 65 8b 15 dc 2a 90 7e <81> e2 00 01 1f 00 75 2b 8b 90 e0 12 00 00 83 fa 02 75 20 48 8b 88
RSP: 0018:ffff888037897c40 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: ffff8880378805c0 RBX: 0000000000000080 RCX: ffff88808d9eda00
RDX: 0000000080000000 RSI: ffffffff8793b2dc RDI: ffff888037880930
RBP: ffff88808d440028 R08: 0000000000000000 R09: 0000000000000080
R10: 0000000000000004 R11: 0000000000000002 R12: dffffc0000000000
R13: ffff88808d9eda00 R14: ffff8880510b5b00 R15: 0000000000000005
 rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
 rcu_read_lock include/linux/rcupdate.h:627 [inline]
 batadv_nc_process_nc_paths.part.0+0xcc/0x410 net/batman-adv/network-coding.c:698
 batadv_nc_process_nc_paths net/batman-adv/network-coding.c:690 [inline]
 batadv_nc_worker+0x9f4/0xd90 net/batman-adv/network-coding.c:739
 process_one_work+0x796/0x14e0 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
================================================================================
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
IPVS: ftp: loaded support on port[0] = 21
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21