================================================================================ UBSAN: shift-out-of-bounds in ./include/net/red.h:310:18 shift exponent 71 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 8492 Comm: syz-executor798 Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __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 red_calc_qavg_from_idle_time include/net/red.h:310 [inline] red_adaptative_algo include/net/red.h:442 [inline] red_adaptative_timer.cold+0x1bd/0x26c net/sched/sch_red.c:324 call_timer_fn+0x1a5/0x710 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x692/0xa80 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1744 __do_softirq+0x2bc/0xa77 kernel/softirq.c:343 asm_call_irq_on_stack+0xf/0x20 __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+0x17f/0x200 kernel/softirq.c:420 irq_exit_rcu+0x5/0x20 kernel/softirq.c:432 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:2562 Code: e0 a5 69 8b e8 7a 94 fd ff e8 65 40 00 00 31 ff 4c 89 ee e8 ab fd 17 00 4d 85 ed 0f 85 3c 02 00 00 e8 0d f7 17 00 ff 34 24 9d <8b> 5c 24 34 31 ff 89 de e8 1c fd 17 00 85 db 0f 84 9a f9 ff ff e8 RSP: 0018:ffffc900019e6c08 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88802830e380 RSI: ffffffff815a28a3 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8f5187a7 R10: fffffbfff1ea30f4 R11: 0000000000000000 R12: ffffffff84af3580 R13: 0000000000000200 R14: dffffc0000000000 R15: ffffc900019e6c68 vprintk_emit+0x198/0x400 kernel/printk/printk.c:2074 vprintk_func+0x8d/0x1e0 kernel/printk/printk_safe.c:393 printk+0xba/0xed kernel/printk/printk.c:2122 batadv_check_known_mac_addr.cold+0x23/0x5a net/batman-adv/hard-interface.c:517 batadv_hard_if_event+0x554/0x1530 net/batman-adv/hard-interface.c:1026 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x150 net/core/dev.c:2040 call_netdevice_notifiers_extack net/core/dev.c:2052 [inline] call_netdevice_notifiers net/core/dev.c:2066 [inline] dev_set_mac_address+0x2de/0x3e0 net/core/dev.c:8739 do_setlink+0x1695/0x3ab0 net/core/rtnetlink.c:2663 __rtnl_newlink+0xc1c/0x1750 net/core/rtnetlink.c:3376 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3502 rtnetlink_rcv_msg+0x498/0xb80 net/core/rtnetlink.c:5564 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x907/0xe40 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 __sys_sendto+0x21c/0x320 net/socket.c:1975 __do_sys_sendto net/socket.c:1987 [inline] __se_sys_sendto net/socket.c:1983 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1983 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x40a0b3 Code: ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb cd 66 0f 1f 44 00 00 83 3d fd 68 2e 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 01 19 00 00 c3 48 83 ec 08 e8 e7 fa ff ff RSP: 002b:00007ffe0c900e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00000000006e9b60 RCX: 000000000040a0b3 RDX: 000000000000002c RSI: 00000000006e9bb0 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffe0c900e70 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00000000006e9bb0 R15: 0000000000000003 ================================================================================