IPVS: ftp: loaded support on port[0] = 21 netlink: 36397 bytes leftover after parsing attributes in process `syz-executor.3'. ================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 103 is too large for 64-bit type 'long unsigned int' CPU: 1 PID: 7503 Comm: syz-executor.2 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __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 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 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 do_softirq.part.0+0x168/0x200 kernel/softirq.c:336 do_softirq kernel/softirq.c:328 [inline] __local_bh_enable_ip+0x22d/0x2a0 kernel/softirq.c:189 local_bh_enable include/linux/bottom_half.h:32 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:721 [inline] ip6_finish_output2+0x120d/0x2370 net/ipv6/ip6_output.c:121 ip6_finish_output+0x610/0xcc0 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x7c0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:455 [inline] ip6_local_out+0xaf/0x170 net/ipv6/output_core.c:178 ip6_send_skb+0xb3/0x300 net/ipv6/ip6_output.c:1699 ip6_push_pending_frames+0xdd/0x100 net/ipv6/ip6_output.c:1719 rawv6_push_pending_frames net/ipv6/raw.c:618 [inline] rawv6_sendmsg+0x2b79/0x37e0 net/ipv6/raw.c:959 inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 ___sys_sendmsg+0x3b3/0x8f0 net/socket.c:2115 __sys_sendmmsg+0x195/0x470 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 netlink: 36397 bytes leftover after parsing attributes in process `syz-executor.3'. RSP: 002b:00007fb009ae4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000027fc0 RCX: 000000000045e179 RDX: 000000000000055f RSI: 0000000020007e40 RDI: 0000000000000004 RBP: 000000000118d030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cff4 R13: 00007ffce224e08f R14: 00007fb009ae59c0 R15: 000000000118cff4 ================================================================================ SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47 sclass=netlink_route_socket pid=7562 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47 sclass=netlink_route_socket pid=7565 comm=syz-executor.2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47 sclass=netlink_route_socket pid=7571 comm=syz-executor.2 IPVS: ftp: loaded support on port[0] = 21 netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 52 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 52 bytes leftover after parsing attributes in process `syz-executor.0'. xt_TCPMSS: Only works on TCP SYN packets SELinux: unrecognized netlink message: protocol=0 nlmsg_type=104 sclass=netlink_route_socket pid=7971 comm=syz-executor.4 netlink: 20653 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 20653 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 32147 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 96 bytes leftover after parsing attributes in process `syz-executor.0'. bond0: option mode: unable to set because the bond device has slaves netlink: 3 bytes leftover after parsing attributes in process `syz-executor.0'. IPVS: ftp: loaded support on port[0] = 21 netlink: 40027 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_CHANGE): Y4F$: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.