netlink: 'syz-executor.3': attribute type 29 has an invalid length. netlink: 'syz-executor.3': attribute type 29 has an invalid length. netlink: 'syz-executor.3': attribute type 29 has an invalid length. ================================================================================ UBSAN: Undefined behaviour in net/sched/sch_api.c:561:7 shift exponent 129 is too large for 32-bit type 'int' CPU: 1 PID: 9020 Comm: syz-executor.3 Not tainted 4.19.150-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 __qdisc_calculate_pkt_len+0x3bb/0x570 net/sched/sch_api.c:561 qdisc_calculate_pkt_len include/net/sch_generic.h:697 [inline] __dev_xmit_skb net/core/dev.c:3443 [inline] __dev_queue_xmit+0x1372/0x2ec0 net/core/dev.c:3807 neigh_hh_output include/net/neighbour.h:491 [inline] neigh_output include/net/neighbour.h:499 [inline] ip_finish_output2+0xc04/0x1640 net/ipv4/ip_output.c:230 ip_finish_output+0x88e/0xd80 net/ipv4/ip_output.c:318 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip_output+0x203/0x650 net/ipv4/ip_output.c:406 dst_output include/net/dst.h:455 [inline] ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125 iptunnel_xmit+0x63e/0xa30 net/ipv4/ip_tunnel_core.c:91 geneve_xmit_skb drivers/net/geneve.c:865 [inline] geneve_xmit+0xf46/0x2ac0 drivers/net/geneve.c:938 __netdev_start_xmit include/linux/netdevice.h:4333 [inline] netdev_start_xmit include/linux/netdevice.h:4347 [inline] xmit_one net/core/dev.c:3256 [inline] dev_hard_start_xmit+0x1a8/0x960 net/core/dev.c:3272 __dev_queue_xmit+0x276a/0x2ec0 net/core/dev.c:3838 neigh_hh_output include/net/neighbour.h:491 [inline] neigh_output include/net/neighbour.h:499 [inline] ip6_finish_output2+0xe78/0x2370 net/ipv6/ip6_output.c:120 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] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0xa6b/0x1860 net/ipv6/ndisc.c:491 ndisc_send_rs+0x131/0x6a0 net/ipv6/ndisc.c:685 addrconf_rs_timer+0x2d9/0x640 net/ipv6/addrconf.c:3834 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 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_preemption_disabled+0x1d/0x2b0 lib/smp_processor_id.c:15 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 e8 eb 2e cf fd 65 44 8b 25 b3 dd 5e 7c <65> 8b 1d 4c 4a 5f 7c 81 e3 ff ff ff 7f 31 ff 89 de e8 3d 30 cf fd RSP: 0018:ffff88804ed37470 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff13 RAX: 0000000000040000 RBX: ffff88804f8564c0 RCX: ffffc9000c14f000 RDX: 000000000001e0c6 RSI: ffffffff83a2a375 RDI: ffffffff8851f340 RBP: ffffffff8851f340 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff8851f300 R14: ffff88808fe5ab40 R15: ffff88809025c6c0 rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:348 [inline] rcu_is_watching+0xe/0x100 kernel/rcu/tree.c:1025 rcu_read_lock_held+0xba/0x110 kernel/rcu/update.c:283 veth_get_iflink+0x1d6/0x2c0 drivers/net/veth.c:859 dev_get_iflink+0x73/0xe0 net/core/dev.c:692 nla_put_iflink net/core/rtnetlink.c:1502 [inline] rtnl_fill_link_netnsid net/core/rtnetlink.c:1539 [inline] rtnl_fill_ifinfo+0x28d7/0x3820 net/core/rtnetlink.c:1680 rtnl_dump_ifinfo+0x7e1/0xd80 net/core/rtnetlink.c:1930 netlink_dump+0x3ed/0xc20 net/netlink/af_netlink.c:2234 netlink_recvmsg+0xaa6/0xf30 net/netlink/af_netlink.c:1992 sock_recvmsg_nosec net/socket.c:795 [inline] sock_recvmsg+0xca/0x110 net/socket.c:802 ___sys_recvmsg+0x255/0x570 net/socket.c:2277 __sys_recvmsg net/socket.c:2326 [inline] __do_sys_recvmsg net/socket.c:2336 [inline] __se_sys_recvmsg net/socket.c:2333 [inline] __x64_sys_recvmsg+0x12f/0x220 net/socket.c:2333 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8eb9ecac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 0000000000027180 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000004 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffdf11a5c3f R14: 00007f8eb9ecb9c0 R15: 000000000118bf2c ================================================================================ netlink: 'syz-executor.3': attribute type 29 has an invalid length. netlink: 'syz-executor.3': attribute type 29 has an invalid length. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65380 sclass=netlink_route_socket pid=3415 comm=kworker/0:2 netlink: 'syz-executor.3': attribute type 29 has an invalid length. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65380 sclass=netlink_route_socket pid=2790 comm=kworker/1:2 netlink: 'syz-executor.0': attribute type 29 has an invalid length. netlink: 'syz-executor.3': attribute type 29 has an invalid length. netlink: 'syz-executor.0': attribute type 29 has an invalid length. netlink: 'syz-executor.3': attribute type 29 has an invalid length. Unknown ioctl 35299 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1602325564.579:9): pid=9086 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir143674654/syzkaller.ENL8TA/38/cgroup.controllers" dev="sda1" ino=15920 res=1 Unknown ioctl 35299 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1602325565.409:10): pid=9094 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir143674654/syzkaller.ENL8TA/38/cgroup.controllers" dev="sda1" ino=15920 res=1 Unknown ioctl 35299 audit: type=1804 audit(1602325565.789:11): pid=9225 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir143674654/syzkaller.ENL8TA/39/cgroup.controllers" dev="sda1" ino=15937 res=1 audit: type=1804 audit(1602325566.938:12): pid=9309 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir143674654/syzkaller.ENL8TA/40/cgroup.controllers" dev="sda1" ino=15920 res=1 Unknown ioctl 35299 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1602325568.028:13): pid=9327 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir143674654/syzkaller.ENL8TA/41/cgroup.controllers" dev="sda1" ino=15950 res=1 Unknown ioctl 35299