netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. ================================================================================ UBSAN: Undefined behaviour in net/sched/cls_tcindex.c:238:29 shift exponent 28560 is too large for 32-bit type 'int' CPU: 0 PID: 12769 Comm: syz-executor.3 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 valid_perfect_hash net/sched/cls_tcindex.c:238 [inline] tcindex_set_parms.cold+0x170/0x22f net/sched/cls_tcindex.c:398 tcindex_change+0x220/0x2f3 net/sched/cls_tcindex.c:518 tc_new_tfilter+0xb38/0x1570 net/sched/cls_api.c:1320 rtnetlink_rcv_msg+0x498/0xc10 net/core/rtnetlink.c:4778 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 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 RSP: 002b:00007f646f422c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000027f40 RCX: 000000000045e179 RDX: 010efe10675dec16 RSI: 0000000020000200 RDI: 0000000000000006 RBP: 000000000118d030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cff4 R13: 00007ffd371a3bff R14: 00007f646f4239c0 R15: 000000000118cff4 ================================================================================ netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. do_dccp_getsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app netlink: 'syz-executor.3': attribute type 1 has an invalid length. IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready 8021q: adding VLAN 0 to HW filter on device bond2 bond2: Enslaving veth7 as an active interface with a down link device bridge1 entered promiscuous mode device bridge1 left promiscuous mode bond2: making interface vlan2 the new active one device bridge1 entered promiscuous mode device vlan2 entered promiscuous mode bond2: Enslaving vlan2 as an active interface with an up link IPv6: ADDRCONF(NETDEV_CHANGE): bond2: link becomes ready netlink: 'syz-executor.3': attribute type 1 has an invalid length. IPv6: ADDRCONF(NETDEV_UP): bond3: link is not ready 8021q: adding VLAN 0 to HW filter on device bond3 nla_parse: 25 callbacks suppressed netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. xt_socket: unknown flags 0x8 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. xt_socket: unknown flags 0x8 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=114 sclass=netlink_route_socket pid=13237 comm=syz-executor.3 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=114 sclass=netlink_route_socket pid=13249 comm=syz-executor.3 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1400 audit(1601185293.484:29): avc: denied { ioctl } for pid=13325 comm="syz-executor.2" path="socket:[45089]" dev="sockfs" ino=45089 ioctlcmd=0x8983 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47 sclass=netlink_route_socket pid=13340 comm=syz-executor.3 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 netlink: 'syz-executor.2': attribute type 29 has an invalid length. batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47 sclass=netlink_route_socket pid=13340 comm=syz-executor.3 netlink: 'syz-executor.2': attribute type 29 has an invalid length. audit: type=1804 audit(1601185294.404:30): pid=13408 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir233211802/syzkaller.PmiGB8/232/cgroup.controllers" dev="sda1" ino=16417 res=1 audit: type=1804 audit(1601185294.494:31): pid=13415 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir233211802/syzkaller.PmiGB8/232/memory.events" dev="sda1" ino=16416 res=1 audit: type=1800 audit(1601185294.494:32): pid=13415 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="memory.events" dev="sda1" ino=16416 res=0 netlink: 'syz-executor.2': attribute type 1 has an invalid length. IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready 8021q: adding VLAN 0 to HW filter on device bond1 device veth12 entered promiscuous mode bond1: Enslaving veth13 as an active interface with a down link device bridge1 entered promiscuous mode device bridge1 left promiscuous mode bond1: making interface vlan2 the new active one device bridge1 entered promiscuous mode device vlan2 entered promiscuous mode bond1: Enslaving vlan2 as an active interface with an up link IPv6: ADDRCONF(NETDEV_CHANGE): bond1: link becomes ready netlink: 'syz-executor.2': attribute type 1 has an invalid length. device veth14 entered promiscuous mode bond1: Enslaving veth15 as an active interface with a down link nla_parse: 11 callbacks suppressed netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'.