================================================================================ UBSAN: Undefined behaviour in net/netfilter/ipset/ip_set_hash_gen.h:125:6 shift exponent 32 is too large for 32-bit type 'unsigned int' CPU: 1 PID: 9700 Comm: syz-executor.4 Not tainted 4.19.147-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 htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline] hash_ipportip_create.cold+0x1a/0x21 net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x70e/0x1380 net/netfilter/ipset/ip_set_core.c:940 nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 nfnetlink_rcv+0x1b2/0x41b net/netfilter/nfnetlink.c:565 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+0x7bb/0x8f0 net/socket.c:2115 __sys_sendmsg net/socket.c:2153 [inline] __do_sys_sendmsg net/socket.c:2162 [inline] __se_sys_sendmsg net/socket.c:2160 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160 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:00007fdb8f209c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000020001080 RDI: 0000000000000003 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffcf08dc4df R14: 00007fdb8f20a9c0 R15: 000000000118cf4c ================================================================================ ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. netlink: 'syz-executor.1': attribute type 16 has an invalid length. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > IPv6: ADDRCONF(NETDEV_CHANGE): vcan9: link becomes ready pit: kvm: requested 4190 ns i8254 timer period limited to 200000 ns netlink: 'syz-executor.1': attribute type 16 has an invalid length. ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. IPv6: ADDRCONF(NETDEV_CHANGE): vcan10: link becomes ready loop4: p2 < > nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. netlink: 'syz-executor.1': attribute type 16 has an invalid length. IPv6: ADDRCONF(NETDEV_CHANGE): vcan11: link becomes ready ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. netlink: 'syz-executor.1': attribute type 16 has an invalid length. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > IPv6: ADDRCONF(NETDEV_CHANGE): vcan12: link becomes ready netlink: 'syz-executor.1': attribute type 16 has an invalid length. IPv6: ADDRCONF(NETDEV_CHANGE): vcan13: link becomes ready ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=106 sclass=netlink_route_socket pid=9923 comm=syz-executor.2 ldm_validate_privheads(): Cannot find PRIVHEAD 1. __ntfs_error: 19 callbacks suppressed ntfs: (device loop0): parse_options(): Unrecognized mount option . loop4: p2 < > netlink: 'syz-executor.1': attribute type 16 has an invalid length. FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop2): mounting with "discard" option, but the device does not support discard ntfs: (device loop0): parse_options(): Unrecognized mount option . IPv6: ADDRCONF(NETDEV_CHANGE): vcan14: link becomes ready ntfs: (device loop0): parse_options(): Unrecognized mount option . netlink: 'syz-executor.1': attribute type 16 has an invalid length. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=43 sclass=netlink_route_socket pid=9992 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=43 sclass=netlink_route_socket pid=9996 comm=syz-executor.5 ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. ntfs: (device loop0): parse_options(): Unrecognized mount option . loop4: p2 < > audit: type=1804 audit(1601084892.523:16): pid=10009 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-testdir313247462/syzkaller.EvhikJ/79/bus" dev="sda1" ino=15954 res=1 IPv6: ADDRCONF(NETDEV_CHANGE): vcan15: link becomes ready audit: type=1800 audit(1601084892.653:17): pid=10022 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.5" name="bus" dev="sda1" ino=15871 res=0 ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > device veth0_macvtap left promiscuous mode ntfs: (device loop0): parse_options(): Unrecognized mount option . audit: type=1804 audit(1601084892.803:18): pid=10039 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-testdir313247462/syzkaller.EvhikJ/80/bus" dev="sda1" ino=15953 res=1 ntfs: (device loop0): parse_options(): Unrecognized mount option . audit: type=1804 audit(1601084893.023:19): pid=10059 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-testdir313247462/syzkaller.EvhikJ/81/bus" dev="sda1" ino=15962 res=1 netlink: 'syz-executor.1': attribute type 16 has an invalid length. ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > IPv6: ADDRCONF(NETDEV_CHANGE): vcan16: link becomes ready netlink: 'syz-executor.1': attribute type 16 has an invalid length. IPv6: ADDRCONF(NETDEV_CHANGE): vcan17: link becomes ready netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 3092 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 'syz-executor.5': attribute type 29 has an invalid length. netlink: 'syz-executor.5': attribute type 29 has an invalid length. netlink: 'syz-executor.1': attribute type 16 has an invalid length. IPv6: ADDRCONF(NETDEV_CHANGE): vcan18: link becomes ready netlink: 32 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 3092 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 'syz-executor.4': attribute type 5 has an invalid length. netlink: 'syz-executor.1': attribute type 16 has an invalid length. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. IPv6: ADDRCONF(NETDEV_CHANGE): vcan19: link becomes ready netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 'syz-executor.4': attribute type 5 has an invalid length. netlink: 'syz-executor.1': attribute type 16 has an invalid length. IPv6: ADDRCONF(NETDEV_CHANGE): vcan20: link becomes ready netlink: 'syz-executor.1': attribute type 16 has an invalid length. IPv6: ADDRCONF(NETDEV_CHANGE): vcan21: link becomes ready ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > IPv6: ADDRCONF(NETDEV_CHANGE): vcan22: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan23: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan24: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan25: link becomes ready ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > IPv6: ADDRCONF(NETDEV_CHANGE): vcan26: link becomes ready netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. IPv6: ADDRCONF(NETDEV_CHANGE): vcan27: link becomes ready ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < > IPv6: ADDRCONF(NETDEV_CHANGE): vcan28: link becomes ready dccp_invalid_packet: P.Data Offset(0) too small ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. dccp_invalid_packet: P.Data Offset(0) too small loop4: p2 < > IPv6: ADDRCONF(NETDEV_CHANGE): vcan29: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan30: link becomes ready kauditd_printk_skb: 16 callbacks suppressed audit: type=1804 audit(1601084896.973:33): pid=10405 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-testdir313247462/syzkaller.EvhikJ/98/bus" dev="sda1" ino=15993 res=1 ldm_parse_privhead(): Cannot find PRIVHEAD structure. LDM database is corrupt. Aborting. ldm_validate_privheads(): Cannot find PRIVHEAD 1. loop4: p2 < >