================================================================================ 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: 18756 Comm: syz-executor.5 Not tainted 4.19.152-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_netnet_create.cold+0x1a/0x46 net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x714/0x1430 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: 0033:0x45de59 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:00007fbb14a75c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc0f60cfef R14: 00007fbb14a769c0 R15: 000000000118bf2c ================================================================================ xt_CT: You must specify a L4 protocol and not use inversions on it audit: type=1804 audit(1603311555.993:18): pid=18896 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir698366593/syzkaller.DNiXsR/627/bus" dev="sda1" ino=16082 res=1 IPVS: sync thread started: state = BACKUP, mcast_ifn = veth0_to_bond, syncid = 0, id = 0 IPVS: stopping backup sync thread 18914 ... IPVS: stopping backup sync thread 18926 ... IPVS: sync thread started: state = BACKUP, mcast_ifn = veth0_to_bond, syncid = 0, id = 0 audit: type=1804 audit(1603311556.752:19): pid=18958 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir698366593/syzkaller.DNiXsR/627/bus" dev="sda1" ino=16082 res=1 audit: type=1804 audit(1603311556.752:20): pid=18959 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir698366593/syzkaller.DNiXsR/627/bus" dev="sda1" ino=16082 res=1 audit: type=1804 audit(1603311556.752:21): pid=18958 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir698366593/syzkaller.DNiXsR/627/bus" dev="sda1" ino=16082 res=1 audit: type=1800 audit(1603311557.302:22): pid=19001 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.5" name="cpuacct.usage_all" dev="sda1" ino=16002 res=0 audit: type=1800 audit(1603311557.302:23): pid=19013 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.5" name="cpuacct.usage_all" dev="sda1" ino=16002 res=0 team0: Port device geneve1 added audit: type=1400 audit(1603311558.342:24): avc: denied { name_bind } for pid=19065 comm="syz-executor.2" src=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 audit: type=1400 audit(1603311558.342:25): avc: denied { node_bind } for pid=19065 comm="syz-executor.2" src=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 audit: type=1400 audit(1603311558.342:26): avc: denied { name_connect } for pid=19065 comm="syz-executor.2" dest=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 FAT-fs (loop5): bogus number of FAT sectors FAT-fs (loop5): Can't find a valid FAT filesystem FAT-fs (loop5): bogus number of FAT sectors EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps block group descriptors FAT-fs (loop5): Can't find a valid FAT filesystem EXT4-fs (loop2): group descriptors corrupted! EXT4-fs (loop2): ext4_check_descriptors: Inode table for group 0 overlaps block group descriptors EXT4-fs (loop2): group descriptors corrupted! bridge: RTM_NEWNEIGH with unconfigured vlan 4 on bridge0 xt_CONNSECMARK: only valid in 'mangle' or 'security' table, not 'filter' audit: type=1800 audit(1603311563.650:27): pid=19651 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=16633 res=0 audit: type=1800 audit(1603311563.700:28): pid=19655 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=16633 res=0 netlink: 'syz-executor.0': attribute type 5 has an invalid length.