================================================================================ 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: 0 PID: 8863 Comm: syz-executor.5 Not tainted 4.19.149-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: 0033:0x45de29 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:00007faa364b2c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de29 RDX: 0000000000000000 RSI: 0000000020001080 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffd2cd17c4f R14: 00007faa364b39c0 R15: 000000000118bf2c ================================================================================ sctp: [Deprecated]: syz-executor.2 (pid 8893) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor.2 (pid 8893) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead netlink: 'syz-executor.2': attribute type 5 has an invalid length. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. sctp: [Deprecated]: syz-executor.2 (pid 9104) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor.2 (pid 9104) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead syz-executor.4 (9151) used greatest stack depth: 23664 bytes left kauditd_printk_skb: 3 callbacks suppressed audit: type=1804 audit(1601939747.840:22): pid=9169 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-testdir862620527/syzkaller.p5P2U2/44/memory.events" dev="sda1" ino=15876 res=1 audit: type=1800 audit(1601939747.840:23): pid=9169 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=15876 res=0 audit: type=1804 audit(1601939747.840:24): pid=9170 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir806660228/syzkaller.fKA1Ze/25/memory.events" dev="sda1" ino=15877 res=1 netlink: 148 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. audit: type=1800 audit(1601939747.840:25): pid=9170 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="memory.events" dev="sda1" ino=15877 res=0 Enabling of bearer rejected, illegal name audit: type=1804 audit(1601939747.840:26): pid=9170 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir806660228/syzkaller.fKA1Ze/25/memory.events" dev="sda1" ino=15877 res=1 audit: type=1800 audit(1601939747.950:27): pid=9170 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="memory.events" dev="sda1" ino=15877 res=0 audit: type=1804 audit(1601939747.950:28): pid=9170 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir806660228/syzkaller.fKA1Ze/25/memory.events" dev="sda1" ino=15877 res=1 8021q: VLANs not supported on lo audit: type=1800 audit(1601939748.800:29): pid=9233 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.2" name="memory.events" dev="sda1" ino=15886 res=0 audit: type=1804 audit(1601939748.800:30): pid=9235 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir301230318/syzkaller.z9OYTX/37/memory.events" dev="sda1" ino=15886 res=1 netlink: 148 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'. Enabling of bearer rejected, illegal name xt_HMARK: spi-set and port-set can't be combined xt_HMARK: spi-set and port-set can't be combined netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. xt_HMARK: spi-set and port-set can't be combined bond0: Enslaving geneve2 as an active interface with an up link device geneve2 entered promiscuous mode xt_HMARK: spi-set and port-set can't be combined netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. device geneve2 entered promiscuous mode netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state bridge1: port 1(bridge_slave_0) entered blocking state xt_HMARK: spi-set and port-set can't be combined bridge1: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge1: port 1(bridge_slave_0) entered blocking state bridge1: port 1(bridge_slave_0) entered forwarding state bridge1: port 1(bridge_slave_0) entered blocking state bridge1: port 1(bridge_slave_0) entered forwarding state xt_HMARK: spi-set and port-set can't be combined netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. bridge1: port 1(bridge_slave_0) entered blocking state bridge1: port 1(bridge_slave_0) entered forwarding state audit: type=1804 audit(1601939751.690:31): pid=9458 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir301230318/syzkaller.z9OYTX/45/cgroup.controllers" dev="sda1" ino=15869 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 netlink: 'syz-executor.2': attribute type 3 has an invalid length. IPVS: You probably need to specify IP address on multicast interface. IPVS: Error connecting to the multicast addr IPVS: ftp: loaded support on port[0] = 21 netlink: 'syz-executor.2': attribute type 3 has an invalid length. IPVS: sync thread started: state = MASTER, mcast_ifn = lo, syncid = 1023, id = 0 IPVS: ftp: loaded support on port[0] = 21 openvswitch: netlink: Message has 1 unknown bytes. audit: type=1804 audit(1601939753.900:32): pid=9707 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-testdir813912662/syzkaller.E0aZhr/73/cgroup.controllers" dev="sda1" ino=15923 res=1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'.