================================================================================ 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: 8832 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_ipport_create.cold+0x1a/0x2d 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:00007f5519b9bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de29 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff98796bef R14: 00007f5519b9c9c0 R15: 000000000118bf2c ================================================================================ IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready audit: type=1804 audit(1602021246.933:36): pid=8849 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-testdir557633363/syzkaller.HJTr2u/24/memory.events" dev="sda1" ino=15848 res=1 x_tables: eb_tables: AUDIT.0 target: invalid size 8 (kernel) != (user) 0 audit: type=1800 audit(1602021246.963:37): pid=8849 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="memory.events" dev="sda1" ino=15848 res=0 audit: type=1804 audit(1602021246.963:38): pid=8849 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-testdir557633363/syzkaller.HJTr2u/24/memory.events" dev="sda1" ino=15848 res=1 audit: type=1804 audit(1602021247.453:39): pid=8884 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir169940024/syzkaller.JWnsYH/30/cgroup.controllers" dev="sda1" ino=15846 res=1 xt_l2tp: v2 sid > 0xffff: 262144 netlink: 'syz-executor.2': attribute type 2 has an invalid length. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=112 sclass=netlink_route_socket pid=8925 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=112 sclass=netlink_route_socket pid=8935 comm=syz-executor.0 Bluetooth: hci0: command 0x0c20 tx timeout xt_l2tp: v2 sid > 0xffff: 262144 netlink: 104 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 104 bytes leftover after parsing attributes in process `syz-executor.2'. IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 ebt_limit: overflow, try lower: 0/0 ebt_limit: overflow, try lower: 0/0 IPVS: ftp: loaded support on port[0] = 21 Cannot find add_set index 0 as target IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 tc_dump_action: action bad kind netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. batman_adv: Cannot find parent device netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. IPVS: ftp: loaded support on port[0] = 21 xt_physdev: --physdev-out and --physdev-is-out only supported in the FORWARD and POSTROUTING chains with bridged traffic xt_physdev: --physdev-out and --physdev-is-out only supported in the FORWARD and POSTROUTING chains with bridged traffic IPVS: ftp: loaded support on port[0] = 21 kauditd_printk_skb: 4 callbacks suppressed audit: type=1804 audit(1602021254.353:44): pid=9465 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir169940024/syzkaller.JWnsYH/41/cgroup.controllers" dev="sda1" ino=15865 res=1 IPVS: ftp: loaded support on port[0] = 21 netlink: 104 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 104 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 'syz-executor.1': attribute type 11 has an invalid length. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. ------------[ cut here ]------------ hsr_addr_subst_dest: Unknown node WARNING: CPU: 1 PID: 9592 at net/hsr/hsr_framereg.c:313 hsr_addr_subst_dest+0x3e8/0x480 net/hsr/hsr_framereg.c:313