================================================================================
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: 8317 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
 htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline]
 hash_netportnet_create.cold+0x1a/0x23 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:00007fce959cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045e179
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffe732cf11f R14: 00007fce959cb9c0 R15: 000000000118cf4c
================================================================================
audit: type=1400 audit(1601318950.706:24): avc:  denied  { create } for  pid=8331 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1
netlink: 'syz-executor.5': attribute type 4 has an invalid length.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'.
team0: Device ipvlan1 failed to register rx_handler
team0: Device ipvlan1 failed to register rx_handler
team0: Device ipvlan1 failed to register rx_handler
audit: type=1400 audit(1601318954.446:25): avc:  denied  { sys_admin } for  pid=8487 comm="syz-executor.2" capability=21  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1
team0: Device ipvlan1 failed to register rx_handler
audit: type=1400 audit(1601318955.316:26): avc:  denied  { name_bind } for  pid=8513 comm="syz-executor.0" 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(1601318955.316:27): avc:  denied  { node_bind } for  pid=8513 comm="syz-executor.0" 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(1601318955.356:28): avc:  denied  { name_connect } for  pid=8513 comm="syz-executor.0" dest=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
netlink: 'syz-executor.3': attribute type 29 has an invalid length.
netlink: 'syz-executor.3': attribute type 29 has an invalid length.
netlink: 'syz-executor.3': attribute type 29 has an invalid length.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
syz-executor.4 (8622) used greatest stack depth: 23504 bytes left
A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
IPv6: ADDRCONF(NETDEV_UP): veth3: link is not ready
team0: Port device veth3 added
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