================================================================================
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: 8314 Comm: syz-executor.4 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_ipmac_create.cold+0x1a/0x2b 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:00007f5cd7a62c78 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: 00007ffd73855e6f R14: 00007f5cd7a639c0 R15: 000000000118cf4c
================================================================================
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 124 bytes leftover after parsing attributes in process `syz-executor.2'.
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=1800 audit(1601291358.397:12): pid=8466 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.5" name="bus" dev="sda1" ino=15814 res=0
audit: type=1804 audit(1601291358.487:13): pid=8475 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-testdir092494803/syzkaller.tIuAmj/23/bus" dev="sda1" ino=15814 res=1
audit: type=1800 audit(1601291358.937:14): pid=8475 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.5" name="bus" dev="sda1" ino=15814 res=0
audit: type=1804 audit(1601291358.987:15): pid=8475 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-testdir092494803/syzkaller.tIuAmj/23/bus" dev="sda1" ino=15814 res=1
audit: type=1800 audit(1601291358.987:16): pid=8475 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=15814 res=0
xt_l2tp: missing protocol rule (udp|l2tpip)
xt_CT: No such helper "pptp"
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.5'.
qfq: no options
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
qfq: no options
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
sctp: [Deprecated]: syz-executor.1 (pid 8646) Use of int in maxseg socket option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor.1 (pid 8650) Use of int in maxseg socket option.
Use struct sctp_assoc_value instead
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
audit: type=1804 audit(1601291361.087:17): pid=8689 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-testdir811125451/syzkaller.KA9uWK/29/bus" dev="sda1" ino=15822 res=1
audit: type=1804 audit(1601291361.897:18): pid=8736 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-testdir811125451/syzkaller.KA9uWK/29/bus" dev="sda1" ino=15822 res=1
audit: type=1804 audit(1601291361.897:19): pid=8737 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-testdir811125451/syzkaller.KA9uWK/29/bus" dev="sda1" ino=15822 res=1
audit: type=1804 audit(1601291361.907:20): pid=8736 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-testdir811125451/syzkaller.KA9uWK/29/bus" dev="sda1" ino=15822 res=1
device ip6gretap0 entered promiscuous mode
ip6tnl0: Cannot use loopback or non-ethernet device as HSR slave.
device ip6gretap0 left promiscuous mode
BTRFS: device label ù devid 0 transid 5 /dev/loop3
x_tables: ip6_tables: REJECT target: used from hooks POSTROUTING, but only usable from INPUT/FORWARD/OUTPUT
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'.
device vxlan0 entered promiscuous mode
device vxlan0 entered promiscuous mode
sch_tbf: burst 0 is lower than device lo mtu (65550) !
sch_tbf: burst 0 is lower than device lo mtu (65550) !
print_req_error: I/O error, dev loop5, sector 2
MINIX-fs: unable to read superblock
audit: type=1800 audit(1601291366.217:21): pid=9123 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="file0" dev="sda1" ino=15888 res=0
FAT-fs (loop2): bogus number of FAT sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
audit: type=1800 audit(1601291366.297:22): pid=9123 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="file0" dev="sda1" ino=15888 res=0
dccp_invalid_packet: pskb_may_pull failed