================================================================================
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: 10161 Comm: syz-executor.4 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
 sock_no_sendpage+0xf5/0x140 net/core/sock.c:2668
 kernel_sendpage net/socket.c:3378 [inline]
 sock_sendpage+0xdf/0x140 net/socket.c:847
 pipe_to_sendpage+0x268/0x330 fs/splice.c:452
 splice_from_pipe_feed fs/splice.c:503 [inline]
 __splice_from_pipe+0x3af/0x820 fs/splice.c:627
 splice_from_pipe fs/splice.c:662 [inline]
 generic_splice_sendpage+0xd4/0x140 fs/splice.c:833
 do_splice_from fs/splice.c:852 [inline]
 do_splice fs/splice.c:1154 [inline]
 __do_sys_splice fs/splice.c:1428 [inline]
 __se_sys_splice+0xf31/0x15f0 fs/splice.c:1408
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45dea9
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:00007fefa20dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00000000000350c0 RCX: 000000000045dea9
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000118bf78 R08: 0000000100000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffd3ea3910f R14: 00007fefa20dd9c0 R15: 000000000118bf2c
================================================================================
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 72 bytes leftover after parsing attributes in process `syz-executor.3'.
XFS (nullb0): Invalid superblock magic number
XFS (nullb0): Invalid superblock magic number
binder: 10354:10356 ioctl 5429 0 returned -22
XFS (nullb0): Invalid superblock magic number
binder: 10354:10363 ioctl 5429 0 returned -22
XFS (nullb0): Invalid superblock magic number
binder: 10405:10408 ioctl 5429 0 returned -22
binder: 10447:10450 ioctl 5429 0 returned -22
nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
binder: 10484:10492 ioctl 5429 0 returned -22
kauditd_printk_skb: 1 callbacks suppressed
audit: type=1400 audit(1601700353.344:28): avc:  denied  { execmod } for  pid=10508 comm="syz-executor.1" path="/root/syzkaller-testdir127215225/syzkaller.cQ7u7Z/69/hugetlb.2MB.limit_in_bytes" dev="sda1" ino=16026 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=file permissive=1
tmpfs: Bad value 'default:' for mount option 'mpol'
tmpfs: Bad value 'default:' for mount option 'mpol'
hpfs: bad mount options.
hpfs: bad mount options.
IPVS: ftp: loaded support on port[0] = 21