================================================================================
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: 14567 Comm: syz-executor.0 Not tainted 4.19.152-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_netnet_create.cold+0x1a/0x22 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
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=512, location=512
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45de59
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
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
RSP: 002b:00007fc7e94aec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fffb8c2072f R14: 00007fc7e94af9c0 R15: 000000000118bf2c
================================================================================
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=256, location=256
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=512, location=512
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=256, location=256
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=512, location=512
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop5): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
device macvlan2 entered promiscuous mode
device bridge1 entered promiscuous mode
bond0: Enslaving macvlan2 as an active interface with an up link
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
kvm_set_msr_common: 7 callbacks suppressed
kvm [14859]: vcpu0, guest rIP: 0xfff0 disabled perfctr wrmsr: 0xc2 data 0x3ad6e37883b8e6ec
new mount options do not match the existing superblock, will be ignored
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
device macvlan3 entered promiscuous mode
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
new mount options do not match the existing superblock, will be ignored
kvm [14890]: vcpu0, guest rIP: 0xfff0 disabled perfctr wrmsr: 0xc2 data 0x3ad6e37883b8e6ec
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
device macvlan3 entered promiscuous mode
device bridge2 entered promiscuous mode
bond0: Enslaving macvlan3 as an active interface with an up link
kvm [14926]: vcpu0, guest rIP: 0xfff0 disabled perfctr wrmsr: 0xc2 data 0x3ad6e37883b8e6ec
kvm [14942]: vcpu0, guest rIP: 0xfff0 disabled perfctr wrmsr: 0xc2 data 0x3ad6e37883b8e6ec
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
device macvlan4 entered promiscuous mode
device bridge3 entered promiscuous mode
bond0: Enslaving macvlan4 as an active interface with an up link
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
SELinux:  Context unconfined_u: is not valid (left unmapped).
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'.
device macvlan5 entered promiscuous mode
device bridge4 entered promiscuous mode
bond0: Enslaving macvlan5 as an active interface with an up link
audit: type=1400 audit(1603101198.050:72): avc:  denied  { write } for  pid=15037 comm="syz-executor.2" path="socket:[50537]" dev="sockfs" ino=50537 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1
overlayfs: filesystem on './bus' not supported as upperdir
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.