================================================================================
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: 15298 Comm: syz-executor.2 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_ipmark_create.cold+0x19/0x27 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: 0033:0x45dd99
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:00007f7c9dbacc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045dd99
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffc8203afcf R14: 00007f7c9dbad9c0 R15: 000000000118bf2c
================================================================================
audit: type=1804 audit(1601645535.741:94): pid=15289 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir005677762/syzkaller.kwFynQ/252/bus" dev="sda1" ino=16780 res=1
audit: type=1804 audit(1601645535.931:95): pid=15323 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir005677762/syzkaller.kwFynQ/253/bus" dev="sda1" ino=16767 res=1
audit: type=1804 audit(1601645536.321:96): pid=15359 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir005677762/syzkaller.kwFynQ/254/bus" dev="sda1" ino=16768 res=1
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
bridge7: port 1(syz_tun) entered blocking state
bridge7: port 1(syz_tun) entered disabled state
device syz_tun entered promiscuous mode
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'.
device bridge7 entered promiscuous mode
bridge7: port 1(syz_tun) entered blocking state
bridge7: port 1(syz_tun) entered listening state
device bridge7 left promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bridge7: link is not ready
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'.
bridge7: port 1(syz_tun) entered disabled state
device bridge7 entered promiscuous mode
bridge7: port 1(syz_tun) entered blocking state
bridge7: port 1(syz_tun) entered listening state
<
device bridge7 left promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bridge7: link is not ready
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
device syz_tun left promiscuous mode
bridge7: port 1(syz_tun) entered disabled state
bridge8: port 1(syz_tun) entered blocking state
<
bridge8: port 1(syz_tun) entered disabled state
device syz_tun entered promiscuous mode
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'.
device bridge8 entered promiscuous mode
bridge2: port 1(syz_tun) entered blocking state
bridge2: port 1(syz_tun) entered disabled state
device syz_tun entered promiscuous mode
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'.
device bridge2 entered promiscuous mode
bridge8: port 1(syz_tun) entered blocking state
bridge8: port 1(syz_tun) entered listening state
device bridge8 left promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bridge8: link is not ready
<
bridge2: port 1(syz_tun) entered blocking state
bridge2: port 1(syz_tun) entered listening state
device bridge2 left promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bridge2: link is not ready
<
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
hfsplus: invalid uid specified
hfsplus: unable to parse mount options
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
device syz_tun left promiscuous mode
bridge8: port 1(syz_tun) entered disabled state
bridge9: port 1(syz_tun) entered blocking state
bridge9: port 1(syz_tun) entered disabled state
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
bridge2: port 1(syz_tun) entered disabled state
hfsplus: invalid uid specified
hfsplus: unable to parse mount options
bridge3: port 1(syz_tun) entered blocking state
bridge3: port 1(syz_tun) entered disabled state
device syz_tun entered promiscuous mode
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'.
device bridge3 entered promiscuous mode
device bridge9 entered promiscuous mode
bridge3: port 1(syz_tun) entered blocking state
bridge3: port 1(syz_tun) entered listening state
device bridge3 left promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bridge3: link is not ready
bridge9: port 1(syz_tun) entered blocking state
bridge9: port 1(syz_tun) entered listening state
device bridge9 left promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bridge9: link is not ready
device syz_tun left promiscuous mode
hfsplus: invalid uid specified
bridge3: port 1(syz_tun) entered disabled state
hfsplus: unable to parse mount options
bridge4: port 1(syz_tun) entered blocking state
bridge4: port 1(syz_tun) entered disabled state
device syz_tun entered promiscuous mode
device bridge4 entered promiscuous mode
bridge4: port 1(syz_tun) entered blocking state
bridge4: port 1(syz_tun) entered listening state
hfsplus: invalid uid specified
device bridge4 left promiscuous mode
hfsplus: unable to parse mount options
IPv6: ADDRCONF(NETDEV_UP): bridge4: link is not ready
devpts: called with bogus options
device syz_tun left promiscuous mode
bridge9: port 1(syz_tun) entered disabled state
devpts: called with bogus options
bridge10: port 1(syz_tun) entered blocking state
bridge10: port 1(syz_tun) entered disabled state
device syz_tun entered promiscuous mode
device bridge10 entered promiscuous mode
bridge10: port 1(syz_tun) entered blocking state
bridge10: port 1(syz_tun) entered listening state
device bridge10 left promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bridge10: link is not ready
devpts: called with bogus options
overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection.
devpts: called with bogus options
overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off.
overlayfs: filesystem on './file0' not supported as upperdir
devpts: called with bogus options
overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off.
overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off.
audit: type=1400 audit(1601645541.432:97): avc:  denied  { block_suspend } for  pid=15758 comm="syz-executor.4" capability=36  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
overlayfs: conflicting lowerdir path