================================================================================
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: 2612 Comm: syz-executor.5 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_netportnet_create.cold+0x1a/0x47 net/netfilter/ipset/ip_set_hash_gen.h:1290
 ip_set_create+0x714/0x1430 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: 0033:0x45de59
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
RSP: 002b:00007fe8ad34ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe8dc342ff R14: 00007fe8ad34b9c0 R15: 000000000118bf2c
================================================================================
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off.
overlayfs: maximum fs stacking depth exceeded
overlayfs: filesystem on './bus' not supported as upperdir
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.
netlink: 'syz-executor.2': attribute type 4 has an invalid length.
netlink: 'syz-executor.2': attribute type 4 has an invalid length.
netlink: 'syz-executor.2': attribute type 4 has an invalid length.
netlink: 'syz-executor.2': attribute type 4 has an invalid length.
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.
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(1603279322.439:106): avc:  denied  { name_bind } for  pid=2875 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(1603279322.469:107): avc:  denied  { node_bind } for  pid=2875 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
Process accounting resumed
9pnet: p9_fd_create_unix (2904): problem connecting socket: éq‰Y’3aK: -111
9pnet: p9_fd_create_unix (2913): problem connecting socket: éq‰Y’3aK: -111
Process accounting resumed
9pnet: p9_fd_create_unix (2934): problem connecting socket: éq‰Y’3aK: -111
9pnet: p9_fd_create_unix (2947): problem connecting socket: éq‰Y’3aK: -111
Process accounting resumed
Process accounting resumed
Process accounting resumed
Process accounting resumed
Process accounting resumed
Process accounting resumed
audit: type=1804 audit(1603279325.309:108): pid=3025 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir879919959/syzkaller.u86tuH/660/bus" dev="sda1" ino=15941 res=1
audit: type=1804 audit(1603279325.389:109): pid=3031 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir879919959/syzkaller.u86tuH/660/bus" dev="sda1" ino=15941 res=1
audit: type=1804 audit(1603279325.880:110): pid=3039 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir879919959/syzkaller.u86tuH/661/bus" dev="sda1" ino=16162 res=1
audit: type=1804 audit(1603279326.120:111): pid=3059 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir879919959/syzkaller.u86tuH/662/bus" dev="sda1" ino=16245 res=1
audit: type=1804 audit(1603279326.460:112): pid=3069 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir879919959/syzkaller.u86tuH/663/bus" dev="sda1" ino=16162 res=1