================================================================================ 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: 1 PID: 12346 Comm: syz-executor.0 Not tainted 4.19.150-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_ipportip_create.cold+0x1a/0x21 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 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 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:00007f7375e8ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020001080 RDI: 0000000000000009 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc8843b5df R14: 00007f7375e8b9c0 R15: 000000000118bf2c ================================================================================ FAT-fs (loop5): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) device veth3 left promiscuous mode bridge0: port 3(veth3) entered disabled state [U] [U] [U] audit: type=1400 audit(1602778106.843:26): avc: denied { set_context_mgr } for pid=12392 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=binder permissive=1 binder: 12392:12399 unknown command 0 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. binder: 12392:12399 ioctl c0306201 20000200 returned -22 binder: 12392:12399 unknown command 0 binder: 12392:12399 ioctl c0306201 20000200 returned -22 bridge0: port 3(veth3) entered blocking state bridge0: port 3(veth3) entered disabled state [U] [U] device veth3 entered promiscuous mode [U] [U] [U] [U] [U] [U] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [U] [U] [U] [U] [U] [U] [U] [U] bridge0: port 4(veth5) entered blocking state [U] [U] [U] [U] bridge0: port 4(veth5) entered disabled state audit: type=1804 audit(1602778107.323:27): pid=12426 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir648686300/syzkaller.35O8Jd/305/file1/file0" dev="loop1" ino=6 res=1 device veth5 entered promiscuous mode [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] device veth5 left promiscuous mode bridge0: port 4(veth5) entered disabled state [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] audit: type=1804 audit(1602778107.893:28): pid=12452 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir112334439/syzkaller.RJXpZY/315/bus" dev="sda1" ino=16175 res=1 [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] kauditd_printk_skb: 6 callbacks suppressed audit: type=1800 audit(1602778110.103:35): pid=12539 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=15793 res=0 [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] [U] SELinux: unrecognized netlink message: protocol=6 nlmsg_type=15 sclass=netlink_xfrm_socket pid=12740 comm=syz-executor.3 [U] [U] [U] [U] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=12760 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=12764 comm=syz-executor.0 [U] [U] netlink: 208 bytes leftover after parsing attributes in process `syz-executor.3'. [U] netlink: 208 bytes leftover after parsing attributes in process `syz-executor.3'. [U] [U] [U] [U] [U] [U] [U] netlink: 64 bytes leftover after parsing attributes in process `syz-executor.3'. IPVS: ftp: loaded support on port[0] = 21 [U] [U] [U] [U] netlink: 168 bytes leftover after parsing attributes in process `syz-executor.3'. [U] [U] IPVS: ftp: loaded support on port[0] = 21 netlink: 168 bytes leftover after parsing attributes in process `syz-executor.3'. [U] [U] [U] [U] netlink: 232 bytes leftover after parsing attributes in process `syz-executor.3'. IPVS: ftp: loaded support on port[0] = 21 [U] [U] [U] [U] [U] [U] [U] [U] [U] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. IPVS: ftp: loaded support on port[0] = 21 [U] netlink: 'syz-executor.0': attribute type 19 has an invalid length. netlink: 'syz-executor.0': attribute type 19 has an invalid length. [U] [U] [U] [U] IPVS: ftp: loaded support on port[0] = 21 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. [U] [U] [U] [U]