================================================================================ 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: 10861 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_net_create.cold+0x1a/0x1f 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: 0033:0x45de59 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:00007f53b528dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff1d195a0f R14: 00007f53b528e9c0 R15: 000000000118bf2c ================================================================================ A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. xt_cgroup: invalid path, errno=-2 A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. A link change request failed with some changes committed already. Interface syz_tun may have been left with an inconsistent configuration, please check. ip6t_srh: unknown srh invflags 4000 ip6t_srh: unknown srh invflags 4000 binder: 11122:11126 unknown command 0 binder: 11122:11126 ioctl c0306201 20000740 returned -22 binder: 11138:11142 unknown command 0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. binder: 11138:11142 ioctl c0306201 20000740 returned -22 ip6t_srh: unknown srh invflags 4000 kauditd_printk_skb: 5 callbacks suppressed audit: type=1400 audit(1602279948.375:55): avc: denied { create } for pid=11148 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 ip6t_srh: unknown srh invflags 4000 binder: 11160:11161 unknown command 0 binder: 11160:11161 ioctl c0306201 20000740 returned -22 audit: type=1326 audit(1602279948.745:56): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=11163 comm="syz-executor.5" exe="/root/syz-executor.5" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0 binder: 11169:11172 unknown command 0 ip6t_srh: unknown srh invflags 4000 binder: 11169:11172 ioctl c0306201 20000740 returned -22 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. raw_sendmsg: syz-executor.4 forgot to set AF_INET. Fix it! audit: type=1326 audit(1602279949.585:57): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=11163 comm="syz-executor.5" exe="/root/syz-executor.5" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0 audit: type=1326 audit(1602279949.925:58): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=11207 comm="syz-executor.5" exe="/root/syz-executor.5" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0 Process accounting resumed netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'. Process accounting resumed audit: type=1326 audit(1602279950.995:59): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=11236 comm="syz-executor.5" exe="/root/syz-executor.5" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0 Process accounting resumed audit: type=1326 audit(1602279952.375:60): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=11252 comm="syz-executor.5" exe="/root/syz-executor.5" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'.