================================================================================ 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: 13772 Comm: syz-executor.1 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_ipmac_create.cold+0x1a/0x2b 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 syz-executor.0 (13742) used greatest stack depth: 22672 bytes left __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:00007fd243db5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020001080 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff640d08cf R14: 00007fd243db69c0 R15: 000000000118bf2c ================================================================================ gfs2: commit mount option requires a positive numeric argument gfs2: can't parse mount arguments gfs2: commit mount option requires a positive numeric argument gfs2: can't parse mount arguments TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. gfs2: commit mount option requires a positive numeric argument gfs2: can't parse mount arguments TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. gfs2: commit mount option requires a positive numeric argument gfs2: can't parse mount arguments TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. gfs2: commit mount option requires a positive numeric argument gfs2: can't parse mount arguments TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. device bridge1 entered promiscuous mode device bridge2 entered promiscuous mode bridge1: This device is already a HSR slave. device bridge1 entered promiscuous mode device bridge2 entered promiscuous mode bridge1: This device is already a HSR slave. device bridge5 entered promiscuous mode device bridge6 entered promiscuous mode bridge5: This device is already a HSR slave. device bridge3 entered promiscuous mode device bridge4 entered promiscuous mode bridge3: This device is already a HSR slave. audit: type=1804 audit(1602366380.570:55): pid=14012 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-testdir345625748/syzkaller.BUOzv1/215/bus" dev="sda1" ino=16193 res=1 device bridge7 entered promiscuous mode device bridge8 entered promiscuous mode audit: type=1804 audit(1602366380.600:56): pid=14012 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir345625748/syzkaller.BUOzv1/215/bus" dev="sda1" ino=16193 res=1 bridge7: This device is already a HSR slave. audit: type=1804 audit(1602366380.800:57): pid=14012 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir345625748/syzkaller.BUOzv1/215/bus" dev="sda1" ino=16193 res=1 device bridge5 entered promiscuous mode device bridge6 entered promiscuous mode bridge5: This device is already a HSR slave. audit: type=1804 audit(1602366381.180:58): pid=14054 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-testdir345625748/syzkaller.BUOzv1/216/bus" dev="sda1" ino=16194 res=1 audit: type=1804 audit(1602366381.430:59): pid=14054 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir345625748/syzkaller.BUOzv1/216/bus" dev="sda1" ino=16194 res=1 audit: type=1804 audit(1602366381.500:60): pid=14063 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-testdir487269242/syzkaller.4TkSwh/233/bus" dev="sda1" ino=16197 res=1 audit: type=1804 audit(1602366381.680:61): pid=14061 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir487269242/syzkaller.4TkSwh/233/bus" dev="sda1" ino=16197 res=1 audit: type=1804 audit(1602366381.760:62): pid=14068 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir687485013/syzkaller.DrMwDG/243/bus" dev="sda1" ino=16462 res=1 audit: type=1804 audit(1602366381.910:63): pid=14070 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.5" name="/root/syzkaller-testdir687485013/syzkaller.DrMwDG/243/bus" dev="sda1" ino=16462 res=1 audit: type=1804 audit(1602366382.630:64): pid=14088 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-testdir345625748/syzkaller.BUOzv1/217/bus" dev="sda1" ino=16132 res=1 IPVS: ftp: loaded support on port[0] = 21 binder: 14153:14156 unknown command 0 binder: 14153:14156 ioctl c0306201 20000200 returned -22 binder: 14153:14165 unknown command 0 binder: 14153:14165 ioctl c0306201 20000200 returned -22 binder: 14184:14190 unknown command 0 binder: 14185:14191 unknown command 0 binder: 14184:14190 ioctl c0306201 20000200 returned -22 binder: 14185:14191 ioctl c0306201 20000200 returned -22 IPVS: ftp: loaded support on port[0] = 21