================================================================================ 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: 12752 Comm: syz-executor.4 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_netiface_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 audit: type=1804 audit(1601812757.378:31): pid=12765 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-testdir363636107/syzkaller.c23Zss/319/bus" dev="sda1" ino=16254 res=1 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: 0033:0x45de89 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:00007fa4fa6ffc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de89 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc754352ff R14: 00007fa4fa7009c0 R15: 000000000118bf2c ================================================================================ nla_parse: 9 callbacks suppressed netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1326 audit(1601812758.158:32): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12775 comm="syz-executor.3" exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=228 compat=0 ip=0x460cea code=0x7ffc0000 audit: type=1326 audit(1601812758.158:33): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12775 comm="syz-executor.3" exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45de89 code=0x7ffc0000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. kauditd_printk_skb: 17 callbacks suppressed audit: type=1804 audit(1601812760.389:51): pid=12953 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-testdir363636107/syzkaller.c23Zss/322/bus" dev="sda1" ino=16269 res=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1804 audit(1601812761.679:52): pid=13044 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-testdir363636107/syzkaller.c23Zss/326/bus" dev="sda1" ino=16277 res=1 audit: type=1804 audit(1601812762.549:53): pid=13115 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-testdir363636107/syzkaller.c23Zss/327/bus" dev="sda1" ino=16268 res=1 nla_parse: 4 callbacks suppressed netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. bridge0: port 1(bridge_slave_0) entered disabled state bridge0: port 2(bridge_slave_1) entered disabled state netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1804 audit(1601812763.529:54): pid=13177 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-testdir363636107/syzkaller.c23Zss/328/bus" dev="sda1" ino=16296 res=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1804 audit(1601812764.399:55): pid=13226 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-testdir363636107/syzkaller.c23Zss/329/bus" dev="sda1" ino=16294 res=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1804 audit(1601812765.289:56): pid=13274 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-testdir363636107/syzkaller.c23Zss/330/bus" dev="sda1" ino=16317 res=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1804 audit(1601812766.159:57): pid=13317 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-testdir363636107/syzkaller.c23Zss/331/bus" dev="sda1" ino=16314 res=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1804 audit(1601812767.009:58): pid=13366 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-testdir363636107/syzkaller.c23Zss/332/bus" dev="sda1" ino=15905 res=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. audit: type=1804 audit(1601812767.279:59): pid=13388 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-testdir363636107/syzkaller.c23Zss/333/bus" dev="sda1" ino=16330 res=1