================================================================================ 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: 9925 Comm: syz-executor.3 Not tainted 4.19.148-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 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45dd99 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:00007f80dac98c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045dd99 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffead137daf R14: 00007f80dac999c0 R15: 000000000118bf2c ================================================================================ bridge0: port 3(ipvlan2) entered blocking state bridge0: port 3(ipvlan2) entered disabled state bridge0: port 3(ipvlan2) entered blocking state bridge0: port 3(ipvlan2) entered disabled state device bond0 entered promiscuous mode device bond_slave_0 entered promiscuous mode device bond_slave_1 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=10119 comm=syz-executor.1 netlink: 'syz-executor.1': attribute type 5 has an invalid length. audit: type=1800 audit(1601353781.635:20): pid=10128 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15856 res=0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=10133 comm=syz-executor.1 audit: type=1800 audit(1601353781.665:21): pid=10128 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15856 res=0 audit: type=1800 audit(1601353781.855:22): pid=10136 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15919 res=0 audit: type=1800 audit(1601353781.865:23): pid=10136 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15919 res=0 audit: type=1800 audit(1601353782.125:24): pid=10156 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15856 res=0 audit: type=1800 audit(1601353782.195:25): pid=10156 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15856 res=0 netlink: 'syz-executor.1': attribute type 5 has an invalid length. 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. list_del corruption, ffff888095707a90->next is LIST_POISON1 (dead000000000100) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:45! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 10205 Comm: syz-executor.0 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid.cold+0x2c/0x43 lib/list_debug.c:45 Code: e2 48 c7 c7 20 f4 51 88 e8 e3 bf b8 fd 0f 0b 48 c7 c7 c0 49 18 8a e8 76 73 13 00 4c 89 ea 48 c7 c7 c0 f3 51 88 e8 c6 bf b8 fd <0f> 0b 48 c7 c7 00 4a 18 8a e8 59 73 13 00 90 90 90 90 90 90 90 90 RSP: 0018:ffff888095707970 EFLAGS: 00010086 RAX: 000000000000004e RBX: ffff888095707a78 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815b523f RDI: ffffed1012ae0f20 RBP: ffff888096788000 R08: 000000000000004e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000002 R12: dead000000000200 R13: dead000000000100 R14: ffff888095707a98 R15: 0000000000000007 FS: 00007fc9eac67700(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a5374 CR3: 000000008f21b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] __remove_wait_queue include/linux/wait.h:184 [inline] remove_wait_queue+0x2c/0x180 kernel/sched/wait.c:44 __tipc_sendstream+0x373/0x9d0 net/tipc/socket.c:1446 tipc_sendstream+0x4c/0x70 net/tipc/socket.c:1411 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 sock_write_iter+0x287/0x3c0 net/socket.c:901 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45dd99 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:00007fc9eac66c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000039600 RCX: 000000000045dd99 RDX: 00000000fffffd6d RSI: 00000000200015c0 RDI: 0000000000000005 RBP: 000000000118c008 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4 R13: 00007ffde6a9d42f R14: 00007fc9eac679c0 R15: 000000000118bfd4 Modules linked in: ---[ end trace 6924b708c3451b86 ]--- RIP: 0010:__list_del_entry_valid.cold+0x2c/0x43 lib/list_debug.c:45 Code: e2 48 c7 c7 20 f4 51 88 e8 e3 bf b8 fd 0f 0b 48 c7 c7 c0 49 18 8a e8 76 73 13 00 4c 89 ea 48 c7 c7 c0 f3 51 88 e8 c6 bf b8 fd <0f> 0b 48 c7 c7 00 4a 18 8a e8 59 73 13 00 90 90 90 90 90 90 90 90 RSP: 0018:ffff888095707970 EFLAGS: 00010086 RAX: 000000000000004e RBX: ffff888095707a78 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815b523f RDI: ffffed1012ae0f20 RBP: ffff888096788000 R08: 000000000000004e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000002 R12: dead000000000200 R13: dead000000000100 R14: ffff888095707a98 R15: 0000000000000007 FS: 00007fc9eac67700(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a5374 CR3: 000000008f21b000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400