================================================================================ 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: 0 PID: 11052 Comm: syz-executor.4 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_netport_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: 0033:0x45dd99 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:00007f7da737ec78 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: 00007ffe969f736f R14: 00007f7da737f9c0 R15: 000000000118bf2c ================================================================================ UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No fileset found UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! FAT-fs (loop4): Directory bread(block 5) failed UDF-fs: warning (device loop5): udf_fill_super: No fileset found FAT-fs (loop4): Directory bread(block 6) failed UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No fileset found IPVS: ftp: loaded support on port[0] = 21 UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No fileset found UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No fileset found netlink: 1276 bytes leftover after parsing attributes in process `syz-executor.3'. IPVS: ftp: loaded support on port[0] = 21 UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! IPVS: ftp: loaded support on port[0] = 21 UDF-fs: warning (device loop5): udf_fill_super: No fileset found UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No fileset found audit: type=1804 audit(1601456088.188:32): pid=11308 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name=2F726F6F742F73797A6B616C6C65722D746573746469723336393838373031362F73797A6B616C6C65722E5A5A653970302F3231342F66696C65302F131377C5FC35D41454D5D41D29AD1A6029598146E6BE166E41AD0DBD4054033C9F33BBDA8224A2F3D772E7636E48B33CBF708372E8F1B9933EC5127743BE2206209EF02DF9CBF2F6E880D3382F66696C6530 dev="sda1" ino=16037 res=1 UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No fileset found UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No fileset found UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) netlink: 68 bytes leftover after parsing attributes in process `syz-executor.0'. UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! netlink: 68 bytes leftover after parsing attributes in process `syz-executor.0'. UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) IPVS: Scheduler module ip_vs_ not found UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No partition found (2) UDF-fs: error (device loop5): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop5): udf_fill_super: No fileset found