================================================================================ 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: 8435 Comm: syz-executor.5 Not tainted 4.19.147-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_netnet_create.cold+0x1a/0x22 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: 0033:0x45e179 Code: 3d b2 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 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe9c37a1c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffd86181fef R14: 00007fe9c37a29c0 R15: 000000000118cf4c ================================================================================ bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state device bridge0 entered promiscuous mode netlink: 14 bytes leftover after parsing attributes in process `syz-executor.3'. bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state netlink: 256 bytes leftover after parsing attributes in process `syz-executor.1'. tmpfs: Bad value 'default ' for mount option 'mpol' tmpfs: Bad value 'default ' for mount option 'mpol' ntfs: (device loop0): ntfs_fill_super(): Unable to determine device size. netlink: 25 bytes leftover after parsing attributes in process `syz-executor.1'. ntfs: (device loop0): ntfs_fill_super(): Unable to determine device size. IPv6: ADDRCONF(NETDEV_UP): veth3: link is not ready team0: Port device veth3 added syz-executor.1 (8492) used greatest stack depth: 22960 bytes left IPVS: sync thread started: state = BACKUP, mcast_ifn = vcan0, syncid = 0, id = 0 tmpfs: No value for mount option 'huge' tmpfs: No value for mount option 'huge' netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. Dev loop2: unable to read RDB block 3 loop2: unable to read partition table loop2: partition table beyond EOD, truncated netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. loop_reread_partitions: partition scan of loop2 () failed (rc=-5) netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): veth3: link is not ready Dev loop2: unable to read RDB block 3 loop2: unable to read partition table batman_adv: batadv0: Adding interface: veth3 batman_adv: batadv0: The MTU of interface veth3 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. loop2: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop2 () failed (rc=-5) batman_adv: batadv0: Interface activated: veth3 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. input: syz1 as /devices/virtual/input/input5 IPv6: addrconf: prefix option has invalid lifetime IPv6: addrconf: prefix option has invalid lifetime input: syz1 as /devices/virtual/input/input6 input: syz1 as /devices/virtual/input/input7 input: syz1 as /devices/virtual/input/input8 overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory Enabling of bearer rejected, illegal name netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: './bus' not a directory Enabling of bearer rejected, illegal name netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: './bus' not a directory nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory sit0: Cannot use loopback or non-ethernet device as HSR slave. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. ax25_connect(): syz-executor.5 uses autobind, please contact jreuter@yaina.de UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop2): udf_fill_super: No fileset found overlayfs: './bus' not a directory UDF-fs: error (device loop2): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: warning (device loop2): udf_fill_super: No fileset found overlayfs: './bus' not a directory new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored overlayfs: './bus' not a directory device ip6gretap0 entered promiscuous mode ip6_vti0: Cannot use loopback or non-ethernet device as HSR slave. device ip6gretap0 left promiscuous mode sd 0:0:1:0: [sg0] tag#7504 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#7504 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#7504 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[50]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[60]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[70]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[80]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[90]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#7504 CDB[c0]: 00 00 00 00 00 00 00 00 hub 9-0:1.0: USB hub found hub 9-0:1.0: 8 ports detected hfsplus: session requires an argument hfsplus: unable to parse mount options hfsplus: session requires an argument hfsplus: unable to parse mount options overlayfs: missing 'lowerdir'