================================================================================ 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: 25566 Comm: syz-executor.3 Not tainted 4.19.152-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 netlink: 56 bytes leftover after parsing attributes in process `syz-executor.1'. htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline] hash_ip_create.cold+0x3a/0x44 net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x714/0x1430 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 attempt to access beyond end of device loop2: rw=12288, want=4104, limit=12 __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:00007f66268a9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e attempt to access beyond end of device RAX: ffffffffffffffda RBX: 0000000000029b40 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffdb12f97df R14: 00007f66268aa9c0 R15: 000000000118bf2c ================================================================================ loop2: rw=12288, want=8200, limit=12 attempt to access beyond end of device loop2: rw=12288, want=4104, limit=12 attempt to access beyond end of device loop2: rw=12288, want=8200, limit=12 netlink: 56 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1326 audit(1603285308.695:63): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=25775 comm="syz-executor.5" exe="/root/syz-executor.5" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0 ldm_validate_privheads(): Disk read failed. overlayfs: filesystem on './file1' not supported as upperdir audit: type=1326 audit(1603285309.475:64): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=25775 comm="syz-executor.5" exe="/root/syz-executor.5" sig=9 arch=c000003e syscall=228 compat=0 ip=0x460cba code=0x0 loop4: p2 < > p4 loop4: partition table partially beyond EOD, truncated loop4: p2 size 2 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated ldm_validate_privheads(): Disk read failed. loop4: p2 < > p4 loop4: partition table partially beyond EOD, truncated loop4: p2 size 2 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated netlink: 'syz-executor.2': attribute type 1 has an invalid length. bond2: Enslaving bridge1 as a backup interface with an up link bond2 (unregistering): Releasing backup interface bridge1 ldm_validate_privheads(): Disk read failed. loop4: p2 < > p4 loop4: partition table partially beyond EOD, truncated loop4: p2 size 2 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated bond2 (unregistering): Released all slaves netlink: 'syz-executor.2': attribute type 1 has an invalid length. ldm_validate_privheads(): Disk read failed. loop4: p2 < > p4 loop4: partition table partially beyond EOD, truncated loop4: p2 size 2 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated ldm_validate_privheads(): Disk read failed. loop4: p2 < > p4 loop4: partition table partially beyond EOD, truncated loop4: p2 size 2 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 'syz-executor.2': attribute type 1 has an invalid length. ipt_CLUSTERIP: Please specify an interface name bond2: Enslaving bridge2 as a backup interface with an up link tls_set_device_offload_rx: netdev lo with no TLS offload bond2 (unregistering): Releasing backup interface bridge2 tls_set_device_offload_rx: netdev lo with no TLS offload ldm_validate_privheads(): Disk read failed. loop4: p2 < > p4 loop4: partition table partially beyond EOD, truncated loop4: p2 size 2 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated bond2 (unregistering): Released all slaves ldm_validate_privheads(): Disk read failed. loop4: p2 < > p4 loop4: partition table partially beyond EOD, truncated loop4: p2 size 2 extends beyond EOD, truncated loop4: p4 size 2097152 extends beyond EOD, truncated netlink: 'syz-executor.2': attribute type 1 has an invalid length. bond2: Enslaving bridge3 as a backup interface with an up link bond2 (unregistering): Releasing backup interface bridge3