================================================================================ UBSAN: Undefined behaviour in net/sched/act_police.c:161:27 shift exponent 45 is too large for 32-bit type 'int' CPU: 0 PID: 25446 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 tcf_police_init.cold+0x34/0x86 net/sched/act_police.c:161 tcf_action_init_1+0x962/0xc40 net/sched/act_api.c:870 tcf_action_init+0x2c3/0x490 net/sched/act_api.c:933 tcf_action_add+0xd9/0x360 net/sched/act_api.c:1314 tc_ctl_action+0x337/0x417 net/sched/act_api.c:1369 rtnetlink_rcv_msg+0x498/0xc10 net/core/rtnetlink.c:4778 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 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+0x3b3/0x8f0 net/socket.c:2115 __sys_sendmmsg+0x195/0x470 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236 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:00007f99dab06c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000027f40 RCX: 000000000045dd99 RDX: 010efe10675dec16 RSI: 0000000020000200 RDI: 0000000000000003 RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fffa91fc2ef R14: 00007f99dab079c0 R15: 000000000118bf2c ================================================================================ IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1601438465.945:81): pid=25513 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-testdir509545662/syzkaller.0Df0nV/1160/cgroup.controllers" dev="sda1" ino=17773 res=1 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. IPVS: ftp: loaded support on port[0] = 21 MINIX-fs: mounting unchecked file system, running fsck is recommended EXT4-fs (loop1): Ignoring removed mblk_io_submit option EXT4-fs (loop1): can't read group descriptor 0 netlink: 'syz-executor.5': attribute type 16 has an invalid length. netlink: 'syz-executor.5': attribute type 16 has an invalid length. audit: type=1400 audit(1601438468.565:82): avc: denied { sys_admin } for pid=25737 comm="syz-executor.1" capability=21 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. vivid-001: disconnect veth0: FDB only supports static addresses device geneve2 entered promiscuous mode vivid-001: reconnect vivid-001: disconnect vivid-001: reconnect vivid-001: disconnect vivid-001: reconnect netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. UDF-fs: error (device loop1): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: error (device loop1): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 1296 UDF-fs: error (device loop1): udf_read_inode: (ino 1296) failed !bh UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop1): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: error (device loop1): udf_process_sequence: Primary Volume Descriptor not found! UDF-fs: error (device loop1): udf_read_tagged: tag version 0x0000 != 0x0002 || 0x0003, block 1296 UDF-fs: error (device loop1): udf_read_inode: (ino 1296) failed !bh UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop1): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop1): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 4096 failed syz-executor.3 uses obsolete (PF_INET,SOCK_PACKET) kvm: pic: non byte read kvm: pic: non byte read kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: single mode not supported kvm: pic: non byte read kvm: pic: non byte read kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: level sensitive irq not supported kvm: pic: single mode not supported kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: level sensitive irq not supported kvm: pic: single mode not supported kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: level sensitive irq not supported kvm: pic: single mode not supported kvm: pic: single mode not supported kvm: pic: level sensitive irq not supported kvm: pic: level sensitive irq not supported kvm: pic: single mode not supported kvm: pic: single mode not supported