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UBSAN: shift-out-of-bounds in net/sched/sch_api.c:389:22
shift exponent 251 is too large for 32-bit type 'int'
CPU: 1 PID: 15491 Comm: syz-executor.5 Not tainted 5.11.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:120
 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148
 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:395
 __detect_linklayer net/sched/sch_api.c:389 [inline]
 qdisc_get_rtab net/sched/sch_api.c:435 [inline]
 qdisc_get_rtab.cold+0x1d/0x90 net/sched/sch_api.c:409
 tcf_police_init+0xfff/0x1460 net/sched/act_police.c:113
 tcf_action_init_1+0x103/0x640 net/sched/act_api.c:1026
 tcf_exts_validate+0x1d7/0x540 net/sched/cls_api.c:3051
 tcindex_set_parms+0x182/0x2370 net/sched/cls_tcindex.c:342
 tcindex_change+0x212/0x320 net/sched/cls_tcindex.c:546
 tc_new_tfilter+0x1394/0x2120 net/sched/cls_api.c:2127
 rtnetlink_rcv_msg+0x80e/0xad0 net/core/rtnetlink.c:5544
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x331/0x810 net/socket.c:2345
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399
 __sys_sendmmsg+0x195/0x470 net/socket.c:2489
 __do_sys_sendmmsg net/socket.c:2518 [inline]
 __se_sys_sendmmsg net/socket.c:2515 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2515
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e219
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:00007f87ea78ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045e219
RDX: 010efe10675dec16 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 000000000119c070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034
R13: 00007ffee136b7ef R14: 00007f87ea78f9c0 R15: 000000000119c034
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