================================================================================
UBSAN: Undefined behaviour in ./include/net/sch_generic.h:1051:7
shift exponent 129 is too large for 32-bit type 'int'
CPU: 0 PID: 31198 Comm: syz-executor.4 Not tainted 4.19.149-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
 qdisc_l2t include/net/sch_generic.h:1051 [inline]
 cbq_update net/sched/sch_cbq.c:567 [inline]
 cbq_dequeue.cold+0x189/0x18e net/sched/sch_cbq.c:814
 dequeue_skb net/sched/sch_generic.c:282 [inline]
 qdisc_restart net/sched/sch_generic.c:385 [inline]
 __qdisc_run+0x1b9/0x1680 net/sched/sch_generic.c:403
 __dev_xmit_skb net/core/dev.c:3500 [inline]
 __dev_queue_xmit+0x15ef/0x2ec0 net/core/dev.c:3807
 neigh_hh_output include/net/neighbour.h:491 [inline]
 neigh_output include/net/neighbour.h:499 [inline]
 ip6_finish_output2+0xe78/0x2370 net/ipv6/ip6_output.c:120
 ip6_finish_output+0x610/0xcc0 net/ipv6/ip6_output.c:154
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip6_output+0x205/0x7c0 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:455 [inline]
 ip6_local_out+0xaf/0x170 net/ipv6/output_core.c:178
 ip6_send_skb+0xb3/0x300 net/ipv6/ip6_output.c:1699
 udp_v6_send_skb+0x7d6/0x16e0 net/ipv6/udp.c:1114
 udpv6_sendmsg+0x2406/0x2b40 net/ipv6/udp.c:1411
 inet_sendmsg+0x174/0x640 net/ipv4/af_inet.c:798
 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: 0033:0x45de29
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:00007f6b346c0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002e700 RCX: 000000000045de29
RDX: 0000000000000000 RSI: 0000000020000b80 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fffcb02082f R14: 00007f6b346c19c0 R15: 000000000118bf2c
================================================================================
mmap: syz-executor.4 (31606) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst.