================================================================================
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: 12196 Comm: syz-executor.1 Not tainted 4.19.150-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]
 ip_finish_output2+0xc04/0x1640 net/ipv4/ip_output.c:230
 ip_finish_output+0x88e/0xd80 net/ipv4/ip_output.c:318
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip_output+0x203/0x650 net/ipv4/ip_output.c:406
 dst_output include/net/dst.h:455 [inline]
 ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125
 ip_send_skb net/ipv4/ip_output.c:1447 [inline]
 ip_push_pending_frames+0x8b/0x140 net/ipv4/ip_output.c:1467
 raw_sendmsg+0x1fc3/0x2b70 net/ipv4/raw.c:677
 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_sendto+0x21a/0x320 net/socket.c:1787
 __do_sys_sendto net/socket.c:1799 [inline]
 __se_sys_sendto net/socket.c:1795 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1795
 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:00007fd2e1649c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000000000002e880 RCX: 000000000045de59
RDX: 0000000000000001 RSI: 0000000020000300 RDI: 0000000000000003
RBP: 000000000118bf78 R08: 0000000020000000 R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffcbce475cf R14: 00007fd2e164a9c0 R15: 000000000118bf2c
================================================================================
x_tables: duplicate underflow at hook 2
netlink: 56 bytes leftover after parsing attributes in process `syz-executor.2'.
x_tables: duplicate underflow at hook 1
x_tables: duplicate underflow at hook 1
x_tables: duplicate underflow at hook 2
x_tables: duplicate underflow at hook 2
x_tables: duplicate underflow at hook 2
netlink: 'syz-executor.4': attribute type 1 has an invalid length.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 'syz-executor.4': attribute type 1 has an invalid length.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 'syz-executor.2': attribute type 1 has an invalid length.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 'syz-executor.2': attribute type 1 has an invalid length.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 96 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 96 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 96 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 96 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 96 bytes leftover after parsing attributes in process `syz-executor.0'.
x_tables: duplicate underflow at hook 2
x_tables: duplicate underflow at hook 2