================================================================================
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: 14857 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
 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+0x1b9/0x1670 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_resolve_output+0x55a/0x950 net/core/neighbour.c:1374
 neigh_output include/net/neighbour.h:501 [inline]
 ip6_finish_output2+0x1184/0x2370 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]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ip6_xmit+0xe46/0x2110 net/ipv6/ip6_output.c:275
 sctp_v6_xmit+0x38e/0x720 net/sctp/ipv6.c:229
 sctp_packet_transmit+0x1c3c/0x3210 net/sctp/output.c:641
 sctp_packet_singleton net/sctp/outqueue.c:791 [inline]
 sctp_outq_flush_ctrl.constprop.0+0x6d3/0xc50 net/sctp/outqueue.c:922
 sctp_outq_flush net/sctp/outqueue.c:1204 [inline]
 sctp_outq_uncork+0x10b/0x200 net/sctp/outqueue.c:776
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1815 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1199 [inline]
 sctp_do_sm+0x520/0x4fd0 net/sctp/sm_sideeffect.c:1170
 sctp_primitive_ASSOCIATE+0x98/0xc0 net/sctp/primitive.c:88
 sctp_sendmsg_to_asoc+0x7b5/0x1ef0 net/sctp/socket.c:1945
 sctp_sendmsg+0xeb8/0x1530 net/sctp/socket.c:2135
 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: 0033:0x45dd99
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:00007f2340dc3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000000000002d6c0 RCX: 000000000045dd99
RDX: 00000000000118a8 RSI: 0000000020847fff RDI: 0000000000000003
RBP: 000000000118bf78 R08: 000000002005ffe4 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffff5e0cd2f R14: 00007f2340dc49c0 R15: 000000000118bf2c
================================================================================
netlink: 'syz-executor.5': attribute type 1 has an invalid length.
IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready
8021q: adding VLAN 0 to HW filter on device bond1
netlink: 'syz-executor.5': attribute type 1 has an invalid length.
audit: type=1400 audit(1601455532.283:22): avc:  denied  { name_bind } for  pid=15119 comm="syz-executor.5" src=20003 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1
audit: type=1400 audit(1601455532.283:23): avc:  denied  { node_bind } for  pid=15119 comm="syz-executor.5" src=20003 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1
f2fs_msg: 24 callbacks suppressed
F2FS-fs (loop5): Invalid Fs Meta Ino: node(0) meta(0) root(0)
F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0)
F2FS-fs (loop5): Can't find valid F2FS filesystem in 2th superblock
F2FS-fs (loop5): Invalid Fs Meta Ino: node(0) meta(0) root(0)
F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock
F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0)
F2FS-fs (loop5): Can't find valid F2FS filesystem in 2th superblock
F2FS-fs (loop5): Invalid Fs Meta Ino: node(0) meta(0) root(0)
F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock