================================================================================
UBSAN: Undefined behaviour in net/sched/sch_api.c:386:22
shift exponent 129 is too large for 32-bit type 'int'
CPU: 0 PID: 10781 Comm: syz-executor.4 Not tainted 5.3.0-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+0x86/0xca lib/dump_stack.c:113
 ubsan_epilogue+0xd/0x3a lib/ubsan.c:158
 __ubsan_handle_shift_out_of_bounds.cold.14+0x21/0x68 lib/ubsan.c:404
 __detect_linklayer net/sched/sch_api.c:386 [inline]
 qdisc_get_rtab.cold.19+0x1e/0xab net/sched/sch_api.c:432
 tbf_change+0xc60/0x1370 net/sched/sch_tbf.c:317
 tbf_init+0x8b/0xc0 net/sched/sch_tbf.c:429
 qdisc_create+0x3fb/0xf40 net/sched/sch_api.c:1237
 tc_modify_qdisc+0x3f5/0x1860 net/sched/sch_api.c:1652
 rtnetlink_rcv_msg+0x35c/0x950 net/core/rtnetlink.c:5223
 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2477
 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5241
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x43b/0x650 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x67c/0xc40 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xac/0xf0 net/socket.c:657
 ___sys_sendmsg+0x653/0x950 net/socket.c:2311
 __sys_sendmsg+0xd9/0x180 net/socket.c:2356
 __do_sys_sendmsg net/socket.c:2365 [inline]
 __se_sys_sendmsg net/socket.c:2363 [inline]
 __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363
 do_syscall_64+0x96/0x450 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45e0f9
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:00007f16f7ab5c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e0f9
RDX: 0000000000000000 RSI: 0000000020000800 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffcba7e508f R14: 00007f16f7ab69c0 R15: 000000000119bf8c
================================================================================
================================================================================
UBSAN: Undefined behaviour in net/sched/sch_api.c:387:24
shift exponent 129 is too large for 32-bit type 'int'
CPU: 0 PID: 10781 Comm: syz-executor.4 Not tainted 5.3.0-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+0x86/0xca lib/dump_stack.c:113
 ubsan_epilogue+0xd/0x3a lib/ubsan.c:158
 __ubsan_handle_shift_out_of_bounds.cold.14+0x21/0x68 lib/ubsan.c:404
 __detect_linklayer net/sched/sch_api.c:387 [inline]
 qdisc_get_rtab.cold.19+0x7b/0xab net/sched/sch_api.c:432
 tbf_change+0xc60/0x1370 net/sched/sch_tbf.c:317
 tbf_init+0x8b/0xc0 net/sched/sch_tbf.c:429
 qdisc_create+0x3fb/0xf40 net/sched/sch_api.c:1237
 tc_modify_qdisc+0x3f5/0x1860 net/sched/sch_api.c:1652
 rtnetlink_rcv_msg+0x35c/0x950 net/core/rtnetlink.c:5223
 netlink_rcv_skb+0x13c/0x380 net/netlink/af_netlink.c:2477
 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5241
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x43b/0x650 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x67c/0xc40 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xac/0xf0 net/socket.c:657
 ___sys_sendmsg+0x653/0x950 net/socket.c:2311
 __sys_sendmsg+0xd9/0x180 net/socket.c:2356
 __do_sys_sendmsg net/socket.c:2365 [inline]
 __se_sys_sendmsg net/socket.c:2363 [inline]
 __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2363
 do_syscall_64+0x96/0x450 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45e0f9
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:00007f16f7ab5c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e0f9
RDX: 0000000000000000 RSI: 0000000020000800 RDI: 0000000000000004
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffcba7e508f R14: 00007f16f7ab69c0 R15: 000000000119bf8c
================================================================================
sch_tbf: burst 0 is lower than device lo mtu (65550) !