================================================================================
UBSAN: Undefined behaviour in ./include/net/red.h:272:18
shift exponent 157 is too large for 64-bit type 'long unsigned int'
CPU: 1 PID: 13646 Comm: syz-executor.2 Not tainted 4.19.145-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
 red_calc_qavg_from_idle_time include/net/red.h:272 [inline]
 red_calc_qavg include/net/red.h:313 [inline]
 red_enqueue+0x2064/0x2200 net/sched/sch_red.c:68
 __dev_xmit_skb net/core/dev.c:3494 [inline]
 __dev_queue_xmit+0x14e1/0x2ec0 net/core/dev.c:3807
 br_dev_queue_push_xmit+0x25a/0x6c0 net/bridge/br_forward.c:56
 NF_HOOK include/linux/netfilter.h:289 [inline]
 br_forward_finish+0xb5/0x430 net/bridge/br_forward.c:69
 NF_HOOK include/linux/netfilter.h:289 [inline]
 __br_forward+0x693/0xbb0 net/bridge/br_forward.c:113
 deliver_clone net/bridge/br_forward.c:129 [inline]
 maybe_deliver+0x2d2/0x3c0 net/bridge/br_forward.c:184
 br_flood+0x180/0x4f0 net/bridge/br_forward.c:226
 br_dev_xmit+0xdd0/0x1510 net/bridge/br_device.c:103
 __netdev_start_xmit include/linux/netdevice.h:4333 [inline]
 netdev_start_xmit include/linux/netdevice.h:4347 [inline]
 xmit_one net/core/dev.c:3256 [inline]
 dev_hard_start_xmit+0x1a8/0x960 net/core/dev.c:3272
 __dev_queue_xmit+0x276a/0x2ec0 net/core/dev.c:3838
8021q: VLANs not supported on lo
 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:229
 ip_finish_output+0x88e/0xd80 net/ipv4/ip_output.c:317
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip_output+0x203/0x650 net/ipv4/ip_output.c:405
 dst_output include/net/dst.h:455 [inline]
 ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:124
 ip_send_skb+0x3e/0xe0 net/ipv4/ip_output.c:1446
 udp_send_skb+0x72a/0x1240 net/ipv4/udp.c:848
 udp_sendmsg+0x1cdb/0x2530 net/ipv4/udp.c:1135
 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+0x3b3/0x8f0 net/socket.c:2115
 __sys_sendmmsg+0x195/0x470 net/socket.c:2210
8021q: VLANs not supported on lo
 __do_sys_sendmmsg net/socket.c:2239 [inline]
 __se_sys_sendmmsg net/socket.c:2236 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d5f9
Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f5639498c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 0000000000027a40 RCX: 000000000045d5f9
RDX: 0400000000000030 RSI: 0000000020007fc0 RDI: 0000000000000004
RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffc42a45c1f R14: 00007f56394999c0 R15: 000000000118cf4c
================================================================================
audit: type=1804 audit(1600340286.677:53): pid=13753 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir516275883/syzkaller.YvpZpb/62/file0" dev="sda1" ino=16388 res=1
audit: type=1804 audit(1600340286.887:54): pid=13753 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir516275883/syzkaller.YvpZpb/62/file0" dev="sda1" ino=16388 res=1
audit: type=1804 audit(1600340287.097:55): pid=13767 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir516275883/syzkaller.YvpZpb/63/file0" dev="sda1" ino=16400 res=1
audit: type=1804 audit(1600340289.507:56): pid=13784 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir516275883/syzkaller.YvpZpb/64/file0" dev="sda1" ino=16425 res=1
audit: type=1804 audit(1600340289.947:57): pid=13804 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir516275883/syzkaller.YvpZpb/65/file0" dev="sda1" ino=16427 res=1