block nbd0: Device being setup by another task ================================================================================ UBSAN: Undefined behaviour in net/sched/sch_api.c:561:7 shift exponent 118 is too large for 32-bit type 'int' CPU: 0 PID: 24702 Comm: syz-executor.3 Not tainted 4.19.146-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_calculate_pkt_len+0x3bb/0x570 net/sched/sch_api.c:561 qdisc_calculate_pkt_len include/net/sch_generic.h:697 [inline] __dev_xmit_skb net/core/dev.c:3443 [inline] __dev_queue_xmit+0x1372/0x2ec0 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: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_queue_xmit+0x8a0/0x1bd0 net/ipv4/ip_output.c:505 __tcp_transmit_skb+0x1c72/0x36c0 net/ipv4/tcp_output.c:1148 tcp_transmit_skb net/ipv4/tcp_output.c:1164 [inline] tcp_send_syn_data net/ipv4/tcp_output.c:3486 [inline] tcp_connect+0x121e/0x2610 net/ipv4/tcp_output.c:3525 tcp_v4_connect+0x141c/0x1aa0 net/ipv4/tcp_ipv4.c:315 __inet_stream_connect+0x836/0xe50 net/ipv4/af_inet.c:655 tcp_sendmsg_fastopen net/ipv4/tcp.c:1185 [inline] tcp_sendmsg_locked+0x22cb/0x2fe0 net/ipv4/tcp.c:1232 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1460 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: 0033:0x45d5f9 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:00007fae952b4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002cc80 RCX: 000000000045d5f9 RDX: 0000000020000811 RSI: 0000000020000fc0 RDI: 0000000000000004 RBP: 000000000118d020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cfec R13: 00007ffd4460fb9f R14: 00007fae952b59c0 R15: 000000000118cfec ================================================================================ block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. block nbd0: Device being setup by another task block nbd0: Device being setup by another task overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. block nbd0: Device being setup by another task block nbd0: Device being setup by another task overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. block nbd0: Device being setup by another task block nbd0: Device being setup by another task block nbd0: Device being setup by another task overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. block nbd0: Device being setup by another task