================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 75 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 13214 Comm: syz-executor.0 Not tainted 4.19.152-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] choke_enqueue+0x2a7e/0x2cc0 net/sched/sch_choke.c:231 __dev_xmit_skb net/core/dev.c:3494 [inline] __dev_queue_xmit+0x14e1/0x2ec0 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 tcp_v4_send_synack+0x290/0x4d0 net/ipv4/tcp_ipv4.c:948 tcp_conn_request+0x280b/0x36e0 net/ipv4/tcp_input.c:6550 tcp_v4_conn_request+0xbc/0x220 net/ipv4/tcp_ipv4.c:1394 tcp_v6_conn_request+0x230/0x290 net/ipv6/tcp_ipv6.c:1036 tcp_rcv_state_process+0xae9/0x4919 net/ipv4/tcp_input.c:6045 tcp_v4_do_rcv+0x31f/0x870 net/ipv4/tcp_ipv4.c:1566 tcp_v4_rcv+0x3945/0x3bd0 net/ipv4/tcp_ipv4.c:1819 ip_local_deliver_finish+0x4cb/0xc80 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:289 [inline] ip_local_deliver+0x188/0x560 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:461 [inline] ip_rcv_finish+0x1ca/0x2e0 net/ipv4/ip_input.c:414 NF_HOOK include/linux/netfilter.h:289 [inline] ip_rcv+0xca/0x420 net/ipv4/ip_input.c:524 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:4954 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066 process_backlog+0x261/0x760 net/core/dev.c:5848 napi_poll net/core/dev.c:6272 [inline] net_rx_action+0x4e5/0x10d0 net/core/dev.c:6338 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 do_softirq.part.0+0x168/0x200 kernel/softirq.c:336 do_softirq kernel/softirq.c:328 [inline] __local_bh_enable_ip+0x22d/0x2a0 kernel/softirq.c:189 local_bh_enable include/linux/bottom_half.h:32 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:721 [inline] ip_finish_output2+0xe53/0x1640 net/ipv4/ip_output.c:232 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_queue_xmit+0x8a0/0x1bd0 net/ipv4/ip_output.c:506 __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: 0033:0x45de59 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:00007f1e7bac9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002e340 RCX: 000000000045de59 RDX: 0000000020000811 RSI: 0000000020000fc0 RDI: 0000000000000005 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffe6643bc2f R14: 00007f1e7baca9c0 R15: 000000000118bf2c ================================================================================ audit: type=1804 audit(1603187724.982:43): pid=13221 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir658679838/syzkaller.d2EVKe/265/bus" dev="sda1" ino=16209 res=1 audit: type=1804 audit(1603187724.982:44): pid=13229 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir658679838/syzkaller.d2EVKe/265/bus" dev="sda1" ino=16209 res=1 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 FAT-fs (loop1): Unrecognized mount option "k" or missing value ================================================================================ UBSAN: Undefined behaviour in net/sunrpc/xprt.c:568:22 shift exponent 536871040 is too large for 64-bit type 'long unsigned int' CPU: 1 PID: 13296 Comm: syz-executor.5 Not tainted 4.19.152-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 xprt_reset_majortimeo+0x2f8/0x3b0 net/sunrpc/xprt.c:568 xprt_request_init net/sunrpc/xprt.c:1290 [inline] xprt_do_reserve+0x438/0x530 net/sunrpc/xprt.c:1300 xprt_reserve+0x129/0x1f0 net/sunrpc/xprt.c:1322 __rpc_execute+0x1f7/0xb80 net/sunrpc/sched.c:783 rpc_execute+0x242/0x370 net/sunrpc/sched.c:851 rpc_run_task+0x4e3/0x6a0 net/sunrpc/clnt.c:1064 rpc_call_sync+0xb8/0x190 net/sunrpc/clnt.c:1093 rpc_ping+0xb5/0x110 net/sunrpc/clnt.c:2527 rpc_create_xprt+0x313/0x3c0 net/sunrpc/clnt.c:479 rpc_create+0x31e/0x540 net/sunrpc/clnt.c:587 nfs_create_rpc_client+0x36f/0x440 fs/nfs/client.c:529 nfs_init_client fs/nfs/client.c:640 [inline] nfs_init_client+0x6d/0x100 fs/nfs/client.c:627 nfs_get_client+0xf9f/0x13e0 fs/nfs/client.c:431 nfs_init_server+0x249/0xe10 fs/nfs/client.c:676 nfs_create_server+0x7a/0x4f0 fs/nfs/client.c:960 nfs_try_mount+0x172/0x940 fs/nfs/super.c:1884 nfs_fs_mount+0x171f/0x2e8e fs/nfs/super.c:2701 mount_fs+0xa3/0x318 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x51c/0x2f10 fs/namespace.c:2799 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 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:00007f6e3d982c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000021740 RCX: 000000000045de59 RDX: 0000000020fb5ffc RSI: 0000000020343ff8 RDI: 0000000000000000 RBP: 000000000118bf70 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff0b0ef69f R14: 00007f6e3d9839c0 R15: 000000000118bf2c ================================================================================ EXT4-fs (loop0): Unrecognized mount option "fsmagic=0x0000000000000000" or missing value IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1603187729.672:45): pid=13410 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir658679838/syzkaller.d2EVKe/267/cgroup.controllers" dev="sda1" ino=16262 res=1 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. input: syz1 as /devices/virtual/input/input12 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1603187730.372:46): pid=13419 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir658679838/syzkaller.d2EVKe/267/cgroup.controllers" dev="sda1" ino=16262 res=1 IPVS: sync thread started: state = BACKUP, mcast_ifn = gre0, syncid = 0, id = 0 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue IPVS: ftp: loaded support on port[0] = 21 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1603187732.863:47): pid=13611 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir658679838/syzkaller.d2EVKe/270/memory.events" dev="sda1" ino=16277 res=1 audit: type=1804 audit(1603187732.993:48): pid=13620 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir658679838/syzkaller.d2EVKe/270/memory.events" dev="sda1" ino=16277 res=1 IPVS: ftp: loaded support on port[0] = 21