================================================================================
UBSAN: Undefined behaviour in net/sunrpc/xprt.c:568:22
shift exponent 4294967292 is too large for 64-bit type 'long unsigned int'
CPU: 0 PID: 9095 Comm: syz-executor.2 Not tainted 4.19.150-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:00007f1d514dbc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000021740 RCX: 000000000045de59
RDX: 0000000020fb5ffc RSI: 0000000020000140 RDI: 0000000000000000
RBP: 000000000118bf70 R08: 000000002000a000 R09: 0000000000000000
R10: 0000000000000444 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffff4e4da0f R14: 00007f1d514dc9c0 R15: 000000000118bf2c
================================================================================
xt_CT: You must specify a L4 protocol and not use inversions on it
xt_CT: You must specify a L4 protocol and not use inversions on it
audit: type=1800 audit(1602910673.874:37): pid=9116 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="sda1" ino=15821 res=0
nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based  firewall rule not found. Use the iptables CT target to attach helpers instead.
IPVS: ftp: loaded support on port[0] = 21
chnl_net:caif_netlink_parms(): no params data found
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered disabled state
device bridge_slave_0 entered promiscuous mode
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered disabled state
device bridge_slave_1 entered promiscuous mode
bond0: Enslaving bond_slave_0 as an active interface with an up link
bond0: Enslaving bond_slave_1 as an active interface with an up link
IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
team0: Port device team_slave_0 added
IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
team0: Port device team_slave_1 added
batman_adv: batadv0: Adding interface: batadv_slave_0
batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
batman_adv: batadv0: Adding interface: batadv_slave_1
batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
device hsr_slave_0 entered promiscuous mode
device hsr_slave_1 entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered forwarding state
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered forwarding state
IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
8021q: adding VLAN 0 to HW filter on device bond0
IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
bridge0: port 1(bridge_slave_0) entered disabled state
bridge0: port 2(bridge_slave_1) entered disabled state
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
8021q: adding VLAN 0 to HW filter on device team0
IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered forwarding state
IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered forwarding state
IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
8021q: adding VLAN 0 to HW filter on device batadv0
IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready
IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
device veth0_vlan entered promiscuous mode
device veth1_vlan entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready
IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
device veth0_macvtap entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready
device veth1_macvtap entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready
IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: batadv0: Interface activated: batadv_slave_0
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
batman_adv: batadv0: Interface activated: batadv_slave_1
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
Bluetooth: hci0: command 0x0409 tx timeout
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
device batadv0 entered promiscuous mode
lo: Cannot use loopback or non-ethernet device as HSR slave.
device batadv0 left promiscuous mode
device batadv0 entered promiscuous mode
lo: Cannot use loopback or non-ethernet device as HSR slave.
device batadv0 left promiscuous mode
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=9476 comm=syz-executor.0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=9491 comm=syz-executor.0
FS-Cache: Duplicate cookie detected
FS-Cache: O-cookie c=00000000d70affbb [p=00000000385d6a84 fl=222 nc=0 na=1]
FS-Cache: O-cookie d=00000000a5d0b95c n=00000000396cd5ee
FS-Cache: O-key=[16] '0200000000000000020000807f000008'
FS-Cache: N-cookie c=000000007d494b9a [p=00000000385d6a84 fl=2 nc=0 na=1]
FS-Cache: N-cookie d=00000000a5d0b95c n=00000000b4ca1a18
FS-Cache: N-key=[16] '0200000000000000020000807f000008'
device batadv0 entered promiscuous mode
lo: Cannot use loopback or non-ethernet device as HSR slave.
device batadv0 left promiscuous mode
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
audit: type=1400 audit(1602910680.454:38): avc:  denied  { ioctl } for  pid=9526 comm="syz-executor.3" path="socket:[34836]" dev="sockfs" ino=34836 ioctlcmd=0x89e2 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=sock_file permissive=1
FAT-fs (loop1): Invalid FSINFO signature: 0x41615252, 0x00000000 (sector = 1)
Bluetooth: hci0: command 0x041b tx timeout
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.
overlayfs: failed to resolve './bős': -2
audit: type=1400 audit(1602910681.474:39): avc:  denied  { write } for  pid=9617 comm="syz-executor.0" name="net" dev="proc" ino=34732 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1
netlink: 14 bytes leftover after parsing attributes in process `syz-executor.4'.
bridge0: port 2(bridge_slave_1) entered disabled state
bridge0: port 1(bridge_slave_0) entered disabled state
audit: type=1400 audit(1602910681.504:40): avc:  denied  { add_name } for  pid=9617 comm="syz-executor.0" name="pfkey" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1
device bridge0 entered promiscuous mode
EXT4-fs (loop0): fragment/cluster size (16384) != block size (1024)
overlayfs: './file0' not a directory
audit: type=1400 audit(1602910681.504:41): avc:  denied  { create } for  pid=9617 comm="syz-executor.0" name="pfkey" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:kernel_t:s0 tclass=file permissive=1
EXT4-fs (loop0): fragment/cluster size (16384) != block size (1024)
audit: type=1800 audit(1602910681.934:42): pid=9661 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.3" name="bus" dev="sda1" ino=15873 res=0
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 14 bytes leftover after parsing attributes in process `syz-executor.4'.
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered forwarding state
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered forwarding state
bridge0: port 2(bridge_slave_1) entered disabled state
bridge0: port 1(bridge_slave_0) entered disabled state
syz-executor.4 (9625) used greatest stack depth: 22824 bytes left
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
ucma_write: process 102 (syz-executor.1) changed security contexts after opening file descriptor, this is not allowed.
Bluetooth: hci0: command 0x040f tx timeout