BTRFS error (device loop5): superblock checksum mismatch
================================================================================
UBSAN: Undefined behaviour in net/sunrpc/xprt.c:568:22
shift exponent 536871040 is too large for 64-bit type 'long unsigned int'
CPU: 0 PID: 10059 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
 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
audit: type=1800 audit(1603307069.750:24): pid=10069 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=15809 res=0
 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
 nfs3_create_server+0x1a/0x1b0 fs/nfs/nfs3client.c:51
 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:00007fdc1d31fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000021740 RCX: 000000000045de59
RDX: 000000002015bffc RSI: 0000000020000240 RDI: 0000000000000000
RBP: 000000000118bf70 R08: 0000000020000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffd0955972f R14: 00007fdc1d3209c0 R15: 000000000118bf2c
================================================================================
audit: type=1800 audit(1603307070.560:25): pid=10085 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="loop4" ino=12 res=0
BTRFS error (device loop5): open_ctree failed
FAT-fs (loop5): invalid media value (0x36)
FAT-fs (loop5): Can't find a valid FAT filesystem
FAT-fs (loop5): invalid media value (0x36)
FAT-fs (loop5): Can't find a valid FAT filesystem
overlayfs: failed to resolve './file0': -2
team0: Device ipvlan1 is up. Set it down before adding it as a team port
team0: Device ipvlan1 is up. Set it down before adding it as a team port
batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Removing interface: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
batman_adv: batadv0: Removing interface: batadv_slave_1
device bridge_slave_1 left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
device bridge_slave_0 left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
device veth1_macvtap left promiscuous mode
device veth0_macvtap left promiscuous mode
device veth1_vlan left promiscuous mode
device veth0_vlan left promiscuous mode
Bluetooth: hci2: command 0x0409 tx timeout
Bluetooth: hci2: command 0x041b tx timeout
device hsr_slave_1 left promiscuous mode
device hsr_slave_0 left promiscuous mode
team0 (unregistering): Port device team_slave_1 removed
team0 (unregistering): Port device team_slave_0 removed
bond0 (unregistering): Releasing backup interface bond_slave_1
bond0 (unregistering): Releasing backup interface bond_slave_0
bond0 (unregistering): Released all slaves
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