================================================================================ UBSAN: Undefined behaviour in net/sunrpc/xprt.c:568:22 shift exponent 2265 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 25612 Comm: syz-executor.3 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 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:00007f76e395fc78 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: 00007ffc75f8829f R14: 00007f76e39609c0 R15: 000000000118bf2c ================================================================================ REISERFS warning (device loop1): sh-2021 reiserfs_fill_super: can not find reiserfs on loop1 audit: type=1804 audit(1602643875.015:75): pid=25628 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir888508188/syzkaller.FF4RJV/875/bus" dev="sda1" ino=17359 res=1 REISERFS warning (device loop1): sh-2021 reiserfs_fill_super: can not find reiserfs on loop1 REISERFS warning (device loop1): sh-2021 reiserfs_fill_super: can not find reiserfs on loop1 REISERFS warning (device loop1): sh-2021 reiserfs_fill_super: can not find reiserfs on loop1 audit: type=1804 audit(1602643876.135:76): pid=25693 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir888508188/syzkaller.FF4RJV/876/bus" dev="sda1" ino=17009 res=1 REISERFS warning (device loop1): sh-2021 reiserfs_fill_super: can not find reiserfs on loop1 REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "com" REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "com" audit: type=1804 audit(1602643877.535:77): pid=25760 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir888508188/syzkaller.FF4RJV/877/bus" dev="sda1" ino=17355 res=1 REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "com" REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "commi" audit: type=1804 audit(1602643879.205:78): pid=25816 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir888508188/syzkaller.FF4RJV/878/bus" dev="sda1" ino=17389 res=1 REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "commi" REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "commi" audit: type=1804 audit(1602643880.755:79): pid=25864 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir888508188/syzkaller.FF4RJV/879/bus" dev="sda1" ino=17388 res=1 REISERFS warning (device loop1): super-6504 reiserfs_getopt: the option "commit" requires an argument REISERFS warning (device loop1): super-6504 reiserfs_getopt: the option "commit" requires an argument audit: type=1804 audit(1602643882.385:80): pid=25916 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir888508188/syzkaller.FF4RJV/880/bus" dev="sda1" ino=17400 res=1 REISERFS warning (device loop1): super-6504 reiserfs_getopt: the option "commit" requires an argument audit: type=1804 audit(1602643883.885:81): pid=25960 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir888508188/syzkaller.FF4RJV/881/bus" dev="sda1" ino=17400 res=1