================================================================================ UBSAN: Undefined behaviour in net/sunrpc/xprt.c:568:22 shift exponent 536871104 is too large for 64-bit type 'long unsigned int' CPU: 1 PID: 17020 Comm: syz-executor.0 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:00007f3af9497c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000021740 RCX: 000000000045de59 RDX: 0000000020fb5ffc RSI: 0000000020000140 RDI: 0000000000000000 RBP: 000000000118bf70 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffec7485c7f R14: 00007f3af94989c0 R15: 000000000118bf2c ================================================================================ FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f7f6844b [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '02000000000000000200008001000000' FS-Cache: N-cookie c=0000000055e4716f [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000f447e7e5 FS-Cache: N-key=[16] '02000000000000000200008001000000' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000093bf3aa7 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=000000000ff857ec FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000004cfdff9e [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000009eae185e FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000093bf3aa7 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=000000000ff857ec FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000004ed7b752 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000bd769194 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f46f60cd [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=000000005dc77018 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000c7d16dbe [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000e07b4805 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f46f60cd [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000007f93928b [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000004fdc18b6 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000015ca1905 [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000001476b146 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000008d5daec7 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000a0993182 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000ba2ffbb4 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000006a4806c1 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000091498808 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=000000000c5f339f FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000e7fb8269 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000d9e01869 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000723b22e8 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000a7f43ead FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000000833e9c5 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000ba8346bc FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000001d8f1c57 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000871cf898 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000af5da5ca [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000fe25b3ad FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000001d8f1c57 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000871cf898 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=0000000048987415 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000006667013c FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000000753133 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=000000008d9d455e FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000d1b606f1 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000000abcf5df FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f3c96f7f [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000004b75f190 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000e1ef1b80 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000dd488ca9 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=0000000068135541 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=0000000096b81cca [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000f69ae20c FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000dd488ca9 [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000f6d8a291 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000139d8d2e FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000003da9d11a [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000d2df7bf9 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000f6ae0862 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000c053220f FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000c43a5cf7 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000813d126c FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000008efc6c39 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000d04a0f46 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000016fa6dec [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000a7bb7b77 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000eb79f295 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000f027f299 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000016fa6dec [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000a7bb7b77 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000dfe8c755 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000007a14f120 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000003002f8fc [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=000000006aadffe7 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000845d2de9 [p=0000000060bd8e81 fl=2 nc=0 na=1] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. FS-Cache: N-cookie d=000000005721b6d5 n=000000005edd0e25 FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000068fad1e [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000007038da43 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000008f5d03ac FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000000d50179c [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000bebe58a2 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000422c00bc [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000003d2823c4 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000000d50179c [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000bebe58a2 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000000b79f507 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=0000000011b458e0 FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000007cd7af9b [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000014b5897 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000007f567c95 FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f469a3e1 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000af1b0ca1 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000b0fd2484 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000c6481f71 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f469a3e1 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000af1b0ca1 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000e8a8527d [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000ee9def7b FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000f469a3e1 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000af1b0ca1 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000bcbee0d2 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000a9cc4132 FS-Cache: N-key=[16] '0200000000000000020000807f000008' netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.2'. FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000005ed7553c [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=000000005b68db72 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000001e271555 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000675778ac [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=0000000051c1a10d [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000a5e7e283 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=00000000e7a25856 [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000fa6aeac8 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=00000000b014637a FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=000000004a5a4e18 [p=0000000060bd8e81 fl=222 nc=0 na=1] FS-Cache: O-cookie d=000000005721b6d5 n=00000000540166c6 FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000d647e2a7 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=000000001c357629 FS-Cache: N-key=[16] '0200000000000000020000807f000008' FS-Cache: Duplicate cookie detected FS-Cache: O-cookie c=0000000042dcf760 [p=0000000060bd8e81 fl=212 nc=0 na=0] FS-Cache: O-cookie d= (null) n= (null) FS-Cache: O-key=[16] '0200000000000000020000807f000008' FS-Cache: N-cookie c=00000000ddafa0f1 [p=0000000060bd8e81 fl=2 nc=0 na=1] FS-Cache: N-cookie d=000000005721b6d5 n=0000000083b71522 FS-Cache: N-key=[16] '0200000000000000020000807f000008'