------------[ cut here ]------------
WARNING: CPU: 1 PID: 9713 at mm/gup.c:1173 __get_user_pages+0xd49/0x1080 mm/gup.c:1173
Modules linked in:
CPU: 1 PID: 9713 Comm: syz-executor.2 Not tainted 6.4.0-syzkaller-08881-g533925cb7604 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:__get_user_pages+0xd49/0x1080 mm/gup.c:1173
Code: 89 f8 48 c1 e8 03 80 3c 08 00 0f 85 bc 02 00 00 48 8b 44 24 20 48 8b 80 c0 00 00 00 48 8d 1c e8 e9 ad f7 ff ff e8 e7 cc c3 ff <0f> 0b e9 32 f6 ff ff e8 db cc c3 ff 0f 0b e8 d4 cc c3 ff 44 89 ed
RSP: 0018:ffffc900053c7558 EFLAGS: 00010212
RAX: 0000000000000265 RBX: 0000000000000100 RCX: ffffc90004075000
RDX: 0000000000040000 RSI: ffffffff81c00c29 RDI: 0000000000000007
RBP: 0000000020006000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000001 R12: ffff888028993f00
R13: 0000000000210002 R14: ffff88807ad5e880 R15: 0000000000000000
FS:  00007f6eea63e700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6be2ce5000 CR3: 0000000048969000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __get_user_pages_locked mm/gup.c:1456 [inline]
 __gup_longterm_locked+0x6f9/0x23e0 mm/gup.c:2150
 internal_get_user_pages_fast+0x16e6/0x32f0 mm/gup.c:3148
 get_user_pages_fast+0xa8/0xf0 mm/gup.c:3226
 __iov_iter_get_pages_alloc+0x28c/0x1950 lib/iov_iter.c:1111
 iov_iter_get_pages2+0xa8/0x100 lib/iov_iter.c:1151
 iter_to_pipe fs/splice.c:1402 [inline]
 vmsplice_to_pipe fs/splice.c:1492 [inline]
 __do_sys_vmsplice+0x50c/0xaa0 fs/splice.c:1556
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6ee988c389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6eea63e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000116
RAX: ffffffffffffffda RBX: 00007f6ee99abf80 RCX: 00007f6ee988c389
RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007f6ee98d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd1751153f R14: 00007f6eea63e300 R15: 0000000000022000
 </TASK>