------------[ cut here ]------------
WARNING: CPU: 0 PID: 20772 at mm/gup.c:1173 __get_user_pages+0xd49/0x1080 mm/gup.c:1173
Modules linked in:
CPU: 0 PID: 20772 Comm: syz-executor.4 Not tainted 6.4.0-syzkaller-10173-ga901a3568fd2 #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 37 19 c3 ff <0f> 0b e9 32 f6 ff ff e8 2b 19 c3 ff 0f 0b e8 24 19 c3 ff 44 89 ed
RSP: 0018:ffffc900032bf468 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000000
RDX: ffff88807c2d5940 RSI: ffffffff81c1b599 RDI: 0000000000000007
RBP: 00007fdb54cce000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000001 R12: ffff88802afc3000
R13: 0000000000210003 R14: ffff88802d30cc00 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb54cce9d0 CR3: 000000002b511000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 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
 get_futex_key+0x1e4/0x1c10 kernel/futex/core.c:261
 futex_wake+0xe8/0x490 kernel/futex/waitwake.c:154
 do_futex+0x268/0x360 kernel/futex/syscalls.c:111
 mm_release+0x256/0x2e0 kernel/fork.c:1637
 exit_mm kernel/exit.c:539 [inline]
 do_exit+0x86d/0x29a0 kernel/exit.c:861
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024
 get_signal+0x249b/0x25f0 kernel/signal.c:2877
 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:308
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:310
 exc_page_fault+0xc0/0x170 arch/x86/mm/fault.c:1545
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7fdb53e8c389
Code: Unable to access opcode bytes at 0x7fdb53e8c35f.
RSP: 002b:00007fdb54cce168 EFLAGS: 00010246
RAX: 0000000020cb1000 RBX: 00007fdb53fabf80 RCX: 00007fdb53e8c389
RDX: 0000000000002000 RSI: 00007fdb53fd0fff RDI: 0000000020d74000
RBP: 00007fdb53ed7493 R08: 0000000020cb1000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdb540cfb1f R14: 00007fdb54cce300 R15: 0000000000022000
 </TASK>