------------[ cut here ]------------
WARNING: CPU: 1 PID: 3543 at mm/gup.c:1850 __get_user_pages_locked mm/gup.c:1850 [inline]
WARNING: CPU: 1 PID: 3543 at mm/gup.c:1850 get_dump_page+0xae/0x130 mm/gup.c:2269
Modules linked in:
CPU: 1 UID: 0 PID: 3543 Comm: syz.3.16 Not tainted 6.12.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__get_user_pages_locked mm/gup.c:1850 [inline]
RIP: 0010:get_dump_page+0xae/0x130 mm/gup.c:2269
Code: 98 e2 ff ff 48 89 c3 83 7c 24 04 00 74 0a 66 90 4c 89 f7 e8 94 f9 e5 ff 48 85 db 74 0c 83 fb 01 75 17 48 8b 44 24 08 eb 12 90 <0f> 0b 90 48 c7 c3 f2 ff ff ff 83 fb 01 74 e9 31 c0 65 48 8b 0c 25
RSP: 0000:ffffc900026fb9b8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000040
RDX: 0000000000000006 RSI: 00000000000000fc RDI: ffffc900026fb7c8
RBP: 0000000000000000 R08: 0000000000000404 R09: ffff88810e2a0000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881067a3600
R13: 0000400000001000 R14: ffff8881067a3770 R15: 0000400000000000
FS:  00007f40300386c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000fffffc40 CR3: 00000001103c8000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 dump_user_range+0x96/0x330 fs/coredump.c:943
 elf_core_dump+0x11cf/0x1280 fs/binfmt_elf.c:2129
 do_coredump+0x112f/0x1630 fs/coredump.c:758
 get_signal+0x555/0x6d0 kernel/signal.c:3001
 arch_do_signal_or_restart+0x89/0x2a0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 irqentry_exit_to_user_mode+0x51/0x160 kernel/entry/common.c:231
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f402f18d171
Code: 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:00000000fffffe10 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f402f3a5fa0 RCX: 00007f402f18d169
RDX: 0000000000000000 RSI: 00000000fffffe10 RDI: 0000000000000000
RBP: 00007f402f20e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f402f3a5fa0 R15: 00007ffd3bcdf378
 </TASK>