------------[ cut here ]------------
WARNING: CPU: 2 PID: 28424 at mm/gup.c:1173 __get_user_pages+0xd49/0x1080 mm/gup.c:1173
Modules linked in:
CPU: 2 PID: 28424 Comm: syz-executor.1 Not tainted 6.4.0-syzkaller-11472-g03275585cabd #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
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 87 b4 c3 ff <0f> 0b e9 32 f6 ff ff e8 7b b4 c3 ff 0f 0b e8 74 b4 c3 ff 44 89 ed
RSP: 0018:ffffc90007707768 EFLAGS: 00010216
RAX: 0000000000001de2 RBX: 0000000000000100 RCX: ffffc9002160c000
RDX: 0000000000040000 RSI: ffffffff81c04bb9 RDI: 0000000000000007
RBP: 0000000020001000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000001 R12: ffff88801eeabd00
R13: 00000000002d0001 R14: 0000000020001000 R15: 0000000000000001
FS:  00007f3540ff5700(0000) GS:ffff88806b800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020003008 CR3: 0000000024f4e000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 00000000000000aa DR2: 0000000000000000
DR3: 0000000000000000 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
 pin_user_pages_remote+0xee/0x140 mm/gup.c:3291
 process_vm_rw_single_vec mm/process_vm_access.c:105 [inline]
 process_vm_rw_core.constprop.0+0x437/0x980 mm/process_vm_access.c:215
 process_vm_rw+0x29c/0x300 mm/process_vm_access.c:283
 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline]
 __x64_sys_process_vm_writev+0xe3/0x1b0 mm/process_vm_access.c:298
 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: 0033:0x7f354028c389
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:00007f3540ff5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007f35403abf80 RCX: 00007f354028c389
RDX: 0000000000000001 RSI: 0000000020000340 RDI: 0000000000001190
RBP: 00007f35402d7493 R08: 00000000000002d7 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc16f0e36f R14: 00007f3540ff5300 R15: 0000000000022000
 </TASK>