------------[ cut here ]------------ WARNING: CPU: 1 PID: 6349 at mm/gup.c:1173 __get_user_pages+0xd49/0x1080 mm/gup.c:1173 Modules linked in: CPU: 1 PID: 6349 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 17 31 c3 ff <0f> 0b e9 32 f6 ff ff e8 0b 31 c3 ff 0f 0b e8 04 31 c3 ff 44 89 ed RSP: 0018:ffffc90006b67768 EFLAGS: 00010216 RAX: 0000000000002d82 RBX: 0000000000000100 RCX: ffffc9000c5ef000 RDX: 0000000000040000 RSI: ffffffff81c18719 RDI: 0000000000000007 RBP: 0000000020006000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000001 R12: ffff88802960e900 R13: 00000000002d0001 R14: 0000000020006000 R15: 0000000000000001 FS: 00007f9b3d559700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000340 CR3: 000000002b1d6000 CR4: 0000000000350ee0 Call Trace: __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: 0033:0x7f9b3c88c389 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:00007f9b3d559168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: ffffffffffffffda RBX: 00007f9b3c9abf80 RCX: 00007f9b3c88c389 RDX: 0000000000000001 RSI: 0000000020000340 RDI: 00000000000000a1 RBP: 00007f9b3c8d7493 R08: 00000000000002d7 R09: 0000000000000000 R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4c543cff R14: 00007f9b3d559300 R15: 0000000000022000