------------[ cut here ]------------ WARNING: CPU: 0 PID: 5775 at mm/gup.c:1173 __get_user_pages+0xeaa/0x1290 Modules linked in: CPU: 0 PID: 5775 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+0xeaa/0x1290 mm/gup.c:1173 Code: 00 fc ff df 48 8b 5c 24 20 e9 2e fe ff ff e8 1d ed be ff 4c 8d ac 24 00 01 00 00 48 8b 5c 24 20 e9 38 fe ff ff e8 06 ed be ff <0f> 0b e9 5b f6 ff ff 48 8b 4c 24 28 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc900153576c0 EFLAGS: 00010283 RAX: ffffffff81cced0a RBX: 0000000000000100 RCX: 0000000000040000 RDX: ffffc900066b2000 RSI: 0000000000000ee5 RDI: 0000000000000ee6 RBP: ffffc90015357850 R08: ffffffff81cce352 R09: fffffbfff243d9e4 R10: dffffc0000000000 R11: fffffbfff243d9e4 R12: 0000000020008000 R13: ffffc900153577a0 R14: dffffc0000000000 R15: ffffc900153577c0 FS: 00007f862c0a6700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000208f9f09 CR3: 000000002d3a9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __get_user_pages_locked mm/gup.c:1456 [inline] __gup_longterm_locked+0x2018/0x2a80 mm/gup.c:2150 pin_user_pages_remote+0x199/0x260 mm/gup.c:3291 process_vm_rw_single_vec mm/process_vm_access.c:105 [inline] process_vm_rw_core mm/process_vm_access.c:215 [inline] process_vm_rw+0x727/0xcc0 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+0xe0/0xf0 mm/process_vm_access.c:298 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f862b28c389 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:00007f862c0a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: ffffffffffffffda RBX: 00007f862b3abf80 RCX: 00007f862b28c389 RDX: 0000000000000003 RSI: 0000000020000200 RDI: 0000000000000049 RBP: 00007f862b2d7493 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9a2ecb2f R14: 00007f862c0a6300 R15: 0000000000022000