head: 05ffc0000039081c fffffc0003cf1788 ffff0000ed974040 ffff0000ca94edd1
head: 0000000400000200 0000000000000000 0000005effffffff ffff0000c8dd0000
page dumped because: VM_BUG_ON_PAGE(1 && PageTail(page))
------------[ cut here ]------------
kernel BUG at include/linux/page-flags.h:431!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5295 Comm: syz.3.55 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : TestClearPageMlocked include/linux/page-flags.h:431 [inline]
pc : clear_page_mlock+0x4dc/0x5b4 mm/mlock.c:64
lr : TestClearPageMlocked include/linux/page-flags.h:431 [inline]
lr : clear_page_mlock+0x4dc/0x5b4 mm/mlock.c:64
sp : ffff80001fd17320
x29: ffff80001fd17320 x28: fffffc0003d16900 x27: 1fffff80007a2d21
x26: fffffc0003d16908 x25: ffff80001fd17658 x24: 1fffff80007a2d21
x23: fffffc0003d16908 x22: dfff800000000000 x21: fffffc0003d10001
x20: fffffc0003d10001 x19: fffffc0003d16900 x18: 0000000000000002
x17: 0000000000000000 x16: ffff8000082c67fc x15: 0000000000000012
x14: 0000000000000001 x13: 1ffff00003fa2d28 x12: 0000000000000000
x11: ff8080000873fa30 x10: 0000000000000000 x9 : dc8e42d01175ab00
x8 : dc8e42d01175ab00 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff80001fd16958 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000004 x1 : 0000000000000000 x0 : ffff700003fa2e10
Call trace:
 TestClearPageMlocked include/linux/page-flags.h:431 [inline]
 clear_page_mlock+0x4dc/0x5b4 mm/mlock.c:64
 page_remove_rmap+0xbe4/0xfb4 mm/rmap.c:1375
 wp_page_copy+0xa00/0x13dc mm/memory.c:3148
 do_wp_page+0x6d0/0x994 mm/memory.c:-1
 handle_pte_fault mm/memory.c:4668 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x1668/0x2aac mm/memory.c:4883
 faultin_page mm/gup.c:976 [inline]
 __get_user_pages+0x644/0x984 mm/gup.c:1197
 __get_user_pages_locked mm/gup.c:1382 [inline]
 __get_user_pages_remote+0x194/0x694 mm/gup.c:2007
 pin_user_pages_remote+0x70/0x9c mm/gup.c:3104
 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+0x4f0/0xa04 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]
 __arm64_sys_process_vm_writev+0xe8/0x104 mm/process_vm_access.c:298
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x28c arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x5c/0x140 arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: f0046e81 91218021 aa1303e0 97ff54df (d4210000) 
---[ end trace fceb6866ac395781 ]---