------------[ cut here ]------------
WARNING: CPU: 1 PID: 14851 at include/linux/mmap_lock.h:71 mmap_assert_write_locked include/linux/mmap_lock.h:71 [inline]
WARNING: CPU: 1 PID: 14851 at include/linux/mmap_lock.h:71 __is_vma_write_locked include/linux/mm.h:712 [inline]
WARNING: CPU: 1 PID: 14851 at include/linux/mmap_lock.h:71 vma_assert_locked include/linux/mm.h:753 [inline]
WARNING: CPU: 1 PID: 14851 at include/linux/mmap_lock.h:71 assert_fault_locked include/linux/mm.h:786 [inline]
WARNING: CPU: 1 PID: 14851 at include/linux/mmap_lock.h:71 handle_userfault+0x149b/0x27a0 fs/userfaultfd.c:440
Modules linked in:
CPU: 1 PID: 14851 Comm: syz-executor.1 Not tainted 6.5.0-rc1-next-20230711-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:mmap_assert_write_locked include/linux/mmap_lock.h:71 [inline]
RIP: 0010:__is_vma_write_locked include/linux/mm.h:712 [inline]
RIP: 0010:vma_assert_locked include/linux/mm.h:753 [inline]
RIP: 0010:assert_fault_locked include/linux/mm.h:786 [inline]
RIP: 0010:handle_userfault+0x149b/0x27a0 fs/userfaultfd.c:440
Code: ff 49 8d bc 24 a0 01 00 00 31 f6 e8 1f 56 24 08 31 ff 41 89 c5 89 c6 e8 c3 7a 87 ff 45 85 ed 0f 85 83 ed ff ff e8 95 7e 87 ff <0f> 0b e9 77 ed ff ff e8 89 7e 87 ff 49 8d bc 24 a0 01 00 00 be ff
RSP: 0000:ffffc9001652fb68 EFLAGS: 00010212
RAX: 00000000000001c9 RBX: ffffc9001652fd88 RCX: ffffc90003f91000
RDX: 0000000000040000 RSI: ffffffff81fda07b RDI: 0000000000000005
RBP: 0000000000000200 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888068a2e880
R13: 0000000000000000 R14: ffff88807d9c2110 R15: ffff88807d9c2100
FS:  00007f9e357666c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0673b2ef78 CR3: 0000000022d95000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_anonymous_page mm/memory.c:4155 [inline]
 do_pte_missing mm/memory.c:3675 [inline]
 handle_pte_fault mm/memory.c:4958 [inline]
 __handle_mm_fault+0x2fcb/0x4150 mm/memory.c:5098
 handle_mm_fault+0x3c2/0xa20 mm/memory.c:5263
 do_user_addr_fault+0x2ed/0x13a0 arch/x86/mm/fault.c:1365
 handle_page_fault arch/x86/mm/fault.c:1509 [inline]
 exc_page_fault+0x98/0x170 arch/x86/mm/fault.c:1565
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f9e34a5dba5
Code: 00 00 00 00 90 83 fa 10 73 2d 83 fa 08 73 46 83 fa 04 73 16 83 fa 01 7c 10 8a 0e 74 0a 0f b7 74 16 fe 66 89 74 17 fe 88 0f c3 <8b> 4c 16 fc 8b 36 89 4c 17 fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16
RSP: 002b:00007f9e357660b8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f9e34b9bf80 RCX: 0000000000000004
RDX: 0000000000000004 RSI: 0000000020200200 RDI: 0000000000000000
RBP: 00007f9e34ac847a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000020000200 R12: 0000000000000000
R13: 000000000000000b R14: 00007f9e34b9bf80 R15: 00007ffdbd525948
 </TASK>