------------[ cut here ]------------
WARNING: CPU: 1 PID: 16257 at include/linux/mmap_lock.h:71 mmap_assert_write_locked include/linux/mmap_lock.h:71 [inline]
WARNING: CPU: 1 PID: 16257 at include/linux/mmap_lock.h:71 __is_vma_write_locked include/linux/mm.h:673 [inline]
WARNING: CPU: 1 PID: 16257 at include/linux/mmap_lock.h:71 vma_assert_locked include/linux/mm.h:714 [inline]
WARNING: CPU: 1 PID: 16257 at include/linux/mmap_lock.h:71 assert_fault_locked include/linux/mm.h:747 [inline]
WARNING: CPU: 1 PID: 16257 at include/linux/mmap_lock.h:71 handle_userfault+0x6d5/0x2630 fs/userfaultfd.c:440
Modules linked in:
CPU: 1 PID: 16257 Comm: syz-executor.0 Not tainted 6.5.0-rc1-next-20230712-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:673 [inline]
RIP: 0010:vma_assert_locked include/linux/mm.h:714 [inline]
RIP: 0010:assert_fault_locked include/linux/mm.h:747 [inline]
RIP: 0010:handle_userfault+0x6d5/0x2630 fs/userfaultfd.c:440
Code: 86 ff 49 8d bd a0 01 00 00 31 f6 e8 25 2e 28 08 31 ff 41 89 c7 89 c6 e8 c9 cc 86 ff 45 85 ff 0f 85 62 fb ff ff e8 4b d1 86 ff <0f> 0b e9 56 fb ff ff e8 3f d1 86 ff 49 8d bd a0 01 00 00 be ff ff
RSP: 0000:ffffc9000387fb70 EFLAGS: 00010287
RAX: 000000000000016a RBX: ffffc9000387fd98 RCX: ffffc90003e42000
RDX: 0000000000040000 RSI: ffffffff81fefab5 RDI: 0000000000000005
RBP: ffff888077709e00 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000094012 R12: 0000000000000200
R13: ffff8880226bd580 R14: ffff888077709e10 R15: 0000000000000000
FS:  00007f77073626c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020c06820 CR3: 000000008c611000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_anonymous_page mm/memory.c:4108 [inline]
 do_pte_missing mm/memory.c:3673 [inline]
 handle_pte_fault mm/memory.c:4956 [inline]
 __handle_mm_fault+0x362a/0x3f80 mm/memory.c:5096
 handle_mm_fault+0x47a/0xa00 mm/memory.c:5261
 do_user_addr_fault+0x2e7/0xfe0 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1487 [inline]
 exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1543
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f770665dba5
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:00007f77073620b8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f770679bf80 RCX: 0000000000000004
RDX: 0000000000000004 RSI: 0000000020c06820 RDI: 0000000000000000
RBP: 00007f77066c847a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000020000200 R12: 0000000000000000
R13: 000000000000000b R14: 00007f770679bf80 R15: 00007ffc630065d8
 </TASK>