------------[ cut here ]------------ WARNING: CPU: 1 PID: 13118 at include/linux/mmap_lock.h:71 mmap_assert_write_locked include/linux/mmap_lock.h:71 [inline] WARNING: CPU: 1 PID: 13118 at include/linux/mmap_lock.h:71 __is_vma_write_locked include/linux/mm.h:712 [inline] WARNING: CPU: 1 PID: 13118 at include/linux/mmap_lock.h:71 vma_assert_locked include/linux/mm.h:753 [inline] WARNING: CPU: 1 PID: 13118 at include/linux/mmap_lock.h:71 assert_fault_locked include/linux/mm.h:786 [inline] WARNING: CPU: 1 PID: 13118 at include/linux/mmap_lock.h:71 handle_userfault+0x149b/0x27a0 fs/userfaultfd.c:440 Modules linked in: CPU: 1 PID: 13118 Comm: syz-executor.3 Not tainted 6.5.0-rc1-next-20230710-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 4f 0e 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:ffffc90015e3fb68 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffffc90015e3fd88 RCX: 0000000000000000 RDX: ffff888020b61dc0 RSI: ffffffff81fd985b RDI: 0000000000000005 RBP: 0000000000000200 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88802d114c00 R13: 0000000000000000 R14: ffff888023c5cd10 R15: ffff888023c5cd00 FS: 0000555555c35400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002057eff8 CR3: 0000000076a94000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7fa25b02bd3b Code: 48 85 c0 74 1b 48 83 f8 01 0f 85 5a 03 00 00 0f b7 44 24 18 66 c1 c0 08 0f b7 c0 48 89 44 24 18 48 8b 44 24 10 0f b7 54 24 18 <66> 89 10 e9 70 fe ff ff 48 83 7c 24 08 08 0f 85 09 03 00 00 48 8b RSP: 002b:00007ffcfacae830 EFLAGS: 00010246 RAX: 000000002057eff8 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000555555c352e8 RBP: 00007ffcfacae928 R08: 0000000000000000 R09: 0000000000000000 R10: 00007fa25ac00928 R11: 0000000000000246 R12: 00000000000fb6de R13: 00007ffcfacae950 R14: 00007fa25b1ac050 R15: 0000000000000032