------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(tmp < 0): count = 0xffffffffffffff00, magic = 0xffff88801f0d0ab0, owner = 0x1, curr 0xffff88808bfb5940, list empty WARNING: CPU: 0 PID: 10180 at kernel/locking/rwsem.c:1348 __up_read+0x330/0x750 kernel/locking/rwsem.c:1348 Modules linked in: CPU: 0 PID: 10180 Comm: syz-executor.3 Not tainted 6.5.0-rc5-next-20230809-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:__up_read+0x330/0x750 kernel/locking/rwsem.c:1348 Code: 80 3c 02 00 0f 85 e2 03 00 00 48 8b 13 4d 89 f1 55 4d 89 e0 4c 89 f9 48 c7 c6 e0 9c 6c 8a 48 c7 c7 40 9b 6c 8a e8 d0 d6 e6 ff <0f> 0b 58 e9 12 ff ff ff be 08 00 00 00 4c 89 e7 e8 9b e2 75 00 4c RSP: 0000:ffffc9000bd9faf0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88801f0d0ab0 RCX: 0000000000000000 RDX: ffff88808bfb5940 RSI: ffffffff814e00c6 RDI: 0000000000000001 RBP: ffffffff8a6c9a80 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000190008 R12: 0000000000000001 R13: 1ffff920017b3f62 R14: ffff88808bfb5940 R15: ffff88801f0d0ab0 FS: 0000555556085480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001240 CR3: 000000003f0ee000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mmap_read_unlock include/linux/mmap_lock.h:173 [inline] maybe_unlock_mmap_for_io mm/internal.h:709 [inline] fault_dirty_shared_page+0x378/0x530 mm/memory.c:3004 wp_page_shared mm/memory.c:3324 [inline] do_wp_page+0xd72/0x3550 mm/memory.c:3393 handle_pte_fault mm/memory.c:5029 [inline] __handle_mm_fault+0x180f/0x4180 mm/memory.c:5154 handle_mm_fault+0x47a/0xa00 mm/memory.c:5319 do_user_addr_fault+0x2e7/0xfe0 arch/x86/mm/fault.c:1342 handle_page_fault arch/x86/mm/fault.c:1483 [inline] exc_page_fault+0x5c/0xd0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f159f45db1d Code: 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 f8 48 83 fa 20 72 37 c5 fe 6f 06 48 83 fa 40 0f 87 b9 00 00 00 c5 fe 6f 4c 16 e0 fe 7f 07 c5 fe 7f 4c 17 e0 0f 01 d6 75 04 c5 f8 77 c3 c5 fc 77 RSP: 002b:00007ffcd341a9a8 EFLAGS: 00010283 RAX: 0000000020001240 RBX: 00007ffcd341aab8 RCX: 00007f159f000000 RDX: 0000000000000020 RSI: 00007f159f01fb78 RDI: 0000000020001240 RBP: 0000000000000032 R08: 00007f159f400000 R09: 000000000000012b R10: 0000000081e7a704 R11: 0000000000000246 R12: 00007f159f01fb58 R13: fffffffffffffffe R14: 00007f159f000000 R15: 00007f159f01fb60