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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 4a4be1ad3a6e Revert "vfs: Delete the associated dentry whe.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=128638ba980000 kernel config: https://syzkaller.appspot.com/x/.config?x=bd6024aedb15e15c dashboard link: https://syzkaller.appspot.com/bug?extid=c67d06ab25a9bc4adf35 compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=106f71aa980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16b4ffc6980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/384ffdcca292/non_bootable_disk-4a4be1ad.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/75957361122b/vmlinux-4a4be1ad.xz kernel image: https://storage.googleapis.com/syzbot-assets/6c766b0ec377/Image-4a4be1ad.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c67d06ab25a9bc4adf35@syzkaller.appspotmail.com Unable to handle kernel paging request at virtual address 00700000077b9b78 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [00700000077b9b78] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 3186 Comm: syz-executor162 Not tainted 6.10.0-rc1-syzkaller-00027-g4a4be1ad3a6e #0 Hardware name: linux,dummy-virt (DT) pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : ma_data_end lib/maple_tree.c:1419 [inline] pc : mtree_range_walk lib/maple_tree.c:2771 [inline] pc : mas_state_walk lib/maple_tree.c:3678 [inline] pc : mas_walk+0x194/0x328 lib/maple_tree.c:4909 lr : lock_vma_under_rcu+0x58/0x134 mm/memory.c:5840 sp : ffff800088cabd50 x29: ffff800088cabd50 x28: f2f0000005e50000 x27: 0000000000000000 x26: 0000000000000004 x25: f7f0000005c03900 x24: 0000000082000007 x23: 0000ffff82687800 x22: 0000000000000354 x21: 0000ffff82687800 x20: 0000ffff82687800 x19: ffff800088cabeb0 x18: ff7ffffffffffbff x17: 0000aaaadab2dc00 x16: 1e4e000000ef7371 x15: 0000000000000001 x14: ffffffffffffffff x13: 0000000000000000 x12: ffff800081e3d1e8 x11: 0000000000000001 x10: f2700000077b9b8c x9 : f2700000077b9b00 x8 : 0000ffff82687800 x7 : 0000000000000001 x6 : 000000000000000e x5 : 0000000000000001 x4 : ffff800088cabd78 x3 : 0000aaaadab2dc00 x2 : 000000000000000e x1 : 000000000000000f x0 : f2700000077b9b08 Call trace: ma_data_end lib/maple_tree.c:1418 [inline] mtree_range_walk lib/maple_tree.c:2771 [inline] mas_state_walk lib/maple_tree.c:3678 [inline] mas_walk+0x194/0x328 lib/maple_tree.c:4909 do_page_fault+0xd4/0x480 arch/arm64/mm/fault.c:567 do_translation_fault+0xac/0xbc arch/arm64/mm/fault.c:690 do_mem_abort+0x44/0x94 arch/arm64/mm/fault.c:826 el0_ia+0xa4/0x118 arch/arm64/kernel/entry-common.c:598 el0t_64_sync_handler+0xd0/0x12c arch/arm64/kernel/entry-common.c:736 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598 Code: 91002120 51000426 92401cc2 12001cc6 (f8627802) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 91002120 add x0, x9, #0x8 4: 51000426 sub w6, w1, #0x1 8: 92401cc2 and x2, x6, #0xff c: 12001cc6 and w6, w6, #0xff * 10: f8627802 ldr x2, [x0, x2, lsl #3] <-- trapping instruction --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup