loop3: detected capacity change from 0 to 4096 Unable to handle kernel paging request at virtual address dfff800000000001 KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [dfff800000000001] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 8056 Comm: syz.3.272 Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : run_lookup fs/ntfs3/run.c:39 [inline] pc : run_is_mapped_full+0x44/0x3f4 fs/ntfs3/run.c:173 lr : run_is_mapped_full+0x3c/0x3f4 fs/ntfs3/run.c:168 sp : ffff80009e2274d0 x29: ffff80009e2274e0 x28: ffff0000ecc5bbb0 x27: 1ffff00013c44ef8 x26: dfff800000000000 x25: ffff80009e227820 x24: 000000000000003c x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000008 x20: 0000000000000000 x19: 0000000000000000 x18: ffffffffffffffff x17: 0000000000038ec6 x16: ffff800080347214 x15: 0000000000000001 x14: 0000000000000002 x13: 0000000000000001 x12: ffff0000ca5cbc80 x11: 0000000000040000 x10: 000000000001af05 x9 : ffff8000a6705000 x8 : 0000000000000001 x7 : ffff80009e227840 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: run_lookup fs/ntfs3/run.c:39 [inline] run_is_mapped_full+0x44/0x3f4 fs/ntfs3/run.c:173 attr_load_runs fs/ntfs3/attrib.c:69 [inline] attr_set_size+0xbc0/0x3468 fs/ntfs3/attrib.c:502 ntfs_create_inode+0x1be0/0x2b08 fs/ntfs3/inode.c:1716 ntfs_symlink+0xd8/0x104 fs/ntfs3/namei.c:197 vfs_symlink+0x138/0x28c fs/namei.c:4568 do_symlinkat+0x1bc/0x45c fs/namei.c:4594 __do_sys_symlinkat fs/namei.c:4610 [inline] __se_sys_symlinkat fs/namei.c:4607 [inline] __arm64_sys_symlinkat+0x9c/0xb4 fs/namei.c:4607 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Code: f2fbfffa 97b62b46 91002295 d343fea8 (387a6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f2fbfffa movk x26, #0xdfff, lsl #48 4: 97b62b46 bl 0xfffffffffed8ad1c 8: 91002295 add x21, x20, #0x8 c: d343fea8 lsr x8, x21, #3 * 10: 387a6908 ldrb w8, [x8, x26] <-- trapping instruction