Unable to handle kernel paging request at virtual address dfff800000000002 KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000002] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 19206 Comm: syz-executor.3 Not tainted 6.1.79-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : is_rec_inuse fs/ntfs3/ntfs.h:313 [inline] pc : ni_write_inode+0x178/0xfb8 fs/ntfs3/frecord.c:3258 lr : ni_write_inode+0x144/0xfb8 fs/ntfs3/frecord.c:3252 sp : ffff800024616da0 x29: ffff800024616eb0 x28: 1fffe0002514000a x27: ffff000128a00050 x26: ffff800024616e20 x25: 0000000000000016 x24: ffff000123d18ee0 x23: 0000000000000000 x22: dfff800000000000 x21: ffff000128a00000 x20: ffff000123d19110 x19: ffff7000048c2dc0 x18: 1fffe0003686f976 x17: 0000000000000000 x16: ffff80001215a3bc x15: 0000000000000002 x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000040000 x11: 0000000000ff0100 x10: 0000000000000002 x9 : ffff000123d18ec0 x8 : 0000000000000002 x7 : ffff80000968b33c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000125b50e0 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: is_rec_inuse fs/ntfs3/ntfs.h:313 [inline] ni_write_inode+0x178/0xfb8 fs/ntfs3/frecord.c:3258 ntfs_evict_inode+0x70/0xc8 fs/ntfs3/inode.c:1765 evict+0x260/0x68c fs/inode.c:666 iput_final fs/inode.c:1791 [inline] iput+0x7c0/0x8a4 fs/inode.c:1817 ntfs_new_inode+0x98/0x110 fs/ntfs3/fsntfs.c:1653 ntfs_create_inode+0x3dc/0x2a10 fs/ntfs3/inode.c:1301 ntfs_mkdir+0x54/0x74 fs/ntfs3/namei.c:214 vfs_mkdir+0x334/0x4e4 fs/namei.c:4108 ovl_do_mkdir fs/overlayfs/overlayfs.h:186 [inline] ovl_mkdir_real+0xa8/0x1fc fs/overlayfs/dir.c:146 ovl_workdir_create+0x360/0x7c8 fs/overlayfs/super.c:799 ovl_make_workdir fs/overlayfs/super.c:1389 [inline] ovl_get_workdir+0x354/0x13d4 fs/overlayfs/super.c:1539 ovl_fill_super+0x15b4/0x2254 fs/overlayfs/super.c:2095 mount_nodev+0x68/0x104 fs/super.c:1478 ovl_mount+0x3c/0x50 fs/overlayfs/super.c:2186 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1562 do_new_mount+0x278/0x8fc fs/namespace.c:3051 path_mount+0x590/0xe5c fs/namespace.c:3381 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount fs/namespace.c:3579 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3579 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: d1094289 91005919 f9001fe9 d343ff28 (38f66908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d1094289 sub x9, x20, #0x250 4: 91005919 add x25, x8, #0x16 8: f9001fe9 str x9, [sp, #56] c: d343ff28 lsr x8, x25, #3 * 10: 38f66908 ldrsb w8, [x8, x22] <-- trapping instruction