el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 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: 16594 Comm: syz-executor.0 Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : is_rec_inuse fs/ntfs3/ntfs.h:312 [inline] pc : ni_write_inode+0x178/0xfb8 fs/ntfs3/frecord.c:3261 lr : ni_write_inode+0x144/0xfb8 fs/ntfs3/frecord.c:3255 sp : ffff80002d3376a0 x29: ffff80002d3377a0 x28: 1fffe0001fe4280a x27: ffff0000ff214050 x26: ffff80002d337720 x25: 0000000000000016 x24: ffff0000de5dc280 x23: 0000000000000001 x22: dfff800000000000 x21: ffff0000ff214000 x20: ffff0000de5dc4b0 x19: ffff700005a66ee0 x18: 1fffe0003684e9b6 x17: 0000000000000000 x16: ffff80001236e3b8 x15: 0000000000000001 x14: 1ffff00002bae0b0 x13: dfff800000000000 x12: 00000000518f1684 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000de5dc260 x8 : 0000000000000002 x7 : ffff800009692df0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000127d6c60 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: is_rec_inuse fs/ntfs3/ntfs.h:312 [inline] ni_write_inode+0x178/0xfb8 fs/ntfs3/frecord.c:3261 ntfs_evict_inode+0x70/0xc8 fs/ntfs3/inode.c:1774 evict+0x260/0x68c fs/inode.c:665 iput_final fs/inode.c:1748 [inline] iput+0x734/0x818 fs/inode.c:1774 ntfs_new_inode+0x98/0x110 fs/ntfs3/fsntfs.c:1686 ntfs_create_inode+0x4ac/0x2bfc fs/ntfs3/inode.c:1300 ntfs_mkdir+0x54/0x74 fs/ntfs3/namei.c:206 vfs_mkdir+0x240/0x3a8 fs/namei.c:4038 do_mkdirat+0x20c/0x610 fs/namei.c:4061 __do_sys_mkdirat fs/namei.c:4076 [inline] __se_sys_mkdirat fs/namei.c:4074 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4074 __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+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 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