Unable to handle kernel NULL pointer dereference at virtual address 0000000000000018 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 user pgtable: 4k pages, 48-bit VAs, pgdp=00000001273b4000 [0000000000000018] pgd=0800000129345003, p4d=0800000129345003, pud=08000001273c3003, pmd=0000000000000000 Internal error: Oops: 96000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 15092 Comm: syz-executor.1 Not tainted 5.19.0-rc8-syzkaller-01618-g680fb5b009e8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/20/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ntfs_update_mftmirr+0x3c/0x328 fs/ntfs3/fsntfs.c:834 lr : ntfs_update_mftmirr+0x30/0x328 fs/ntfs3/fsntfs.c:831 sp : ffff8000140c3c50 x29: ffff8000140c3c60 x28: 00000000000a0003 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000000 x24: ffff0000c053f770 x23: 0000000000000000 x22: ffff0000c053f770 x21: ffff0000e6abbd68 x20: 0000000000000000 x19: ffff0000e656f000 x18: 0000000000000000 x17: ffff80000dcfd698 x16: ffff80000db3b658 x15: ffff0000e644cec0 x14: 0000000000020016 x13: 00000000f0000000 x12: 00000000f0000000 x11: ff80800008bfd55c x10: 0000000000000000 x9 : ffff800008bfd55c x8 : ffff0000e644cec0 x7 : ffff8000084b2594 x6 : 0000000000000000 x5 : 0000000000240000 x4 : 0000000000100000 x3 : 0000000000000000 x2 : ffff0000e644cec0 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ntfs_update_mftmirr+0x3c/0x328 fs/ntfs3/fsntfs.c:838 put_ntfs+0xec/0x13c fs/ntfs3/super.c:463 ntfs_fs_free+0x30/0x70 fs/ntfs3/super.c:1365 put_fs_context+0x80/0x278 fs/fs_context.c:469 fscontext_release+0x30/0x4c fs/fsopen.c:73 __fput+0x198/0x3bc fs/file_table.c:317 ____fput+0x20/0x30 fs/file_table.c:350 task_work_run+0xc4/0x208 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x174/0x1d0 arch/arm64/kernel/signal.c:1117 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x14c arch/arm64/kernel/entry-common.c:625 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642 el0t_64_sync+0x18c/0x190 Code: 97da7930 f940027a b9405277 2a1f03e0 (f9400f55) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 97da7930 bl 0xffffffffff69e4c0 4: f940027a ldr x26, [x19] 8: b9405277 ldr w23, [x19, #80] c: 2a1f03e0 mov w0, wzr * 10: f9400f55 ldr x21, [x26, #24] <-- trapping instruction