BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 1d5b9067 P4D 1d5b9067 PUD 789f3067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 23126 Comm: syz-executor.0 Not tainted 6.1.0-rc1-syzkaller-00427-gd47136c28015 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90005b37868 EFLAGS: 00010216 RAX: 000000000001a4fa RBX: 0000000000000000 RCX: ffffc90004c71000 RDX: 0000000000040000 RSI: ffffea00028a16c0 RDI: 0000000000000000 RBP: ffffea00028a16c0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff92000b66f0e R13: 0000000000000000 R14: 0000000000000000 R15: ffffea00028a16c0 FS: 00007f6bf33ed700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000027727000 CR4: 0000000000350ef0 Call Trace: filemap_read_folio+0xdb/0x2c0 mm/filemap.c:2407 do_read_cache_folio+0x1df/0x510 mm/filemap.c:3534 do_read_cache_page mm/filemap.c:3576 [inline] read_cache_page+0x59/0x170 mm/filemap.c:3585 read_mapping_page include/linux/pagemap.h:756 [inline] ntfs_map_page fs/ntfs/aops.h:75 [inline] ntfs_check_logfile+0x297/0x23b0 fs/ntfs/logfile.c:532 load_and_check_logfile fs/ntfs/super.c:1215 [inline] load_system_files fs/ntfs/super.c:1941 [inline] ntfs_fill_super+0x5b63/0x92d0 fs/ntfs/super.c:2892 mount_bdev+0x34d/0x410 fs/super.c:1400 legacy_get_tree+0x105/0x220 fs/fs_context.c:610 vfs_get_tree+0x89/0x2f0 fs/super.c:1530 do_new_mount fs/namespace.c:3040 [inline] path_mount+0x1326/0x1e20 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6bf228cb2a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6bf33ecf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f6bf228cb2a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f6bf33ecfe0 RBP: 00007f6bf33ed020 R08: 00007f6bf33ed020 R09: 0000000020000000 R10: 0000000000800001 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f6bf33ecfe0 R15: 0000000020000f00 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90005b37868 EFLAGS: 00010216 RAX: 000000000001a4fa RBX: 0000000000000000 RCX: ffffc90004c71000 RDX: 0000000000040000 RSI: ffffea00028a16c0 RDI: 0000000000000000 RBP: ffffea00028a16c0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff92000b66f0e R13: 0000000000000000 R14: 0000000000000000 R15: ffffea00028a16c0 FS: 00007f6bf33ed700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000027727000 CR4: 0000000000350ef0