ntfs: volume version 3.1. BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 7bba8067 P4D 7bba8067 PUD 3428d067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4932 Comm: syz-executor.0 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #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:ffffc90005d5f618 EFLAGS: 00010283 RAX: ffffffff81b52218 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90004cf1000 RSI: ffffea0000eb2440 RDI: 0000000000000000 RBP: ffffc90005d5f700 R08: dffffc0000000000 R09: fffff940001d6489 R10: fffff940001d6489 R11: 1ffffd40001d6488 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffea0000eb2440 R15: ffffea0000eb2448 FS: 00007fcc60d76700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000076440000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407 do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534 do_read_cache_page mm/filemap.c:3576 [inline] read_cache_page+0x56/0x270 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+0x381/0x28f0 fs/ntfs/logfile.c:532 load_and_check_logfile+0x6f/0xd0 fs/ntfs/super.c:1215 load_system_files+0x31f4/0x4870 fs/ntfs/super.c:1941 ntfs_fill_super+0x19a9/0x2bf0 fs/ntfs/super.c:2892 mount_bdev+0x26c/0x3a0 fs/super.c:1400 legacy_get_tree+0xea/0x180 fs/fs_context.c:610 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fcc6008cada 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:00007fcc60d75f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fcc6008cada RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fcc60d75fe0 RBP: 00007fcc60d76020 R08: 00007fcc60d76020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fcc60d75fe0 R15: 0000000020077ea0 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90005d5f618 EFLAGS: 00010283 RAX: ffffffff81b52218 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc90004cf1000 RSI: ffffea0000eb2440 RDI: 0000000000000000 RBP: ffffc90005d5f700 R08: dffffc0000000000 R09: fffff940001d6489 R10: fffff940001d6489 R11: 1ffffd40001d6488 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffea0000eb2440 R15: ffffea0000eb2448 FS: 00007fcc60d76700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000076440000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400