loop0: detected capacity change from 0 to 8192 ntfs3: loop0: Different NTFS' sector size (4096) and media sector size (512) BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 74d68067 P4D 74d68067 PUD 7c73f067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3680 Comm: syz-executor610 Not tainted 6.1.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003dbf5b8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff888027654288 RSI: 0000000000000000 RDI: ffffffff8b26bba0 RBP: ffffc90003dbf7f0 R08: ffff888027982000 R09: ffffc90003dbf9a0 R10: fffffbfff20b2e42 R11: 1ffffffff20b2e41 R12: ffff888027982000 R13: 0000000000000138 R14: dffffc0000000000 R15: ffff888027654278 FS: 0000555556add300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000077594000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hdr_find_e+0x2f2/0x580 fs/ntfs3/index.c:708 indx_find+0x30d/0xb20 fs/ntfs3/index.c:1068 dir_search_u+0x161/0x320 fs/ntfs3/dir.c:254 ntfs_extend_init+0x1b4/0x5a0 fs/ntfs3/fsntfs.c:214 ntfs_fill_super+0x3f20/0x42a0 fs/ntfs3/super.c:1243 get_tree_bdev+0x400/0x620 fs/super.c:1324 vfs_get_tree+0x88/0x270 fs/super.c:1531 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: 0033:0x7f4bb695bd0a Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff33fe1f98 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000555556add2c0 RCX: 00007f4bb695bd0a RDX: 0000000020020bc0 RSI: 0000000020020c00 RDI: 00007fff33fe1fe0 RBP: 0000000000000000 R08: 00007fff33fe2020 R09: 0000000000020b99 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 R13: 00007fff33fe2020 R14: 0000000000000003 R15: 00007fff33fe1fe0 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003dbf5b8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff888027654288 RSI: 0000000000000000 RDI: ffffffff8b26bba0 RBP: ffffc90003dbf7f0 R08: ffff888027982000 R09: ffffc90003dbf9a0 R10: fffffbfff20b2e42 R11: 1ffffffff20b2e41 R12: ffff888027982000 R13: 0000000000000138 R14: dffffc0000000000 R15: ffff888027654278 FS: 0000555556add300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000077594000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400