ntfs3: loop0: ino=21, "bus" mmap(write) compressed not supported BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 8000000074c0c067 P4D 8000000074c0c067 PUD 74c0d067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 5083 Comm: syz-executor297 Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc900035bfa98 EFLAGS: 00010282 RAX: 1ffffffff17f8f43 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffea0001fdde40 RDI: ffff88807757f318 RBP: ffffc900035bfc00 R08: ffffffff81cfb65a R09: 1ffffd40003fbbc8 R10: dffffc0000000000 R11: 0000000000000000 R12: ffff8880229d7148 R13: ffff8880229d7160 R14: ffffea0001fdde40 R15: 1ffff920006b7f68 FS: 000055558d24b480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000022df8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: attr_make_nonresident+0xa49/0xe80 fs/ntfs3/attrib.c:301 attr_force_nonresident+0x1e9/0x280 fs/ntfs3/attrib.c:2586 ntfs_fallocate+0x781/0x1280 fs/ntfs3/file.c:584 vfs_fallocate+0x564/0x6c0 fs/open.c:330 ksys_fallocate fs/open.c:353 [inline] __do_sys_fallocate fs/open.c:361 [inline] __se_sys_fallocate fs/open.c:359 [inline] __x64_sys_fallocate+0xbd/0x110 fs/open.c:359 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2369638019 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fff42187fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2369638019 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00007fff42188010 R09: 00007fff42188010 R10: 00000000001000f4 R11: 0000000000000246 R12: 00007fff42188010 R13: 00007fff42188298 R14: 431bde82d7b634db R15: 00007f236968103b Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc900035bfa98 EFLAGS: 00010282 RAX: 1ffffffff17f8f43 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffea0001fdde40 RDI: ffff88807757f318 RBP: ffffc900035bfc00 R08: ffffffff81cfb65a R09: 1ffffd40003fbbc8 R10: dffffc0000000000 R11: 0000000000000000 R12: ffff8880229d7148 R13: ffff8880229d7160 R14: ffffea0001fdde40 R15: 1ffff920006b7f68 FS: 000055558d24b480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000022df8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400