loop0: detected capacity change from 0 to 4096 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 3138e067 P4D 3138e067 PUD 0 Oops: Oops: 0010 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 7545 Comm: syz.0.297 Not tainted 6.15.0-rc6-syzkaller-g172a9d94339c #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000b33f880 EFLAGS: 00010246 RAX: 1ffffffff173b28b RBX: ffffc9000b33f9a0 RCX: ffff88802689da00 RDX: 0000000000000000 RSI: ffffc9000b33f9a0 RDI: ffffc9000b33f9f0 RBP: dffffc0000000000 R08: ffff888076d1059f R09: 1ffff1100eda20b3 R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffff92001667f37 R13: ffff888076d10590 R14: ffffc9000b33f9b8 R15: 0000000000001000 FS: 00007f09e82316c0(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000005e769000 CR4: 0000000000350ef0 Call Trace: generic_file_read_iter+0x31c/0x510 mm/filemap.c:2871 copy_splice_read+0x552/0x9b0 fs/splice.c:363 do_splice_read fs/splice.c:978 [inline] splice_direct_to_actor+0x4d0/0xcc0 fs/splice.c:1083 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x181/0x270 fs/splice.c:1227 do_sendfile+0x4da/0x7d0 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1429 [inline] __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f09e738d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f09e8231038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f09e75a5fa0 RCX: 00007f09e738d169 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f09e740e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f09e75a5fa0 R15: 00007ffd36b730b8 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000b33f880 EFLAGS: 00010246 RAX: 1ffffffff173b28b RBX: ffffc9000b33f9a0 RCX: ffff88802689da00 RDX: 0000000000000000 RSI: ffffc9000b33f9a0 RDI: ffffc9000b33f9f0 RBP: dffffc0000000000 R08: ffff888076d1059f R09: 1ffff1100eda20b3 R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffff92001667f37 R13: ffff888076d10590 R14: ffffc9000b33f9b8 R15: 0000000000001000 FS: 00007f09e82316c0(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000005e769000 CR4: 0000000000350ef0