syz-executor.0[5449]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS sector size (2048) 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 23ea2067 P4D 23ea2067 PUD 1d716067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5449 Comm: syz-executor.0 Not tainted 6.5.0-syzkaller-11704-g3f86ed6ec0b3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004e5f778 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff88807c649210 RSI: 0000000000000000 RDI: ffff88807dcbb300 RBP: ffffc90004e5f9b0 R08: ffff88807e886000 R09: 0000000000000000 R10: ffffc90004e5f820 R11: fffff520009cbf24 R12: 0000000000000000 R13: ffff88807c649200 R14: dffffc0000000000 R15: 00000000000000d0 FS: 00007f2dcd6416c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000069f87000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hdr_find_e+0x33e/0x600 fs/ntfs3/index.c:759 indx_find+0x317/0xb60 fs/ntfs3/index.c:1166 dir_search_u+0x1b7/0x3a0 fs/ntfs3/dir.c:254 ntfs_lookup+0x106/0x1f0 fs/ntfs3/namei.c:85 lookup_one_qstr_excl+0x11b/0x250 fs/namei.c:1608 do_renameat2+0x650/0x1660 fs/namei.c:4953 __do_sys_rename fs/namei.c:5058 [inline] __se_sys_rename fs/namei.c:5056 [inline] __x64_sys_rename+0x86/0x90 fs/namei.c:5056 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2dcc87cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2dcd6410c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f2dcc99bf80 RCX: 00007f2dcc87cae9 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000020000040 RBP: 00007f2dcc8c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2dcc99bf80 R15: 00007ffdd8439ed8 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004e5f778 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff88807c649210 RSI: 0000000000000000 RDI: ffff88807dcbb300 RBP: ffffc90004e5f9b0 R08: ffff88807e886000 R09: 0000000000000000 R10: ffffc90004e5f820 R11: fffff520009cbf24 R12: 0000000000000000 R13: ffff88807c649200 R14: dffffc0000000000 R15: 00000000000000d0 FS: 00007f2dcd6416c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000069f87000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400