------------[ cut here ]------------ kernel BUG at fs/ntfs/file.c:493! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 25453 Comm: syz-executor.3 Not tainted 6.5.0-rc4-syzkaller-00174-gc1a515d3c027 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:493 [inline] RIP: 0010:ntfs_perform_write.isra.0+0x1835/0x3170 fs/ntfs/file.c:1833 Code: 8b 44 24 38 41 89 d9 41 89 e8 48 c7 c2 20 db a1 8a 48 c7 c7 e0 e0 a1 8a 48 8b 30 e8 a5 21 ff ff e9 30 fa ff ff e8 4b f9 d1 fe <0f> 0b e8 44 f9 d1 fe 48 8b 5c 24 20 31 ff 48 89 de e8 c5 f4 d1 fe RSP: 0018:ffffc90004effa80 EFLAGS: 00010283 RAX: 000000000002939e RBX: 0000000000000000 RCX: ffffc90003ec2000 RDX: 0000000000040000 RSI: ffffffff82b40ed5 RDI: 0000000000000005 RBP: ffffc90004effb90 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 3030303030302052 R12: ffffea00013ec7c0 R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f7f1db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000ee23f000 CR3: 000000006bc08000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntfs_file_write_iter+0xbff/0x1e00 fs/ntfs/file.c:1916 call_write_iter include/linux/fs.h:1871 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x650/0xe40 fs/read_write.c:584 ksys_write+0x12f/0x250 fs/read_write.c:637 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f22579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f1d5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000000 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:493 [inline] RIP: 0010:ntfs_perform_write.isra.0+0x1835/0x3170 fs/ntfs/file.c:1833 Code: 8b 44 24 38 41 89 d9 41 89 e8 48 c7 c2 20 db a1 8a 48 c7 c7 e0 e0 a1 8a 48 8b 30 e8 a5 21 ff ff e9 30 fa ff ff e8 4b f9 d1 fe <0f> 0b e8 44 f9 d1 fe 48 8b 5c 24 20 31 ff 48 89 de e8 c5 f4 d1 fe RSP: 0018:ffffc90004effa80 EFLAGS: 00010283 RAX: 000000000002939e RBX: 0000000000000000 RCX: ffffc90003ec2000 RDX: 0000000000040000 RSI: ffffffff82b40ed5 RDI: 0000000000000005 RBP: ffffc90004effb90 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 3030303030302052 R12: ffffea00013ec7c0 R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f7f1db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000ee23f000 CR3: 000000006bc08000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi