------------[ cut here ]------------ kernel BUG at fs/ntfs/file.c:514! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 22199 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:514 [inline] RIP: 0010:ntfs_perform_write.isra.0+0x194a/0x8570 fs/ntfs/file.c:1857 Code: 13 00 00 01 bf 00 10 00 00 44 89 fe e8 af 92 1b ff 41 81 ff 00 10 00 00 0f 86 a7 fe ff ff e8 2d 91 1b ff 0f 0b e8 26 91 1b ff <0f> 0b e8 1f 91 1b ff 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffff8880b0c676a0 EFLAGS: 00010293 RAX: ffff888096cc8580 RBX: 0000000000000000 RCX: ffffffff8246de6a RDX: 0000000000000000 RSI: ffffffff8246f44a RDI: 0000000000000005 RBP: ffff8880b0c679a0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffea00012fefc0 R15: 0000000000000003 FS: 00007f5a7e9c5700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056400d726c28 CR3: 00000000af5b9000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntfs_file_write_iter+0x5d9/0x23b0 fs/ntfs/file.c:1951 call_write_iter include/linux/fs.h:1821 [inline] do_iter_readv_writev+0x668/0x790 fs/read_write.c:681 do_iter_write+0x182/0x5d0 fs/read_write.c:960 vfs_writev+0x153/0x2e0 fs/read_write.c:1005 do_pwritev fs/read_write.c:1094 [inline] __do_sys_pwritev fs/read_write.c:1141 [inline] __se_sys_pwritev fs/read_write.c:1136 [inline] __x64_sys_pwritev+0x22b/0x310 fs/read_write.c:1136 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f5a804530c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007f5a7e9c5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007f5a80572f80 RCX: 00007f5a804530c9 RDX: 0000000000000001 RSI: 00000000200002c0 RDI: 0000000000000004 RBP: 00007f5a804aeae9 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000ffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0f12a69f R14: 00007f5a7e9c5300 R15: 0000000000022000 Modules linked in: ntfs: volume version 3.1. overlayfs: unrecognized mount option "workbYl²./bus" or missing value ---[ end trace f8162c8e676e1732 ]--- RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:514 [inline] RIP: 0010:ntfs_perform_write.isra.0+0x194a/0x8570 fs/ntfs/file.c:1857 Code: 13 00 00 01 bf 00 10 00 00 44 89 fe e8 af 92 1b ff 41 81 ff 00 10 00 00 0f 86 a7 fe ff ff e8 2d 91 1b ff 0f 0b e8 26 91 1b ff <0f> 0b e8 1f 91 1b ff 48 8b 54 24 08 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffff8880b0c676a0 EFLAGS: 00010293 RAX: ffff888096cc8580 RBX: 0000000000000000 RCX: ffffffff8246de6a RDX: 0000000000000000 RSI: ffffffff8246f44a RDI: 0000000000000005 RBP: ffff8880b0c679a0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffea00012fefc0 R15: 0000000000000003 FS: 00007f5a7e9c5700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd0cdf9c20 CR3: 00000000af5b9000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400