Hello, syzbot found the following issue on: HEAD commit: 9e6869691724 Add linux-next specific files for 20240812 git tree: linux-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=17cbe35d980000 kernel config: https://syzkaller.appspot.com/x/.config?x=61ba6f3b22ee5467 dashboard link: https://syzkaller.appspot.com/bug?extid=78eeb671facb19832e95 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15c473d9980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15486c05980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/f1b086192f50/disk-9e686969.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b457920fb52e/vmlinux-9e686969.xz kernel image: https://storage.googleapis.com/syzbot-assets/e63ba9cce98a/bzImage-9e686969.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/f70931fddf9e/mount_0.gz Bisection is inconclusive: the first bad commit could be any of: 02d8a3227f49 hostfs: Convert hostfs_write_end() to use a folio a060d835cf76 fuse: Convert fuse_write_begin() to use a folio c8dbe54a2e0b jffs2: Convert jffs2_write_end() to use a folio 0ee818cc42fc jffs2: Convert jffs2_write_begin() to use a folio bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=161e0ef3980000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+78eeb671facb19832e95@xxxxxxxxxxxxxxxxxxxxxxxxx ntfs3: loop0: Failed to initialize $Extend/$ObjId. ------------[ cut here ]------------ kernel BUG at include/linux/highmem.h:275! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5229 Comm: syz-executor130 Not tainted 6.11.0-rc3-next-20240812-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:zero_user_segments+0x28b/0x290 include/linux/highmem.h:275 Code: 02 02 e9 47 fe ff ff e8 23 30 a8 fe 89 ea be 00 10 00 00 48 c7 c7 30 86 ce 8e e8 e0 7b 02 02 e9 d3 fe ff ff e8 06 30 a8 fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc90003a574a0 EFLAGS: 00010293 RAX: ffffffff82eb5e4a RBX: ffffea0001d39440 RCX: ffff888029bd5a00 RDX: 0000000000000000 RSI: 0000000000001001 RDI: 0000000000001000 RBP: 0000000000001000 R08: ffffffff82eb5c85 R09: 1ffffd40003a7288 R10: dffffc0000000000 R11: fffff940003a7289 R12: 0000000000001001 R13: 0000000000000000 R14: 1ffffd40003a7288 R15: 0000000000001001 FS: 0000555572aa0380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007febeca54100 CR3: 0000000077864000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> folio_zero_range include/linux/highmem.h:647 [inline] ntfs_extend_initialized_size+0x50b/0x950 fs/ntfs3/file.c:215 ntfs_extend+0x3fe/0x480 fs/ntfs3/file.c:403 ntfs_file_write_iter+0x3d1/0x740 fs/ntfs3/file.c:1187 iter_file_splice_write+0xbd7/0x14e0 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x11e/0x220 fs/splice.c:1164 splice_direct_to_actor+0x58e/0xc90 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x28c/0x3e0 fs/splice.c:1233 vfs_copy_file_range+0xd37/0x1530 fs/read_write.c:1558 __do_sys_copy_file_range fs/read_write.c:1612 [inline] __se_sys_copy_file_range+0x3f2/0x5d0 fs/read_write.c:1575 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: 0033:0x7febec9bcdd9 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:00007ffef5b189d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007febec9bcdd9 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007febeca505f0 R08: 0000000000000006 R09: 0000000000000000 R10: 00000000200000c0 R11: 0000000000000246 R12: 00007ffef5b18a10 R13: 00007ffef5b18c38 R14: 431bde82d7b634db R15: 00007febeca0603b </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:zero_user_segments+0x28b/0x290 include/linux/highmem.h:275 Code: 02 02 e9 47 fe ff ff e8 23 30 a8 fe 89 ea be 00 10 00 00 48 c7 c7 30 86 ce 8e e8 e0 7b 02 02 e9 d3 fe ff ff e8 06 30 a8 fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc90003a574a0 EFLAGS: 00010293 RAX: ffffffff82eb5e4a RBX: ffffea0001d39440 RCX: ffff888029bd5a00 RDX: 0000000000000000 RSI: 0000000000001001 RDI: 0000000000001000 RBP: 0000000000001000 R08: ffffffff82eb5c85 R09: 1ffffd40003a7288 R10: dffffc0000000000 R11: fffff940003a7289 R12: 0000000000001001 R13: 0000000000000000 R14: 1ffffd40003a7288 R15: 0000000000001001 FS: 0000555572aa0380(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007febeca54100 CR3: 0000000077864000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
