WARNING in ntfs_evict_inode

Status: upstream: reported C repro on 2026/09/17 05:53
Subsystems: ntfs3
[Documentation on labels]
Reported-by: syzbot+3db654d91b471c4d7a7d@syzkaller.appspotmail.com
First crash: 7h14m, last: 3h50m
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [ntfs3?] WARNING in ntfs_evict_inode 0 (1) 2026/09/17 05:53
Cause bisection attempts (1)
Created Duration User Patch Repo Result
2026/09/17 04:23 bisect upstream running

Sample crash report:
------------[ cut here ]------------
ifs_is_fully_uptodate(folio, ifs) != folio_test_uptodate(folio)
WARNING: fs/iomap/buffered-io.c:295 at ifs_free+0x34a/0x410 fs/iomap/buffered-io.c:294, CPU#1: syz-executor196/5626
Modules linked in:
CPU: 1 UID: 0 PID: 5626 Comm: syz-executor196 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ifs_free+0x34a/0x410 fs/iomap/buffered-io.c:294
Code: 41 5f 5d e9 b8 66 c1 ff e8 83 47 61 ff 90 0f 0b 90 e9 d5 fe ff ff e8 75 47 61 ff 90 0f 0b 90 e9 12 ff ff ff e8 67 47 61 ff 90 <0f> 0b 90 eb c7 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 08 fe ff ff
RSP: 0018:ffffc90004a3f5d8 EFLAGS: 00010293
RAX: ffffffff826553d9 RBX: 0000000000000008 RCX: ffff888038a19f40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000008265d201 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff9400023c4e1 R12: ffff888028521084
R13: ffff888028521000 R14: ffffea00011e2700 R15: 0000000000000000
FS:  0000555586e47400(0000) GS:ffff888125ccb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0595ca6000 CR3: 000000001bbb4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 folio_invalidate mm/truncate.c:140 [inline]
 truncate_cleanup_folio+0xcb/0x190 mm/truncate.c:160
 truncate_inode_pages_range+0x2c4/0xd80 mm/truncate.c:404
 ntfs_evict_inode+0x19/0x40 fs/ntfs3/inode.c:2012
 evict+0x624/0xb50 fs/inode.c:822
 dispose_list fs/inode.c:864 [inline]
 evict_inodes+0x7e3/0x870 fs/inode.c:918
 generic_shutdown_super+0xaa/0x2d0 fs/super.c:741
 kill_block_super+0x44/0xa0 fs/super.c:1904
 ntfs3_kill_sb+0x44/0x1c0 fs/ntfs3/super.c:1940
 deactivate_locked_super+0xbc/0x110 fs/super.c:589
 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 ptrace_notify+0x27c/0x2b0 kernel/signal.c:2536
 ptrace_report_syscall include/linux/ptrace.h:416 [inline]
 ptrace_report_syscall_exit+0x2d/0x50 include/linux/ptrace.h:477
 arch_ptrace_report_syscall_exit include/linux/entry-common.h:240 [inline]
 syscall_exit_work include/linux/entry-common.h:273 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:304 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:341 [inline]
 do_syscall_64+0x4a0/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6e5f33cec7
Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 08 6c 0c 00 00 00 00 00 eb 96 e8 91 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffdde381518 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 000000000001a4fc RCX: 00007f6e5f33cec7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdde3815d0
RBP: 00007ffdde3815d0 R08: 00007ffdde3825d0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdde382680
R13: 0000555586e48760 R14: 431bde82d7b634db R15: 00007ffdde382624
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/09/17 03:11 upstream 238650ef6c7c 95928915 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs WARNING in ntfs_evict_inode
2026/09/16 23:46 upstream 238650ef6c7c 95928915 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs WARNING in ntfs_evict_inode
* Struck through repros no longer work on HEAD.