WARNING in evict (2)

Status: moderation: reported on 2026/08/17 23:22
Subsystems: fs
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+9f4809929f7e4aa2994d@syzkaller.appspotmail.com
First crash: 5d00h, last: 5d00h
✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision
52ae00bd assessment-security DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ WARNING in evict (2) 2026/08/15 00:40 2026/08/15 00:40 2026/08/15 01:41 746171ee
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in evict ntfs3 -1 1 1215d 1211d 0/29 auto-obsoleted due to no activity on 2023/08/19 16:37

Sample crash report:
Unable to read inode block
------------[ cut here ]------------
!buffer_uptodate(bh)
WARNING: fs/buffer.c:1093 at mark_buffer_dirty+0x299/0x410 fs/buffer.c:1093, CPU#0: syz.0.0/5317
Modules linked in:
CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:mark_buffer_dirty+0x299/0x410 fs/buffer.c:1093
Code: 4c 89 f7 e8 99 fd d8 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 04 5e fb ff e8 cf c7 69 ff eb 8c e8 c8 c7 69 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 ba c7 69 ff 90 0f 0b 90 e9 cf fd ff ff
RSP: 0018:ffffc9000e2978b0 EFLAGS: 00010283
RAX: ffffffff825d49e8 RBX: ffff8880438e9c40 RCX: 0000000000100000
RDX: ffffc9000f7b9000 RSI: 0000000000000e9c RDI: 0000000000000e9d
RBP: ffffc9000e297a01 R08: ffff8880438e9c47 R09: 1ffff1100871d388
R10: dffffc0000000000 R11: ffffed100871d389 R12: ffff8880439230b0
R13: 1ffff92001c52f28 R14: ffffffff82aa3bd0 R15: 0000000000000001
FS:  00007ff50dbd46c0(0000) GS:ffff88808c547000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9a9871270 CR3: 0000000012bb3000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 evict+0x624/0xb50 fs/inode.c:825
 add_nondir fs/minix/namei.c:18 [inline]
 minix_mknod fs/minix/namei.c:50 [inline]
 minix_create+0x88/0xb0 fs/minix/namei.c:69
 lookup_open fs/namei.c:4508 [inline]
 open_last_lookups fs/namei.c:4608 [inline]
 path_openat+0x133a/0x3830 fs/namei.c:4860
 do_file_open+0x23e/0x4a0 fs/namei.c:4892
 do_sys_openat2+0x115/0x200 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff51179e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff50dbd3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff511a26090 RCX: 00007ff51179e0d9
RDX: 000000000000275a RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007ff511835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff511a26128 R14: 00007ff511a26090 R15: 00007ffdbc66c378
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/13 23:20 upstream 3aa1dcaa4f6f b13552fe .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in evict
* Struck through repros no longer work on HEAD.