WARNING in corrupted (3)

Status: upstream: reported syz repro on 2025/09/26 12:59
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+20c8460b6762a15263f2@syzkaller.appspotmail.com
First crash: 311d, last: 311d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/09/26 linux-5.15.y (ToT) 43bb85222e53 syz [report] WARNING in udf_truncate_extents
2025/09/26 upstream (ToT) 4ff71af020ae syz Didn't crash
▶ ▼ Similar bugs (10)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in corrupted (2) -1 syz, C done 1 2166d 2166d 1/1 fixed on 2020/09/28 07:49
upstream WARNING in corrupted (2) kernel -1 syz, C done 40 1233d 2436d 0/29 closed as dup on 2020/06/28 17:00
upstream WARNING in corrupted (3) usb -1 syz, C done 19 1121d 1169d 23/29 fixed on 2023/10/12 12:47
linux-4.19 WARNING in corrupted -1 syz done 25 2492d 2644d 1/1 fixed on 2019/12/17 20:23
linux-4.14 WARNING in corrupted gfs2 -1 syz, C inconclusive 70 1246d 2612d 0/1 upstream: reported C repro on 2019/06/10 00:20
linux-5.15 WARNING in corrupted -1 syz, C done 3 1119d 1233d 3/3 fixed on 2023/09/23 10:19
android-414 WARNING in corrupted -1 syz, C 5 2560d 2607d 0/1 public: reported C repro on 2019/06/14 15:02
linux-6.1 WARNING in corrupted -1 syz, C done 3 1114d 1233d 3/3 fixed on 2023/09/27 12:10
linux-5.15 WARNING in corrupted (2) origin:lts-only -1 syz, C error 1 696d 696d 0/3 auto-obsoleted due to no activity on 2024/12/25 20:05
upstream WARNING in corrupted fs usb -1 syz, C 2 2580d 2580d 0/29 closed as invalid on 2019/08/01 15:17
▶ ▼ Last patch testing requests (3)
Created Duration User Patch Repo Result
2026/07/16 02:24 15m retest repro linux-5.15.y report log
2026/04/02 04:01 48m retest repro linux-5.15.y report log
2025/12/05 17:42 13m retest repro linux-5.15.y report log
▶ ▼ Fix bisection attempts (5)
Created Duration User Patch Repo Result
2026/05/21 11:02 12m fix candidate upstream error job log
2026/03/25 04:33 4m fix candidate upstream error job log
2026/02/21 22:35 1m fix candidate upstream error job log
2026/01/22 18:49 1m fix candidate upstream error job log
2026/01/22 02:59 0m bisect fix linux-5.15.y error job log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 155 at fs/udf/truncate.c:208 udf_truncate_extents+0xbf8/0xd70 fs/udf/truncate.c:208
Modules linked in:
CPU: 1 PID: 155 Comm: kworker/u4:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:udf_tr

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/26 12:58 linux-5.15.y 43bb85222e53 0abd0691 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan WARNING in corrupted
* Struck through repros no longer work on HEAD.