syzbot


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: 17d, last: 17d
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 C done 1 1872d 1872d 1/1 fixed on 2020/09/28 07:49
upstream WARNING in corrupted (2) kernel -1 C done 40 939d 2142d 0/29 closed as dup on 2020/06/28 17:00
upstream WARNING in corrupted (3) usb -1 C done 19 827d 875d 23/29 fixed on 2023/10/12 12:47
linux-4.19 WARNING in corrupted -1 syz done 25 2198d 2350d 1/1 fixed on 2019/12/17 20:23
linux-4.14 WARNING in corrupted gfs2 -1 C inconclusive 70 952d 2317d 0/1 upstream: reported C repro on 2019/06/10 00:20
linux-5.15 WARNING in corrupted -1 C done 3 825d 939d 3/3 fixed on 2023/09/23 10:19
android-414 WARNING in corrupted -1 C 5 2266d 2313d 0/1 public: reported C repro on 2019/06/14 15:02
linux-6.1 WARNING in corrupted -1 C done 3 820d 939d 3/3 fixed on 2023/09/27 12:10
linux-5.15 WARNING in corrupted (2) origin:lts-only -1 C error 1 402d 402d 0/3 auto-obsoleted due to no activity on 2024/12/25 20:05
upstream WARNING in corrupted fs usb -1 C 2 2285d 2285d 0/29 closed as invalid on 2019/08/01 15:17

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.