WARNING in corrupted (4)

Status: upstream: reported syz repro on 2026/10/27 12:08
Subsystems: mm usb
[Documentation on labels]
Reported-by: syzbot+9fe09db3795456e0b442@syzkaller.appspotmail.com
First crash: 2d16h, last: 2d16h
▶ ▼ ✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision
f171c001 assessment-security DenialOfService: ✅ Exploitable: ✅ FilesystemTrigger: ❌ FuzzingArtifact: ❌ MemoryCorruption: ✅ NetworkNeedsSetup: ❌ NetworkTrigger: ❌ PeripheralTrigger: ✅ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ WARNING in corrupted (4) 2026/10/25 07:35 2026/10/25 07:35 2026/10/25 08:18 1d9ca40b
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [mm?] [usb?] WARNING in corrupted (4) 1 (3) 2026/10/27 17:10
▶ ▼ Similar bugs (11)
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 2251d 2251d 1/1 fixed on 2020/09/28 07:49
upstream WARNING in corrupted (2) kernel -1 syz, C done 40 1318d 2521d 0/29 closed as dup on 2020/06/28 17:00
upstream WARNING in corrupted (3) usb -1 syz, C done 19 1206d 1254d 23/29 fixed on 2023/10/12 12:47
linux-4.19 WARNING in corrupted -1 syz done 25 2577d 2729d 1/1 fixed on 2019/12/17 20:23
linux-4.14 WARNING in corrupted gfs2 -1 syz, C inconclusive 70 1331d 2696d 0/1 upstream: reported C repro on 2019/06/10 00:20
linux-5.15 WARNING in corrupted -1 syz, C done 3 1204d 1318d 3/3 fixed on 2023/09/23 10:19
linux-5.15 WARNING in corrupted (3) origin:lts-only -1 syz error 1 396d 396d 0/3 upstream: reported syz repro on 2025/09/26 12:59
android-414 WARNING in corrupted -1 syz, C 5 2645d 2692d 0/1 public: reported C repro on 2019/06/14 15:02
linux-6.1 WARNING in corrupted -1 syz, C done 3 1199d 1318d 3/3 fixed on 2023/09/27 12:10
linux-5.15 WARNING in corrupted (2) origin:lts-only -1 syz, C error 1 781d 781d 0/3 auto-obsoleted due to no activity on 2024/12/25 20:05
upstream WARNING in corrupted fs usb -1 syz, C 2 2664d 2664d 0/29 closed as invalid on 2019/08/01 15:17
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2026/10/27 14:42 21m harry@kernel.org patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5b0764a53235 report job log log

Sample crash report:
------------[ cut here ]------------
!PageLargeKmalloc(page)
WARNING: mm/slub.c:6855 at free_large_kmalloc+0x97/0x110 mm/slub.c:6855, CPU#0: kworker/0:1/10

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/25 07:34 upstream 5b0764a53235 1d9ca40b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in corrupted
* Struck through repros no longer work on HEAD.