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SYZFAIL: ShmemBuilder: too large output offset

Status: upstream: reported on 2025/09/07 17:23
Reported-by: syzbot+ab641108003edc683810@syzkaller.appspotmail.com
First crash: 8d13h, last: 8d13h
▶ ▼ Similar bugs (7)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-1 SYZFAIL: ShmemBuilder: too large output offset -1 5 358d 421d 0/2 auto-obsoleted due to no activity on 2024/12/21 23:57
android-5-15 SYZFAIL: ShmemBuilder: too large output offset -1 11 327d 409d 0/2 auto-obsoleted due to no activity on 2025/01/22 03:29
linux-5.15 SYZFAIL: ShmemBuilder: too large output offset -1 9 346d 439d 0/3 auto-obsoleted due to no activity on 2025/01/13 05:00
upstream SYZFAIL: ShmemBuilder: too large output offset -1 149 191d 436d 0/29 auto-obsoleted due to no activity on 2025/04/28 05:32
android-6-1 SYZFAIL: ShmemBuilder: too large output offset (2) -1 1 221d 221d 0/2 auto-obsoleted due to no activity on 2025/05/07 22:27
android-5-10 SYZFAIL: ShmemBuilder: too large output offset -1 51 327d 435d 0/2 auto-obsoleted due to no activity on 2024/12/12 16:54
android-54 SYZFAIL: ShmemBuilder: too large output offset -1 2 196d 198d 0/2 auto-obsoleted due to no activity on 2025/06/01 11:41

Sample crash report:
SYZFAIL: ShmemBuilder: too large output offset
size=262144 consumed=394960 (errno 9: Bad file descriptor)

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/07 17:23 linux-6.6.y 355bd0b51d2f d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan SYZFAIL: ShmemBuilder: too large output offset
* Struck through repros no longer work on HEAD.