WARNING in alloc_page_buffers
Status: upstream: reported C repro on 2020/03/21 20:00
First crash: 77d, last: 77d

Cause bisection: introduced by (bisect log):

commit c9e1feb96bd90a4b51d440a015ba2f1c0562de59
Author: Dan Schatzberg <>
Date: Tue Feb 25 04:14:08 2020 +0000

  loop: charge i/o to mem and blk cg

Crash: WARNING in alloc_page_buffers (log)
Repro: C syz .config

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2020/03/17 19:54 linux-next 770fbb32 749688d2 .config log report syz C,,