net-next test error: BUG: using smp_processor_id() in preemptible code in corrupted

Status: fixed on 2020/07/17 17:58
Fix commit: 811985365378 ext4: mballoc: Use this_cpu_read instead of this_cpu_ptr
First crash: 2253d, last: 2251d

Sample crash report:
   56.424728][ T6829] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6829

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts.
2020/06/14 09:46:50 fuzzer started
2020/06/14 09:46:50 connecting to host at 10.128.0.26:38217
2020/06/14 09:46:50 checking machine...
2020/06/14 09:46:50 checking revisions...
2020/06/14 09:46:50 testing simple program...
2020/06/14 09:46:51 building call list...
executing program

Crashes (4):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/06/14 09:47 net-next-old 96144c58abe7 2e9b5f59 .config console log report ci-upstream-net-kasan-gce
2020/06/13 06:38 net-next-old af7b4801030c f4724dd3 .config console log report ci-upstream-net-kasan-gce
2020/06/13 02:34 net-next-old af7b4801030c f4724dd3 .config console log report ci-upstream-net-kasan-gce
2020/06/12 15:37 net-next-old af7b4801030c df590254 .config console log report ci-upstream-net-kasan-gce
* Struck through repros no longer work on HEAD.