syzbot


WARNING in cfg80211_dev_rename
Status: fixed on 2021/04/09 19:46
Reported-by: syzbot+ed107c5fa3e21cdcd86e@syzkaller.appspotmail.com
Fix commit: 0391a45c8007 nl80211: call cfg80211_dev_rename() under RTNL
First crash: 310d, last: 304d

Cause bisection: the cause commit could be any of (bisect log):
  2fe8ef106238 cfg80211: change netdev registration/unregistration semantics
  a05829a7222e cfg80211: avoid holding the RTNL when calling the driver
  38ec7c6b6bd6 virt_wifi: fix deadlock on RTNL

Sample crash report:

Crashes (22):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2021/01/28 12:12 net-next d1f3bdd4eaae eefc07f2 .config log report syz C WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/02/03 08:34 net-next 9ae4bdc6e4c1 624dad51 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/02/02 05:53 net-next 1a2b60f6f165 e6b95f32 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/02/01 23:32 net-next 14e8e0f60088 e6b95f32 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/31 22:58 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/31 16:46 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/31 16:37 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/31 16:36 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/31 12:21 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/31 02:29 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/30 11:55 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/29 03:05 net-next d1f3bdd4eaae 7df34f59 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/28 11:32 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/28 11:19 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/28 10:48 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-net-kasan-gce 2021/01/28 10:46 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-linux-next-kasan-gce-root 2021/01/28 13:09 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-linux-next-kasan-gce-root 2021/01/28 12:28 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-linux-next-kasan-gce-root 2021/01/28 12:21 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-linux-next-kasan-gce-root 2021/01/28 10:13 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-linux-next-kasan-gce-root 2021/01/28 10:07 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in cfg80211_dev_rename
ci-upstream-linux-next-kasan-gce-root 2021/01/28 09:56 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in cfg80211_dev_rename