syzbot


WARNING in _cfg80211_unregister_wdev
Status: fixed on 2021/04/09 19:46
Reported-by: syzbot+4305e814f9b267131776@syzkaller.appspotmail.com
Fix commit: 776a39b8196d cfg80211: call cfg80211_destroy_ifaces() with wiphy lock held
First crash: 314d, last: 308d

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 (48):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2021/01/28 13:00 net-next d1f3bdd4eaae eefc07f2 .config log report syz C WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/02/03 11:25 net-next 9ae4bdc6e4c1 624dad51 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/02/03 06:19 net-next 9ae4bdc6e4c1 624dad51 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/02/03 03:55 net-next 9ae4bdc6e4c1 624dad51 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/02/03 01:43 net-next 9ae4bdc6e4c1 624dad51 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/02/02 07:30 net-next 1a2b60f6f165 e6b95f32 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/02/02 04:24 net-next 1a2b60f6f165 e6b95f32 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/02/02 00:59 net-next 14e8e0f60088 e6b95f32 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/02/01 21:12 net-next 14e8e0f60088 e6b95f32 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/02/01 00:09 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/31 23:49 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/31 15:33 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/31 07:43 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/31 02:04 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 23:19 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 17:01 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 16:52 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 16:51 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 16:42 net-next 14e8e0f60088 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 09:15 net-next 46eb3c108fe1 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 06:36 net-next 46eb3c108fe1 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 05:34 net-next 46eb3c108fe1 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 05:13 net-next 46eb3c108fe1 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 05:02 net-next 46eb3c108fe1 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 04:47 net-next 46eb3c108fe1 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/30 03:08 net-next 46eb3c108fe1 fc9fd31e .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/29 15:16 net-next 462512824f90 6593fd32 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/29 11:59 net-next 462512824f90 6593fd32 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 23:46 net-next d1f3bdd4eaae 7df34f59 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 11:31 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 11:26 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 11:24 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 11:19 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 11:16 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 11:11 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 11:04 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 11:01 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 10:59 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-net-kasan-gce 2021/01/28 10:42 net-next d1f3bdd4eaae eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-linux-next-kasan-gce-root 2021/01/28 23:38 linux-next d03154e8bb6a 7df34f59 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-linux-next-kasan-gce-root 2021/01/28 12:44 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-linux-next-kasan-gce-root 2021/01/28 11:53 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-linux-next-kasan-gce-root 2021/01/28 11:40 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-linux-next-kasan-gce-root 2021/01/28 11:40 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-linux-next-kasan-gce-root 2021/01/28 11:34 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev
ci-upstream-linux-next-kasan-gce-root 2021/01/28 09:55 linux-next d03154e8bb6a eefc07f2 .config log report info WARNING in _cfg80211_unregister_wdev