syzbot


general protection fault in ieee80211_subif_start_xmit
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+d7a3b15976bf7de2238a@syzkaller.appspotmail.com
Fix commit: 054c9939b480 mac80211: pause TX while changing interface type
First crash: 385d, last: 309d

Cause bisection: introduced by (bisect log) [merge commit]:
commit 687ee0ad4e897e29f4b41f7a20c866d74c5e0660
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed Oct 5 17:11:24 2016 +0000

  Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Crash: general protection fault in nf_unregister_net_hook (log)
Repro: syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 general protection fault in ieee80211_subif_start_xmit syz done 1 313d 373d 1/1 fixed on 2021/02/25 13:45
linux-4.19 general protection fault in ieee80211_subif_start_xmit C done 4 311d 353d 1/1 fixed on 2021/03/01 19:35

Sample crash report:

Crashes (29):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/01/03 20:04 upstream 3516bd729358 79264ae3 .config log report syz C
ci-upstream-kasan-gce 2020/12/31 08:32 upstream f6e1ea196492 5cc121d6 .config log report syz C
ci-upstream-kasan-gce 2020/11/25 04:44 upstream 80145ac2f739 e34b696c .config log report syz C
ci-upstream-kasan-gce-root 2020/11/22 10:03 upstream a349e4c65960 0d27f508 .config log report syz
ci-upstream-kasan-gce 2021/01/29 06:18 upstream e5ff2cb9cf67 7df34f59 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce 2021/01/28 17:59 upstream 76c057c84d28 7df34f59 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce 2021/01/28 16:08 upstream 76c057c84d28 7df34f59 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce-root 2021/01/28 14:57 upstream 76c057c84d28 eefc07f2 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce 2021/01/26 14:21 upstream 13391c60da33 52e37319 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce-smack-root 2021/01/22 12:14 upstream 9f29bd8b2e71 d4f4eca5 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce-smack-root 2021/01/18 14:20 upstream 19c329f68089 63631df1 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce 2021/01/17 20:04 upstream 0da0a8a0a0e1 813be542 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce-386 2021/01/28 15:51 upstream 76c057c84d28 7df34f59 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce-386 2021/01/18 15:28 upstream 19c329f68089 63631df1 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce-386 2021/01/17 23:06 upstream a1339d6355ac 813be542 .config log report info general protection fault in ieee80211_subif_start_xmit
ci-upstream-kasan-gce 2021/01/15 16:37 upstream 5ee88057889b 65a7a854 .config log report info
ci-upstream-kasan-gce 2021/01/15 13:12 upstream 146620506274 65a7a854 .config log report info
ci-upstream-kasan-gce 2021/01/10 05:22 upstream 996e435fd401 2c1f2513 .config log report info
ci-upstream-kasan-gce 2020/12/03 10:37 upstream 34816d20f173 e6b0d314 .config log report info
ci-upstream-kasan-gce 2020/11/28 05:48 upstream 99c710c46dfc 486f93ef .config log report info
ci-upstream-kasan-gce 2020/11/25 23:02 upstream fa02fcd94b0c 2f1cec62 .config log report info
ci-upstream-kasan-gce 2020/11/25 03:39 upstream 80145ac2f739 e34b696c .config log report info
ci-upstream-kasan-gce-root 2020/11/24 19:42 upstream d5beb3140f91 e34b696c .config log report info
ci-upstream-kasan-gce 2020/11/23 15:06 upstream 418baf2c28f3 878fb17a .config log report info
ci-upstream-kasan-gce-root 2020/11/22 03:26 upstream a349e4c65960 0d27f508 .config log report info
ci-upstream-kasan-gce 2020/11/17 14:17 upstream 9c87c9f41245 bd2a760b .config log report info
ci-upstream-kasan-gce 2020/11/15 21:05 upstream 0062442ecfef 1bf9a662 .config log report info
ci-upstream-kasan-gce-386 2020/11/14 23:49 upstream e28c0d7c92c8 1bf9a662 .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/01/15 17:53 linux-next b3a3cbdec55b 65a7a854 .config log report info