syzbot


general protection fault in wext_handle_ioctl
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+8b2a88a09653d4084179@syzkaller.appspotmail.com
Fix commit: 5122565188ba wext: fix NULL-ptr-dereference with cfg80211's lack of commit()
First crash: 402d, last: 313d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: general protection fault in call_commit_handler (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/12/19 16:49 7m anmol.karan123@gmail.com patch upstream error
2020/12/19 12:53 19m anmol.karan123@gmail.com upstream error
2020/11/19 19:50 12m anmol.karan123@gmail.com upstream report log
2020/11/19 19:18 19m anmol.karan123@gmail.com patch upstream OK

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/01/25 15:15 upstream 6ee1d745b7c9 1bf9a662 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/26 15:00 upstream 40f78232f973 1bf9a662 .config log report syz C
Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/11/15 19:29 upstream e28c0d7c92c8 1bf9a662 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/11/26 14:45 upstream fa02fcd94b0c 1d2b823e .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/26 13:07 upstream fa02fcd94b0c 1d2b823e .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/24 06:15 upstream d5beb3140f91 1ab681a4 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/17 08:40 upstream 9c87c9f41245 1bf9a662 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/17 07:10 upstream 9c87c9f41245 1bf9a662 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/15 19:15 upstream e28c0d7c92c8 1bf9a662 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/08 06:04 upstream 4429f14aeea9 64069d48 .config log report info
ci-upstream-kasan-gce-smack-root 2020/10/28 12:27 upstream 8c2ab803e565 96e03c1c .config log report info