syzbot


general protection fault in selinux_socket_recvmsg
Status: fixed on 2020/07/17 17:58
Reported-by: syzbot+c6bfc3db991edc918432@syzkaller.appspotmail.com
Fix commit: 0a82e230c688 mptcp: avoid NULL-ptr derefence on fallback
First crash: 440d, last: 439d

Cause bisection: introduced by (bisect log) :
commit 263e1201a2c324b60b15ecda5de9ebf1e7293e31
Author: Paolo Abeni <pabeni@redhat.com>
Date: Thu Apr 30 13:01:51 2020 +0000

  mptcp: consolidate synack processing.

Crash: WARNING in warn_bad_map (log)
Repro: C syz .config
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
general protection fault in sock_recvmsg C done 1 437d 437d 0/22 closed as dup on 2020/05/25 11:14
Patch testing requests:
Created Duration User Patch Repo Result
2020/05/25 08:58 16m pabeni@redhat.com patch net OK

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/05/23 07:13 upstream 051143e1602d 9682898d .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/05/23 06:46 upstream 051143e1602d 9682898d .config log report
ci-upstream-kasan-gce-selinux-root 2020/05/22 15:08 upstream d2f8825ab78e 5afa2ddd .config log report
ci-qemu-upstream 2020/05/22 15:04 upstream 051143e1602d 9682898d .config log report