syzbot


uvm_fault: pckbc_start
Status: fixed on 2019/02/19 14:52
Reported-by: syzbot+c9cea3810ba7c60bad69@syzkaller.appspotmail.com
Fix commit: 0c0bf631 Serialize access to the list of attached child devices belonging to a wsmux. When invoking wsevsrc_* functions on a attached child device, underlying driver can sleep; this introduces a race where another thread is able to modify the list leading to all kinds of corruptions.
First crash: 59d, last: 59d

Sample crash report:

All crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro
ci-openbsd-multicore 2019/02/18 19:32 openbsd 9c4fc159 59f36113 .config log report