syzbot


KASAN: use-after-free Read in snd_seq_timer_interrupt
Status: upstream: reported C repro on 2021/06/23 11:22
Reported-by: syzbot+5169fc0121896ee7b28a@syzkaller.appspotmail.com
First crash: 94d, last: 4d08h
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in snd_seq_timer_interrupt (2) C inconclusive 2 112d 110d 21/22 upstream: reported C repro on 2021/06/07 15:55
upstream KASAN: use-after-free Read in snd_seq_timer_interrupt 1 1067d 1067d 13/22 fixed on 2019/06/14 18:22
linux-4.14 KASAN: use-after-free Read in snd_seq_timer_interrupt C error 2 54d 551d 0/1 upstream: reported C repro on 2020/03/23 11:55

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/09/21 17:08 linux-4.19.y b172b44fcb17 aba2b2fb .config log report syz C
ci2-linux-4-19 2021/08/22 12:19 linux-4.19.y 59456c9cc40c aba2b2fb .config log report syz C
ci2-linux-4-19 2021/07/23 11:46 linux-4.19.y 4938296e03bd aba2b2fb .config log report syz C
Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2021/06/23 11:21 linux-4.19.y eb575cd5d7f6 aba2b2fb .config log report syz C KASAN: use-after-free Read in snd_seq_timer_interrupt