syzbot


kernel BUG at arch/x86/kvm/mmu.c:LINE!
Status: upstream: reported C repro on 2019/11/07 21:27
Reported-by: syzbot+14b70ff3ebb853f8c5bb@syzkaller.appspotmail.com
First crash: 802d, last: 152d

Cause bisection: introduced by (bisect log) :
commit a107bf8b3905b61bf8b5c181268bca8c05af7f69
Author: Mike Rapoport <rppt@linux.vnet.ibm.com>
Date: Wed Nov 30 07:52:01 2016 +0000

  isofs: add KERN_CONT to printing of ER records

Crash: no output from test machine (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 kernel BUG at arch/x86/kvm/mmu.c:LINE! C done inconclusive 4 531d 801d 0/1 upstream: reported C repro on 2019/11/07 23:54
upstream kernel BUG at arch/x86/kvm/mmu.c:LINE! C 695 1420d 1538d 4/22 fixed on 2018/03/06 13:29
upstream kernel BUG at arch/x86/kvm/mmu.c:LINE! (2) C done 5 796d 801d 0/22 closed as dup on 2019/11/08 19:42

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2019/12/12 20:07 linux-4.19.y fb683b5e3f53 08003f64 .config log report syz C
ci2-linux-4-19 2019/11/07 21:08 linux-4.19.y 5ee93551c703 f39aff9e .config log report syz C
ci2-linux-4-19 2021/08/18 11:55 linux-4.19.y 59456c9cc40c a2fe1cb5 .config log report info kernel BUG in transparent_hugepage_adjust
ci2-linux-4-19 2021/08/17 19:20 linux-4.19.y 59456c9cc40c a2fe1cb5 .config log report info kernel BUG in transparent_hugepage_adjust
ci2-linux-4-19 2020/08/16 20:03 linux-4.19.y c14d30dc9987 5ce13532 .config log report
ci2-linux-4-19 2020/08/15 09:23 linux-4.19.y c14d30dc9987 5ce13532 .config log report
ci2-linux-4-19 2020/05/25 19:38 linux-4.19.y 1bab61d3e8cd 73964a9b .config log report
ci2-linux-4-19 2020/05/25 19:38 linux-4.19.y 1bab61d3e8cd 73964a9b .config log report
ci2-linux-4-19 2020/05/25 19:37 linux-4.19.y 1bab61d3e8cd 73964a9b .config log report
ci2-linux-4-19 2020/05/25 19:29 linux-4.19.y 1bab61d3e8cd 73964a9b .config log report
ci2-linux-4-19 2020/05/25 19:29 linux-4.19.y 1bab61d3e8cd 73964a9b .config log report
ci2-linux-4-19 2019/11/07 20:26 linux-4.19.y 5ee93551c703 f39aff9e .config log report