syzbot


kernel BUG in __page_mapcount
Status: upstream: reported syz repro on 2021/05/31 00:53
Reported-by: syzbot+1f52b3a18d5633fa7f82@syzkaller.appspotmail.com
First crash: 66d, last: 2d17h

Cause bisection: failed (bisect log)
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at include/linux/page-flags.h:LINE! 4 866d 1047d 0/22 auto-closed as invalid on 2019/09/14 22:37
Patch testing requests:
Created Duration User Patch Repo Result
2021/06/07 15:13 19m jannh@google.com patch git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 7ac3a1c1 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 2021/06/26 08:02 upstream b7050b242430 858ea628 .config log report syz
Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/07/29 08:13 upstream 4010a528219e 9a4781d4 .config log report syz kernel BUG in __page_mapcount
ci-upstream-kasan-gce-smack-root 2021/05/27 07:29 upstream 7ac3a1c1ae51 858ea628 .config log report syz kernel BUG in __page_mapcount
ci-upstream-kasan-gce-selinux-root 2021/07/29 07:23 upstream 4010a528219e 9a4781d4 .config log report info kernel BUG in __page_mapcount
ci-upstream-kasan-gce-smack-root 2021/05/27 00:37 upstream 7ac3a1c1ae51 858ea628 .config log report info kernel BUG in __page_mapcount
ci-upstream-linux-next-kasan-gce-root 2021/07/08 03:14 linux-next ee268dee405b 95793bce .config log report info kernel BUG in do_read_cache_page