syzbot


possible deadlock in split_huge_page_to_list
Status: upstream: reported C repro on 2021/12/15 01:03
Reported-by: syzbot+c915885f05d8e432e7b4@syzkaller.appspotmail.com
First crash: 47d, last: 38d

Cause bisection: introduced by (bisect log) :
commit 3ebffc96befbaf9de9297b00d67091bb702fad8e
Author: Matthew Wilcox (Oracle) <willy@infradead.org>
Date: Sun Jun 28 02:19:08 2020 +0000

  mm: Use multi-index entries in the page cache

Crash: possible deadlock in split_huge_page_to_list (log)
Repro: C syz .config

Sample crash report:

Crashes (526):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/12/11 10:02 linux-next ea922272cbe5 49ca1f59 .config log report syz C possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/11 09:44 linux-next ea922272cbe5 49ca1f59 .config log report syz C possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/20 10:58 linux-next fbf252e09678 021b36cb .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/20 10:40 linux-next fbf252e09678 021b36cb .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/20 09:34 linux-next fbf252e09678 021b36cb .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/20 08:30 linux-next fbf252e09678 021b36cb .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/20 07:31 linux-next fbf252e09678 021b36cb .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/20 06:07 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/20 04:48 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/20 03:18 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/20 01:03 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/19 23:52 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/19 21:46 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/19 17:46 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/19 16:05 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/19 14:51 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/19 13:37 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/19 12:34 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/19 07:27 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/19 04:17 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/18 16:58 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/18 15:19 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/18 09:43 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/18 07:57 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/18 06:18 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/18 05:10 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/18 03:43 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/18 02:25 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/18 00:27 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 22:37 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 21:24 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 18:38 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 18:27 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 12:42 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 11:10 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 07:14 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 04:24 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 03:17 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 02:13 linux-next fbf252e09678 44068e19 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 01:02 linux-next fbf252e09678 8dd6a5e3 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/17 00:00 linux-next 93bf6eee76c0 8dd6a5e3 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/16 15:41 linux-next 93bf6eee76c0 8dd6a5e3 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/16 15:22 linux-next 93bf6eee76c0 8dd6a5e3 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/16 14:21 linux-next 93bf6eee76c0 8dd6a5e3 .config log report info possible deadlock in split_huge_page_to_list
ci-upstream-linux-next-kasan-gce-root 2021/12/11 00:58 linux-next ea922272cbe5 49ca1f59 .config log report info possible deadlock in split_huge_page_to_list