syzbot


possible deadlock in __fs_reclaim_acquire
Status: fixed on 2021/11/10 00:50
Reported-by: syzbot+127fd7828d6eeb611703@syzkaller.appspotmail.com
Fix commit: 187ad460b841 mm/page_alloc: avoid page allocator recursion with pagesets.lock held
First crash: 160d, last: 145d

Cause bisection: introduced by (bisect log) [no-op commit]:
commit 8215d5b7f15f8643bf12fe005b2bc0cc322aff62
Author: Chao Yu <chao@kernel.org>
Date: Sun Jun 27 13:32:29 2021 +0000

  MAINTAINERS: erofs: update my email address

Crash: BUG: sleeping function called from invalid context in lock_sock_nested (log)
Repro: syz .config
duplicates (13):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
net test error: possible deadlock in fs_reclaim_acquire 5 145d 151d 0/22 closed as dup on 2021/07/10 03:13
net boot error: possible deadlock in fs_reclaim_acquire 1 158d 154d 0/22 closed as dup on 2021/07/07 11:35
possible deadlock in fs_reclaim_acquire (3) C error 10538 127d 156d 0/22 closed as dup on 2021/07/07 11:37
net boot error: possible deadlock in get_page_from_freelist 1 157d 153d 0/22 closed as dup on 2021/07/07 11:34
upstream test error: possible deadlock in fs_reclaim_acquire 2 148d 156d 0/22 closed as dup on 2021/07/07 11:36
bpf test error: possible deadlock in fs_reclaim_acquire 1 145d 141d 0/22 closed as dup on 2021/07/28 14:07
linux-next test error: possible deadlock in fs_reclaim_acquire 1 154d 153d 0/22 closed as dup on 2021/07/07 11:25
upstream boot error: possible deadlock in __fs_reclaim_acquire 6 151d 153d 0/22 closed as dup on 2021/07/07 11:33
upstream boot error: possible deadlock in fs_reclaim_acquire 11 150d 153d 0/22 closed as dup on 2021/07/07 11:40
net-next test error: possible deadlock in fs_reclaim_acquire 1 140d 136d 0/22 closed as dup on 2021/07/28 14:05
upstream boot error: possible deadlock in get_page_from_freelist 2 151d 153d 0/22 closed as dup on 2021/07/07 11:39
upstream test error: possible deadlock in __fs_reclaim_acquire 1 160d 156d 0/22 closed as dup on 2021/07/07 11:36
upstream boot error: possible deadlock in local_lock_acquire 4 150d 153d 0/22 closed as dup on 2021/07/07 11:32
Patch testing requests:
Created Duration User Patch Repo Result
2021/07/07 13:20 18m desmondcheongzx@gmail.com patch upstream OK
2021/07/07 10:21 31m desmondcheongzx@gmail.com patch upstream OK
2021/07/07 09:48 27m desmondcheongzx@gmail.com patch upstream report log
2021/07/07 09:12 28m desmondcheongzx@gmail.com patch upstream error

Sample crash report:

Crashes (672):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/07/12 11:36 upstream e73f0f0ee754 a4869c92 .config log report syz possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/12 11:08 upstream e73f0f0ee754 a4869c92 .config log report syz possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/08 08:26 upstream 3dbdb38e2869 95793bce .config log report syz possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/07 04:51 upstream 3dbdb38e2869 cca78469 .config log report syz possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/04 11:50 upstream 3dbdb38e2869 55aa55c2 .config log report syz possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 22:10 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 21:09 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 19:53 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 17:56 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 16:53 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 15:54 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 13:12 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 11:12 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 10:05 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 08:56 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 07:48 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 06:17 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 04:45 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 03:37 upstream 8096acd7442e 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 02:18 upstream 8096acd7442e 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/15 00:28 upstream 8096acd7442e 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 22:36 upstream 8096acd7442e 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 21:17 upstream 8096acd7442e 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 20:02 upstream 8096acd7442e 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 18:57 upstream 8096acd7442e 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 17:52 upstream 40226a3d96ef 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 16:18 upstream 40226a3d96ef 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 16:10 upstream 40226a3d96ef 94e0b707 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 15:05 upstream 40226a3d96ef 484502bd .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 14:02 upstream 40226a3d96ef 484502bd .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 12:59 upstream 40226a3d96ef 484502bd .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 09:53 upstream 40226a3d96ef 484502bd .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 08:30 upstream 40226a3d96ef 484502bd .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 07:29 upstream 40226a3d96ef 484502bd .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 06:09 upstream 40226a3d96ef 484502bd .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 05:49 upstream 40226a3d96ef 484502bd .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 04:42 upstream 40226a3d96ef 484502bd .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 03:40 upstream 40226a3d96ef fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 01:50 upstream 40226a3d96ef fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/14 00:26 upstream 40226a3d96ef fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 22:06 upstream 40226a3d96ef fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 21:32 upstream 40226a3d96ef fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 20:15 upstream 40226a3d96ef fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 19:11 upstream 7fef2edf7cc7 fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 18:06 upstream 7fef2edf7cc7 fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 17:14 upstream 7fef2edf7cc7 fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 16:12 upstream 7fef2edf7cc7 fa0594c3 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 15:11 upstream 7fef2edf7cc7 f415556d .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 13:39 upstream 7fef2edf7cc7 f415556d .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 12:06 upstream 7fef2edf7cc7 f415556d .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/13 10:57 upstream 7fef2edf7cc7 f415556d .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/07/04 08:37 upstream 3dbdb38e2869 55aa55c2 .config log report info possible deadlock in __fs_reclaim_acquire
ci-upstream-kasan-gce-smack-root 2021/06/30 08:54 upstream 007b350a5875 84fd4c77 .config log report info possible deadlock in __fs_reclaim_acquire