syzbot


INFO: task hung in do_read_cache_page (3)
Status: upstream: reported C repro on 2020/01/27 06:32
Reported-by: syzbot+518c54e255b5031adde4@syzkaller.appspotmail.com
First crash: 544d, last: 20h33m

Cause bisection: introduced by (bisect log) :
commit 2da22da573481cc4837e246d0eee4d518b3f715e
Author: Mike Christie <mchristi@redhat.com>
Date: Tue Aug 13 16:39:52 2019 +0000

  nbd: fix zero cmd timeout handling v2

Crash: INFO: task hung in do_read_cache_page (log)
Repro: C syz .config
similar bugs (6):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in do_read_cache_page (2) 6 7d18h 165d 0/1 upstream: reported on 2021/02/09 08:22
upstream INFO: task hung in do_read_cache_page 10 1111d 1214d 0/22 auto-closed as invalid on 2019/02/22 10:09
android-49 INFO: task hung in do_read_cache_page 1 1154d 1154d 0/3 auto-closed as invalid on 2019/02/22 13:59
upstream INFO: task hung in do_read_cache_page (2) 1 681d 681d 0/22 auto-closed as invalid on 2019/11/11 08:43
linux-4.19 INFO: task hung in do_read_cache_page C done 2 222d 282d 1/1 fixed on 2021/01/13 11:08
upstream INFO: task can't die in wait_on_page_bit_common C done 4 147d 329d 0/22 upstream: reported C repro on 2020/08/28 22:28

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-root 2021/06/23 06:47 upstream 0c18f29aae7c 6bfdbe89 .config log report syz C
ci-upstream-kasan-gce-root 2021/05/17 00:24 upstream d07f6ca923ea 6bfdbe89 .config log report syz C
ci-upstream-kasan-gce-root 2020/12/20 14:16 upstream 467f8165a2b0 6bfdbe89 .config log report syz C
ci-upstream-kasan-gce-root 2020/10/30 16:56 upstream 07e088730245 6bfdbe89 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/08/16 00:26 upstream 713eee84720e 8742a2b9 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/06/27 06:05 upstream 1590a2e1c681 8742a2b9 .config log report syz C
Crashes (41):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/09/28 17:34 upstream a1b8638ba132 6bfdbe89 .config log report syz C
ci-upstream-kasan-gce-root 2020/09/03 21:50 upstream fc3abb53250a abf9ba4f .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/09/02 12:44 upstream b765a32a2e91 abf9ba4f .config log report syz C
ci-upstream-kasan-gce-root 2020/09/02 04:25 upstream b765a32a2e91 abf9ba4f .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/08/24 06:18 upstream cb95712138ec cef5ae68 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/24 04:38 upstream cb95712138ec cef5ae68 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/05/11 05:57 upstream e99332e7b4cd 8742a2b9 .config log report syz C
ci-upstream-kasan-gce-root 2021/07/23 13:29 upstream 9bead1b58c4c bc5f1d88 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-smack-root 2021/07/21 08:51 upstream 8cae8cd89f05 1b201b48 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-smack-root 2021/07/13 10:51 upstream 7fef2edf7cc7 f415556d .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-root 2021/06/29 13:42 upstream 233a806b00e3 9d2ab5df .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-smack-root 2021/05/24 06:20 upstream 6ebb6814a1ef 3c7fef33 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-root 2021/05/22 23:42 upstream 23d729263037 3c7fef33 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-selinux-root 2021/05/22 15:46 upstream 45af60e7ced0 3c7fef33 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-smack-root 2021/04/11 16:50 upstream 52e44129fba5 bfeda1b1 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-selinux-root 2021/04/04 04:00 upstream 57fbdb15ec42 6a81331a .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-selinux-root 2021/03/22 21:16 upstream 84196390620a 8092f30d .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-selinux-root 2021/03/21 04:03 upstream 812da4d39463 17810eae .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-root 2021/03/16 06:20 upstream 1a4431a5db2b fdb2bb2c .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-root 2021/03/13 17:29 upstream f296bfd5cd04 4a003785 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-root 2021/02/28 21:25 upstream 5695e5161974 4c37c133 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-root 2021/02/26 13:36 upstream 2c87f7a38f93 76f7fc95 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-root 2021/01/20 14:00 upstream 45dfb8a5659a d4f4eca5 .config log report info INFO: task hung in do_read_cache_page
ci-upstream-linux-next-kasan-gce-root 2021/04/16 23:56 linux-next 1216f02e46a4 7e2b734b .config log report info INFO: task hung in do_read_cache_page
ci-upstream-linux-next-kasan-gce-root 2021/04/05 03:13 linux-next 454c576c3f5e 6a81331a .config log report info INFO: task hung in do_read_cache_page
ci-upstream-linux-next-kasan-gce-root 2021/03/25 20:07 linux-next b4f20b70784a 6a383ecf .config log report info INFO: task hung in do_read_cache_page
ci-upstream-linux-next-kasan-gce-root 2021/03/24 13:39 linux-next 20f1b5f9c07c 607e3baf .config log report info INFO: task hung in do_read_cache_page
ci-upstream-linux-next-kasan-gce-root 2021/03/15 20:30 linux-next fa80526a716c fdb2bb2c .config log report info INFO: task hung in do_read_cache_page
ci-upstream-linux-next-kasan-gce-root 2021/01/31 23:57 linux-next b01f250d83f6 fc9fd31e .config log report info INFO: task hung in do_read_cache_page
ci-upstream-kasan-gce-selinux-root 2021/01/14 06:50 upstream 65f0d2414b70 269d24e8 .config log report info
ci-upstream-kasan-gce-smack-root 2020/11/20 06:12 upstream 131ad0b6f529 0767f13f .config log report info
ci-upstream-kasan-gce-root 2020/11/20 05:58 upstream 3494d58865ad 0767f13f .config log report info
ci-upstream-kasan-gce-root 2020/09/30 16:33 upstream 02de58b24d2e 8516f6d3 .config log report info
ci-upstream-kasan-gce-root 2020/09/07 19:43 upstream f4d51dffc6c0 abf9ba4f .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/11 05:11 upstream a581387e415b 18d18b59 .config log report
ci-upstream-kasan-gce-selinux-root 2020/01/26 13:48 upstream 2821e26f3a0a f4e7270e .config log report
ci-upstream-linux-next-kasan-gce-root 2020/11/20 08:22 linux-next 95065cb54210 0767f13f .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/07/17 00:03 linux-next 4c43049f19a2 54b3c45e .config log report
ci-upstream-linux-next-kasan-gce-root 2020/07/16 14:23 linux-next ca0e494af5ed f3bec699 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/07/12 09:07 linux-next d31958b30ea3 115e1930 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/06/30 08:02 linux-next 36e3135df4d4 a2cdad9d .config log report