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INFO: task hung in __lru_add_drain_all (2)

Status: upstream: reported on 2024/05/17 22:28
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+5294aa7d73bb0fa85bd0@syzkaller.appspotmail.com
First crash: 47d, last: 5h15m
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
[syzbot] Monthly mm report (May 2024) 0 (1) 2024/05/31 06:48
[syzbot] [mm?] INFO: task hung in __lru_add_drain_all (2) 0 (1) 2024/05/17 22:28
▶ ▼ Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: task hung in __lru_add_drain_all 1 405d 405d 0/3 auto-obsoleted due to no activity on 2023/08/21 02:18
linux-6.1 INFO: task hung in __lru_add_drain_all 1 14d 14d 0/3 upstream: reported on 2024/05/17 20:43
upstream INFO: task hung in __lru_add_drain_all net C done error 71 202d 1002d 0/26 auto-obsoleted due to no activity on 2024/02/20 10:46

Sample crash report:
INFO: task khugepaged:37 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc1-syzkaller-00104-gd8ec19857b09 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:khugepaged      state:D
 stack:26832 pid:37    tgid:37    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
 __flush_work+0xaa9/0xd00 kernel/workqueue.c:4211
 __lru_add_drain_all+0x4f6/0x560 mm/swap.c:902
 khugepaged_do_scan mm/khugepaged.c:2485 [inline]
 khugepaged+0x1f1/0x1b90 mm/khugepaged.c:2554

Crashes (78):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/01 09:50 upstream d8ec19857b09 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/06/01 00:08 upstream d8ec19857b09 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/05/31 16:41 upstream 4a4be1ad3a6e 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/05/31 14:56 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/05/31 05:02 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/30 04:10 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/29 21:44 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/29 20:36 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/29 13:55 upstream e0cce98fe279 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/05/28 16:38 upstream 2bfcfd584ff5 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/05/28 14:53 upstream 2bfcfd584ff5 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/05/28 07:18 upstream 2bfcfd584ff5 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/27 21:33 upstream 2bfcfd584ff5 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/05/26 21:43 upstream 6fbf71854e2d a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/26 10:02 upstream c13320499ba0 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/26 08:04 upstream c13320499ba0 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/25 19:34 upstream 56fb6f92854f a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/05/25 15:16 upstream 56fb6f92854f a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/05/25 03:50 upstream 0b32d436c015 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/05/25 02:37 upstream 0b32d436c015 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/05/23 01:48 upstream 8f6a15f095a6 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/18 04:36 upstream 7ee332c9f12b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/15 01:57 upstream 1b10b390d945 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/05/13 22:20 upstream cd97950cbcab fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/07 05:23 upstream ee5b455b0ada c035c6de .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/05/04 20:57 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/05/04 00:56 upstream 3d25a941ea50 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/05/03 11:14 upstream f03359bca01b 375d4445 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/04/23 11:19 upstream 4d2008430ce8 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/04/15 02:52 upstream fe46a7dd189e c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/05/30 00:14 upstream 4a4be1ad3a6e 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in __lru_add_drain_all
2024/05/27 22:33 linux-next 3689b0ef08b7 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/24 17:58 linux-next 124cfbcd6d18 8f98448e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/23 10:44 linux-next 124cfbcd6d18 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/21 17:06 linux-next 124cfbcd6d18 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/21 03:45 linux-next 124cfbcd6d18 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/20 10:28 linux-next 632483ea8004 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/19 14:27 linux-next c75962170e49 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/17 12:15 linux-next c75962170e49 a12e99e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/17 05:13 linux-next c75962170e49 c2e07261 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/16 06:06 linux-next 82d92a9a1b9e ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/16 05:55 linux-next 82d92a9a1b9e ef5d53ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/16 03:12 linux-next 82d92a9a1b9e 0b3dad46 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/15 13:43 linux-next 82d92a9a1b9e fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/13 18:38 linux-next 6ba6c795dc73 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/13 15:07 linux-next 6ba6c795dc73 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/13 14:58 linux-next 6ba6c795dc73 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/13 14:48 linux-next 6ba6c795dc73 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/13 12:42 linux-next 6ba6c795dc73 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/12 01:27 linux-next 75fa778d74b7 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/11 20:48 linux-next 75fa778d74b7 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/11 06:37 linux-next 75fa778d74b7 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/11 06:32 linux-next 75fa778d74b7 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/11 06:30 linux-next 75fa778d74b7 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/10 17:38 linux-next 75fa778d74b7 f7c35481 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/10 17:25 linux-next 75fa778d74b7 f7c35481 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/06 17:11 linux-next 2b84edefcad1 c035c6de .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/06 12:19 linux-next 2b84edefcad1 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/06 01:25 linux-next 9221b2819b8a 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/01 17:00 linux-next f68868ba718e 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/05/01 06:15 linux-next d04466706db5 9e0e6af1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/04/28 23:32 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/04/27 21:16 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/04/27 02:20 linux-next bb7a2467e6be 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/04/26 18:05 linux-next bb7a2467e6be 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/04/15 07:34 linux-next 6bd343537461 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/04/15 07:34 linux-next 6bd343537461 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in __lru_add_drain_all
* Struck through repros no longer work on HEAD.