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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: 220d, last: 23d
▶ ▼ Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly mm report (Sep 2024) 0 (1) 2024/09/02 08:17
[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 (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: task hung in __lru_add_drain_all 1 578d 578d 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 187d 187d 0/3 auto-obsoleted due to no activity on 2024/08/25 20:43
upstream INFO: task hung in __lru_add_drain_all net C done error 71 374d 1174d 0/28 auto-obsoleted due to no activity on 2024/02/20 10:46
linux-5.15 INFO: task hung in __lru_add_drain_all (2) 1 118d 118d 0/3 auto-obsoleted due to no activity on 2024/11/03 03:56

Sample crash report:
INFO: task syz-executor:6146 blocked for more than 151 seconds.
      Not tainted 6.12.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:20992 pid:6146  tgid:6146  ppid:6145   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5328 [inline]
 __schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
 __schedule_loop kernel/sched/core.c:6767 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6782
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
 __lru_add_drain_all+0x66/0x560 mm/swap.c:843
 invalidate_bdev+0x76/0xa0 block/bdev.c:101
 ext4_put_super+0x666/0xd50 fs/ext4/super.c:1349
 generic_shutdown_super+0x13b/0x2d0 fs/super.c:642
 kill_block_super+0x44/0x90 fs/super.c:1696
 ext4_kill_sb+0x68/0xa0 fs/ext4/super.c:7320
 deactivate_locked_super+0xc6/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x251/0x310 kernel/task_work.c:239

Crashes (266):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/28 16:48 upstream 819837584309 9efb3cc7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/10/26 16:34 upstream 850925a8133c 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/10/09 12:51 upstream 75b607fab38d 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/10/08 18:31 upstream 87d6aab2389e 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/09/18 10:44 upstream a430d95c5efa c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/09/17 23:19 upstream 2f27fce67173 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/09/17 21:54 upstream 2f27fce67173 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/09/15 22:27 upstream d42f7708e27c 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/09/12 04:13 upstream 7c6a3a65ace7 d94c83d8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/09/10 18:39 upstream 8d8d276ba2fb 784df80e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/09/08 09:29 upstream d1f2d51b711a 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/08/28 06:32 upstream 3ec3f5fc4a91 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/08/26 13:17 upstream 5be63fc19fca 9aee4e0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/08/22 22:09 upstream 872cf28b8df9 295a4b50 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/08/22 00:54 upstream 872cf28b8df9 ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/08/21 13:16 upstream b311c1b497e5 db5852f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/08/13 20:51 upstream 6b4aa469f049 f21a18ca .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/08/11 22:06 upstream cb2e5ee8e7a0 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/08/10 21:27 upstream 5189dafa4cf9 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/08/08 22:41 upstream cf6d429eb656 61405512 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/08/08 09:47 upstream 6a0e38264012 de12cf65 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/08/08 03:51 upstream 6a0e38264012 7b2f2f35 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/08/07 08:59 upstream d4560686726f e1bdb00a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/08/06 06:16 upstream b446a2dae984 e1bdb00a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/08/05 12:31 upstream de9c2c66ad8e e35c337f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/08/05 00:46 upstream a5dbd76a8942 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/08/04 15:12 upstream defaf1a2113a 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/08/03 15:26 upstream 17712b7ea075 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/08/03 12:17 upstream 17712b7ea075 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/08/02 18:20 upstream c0ecd6388360 53683cf2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in __lru_add_drain_all
2024/08/02 12:15 upstream c0ecd6388360 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/08/01 19:22 upstream 21b136cc63d2 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/08/01 11:09 upstream 21b136cc63d2 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/08/01 01:52 upstream e4fc196f5ba3 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/07/31 10:55 upstream 22f546873149 6fde257d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/07/31 07:46 upstream 22f546873149 6fde257d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/07/30 08:30 upstream 94ede2a3e913 a4e01e1e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/07/30 05:42 upstream 94ede2a3e913 5187fc86 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/07/29 11:41 upstream dc1c8034e31b 5187fc86 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/07/28 15:30 upstream 6342649c33d2 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/07/28 09:04 upstream 5437f30d3458 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/07/28 04:49 upstream 6342649c33d2 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/07/27 16:51 upstream 3a7e02c040b1 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/07/27 11:38 upstream 2f8c4f506285 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in __lru_add_drain_all
2024/07/26 21:10 upstream 2f8c4f506285 3f86dfed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/07/25 19:57 upstream c33ffdb70cc6 32fcf98f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in __lru_add_drain_all
2024/07/25 05:02 upstream c33ffdb70cc6 b24754ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in __lru_add_drain_all
2024/05/15 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
2024/09/20 15:53 upstream 2004cef11ea0 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in __lru_add_drain_all
2024/08/17 22:43 upstream e5fa841af679 dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in __lru_add_drain_all
2024/07/28 01:00 upstream 3a7e02c040b1 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in __lru_add_drain_all
2024/07/25 17:39 upstream c33ffdb70cc6 32fcf98f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in __lru_add_drain_all
2024/07/17 17:13 linux-next 797012914d2d 03114f55 .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.