Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/06/08 | upstream (ToT) | 5f63595ebd82 | C | [report] INFO: task hung in blkdev_put |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/06/08 | upstream (ToT) | 5f63595ebd82 | C | [report] INFO: task hung in blkdev_put |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: task hung in blk_freeze_queue (4) block | 2 | 591d | 594d | 0/28 | auto-obsoleted due to no activity on 2023/07/28 15:48 | |||
upstream | INFO: task hung in blk_freeze_queue block | C | 188 | 2348d | 2498d | 8/28 | fixed on 2018/07/09 18:05 | ||
upstream | INFO: task hung in blk_freeze_queue (3) arm | C | 8 | 752d | 832d | 22/28 | fixed on 2023/02/24 13:50 | ||
upstream | INFO: task hung in blk_freeze_queue (5) block | 1 | 256d | 256d | 0/28 | auto-obsoleted due to no activity on 2024/06/27 12:04 | |||
upstream | INFO: task hung in blk_freeze_queue (2) block | 1 | 2250d | 2250d | 0/28 | auto-closed as invalid on 2019/04/12 00:55 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/10/15 01:49 | 0m | bisect fix | linux-6.1.y | error job log | |
2024/09/10 04:13 | 2h02m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/08/06 14:20 | 4h03m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/06/27 15:30 | 2h50m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/05/19 04:53 | 2h11m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/04/13 15:09 | 3h36m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/03/11 15:29 | 2h15m | bisect fix | linux-6.1.y | OK (0) job log log | |
2024/02/03 02:30 | 2h50m | bisect fix | linux-6.1.y | OK (0) job log log | |
2023/12/30 14:39 | 2h18m | bisect fix | linux-6.1.y | OK (0) job log log | |
2023/11/30 06:43 | 2h18m | bisect fix | linux-6.1.y | OK (0) job log log | |
2023/10/29 20:47 | 2h12m | bisect fix | linux-6.1.y | OK (0) job log log | |
2023/09/27 09:58 | 2h09m | bisect fix | linux-6.1.y | OK (0) job log log | |
2023/07/19 20:22 | 6h15m | bisect fix | linux-6.1.y | OK (0) job log log |
INFO: task syz-executor362:5427 blocked for more than 143 seconds. Not tainted 6.1.32-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor362 state:D stack:0 pid:5427 ppid:4239 flags:0x00000001 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xee4/0x1c98 kernel/sched/core.c:6554 schedule+0xc4/0x170 kernel/sched/core.c:6630 blk_mq_freeze_queue_wait+0xf4/0x174 block/blk-mq.c:180 blk_freeze_queue+0xc8/0x104 block/blk-mq.c:207 blk_mq_freeze_queue+0x20/0x30 block/blk-mq.c:216 nbd_add_socket+0x174/0x770 drivers/block/nbd.c:1127 __nbd_ioctl drivers/block/nbd.c:1470 [inline] nbd_ioctl+0x20c/0xc40 drivers/block/nbd.c:1527 blkdev_ioctl+0x408/0xb40 block/ioctl.c:615 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 INFO: task syz-executor362:5429 blocked for more than 143 seconds. Not tainted 6.1.32-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor362 state:D stack:0 pid:5429 ppid:4239 flags:0x00000001 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xee4/0x1c98 kernel/sched/core.c:6554 schedule+0xc4/0x170 kernel/sched/core.c:6630 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6689 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 nbd_ioctl+0x128/0xc40 drivers/block/nbd.c:1520 blkdev_ioctl+0x408/0xb40 block/ioctl.c:615 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 INFO: task udevd:5428 blocked for more than 143 seconds. Not tainted 6.1.32-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:0 pid:5428 ppid:3837 flags:0x00000004 Call trace: __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5241 [inline] __schedule+0xee4/0x1c98 kernel/sched/core.c:6554 schedule+0xc4/0x170 kernel/sched/core.c:6630 io_schedule+0x8c/0x188 kernel/sched/core.c:8774 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1296 folio_put_wait_locked mm/filemap.c:1465 [inline] do_read_cache_folio+0xa8/0x544 mm/filemap.c:3517 read_cache_folio+0x68/0x84 mm/filemap.c:3567 read_mapping_folio include/linux/pagemap.h:762 [inline] read_part_sector+0xdc/0x2c8 block/partitions/core.c:717 adfspart_check_ICS+0xd4/0x860 block/partitions/acorn.c:360 check_partition block/partitions/core.c:146 [inline] blk_add_partitions block/partitions/core.c:602 [inline] bdev_disk_changed+0x6e4/0x116c block/partitions/core.c:688 blkdev_get_whole+0x298/0x348 block/bdev.c:685 blkdev_get_by_dev+0x390/0x8ec block/bdev.c:822 blkdev_open+0x10c/0x290 block/fops.c:500 do_dentry_open+0x734/0xfa0 fs/open.c:882 vfs_open+0x7c/0x90 fs/open.c:1013 do_open fs/namei.c:3557 [inline] path_openat+0x1e14/0x2548 fs/namei.c:3714 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1345 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff800015794e70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510 1 lock held by rcu_tasks_trace/13: #0: ffff800015795670 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510 1 lock held by khungtaskd/28: #0: ffff800015794ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:305 2 locks held by getty/3975: #0: ffff0000d7cb0098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff80001ba502f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2177 1 lock held by syz-executor362/5427: #0: ffff0000ceefa198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x128/0xc40 drivers/block/nbd.c:1520 1 lock held by syz-executor362/5429: #0: ffff0000ceefa198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x128/0xc40 drivers/block/nbd.c:1520 1 lock held by udevd/5428: #0: ffff0000ceef44c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x12c/0x8ec block/bdev.c:813 =============================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/06/08 14:41 | linux-6.1.y | 76ba310227d2 | 058b3a5a | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in blk_freeze_queue |