Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/05/20 | upstream (ToT) | eb6a9339efeb | C | [report] INFO: task hung in hfs_mdb_commit |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/05/20 | upstream (ToT) | eb6a9339efeb | C | [report] INFO: task hung in hfs_mdb_commit |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: task hung in hfs_mdb_commit hfs | C | error | done | 25 | 215d | 593d | 25/27 | fixed on 2024/03/20 11:33 |
linux-6.1 | INFO: task hung in hfs_mdb_commit | 1 | 466d | 466d | 0/3 | auto-obsoleted due to no activity on 2023/08/31 05:50 | |||
linux-4.19 | INFO: task hung in hfs_mdb_commit hfs | C | error | 1 | 584d | 584d | 0/1 | upstream: reported C repro on 2023/01/25 02:58 | |
linux-5.15 | INFO: task hung in hfs_mdb_commit | 1 | 448d | 448d | 0/3 | auto-obsoleted due to no activity on 2023/09/18 06:33 | |||
linux-6.1 | INFO: task hung in hfs_mdb_commit (2) | 1 | 146d | 146d | 0/3 | auto-obsoleted due to no activity on 2024/07/16 10:21 |
INFO: task kworker/0:2:1952 blocked for more than 143 seconds. Not tainted 5.15.159-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack: 0 pid: 1952 ppid: 2 flags:0x00000008 Workqueue: events_long flush_mdb Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5030 [inline] __schedule+0xf10/0x1e48 kernel/sched/core.c:6376 schedule+0x11c/0x1c8 kernel/sched/core.c:6459 io_schedule+0x8c/0x194 kernel/sched/core.c:8484 bit_wait_io+0x1c/0xac kernel/sched/wait_bit.c:209 __wait_on_bit_lock+0xcc/0x1f0 kernel/sched/wait_bit.c:90 out_of_line_wait_on_bit_lock+0x194/0x21c kernel/sched/wait_bit.c:117 wait_on_bit_lock_io include/linux/wait_bit.h:208 [inline] __lock_buffer+0x80/0xc0 fs/buffer.c:69 lock_buffer include/linux/buffer_head.h:402 [inline] hfs_mdb_commit+0xa20/0xfc0 fs/hfs/mdb.c:325 flush_mdb+0x6c/0x9c fs/hfs/super.c:66 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffff800014b214a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311 2 locks held by kworker/0:2/1952: #0: ffff0000c0021138 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283 #1: ffff800022277c00 ((work_completion)(&(&sbi->mdb_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285 2 locks held by getty/3723: #0: ffff0000d2f61098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001a3db2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158 1 lock held by udevd/3990: =============================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/05/20 11:32 | linux-5.15.y | 83655231580b | c0f1611a | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in hfs_mdb_commit | |
2024/05/15 07:35 | linux-5.15.y | 284087d4f7d5 | fdb4c10c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in hfs_mdb_commit | ||
2024/04/08 12:18 | linux-5.15.y | 9465fef4ae35 | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in hfs_mdb_commit |