Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
INFO: task hung in hwrng_register (2) crypto | 21 | 336d | 481d | 0/25 | closed as dup on 2022/06/10 08:34 |
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Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|
INFO: task hung in hwrng_register (2) crypto | 21 | 336d | 481d | 0/25 | closed as dup on 2022/06/10 08:34 |
Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] upstream boot error: INFO: task hung in hwrng_register | 4 (5) | 2022/06/14 08:52 |
INFO: task swapper/0:1 blocked for more than 143 seconds. Not tainted 5.19.0-rc1-syzkaller-00262-g0885eacdc81f #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:swapper/0 state:D stack:20600 pid: 1 ppid: 0 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5116 [inline] __schedule+0x957/0xec0 kernel/sched/core.c:6428 schedule+0xeb/0x1b0 kernel/sched/core.c:6500 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6559 __mutex_lock_common+0xecf/0x26c0 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799 add_early_randomness drivers/char/hw_random/core.c:69 [inline] hwrng_register+0x3bf/0x680 drivers/char/hw_random/core.c:599 virtrng_scan+0x3e/0x90 drivers/char/hw_random/virtio-rng.c:205 virtio_dev_probe+0x92e/0xab0 drivers/virtio/virtio.c:312 call_driver_probe+0x96/0x250 really_probe+0x220/0x940 drivers/base/dd.c:634 __driver_probe_device+0x1f4/0x3f0 drivers/base/dd.c:764 driver_probe_device+0x50/0x240 drivers/base/dd.c:794 __driver_attach+0x35f/0x5a0 drivers/base/dd.c:1163 bus_for_each_dev+0x188/0x1f0 drivers/base/bus.c:301 bus_add_driver+0x32f/0x600 drivers/base/bus.c:618 driver_register+0x2e9/0x3e0 drivers/base/driver.c:240 do_one_initcall+0xbd/0x2b0 init/main.c:1295 do_initcall_level+0x168/0x218 init/main.c:1368 do_initcalls+0x4b/0x8c init/main.c:1384 kernel_init_freeable+0x43a/0x5c3 init/main.c:1610 kernel_init+0x19/0x2b0 init/main.c:1499 ret_from_fork+0x1f/0x30 </TASK> Showing all locks held in the system: 2 locks held by swapper/0/1: #0: ffff888146151170 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline] #0: ffff888146151170 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1054 [inline] #0: ffff888146151170 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x353/0x5a0 drivers/base/dd.c:1162 #1: ffffffff8d24cae8 (reading_mutex){+.+.}-{3:3}, at: add_early_randomness drivers/char/hw_random/core.c:69 [inline] #1: ffffffff8d24cae8 (reading_mutex){+.+.}-{3:3}, at: hwrng_register+0x3bf/0x680 drivers/char/hw_random/core.c:599 2 locks held by pr/ttyS0/16: 1 lock held by khungtaskd/29: #0: ffffffff8cb1ebe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by kworker/u4:4/56: #0: ffff888011c69138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262 #1: ffffc90001577d00 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264 1 lock held by hwrng/755: #0: ffffffff8d24cae8 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0xec/0x470 drivers/char/hw_random/core.c:503 =============================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/06/11 09:01 | upstream | 0885eacdc81f | 0d5abf15 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/10 19:17 | upstream | fe43c0188911 | 0d5abf15 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/10 19:17 | upstream | fe43c0188911 | 0d5abf15 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/10 11:48 | upstream | 874c8ca1e60b | 0d5abf15 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/10 11:48 | upstream | 874c8ca1e60b | 0d5abf15 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/10 01:51 | upstream | 874c8ca1e60b | 0d5abf15 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/10 01:51 | upstream | 874c8ca1e60b | 0d5abf15 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/09 04:45 | upstream | 6bfb56e93bce | b2706118 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/08 14:22 | upstream | 9886142c7a22 | b2706118 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/08 00:58 | upstream | 9886142c7a22 | b2706118 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/08 00:58 | upstream | 9886142c7a22 | b2706118 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/08 00:58 | upstream | 9886142c7a22 | b2706118 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/07 23:18 | upstream | 9886142c7a22 | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/07 23:18 | upstream | 9886142c7a22 | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/07 02:06 | upstream | e71e60cd74df | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/06 07:00 | upstream | f2906aa86338 | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/05 17:40 | upstream | 44688ffd111a | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/05 03:04 | upstream | d0e60d46bc03 | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/05 03:04 | upstream | d0e60d46bc03 | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/04 03:24 | upstream | 032dcf09e2bf | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/04 01:55 | upstream | 1f952675835b | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/04 01:55 | upstream | 1f952675835b | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register | ||||
2022/06/04 01:55 | upstream | 1f952675835b | c8857892 | .config | console log | report | ci-upstream-kasan-gce-smack-root | upstream boot error: INFO: task hung in hwrng_register |