Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/09/14 | upstream (ToT) | 9fdfb15a3dbf | C | [report] INFO: task hung in hub_port_init |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/09/14 | upstream (ToT) | 9fdfb15a3dbf | C | [report] INFO: task hung in hub_port_init |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: task hung in hub_port_init | C | done | 15888 | 760d | 1159d | 22/25 | fixed on 2021/11/10 00:50 | |
linux-5.15 | INFO: task hung in hub_port_init origin:upstream | C | error | 38 | 3h37m | 242d | 0/3 | upstream: reported C repro on 2023/04/11 08:33 | |
upstream | INFO: task hung in hub_port_init (3) usb | C | error | 541 | 3d20h | 256d | 0/25 | upstream: reported C repro on 2023/03/28 12:23 | |
linux-4.14 | INFO: task hung in hub_port_init | C | error | 6032 | 399d | 1162d | 0/1 | upstream: reported C repro on 2020/10/03 08:19 | |
upstream | INFO: task hung in hub_port_init (2) usb | C | error | 486 | 291d | 753d | 24/25 | fixed on 2023/02/24 13:50 | |
linux-4.19 | INFO: task hung in hub_port_init | C | 4279 | 284d | 1162d | 0/1 | upstream: reported C repro on 2020/10/03 09:24 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2023/11/25 23:23 | 1h53m | bisect fix | linux-6.1.y | job log (0) log |
INFO: task kworker/0:2:935 blocked for more than 143 seconds. Not tainted 6.1.53-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:25056 pid:935 ppid:2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: <TASK> context_switch kernel/sched/core.c:5241 [inline] __schedule+0x132c/0x4330 kernel/sched/core.c:6554 schedule+0xbf/0x180 kernel/sched/core.c:6630 usb_kill_urb+0x1c5/0x300 drivers/usb/core/urb.c:728 usb_start_wait_urb+0x1ac/0x510 drivers/usb/core/message.c:64 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x2ad/0x4c0 drivers/usb/core/message.c:153 get_bMaxPacketSize0 drivers/usb/core/hub.c:4697 [inline] hub_port_init+0x1190/0x27e0 drivers/usb/core/hub.c:4965 hub_port_connect drivers/usb/core/hub.c:5344 [inline] hub_port_connect_change drivers/usb/core/hub.c:5555 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x2b31/0x5710 drivers/usb/core/hub.c:5793 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2292 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2439 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8d12a1b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:516 1 lock held by rcu_tasks_trace/13: #0: ffffffff8d12a9b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:516 1 lock held by khungtaskd/28: #0: ffffffff8d129fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 5 locks held by kworker/0:2/935: #0: ffff88801827a538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x77a/0x11f0 #1: ffffc900049c7d20 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7bd/0x11f0 kernel/workqueue.c:2267 #2: ffff888145709190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:836 [inline] #2: ffff888145709190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1fe/0x5710 drivers/usb/core/hub.c:5739 #3: ffff88814570c4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3110 [inline] #3: ffff88814570c4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5311 [inline] #3: ffff88814570c4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5555 [inline] #3: ffff88814570c4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5711 [inline] #3: ffff88814570c4f8 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x2471/0x5710 drivers/usb/core/hub.c:5793 #4: ffff88814536d168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5312 [inline] #4: ffff88814536d168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5555 [inline] #4: ffff88814536d168 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5711 [inline] #4: ffff88814536d168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x249e/0x5710 drivers/usb/core/hub.c:5793 2 locks held by getty/3310: #0: ffff888028c37098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244 #1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2188 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.53-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xf18/0xf60 kernel/hung_task.c:377 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 98 Comm: kworker/u4:4 Not tainted 6.1.53-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:insn_get_immediate+0x5c/0x1390 arch/x86/lib/insn.c:631 Code: c0 0f 85 05 0d 00 00 41 0f b6 5d 00 31 ed 31 ff 89 de e8 37 53 06 f7 85 db 74 0a e8 ce 50 06 f7 e9 76 0c 00 00 49 8d 6c 24 34 <48> 89 e8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 34 0d 00 00 0f b6 RSP: 0018:ffffc900015c7880 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888013f75940 RDX: ffff888013f75940 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900015c79b4 R08: ffffffff8a83c359 R09: ffffc900015c7980 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900015c7980 R13: ffffc900015c79bc R14: 1ffff920002b8f37 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563c9e8b0768 CR3: 000000000ce8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <TASK> insn_get_length arch/x86/lib/insn.c:707 [inline] insn_decode+0x36c/0x500 arch/x86/lib/insn.c:747 text_poke_loc_init+0xd2/0x680 arch/x86/kernel/alternative.c:1620 arch_jump_label_transform_queue+0x71/0xd0 arch/x86/kernel/jump_label.c:138 __jump_label_update+0x177/0x3a0 kernel/jump_label.c:447 static_key_disable_cpuslocked+0xca/0x1b0 kernel/jump_label.c:207 static_key_disable+0x16/0x20 kernel/jump_label.c:215 toggle_allocation_gate+0x3e0/0x480 mm/kfence/core.c:818 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2292 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2439 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.319 msecs
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/09/14 12:37 | linux-6.1.y | 09045dae0d90 | 0b6a67ac | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | |
2023/06/11 02:26 | linux-6.1.y | 2f3918bc53fb | 49519f06 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | |
2023/08/16 14:24 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | |
2023/08/15 23:45 | linux-6.1.y | 1321ab403b38 | 39990d51 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | |
2023/11/27 12:14 | linux-6.1.y | 69e434a1cb21 | 5b429f39 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/11/26 09:43 | linux-6.1.y | 69e434a1cb21 | 5b429f39 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/09/19 20:59 | linux-6.1.y | a356197db198 | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/12/09 09:58 | linux-6.1.y | 6c6a6c7e211c | 28b24332 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/10/23 22:28 | linux-6.1.y | 7d24402875c7 | 989a3687 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/09/25 19:45 | linux-6.1.y | d23900f974e0 | 0b6a67ac | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/06/23 04:02 | linux-6.1.y | e84a4e368abe | 79782afc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/06/17 08:03 | linux-6.1.y | ca87e77a2ef8 | f3921d4d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/06/05 18:48 | linux-6.1.y | 76ba310227d2 | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/06/02 08:03 | linux-6.1.y | d2869ace6eeb | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/06/01 11:24 | linux-6.1.y | d2869ace6eeb | babc4389 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/05/31 03:04 | linux-6.1.y | d2869ace6eeb | df37c7f1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/05/26 19:31 | linux-6.1.y | a343b0dd87b4 | cf184559 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/05/26 18:53 | linux-6.1.y | a343b0dd87b4 | cf184559 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/05/26 16:42 | linux-6.1.y | a343b0dd87b4 | b40ef614 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/05/26 08:11 | linux-6.1.y | a343b0dd87b4 | b40ef614 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/05/25 16:38 | linux-6.1.y | a343b0dd87b4 | 0513b3e6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/05/21 00:45 | linux-6.1.y | fa74641fb6b9 | 4bce1a3e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/04/16 09:30 | linux-6.1.y | 0102425ac76b | ec410564 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/04/14 06:04 | linux-6.1.y | 0102425ac76b | 3cfcaa1b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/03/27 17:51 | linux-6.1.y | e3a87a10f259 | f8f96aa9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: task hung in hub_port_init | ||
2023/07/16 00:22 | linux-6.1.y | 61fd484b2cf6 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/07/02 01:27 | linux-6.1.y | 0f4ac6b4c5f0 | bfc47836 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/06/30 23:45 | linux-6.1.y | a1c449d00ff8 | af3053d2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/06/25 05:42 | linux-6.1.y | e84a4e368abe | 79782afc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/06/23 18:08 | linux-6.1.y | e84a4e368abe | 79782afc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/06/23 01:39 | linux-6.1.y | e84a4e368abe | 79782afc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/06/11 21:49 | linux-6.1.y | 2f3918bc53fb | 49519f06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/05/18 21:11 | linux-6.1.y | fa74641fb6b9 | 3bb7af1d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/04/23 16:21 | linux-6.1.y | f17b0ab65d17 | 2b32bd34 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/04/16 22:25 | linux-6.1.y | 0102425ac76b | ec410564 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/04/05 11:21 | linux-6.1.y | 3b29299e5f60 | 831373d3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init | ||
2023/03/11 21:39 | linux-6.1.y | 11585e2f8b9d | 5205ef30 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: task hung in hub_port_init |