Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/05/13 | linux-5.15.y (ToT) | b0ece631f84a | C | [report] INFO: task hung in usbdev_open |
2023/05/12 | upstream (ToT) | 47a2ee5d4a0b | C | Didn't crash |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/05/13 | linux-5.15.y (ToT) | b0ece631f84a | C | [report] INFO: task hung in usbdev_open |
2023/05/12 | upstream (ToT) | 47a2ee5d4a0b | C | Didn't crash |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/03/07 11:43 | 0m | fix candidate | upstream | error job log (0) | |
2024/01/29 12:01 | 0m | fix candidate | upstream | error job log (0) | |
2023/12/26 03:37 | 1m | fix candidate | upstream | error job log (0) | |
2023/09/02 11:16 | 1m | fix candidate | upstream | error job log (0) | |
2023/06/12 13:20 | 0m | bisect fix | linux-5.15.y | error job log (0) |
INFO: task syz-executor100:4100 blocked for more than 143 seconds. Not tainted 5.15.105-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor100 state:D stack: 0 pid: 4100 ppid: 4086 flags:0x00000001 Call trace: __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518 context_switch kernel/sched/core.c:5026 [inline] __schedule+0xf10/0x1e38 kernel/sched/core.c:6372 schedule+0x11c/0x1c8 kernel/sched/core.c:6455 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6514 __mutex_lock_common+0xba0/0x2154 kernel/locking/mutex.c:669 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0xa4/0xf8 kernel/locking/mutex.c:743 device_lock include/linux/device.h:760 [inline] usbdev_open+0x13c/0x6ec drivers/usb/core/devio.c:1030 chrdev_open+0x3e8/0x4fc fs/char_dev.c:414 do_dentry_open+0x780/0xed8 fs/open.c:826 vfs_open+0x7c/0x90 fs/open.c:956 do_open fs/namei.c:3538 [inline] path_openat+0x1f28/0x26f0 fs/namei.c:3672 do_filp_open+0x1a8/0x3b4 fs/namei.c:3699 do_sys_openat2+0x128/0x3d8 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_openat fs/open.c:1243 [inline] __se_sys_openat fs/open.c:1238 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1238 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Showing all locks held in the system: 5 locks held by kworker/0:0/7: #0: ffff0000c27af538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2279 #1: ffff8000188a7c00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2281 #2: ffff0000ccaee220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #2: ffff0000ccaee220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c8/0x48c4 drivers/usb/core/hub.c:5676 #3: ffff0000cfa6c220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #3: ffff0000cfa6c220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x90/0x480 drivers/base/dd.c:949 #4: ffff0000cfa6e1a8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #4: ffff0000cfa6e1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x90/0x480 drivers/base/dd.c:949 1 lock held by khungtaskd/27: #0: ffff800014a91660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:268 2 locks held by getty/3733: #0: ffff0000d3ab0098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340 #1: ffff80001a2ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1200 drivers/tty/n_tty.c:2147 4 locks held by udevd/4090: #0: ffff0000c8314418 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xac/0xc44 fs/seq_file.c:182 #1: ffff0000d56e7c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x58/0x3a0 fs/kernfs/file.c:112 #2: ffff0000c170ebd0 (kn->active#65){++++}-{0:0}, at: kernfs_seq_start+0x74/0x3a0 fs/kernfs/file.c:113 #3: ffff0000cfa6c220 (&dev->mutex){....}-{3:3}, at: device_lock_interruptible include/linux/device.h:765 [inline] #3: ffff0000cfa6c220 (&dev->mutex){....}-{3:3}, at: manufacturer_show+0x30/0xac drivers/usb/core/sysfs.c:141 1 lock held by syz-executor100/4100: #0: ffff0000ccaee220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline] #0: ffff0000ccaee220 (&dev->mutex){....}-{3:3}, at: usbdev_open+0x13c/0x6ec drivers/usb/core/devio.c:1030 =============================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/04/01 11:58 | linux-5.15.y | c957cbb87315 | f325deb0 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in usbdev_open | |
2024/03/28 06:09 | linux-5.15.y | 9465fef4ae35 | 120789fd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in usbdev_open | ||
2024/03/27 00:00 | linux-5.15.y | 9465fef4ae35 | 454571b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in usbdev_open | ||
2024/03/18 04:51 | linux-5.15.y | b95c01af2113 | d615901c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in usbdev_open | ||
2024/03/18 02:19 | linux-5.15.y | b95c01af2113 | d615901c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in usbdev_open | ||
2023/08/27 02:36 | linux-5.15.y | 5ddfe5cc8716 | 7ba13a15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in usbdev_open | ||
2023/08/11 03:59 | linux-5.15.y | c275eaaaa342 | da3c3ef8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in usbdev_open | ||
2023/07/06 17:22 | linux-5.15.y | d54cfc420586 | 1a2f6297 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in usbdev_open | ||
2023/06/29 01:21 | linux-5.15.y | 4af60700a60c | ca69c785 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: task hung in usbdev_open | ||
2023/05/13 12:14 | linux-5.15.y | b0ece631f84a | 2b9ba477 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in usbdev_open | ||
2023/05/06 18:06 | linux-5.15.y | 8a7f2a5c5aa1 | 90c93c40 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in usbdev_open | ||
2023/05/01 11:48 | linux-5.15.y | 8a7f2a5c5aa1 | 62df2017 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in usbdev_open | ||
2023/04/06 12:11 | linux-5.15.y | d86dfc4d95cd | 08707520 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in usbdev_open | ||
2023/04/05 20:38 | linux-5.15.y | d86dfc4d95cd | 8b834965 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in usbdev_open | ||
2023/04/05 12:33 | linux-5.15.y | d86dfc4d95cd | 831373d3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | INFO: task hung in usbdev_open |